San Carlos, 09

SCUA Lower Peridot Bush Water System

Current status

3 open health-based violations on record as of July 4, 2026, alongside 5 other open item(s). See the violation history below for contaminant and status details.

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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID): 090400111
System type: Community Water System
Population served: 342
Service connections: 58
Ownership: Native American tribal
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
July 31, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
July 31, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
July 31, 2025
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
July 31, 2025
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
July 31, 2025
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
July 31, 2025
Unaddressed
Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
November 16, 2024
Unaddressed
Failure To Address Deficiency
Health-based
Groundwater Rule
June 30, 2023 – April 15, 2024
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
June 30, 2023 – April 15, 2024
Resolved
Failure To Address Deficiency
Health-based
Groundwater Rule
June 30, 2023 – April 15, 2024
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
February 1, 2023 – May 24, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2023
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2022 – December 31, 2022
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
August 1, 2022 – October 7, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2022 – December 13, 2022
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
March 1, 2019 – June 6, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
February 1, 2019 – June 6, 2019
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2019 – December 31, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
January 1, 2019 – June 6, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
December 1, 2018 – April 20, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
November 1, 2018 – April 20, 2019
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
October 1, 2018 – April 20, 2019
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 1, 2018 – April 11, 2019
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2016 – March 31, 2016
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2015 – December 31, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2015 – November 30, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2015 – August 1, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – July 30, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2015 – July 30, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2015 – July 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2015 – June 30, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2015 – May 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2015 – April 30, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2015 – January 31, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2014 – November 30, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2014 – October 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2014 – September 30, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2014 – August 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2014 – July 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2014 – June 30, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2014 – May 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2014 – April 30, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2014 – March 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2014 – February 28, 2014
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2014 – July 10, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2014 – September 19, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2014 – January 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2013 – December 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2013 – November 30, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2013 – October 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2013 – September 30, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2013 – August 31, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2013 – September 19, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2013 – July 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2012 – December 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2012 – November 30, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2012 – October 31, 2012
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 31, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 31, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
July 31, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
July 31, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 31, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
July 31, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
November 16, 2024	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
June 30, 2023 – April 15, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
June 30, 2023 – April 15, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
June 30, 2023 – April 15, 2024	Failure To Address Deficiency	Groundwater Rule	Health-based	Resolved
February 1, 2023 – May 24, 2011	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2023	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
December 1, 2022 – December 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2022 – October 7, 2022	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2022 – December 13, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
March 1, 2019 – June 6, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
February 1, 2019 – June 6, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2019 – June 6, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
December 1, 2018 – April 20, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2018 – April 20, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2018 – April 20, 2019	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
September 1, 2018 – April 11, 2019	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 2015 – November 30, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2015 – October 31, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2015 – August 1, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2015 – July 30, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2015 – July 30, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2015 – July 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2015 – June 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2015 – May 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2015 – April 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2015 – March 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2015 – January 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2014 – October 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2014 – September 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2014 – August 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2014 – July 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2014 – June 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2014 – May 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2014 – April 30, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2014 – March 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2014 – February 28, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2014 – July 10, 2014	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2014 – September 19, 2015	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2014 – January 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2013 – November 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2013 – September 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2013 – August 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – September 19, 2015	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – July 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2012 – December 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2012 – November 30, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2012 – October 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

December 2, 2025Federal Violation/Reminder Notice1 linked violation
April 3, 2025Federal Violation/Reminder Notice1 linked violation
April 1, 2025Federal Violation/Reminder Notice1 linked violation
April 15, 2024Federal Compliance achieved3 linked violations
February 28, 2023Federal Compliance achieved1 linked violation
December 13, 2022Federal Compliance achieved1 linked violation
October 7, 2022Federal Compliance achieved1 linked violation
April 10, 2020Federal Compliance achieved1 linked violation
June 6, 2019Federal Compliance achieved1 linked violation
June 6, 2019Federal Compliance achieved1 linked violation
June 6, 2019Federal Compliance achieved1 linked violation
April 20, 2019Federal Compliance achieved1 linked violation
April 20, 2019Federal Compliance achieved1 linked violation
April 20, 2019Federal Compliance achieved1 linked violation
April 11, 2019Federal Compliance achieved1 linked violation
April 11, 2019Federal Compliance achieved1 linked violation
July 30, 2016Federal Compliance achieved1 linked violation
July 30, 2016Federal Compliance achieved1 linked violation
May 11, 2016Federal Compliance achieved1 linked violation
February 11, 2016Federal Compliance achieved1 linked violation
February 11, 2016Federal Compliance achieved1 linked violation
February 11, 2016Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
September 19, 2015Federal Compliance achieved1 linked violation
August 1, 2015Federal Compliance achieved1 linked violation
August 1, 2015Federal Compliance achieved1 linked violation
July 10, 2014Federal Compliance achieved1 linked violation
March 18, 2013Federal Compliance achieved1 linked violation
March 18, 2013Federal Compliance achieved1 linked violation
March 18, 2013Federal Compliance achieved1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
November 4, 2011Federal Final Administrative Order issued1 linked violation
May 24, 2011Federal Compliance achieved1 linked violation

Contact

San Carlos Apache Tribe

9284752631

San Carlos, AZ 85550