HUGO, OK · Choctaw County

HUGO MUNICIPAL AUTHORITY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

System facts

System ID (PWSID): OK1010314
System type: Community Water System
Population served: 5,536
Service connections: 2,507
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2025 – June 30, 2025
Archived
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2025 – June 30, 2025
Archived
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2025 – March 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2025 – March 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2025 – March 31, 2025
Archived
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
Resolved
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2024 – December 31, 2024
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 2024 – August 31, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2022 – September 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2020 – June 30, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2019 – December 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2018 – March 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2016 – December 31, 2016
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2016 – September 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2016 – September 30, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – September 28, 2017
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2016 – June 30, 2016
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2015 – November 30, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2015 – November 30, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Archived
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
September 29, 2015 – December 3, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2015 – August 31, 2015
Archived
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2015 – August 31, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2015 – July 31, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2015 – July 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2015 – September 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorine dioxide
June 1, 2015 – June 30, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
June 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Chlorite
June 1, 2015 – June 30, 2015
Resolved
Acute Maximum Residual Disinfectant Level
Health-based
Chlorine dioxide
June 1, 2015 – June 30, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
June 1, 2015 – June 30, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2015 – May 31, 2015
Resolved
Acute Maximum Residual Disinfectant Level
Health-based
Chlorine dioxide
May 1, 2015 – May 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2015 – May 31, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2015 – May 26, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
April 1, 2015 – December 3, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2015 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2015 – March 31, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
March 1, 2015 – March 31, 2015
Resolved
Failure Submit Filter Profile/CPE Report
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2015 – March 31, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
February 1, 2015 – February 28, 2015
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2015 – July 14, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
February 1, 2015 – February 28, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2015 – February 28, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2015 – February 28, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2015 – January 31, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2015 – March 31, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2015 – January 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2015 – January 31, 2015
Resolved
Failure Submit Filter Profile/CPE Report
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2015 – January 31, 2015
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2015 – July 14, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2014 – July 14, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2014 – December 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2014 – November 30, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2014 – November 30, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2014 – July 14, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2014 – October 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2014 – October 31, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2014 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2014 – September 30, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2014 – August 31, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2014 – July 14, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2014 – July 31, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2014 – July 14, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2014 – July 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2014 – July 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2014 – June 30, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2014 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2014 – June 30, 2014
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2014 – May 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2014 – April 30, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2014 – July 14, 2015
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2014 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2014 – March 31, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2014 – March 31, 2014
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2014 – February 28, 2014
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2014 – February 28, 2014
Resolved
Treatment Tech. No Prior State Approval
Health-based
Long Term 2 Enhanced Surface Water Treatment Rule
January 1, 2014 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2014 – January 31, 2014
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2014 – July 14, 2015
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2013 – December 31, 2013
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2013 – December 31, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2013 – December 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2013 – December 31, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2013 – November 30, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2013 – November 30, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2013 – October 31, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
September 1, 2013 – September 30, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2013 – August 31, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2013 – July 31, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
July 1, 2013 – July 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2013 – September 30, 2013
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2013 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2013 – June 30, 2013
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2013 – June 30, 2013
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2013 – May 31, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2013 – May 31, 2013
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2013 – July 14, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2013 – May 31, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2013 – April 30, 2013
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2013 – March 31, 2013
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2013 – July 14, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2013 – March 31, 2013
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2013 – July 14, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2013 – January 31, 2013
Resolved
Record Keeping
—
Interim Enhanced Surface Water Treatment Rule
January 1, 2013 – July 14, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2012 – September 30, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – March 5, 2015
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2012 – April 30, 2012
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2012 – April 30, 2012
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
March 1, 2012 – March 31, 2012
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2011 – December 31, 2011
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2011 – June 30, 2011
Resolved
Monitoring and Reporting (DBP)
—
Chlorite
September 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2010 – July 7, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2010 – March 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Chlorite
July 1, 2009 – July 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorite
July 1, 2009 – July 31, 2009
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
July 1, 2009 – September 30, 2009
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2008 – September 30, 2008
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2008 – April 30, 2008
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
April 1, 2008 – April 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2007 – July 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2007 – September 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2007 – September 30, 2007
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2007 – July 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2007 – June 30, 2007
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
February 1, 2007 – February 28, 2007
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
February 1, 2007 – February 28, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2007 – March 31, 2007
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2007 – January 31, 2007
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2006 – December 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2006 – October 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2006 – December 31, 2006
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
September 1, 2006 – September 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2006 – June 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2006 – April 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2005 – December 31, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2005 – May 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
April 1, 2005 – June 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2005 – June 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
March 1, 2005 – March 31, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2005 – February 28, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
October 1, 2004 – December 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Archived
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
January 1, 2004 – March 31, 2004
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1999 – August 31, 1999
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1998 – December 31, 1998
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1998 – October 31, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – September 30, 2025	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Archived
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2025 – June 30, 2025	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Archived
January 1, 2025 – March 31, 2025	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 17, 2024 – July 15, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
October 17, 2024 – July 15, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
October 1, 2024 – December 31, 2024	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Archived
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
August 1, 2024 – August 31, 2024	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2017 – March 31, 2017	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2016 – September 30, 2016	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2016 – September 28, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2016 – June 30, 2016	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
November 1, 2015 – November 30, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2015 – November 30, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2015 – October 31, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
September 29, 2015 – December 3, 2015	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
August 1, 2015 – August 31, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
August 1, 2015 – August 31, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Archived
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2015 – July 31, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2015 – July 31, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
June 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Chlorine dioxide	—	Resolved
June 1, 2015 – June 30, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
June 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Chlorite	—	Resolved
June 1, 2015 – June 30, 2015	Acute Maximum Residual Disinfectant Level	Chlorine dioxide	Health-based	Resolved
June 1, 2015 – June 30, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2015 – May 31, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2015 – May 31, 2015	Acute Maximum Residual Disinfectant Level	Chlorine dioxide	Health-based	Resolved
May 1, 2015 – May 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2015 – May 26, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2015 – April 30, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2015 – December 3, 2015	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
April 1, 2015 – April 30, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2015 – April 30, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
March 1, 2015 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2015 – March 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2015 – March 31, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
March 1, 2015 – March 31, 2015	Failure Submit Filter Profile/CPE Report	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2015 – February 28, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
February 1, 2015 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2015 – February 28, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
February 1, 2015 – February 28, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2015 – February 28, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2015 – January 31, 2015	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2015 – January 31, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2015 – January 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2015 – January 31, 2015	Failure Submit Filter Profile/CPE Report	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2015 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2014 – December 31, 2014	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2014 – December 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2014 – December 31, 2014	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2014 – December 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2014 – October 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2014 – October 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2014 – September 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2014 – July 31, 2014	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2014 – July 31, 2014	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2014 – July 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2014 – May 31, 2014	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2014 – May 31, 2014	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2014 – May 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2014 – May 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2014 – April 30, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2014 – March 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2014 – March 31, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2014 – July 14, 2015	Treatment Tech. No Prior State Approval	Long Term 2 Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2014 – January 31, 2014	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2014 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2013 – December 31, 2013	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2013 – December 31, 2013	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2013 – December 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2013 – November 30, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2013 – November 30, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2013 – September 30, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2013 – August 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 1, 2013 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2013 – June 30, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
June 1, 2013 – June 30, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2013 – May 31, 2013	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2013 – May 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2013 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2013 – May 31, 2013	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2013 – April 30, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2013 – March 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2013 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2013 – March 31, 2013	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2013 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2013 – January 31, 2013	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2013 – July 14, 2015	Record Keeping	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2012 – March 5, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2012 – April 30, 2012	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2012 – April 30, 2012	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
March 1, 2012 – March 31, 2012	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2011 – December 31, 2011	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2011 – December 31, 2011	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
September 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorite	—	Resolved
July 1, 2010 – July 7, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2009 – July 31, 2009	Maximum Contaminant Level Violation, Average	Chlorite	Health-based	Resolved
July 1, 2009 – July 31, 2009	Monitoring and Reporting (DBP)	Chlorite	—	Resolved
July 1, 2009 – September 30, 2009	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
April 1, 2009 – June 30, 2009	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2008 – April 30, 2008	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2008 – April 30, 2008	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – July 31, 2007	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2007 – July 31, 2007	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
February 1, 2007 – February 28, 2007	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
February 1, 2007 – February 28, 2007	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2007 – January 31, 2007	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2006 – December 31, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
October 1, 2006 – October 31, 2006	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
September 1, 2006 – September 30, 2006	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2006 – April 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2005 – December 31, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2005 – May 31, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2005 – June 30, 2005	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
March 1, 2005 – March 31, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
February 1, 2005 – February 28, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Archived
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
August 1, 1999 – August 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
December 1, 1998 – December 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 1998 – October 31, 1998	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1992 – July 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

November 25, 2025State Public Notification requested4 linked violations
November 25, 2025State Violation/Reminder Notice4 linked violations
September 19, 2025State Public Notification received3 linked violations
September 19, 2025State Public Notification received3 linked violations
September 19, 2025State Public Notification received3 linked violations
August 26, 2025State Compliance achieved1 linked violation
August 26, 2025State Compliance achieved1 linked violation
August 26, 2025State Compliance achieved1 linked violation
August 20, 2025State Public Notification requested3 linked violations
August 20, 2025State Violation/Reminder Notice3 linked violations
July 15, 2025State Compliance achieved1 linked violation
July 15, 2025State Compliance achieved1 linked violation
July 11, 2025State Violation/Reminder Notice1 linked violation
July 11, 2025State Violation/Reminder Notice1 linked violation
June 18, 2025State no longer subject to Rule1 linked violation
May 23, 2025State Public Notification requested4 linked violations
May 23, 2025State Violation/Reminder Notice3 linked violations
February 26, 2025State Public Notification requested3 linked violations
February 26, 2025State Violation/Reminder Notice3 linked violations
December 2, 2024State Public Notification received5 linked violations
November 13, 2024State Public Notification requested1 linked violation
November 13, 2024State Administrative/Compliance Order without penalty issued1 linked violation
November 12, 2024State Public Notification requested3 linked violations
November 12, 2024State Violation/Reminder Notice3 linked violations
September 30, 2024State Public Notification received3 linked violations
September 17, 2024State Administrative/Compliance Order without penalty issued1 linked violation
September 17, 2024State Public Notification requested1 linked violation
August 30, 2024State Public Notification requested2 linked violations
August 30, 2024State Violation/Reminder Notice2 linked violations
April 30, 2024State Violation/Reminder Notice2 linked violations
April 30, 2024State Public Notification requested2 linked violations
March 27, 2024State Public Notification received6 linked violations
March 5, 2024State Violation/Reminder Notice5 linked violations
March 5, 2024State Public Notification requested5 linked violations
November 28, 2023State Public Notification received4 linked violations
November 15, 2023State Violation/Reminder Notice5 linked violations
September 27, 2023State Public Notification received4 linked violations
August 29, 2023State Public Notification requested4 linked violations
August 29, 2023State Violation/Reminder Notice4 linked violations
July 14, 2023State Administrative/Compliance Order with penalty issued41 linked violations
July 3, 2023State Public Notification received4 linked violations
May 30, 2023State Administrative/Compliance Order without penalty issued6 linked violations
May 8, 2023State Public Notification received3 linked violations
April 12, 2023State Administrative/Compliance Order without penalty issued3 linked violations
March 2, 2023State Public Notification received4 linked violations
January 3, 2023State Public Notification requested2 linked violations
January 3, 2023State Administrative/Compliance Order without penalty issued1 linked violation
November 15, 2022State Administrative/Compliance Order without penalty issued4 linked violations
November 15, 2022State Public Notification requested3 linked violations
September 29, 2020State Public Notification received2 linked violations
August 27, 2020State Violation/Reminder Notice2 linked violations
February 3, 2020State Public Notification requested2 linked violations
December 18, 2019State Public Notification received3 linked violations
November 5, 2019State Public Notification requested3 linked violations
November 5, 2019State Violation/Reminder Notice2 linked violations
February 26, 2019State Public Notification received2 linked violations
January 31, 2019State Violation/Reminder Notice2 linked violations
May 1, 2018State Public Notification requested3 linked violations
May 1, 2018State Violation/Reminder Notice2 linked violations
January 19, 2018State Public Notification received2 linked violations
January 19, 2018State Public Notification received3 linked violations
January 19, 2018State Public Notification received1 linked violation
November 27, 2017State Public Notification received1 linked violation
October 30, 2017State Public Notification requested1 linked violation
October 30, 2017State Violation/Reminder Notice2 linked violations
September 28, 2017State Compliance achieved3 linked violations
August 30, 2017State Public Notification received2 linked violations
August 4, 2017State Violation/Reminder Notice1 linked violation
August 4, 2017State Public Notification requested2 linked violations
June 2, 2017State Administrative/Compliance Order with penalty issued22 linked violations
May 16, 2017State Compliance achieved1 linked violation
May 1, 2017State Public Notification requested2 linked violations
May 1, 2017State Violation/Reminder Notice3 linked violations
April 20, 2017State Public Notification requested1 linked violation
April 20, 2017State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
April 20, 2017State Violation/Reminder Notice1 linked violation
March 7, 2017State Compliance achieved2 linked violations
March 2, 2017State Public Notification received1 linked violation
February 1, 2017State Public Notification requested1 linked violation
February 1, 2017State Violation/Reminder Notice1 linked violation
January 3, 2017State Violation/Reminder Notice1 linked violation
December 30, 2016State Public Notification received6 linked violations
November 29, 2016State Public Notification requested6 linked violations
November 29, 2016State Violation/Reminder Notice6 linked violations
July 7, 2016State Compliance achieved1 linked violation
July 7, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 7, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 7, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 7, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 7, 2016State Compliance achieved1 linked violation
July 7, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 7, 2016State Compliance achieved2 linked violations
July 7, 2016State Compliance achieved1 linked violation
July 7, 2016State Compliance achieved1 linked violation
July 7, 2016State Compliance achieved2 linked violations
July 7, 2016State Compliance achieved1 linked violation
July 7, 2016State Compliance achieved1 linked violation
July 7, 2016State Compliance achieved1 linked violation
December 31, 2015State Administrative/Compliance Order with penalty issued3 linked violations
December 3, 2015State Compliance achieved2 linked violations
December 3, 2015State Compliance achieved2 linked violations
November 13, 2015State Violation/Reminder Notice1 linked violation
October 22, 2015State Public Notification received14 linked violations
October 22, 2015State Public Notification received1 linked violation
September 18, 2015State Public Notification requested15 linked violations
September 16, 2015State Public Notification requested5 linked violations
July 14, 2015State Public Notification received3 linked violations
July 14, 2015State Compliance achieved12 linked violations
July 14, 2015State Compliance achieved70 linked violations
June 9, 2015State Administrative/Compliance Order with penalty issued88 linked violations
June 9, 2015State Administrative/Compliance Order with penalty issued3 linked violations
June 2, 2015State Violation/Reminder Notice1 linked violation
May 21, 2015State Public Notification received2 linked violations
February 13, 2015State Public Notification requested2 linked violations
May 1, 2014State Public Notification received3 linked violations
August 13, 2013State Compliance achieved4 linked violations
July 25, 2013State Administrative/Compliance Order with penalty issued8 linked violations
November 29, 2012State Public Notification requested1 linked violation
November 29, 2012State Administrative/Compliance Order with penalty issued1 linked violation
September 7, 2012State Compliance achieved5 linked violations
August 8, 2012State Public Notification received5 linked violations
June 25, 2012State Administrative/Compliance Order with penalty issued2 linked violations
June 25, 2012State Public Notification requested2 linked violations
October 24, 2011State Compliance achieved1 linked violation
September 26, 2011State Public Notification received1 linked violation
August 1, 2011State Administrative/Compliance Order with penalty issued1 linked violation
August 1, 2011State Public Notification requested1 linked violation
December 21, 2010State Public Notification received1 linked violation
December 3, 2010State Public Notification received1 linked violation
October 15, 2010State Violation/Reminder Notice1 linked violation
October 15, 2010State Public Notification requested3 linked violations
July 7, 2010State Compliance achieved29 linked violations
June 25, 2010State Compliance achieved2 linked violations
June 18, 2010State Public Notification received2 linked violations
May 5, 2010State Administrative/Compliance Order with penalty issued3 linked violations
May 5, 2010State Public Notification requested2 linked violations
April 9, 2010State Public Notification requested1 linked violation
April 9, 2010State Violation/Reminder Notice1 linked violation
April 8, 2010State Public Notification received2 linked violations
January 20, 2010State Violation/Reminder Notice1 linked violation
January 20, 2010State Public Notification requested1 linked violation
October 22, 2009State Violation/Reminder Notice2 linked violations
October 22, 2009State Public Notification requested1 linked violation
October 9, 2009State Public Notification received1 linked violation
July 22, 2009State Public Notification requested1 linked violation
July 22, 2009State Violation/Reminder Notice3 linked violations
June 30, 2009State Violation/Reminder Notice2 linked violations
November 11, 2008State Public Notification received2 linked violations
November 3, 2008State Public Notification requested2 linked violations
September 16, 2008State Public Notification received3 linked violations
July 28, 2008State Public Notification requested3 linked violations
July 28, 2008State Administrative/Compliance Order with penalty issued3 linked violations
July 1, 2008State Public Notification received3 linked violations
July 1, 2008State Public Notification received3 linked violations
July 1, 2008State Public Notification received4 linked violations
May 29, 2008State Public Notification requested2 linked violations
May 29, 2008State Violation/Reminder Notice4 linked violations
March 24, 2008State Administrative/Compliance Order with penalty issued4 linked violations
October 15, 2007State Public Notification received3 linked violations
September 26, 2007State Violation/Reminder Notice2 linked violations
September 26, 2007State Public Notification requested2 linked violations
September 19, 2007State Administrative/Compliance Order with penalty issued2 linked violations
September 19, 2007State Public Notification requested3 linked violations
September 1, 2007State Compliance achieved2 linked violations
July 11, 2007State Public Notification received2 linked violations
June 1, 2007State Compliance achieved4 linked violations
May 31, 2007State Administrative/Compliance Order with penalty issued1 linked violation
May 31, 2007State Public Notification requested1 linked violation
May 31, 2007State Public Notification requested22 linked violations
April 16, 2007State Public Notification requested6 linked violations
March 5, 2007State Public Notification received2 linked violations
February 20, 2007State Public Notification requested3 linked violations
September 22, 2006State Public Notification requested5 linked violations
September 13, 2006State Compliance achieved5 linked violations
September 1, 2006State Compliance achieved1 linked violation
August 11, 2006State Public Notification requested8 linked violations
April 13, 2006State Public Notification requested3 linked violations
January 26, 2006State Administrative/Compliance Order with penalty issued6 linked violations
August 3, 2005State Administrative/Compliance Order with penalty issued10 linked violations
July 3, 2002State Compliance achieved14 linked violations
September 30, 2000State Administrative/Compliance Order with penalty issued1 linked violation
February 5, 2000State Administrative/Compliance Order with penalty issued2 linked violations
September 23, 1999State Formal Notice of Violation issued1 linked violation
November 16, 1998State Administrative/Compliance Order without penalty issued10 linked violations
October 24, 1994State Administrative/Compliance Order without penalty issued5 linked violations

Contact

HUGO MUNICIPAL AUTHORITY

580-326-2722

HUGO, OK 74743