CHILOQUIN, OR · Klamath County

CHILOQUIN MUNICIPAL WATER DEPT Water System

Current status

6 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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

System facts

System ID (PWSID): OR4100184
System type: Community Water System
Population served: 730
Service connections: 330
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2025
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024
Unaddressed
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2023
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023
Unaddressed
Monitoring, Regular
—
Nitrate
January 1, 2023 – December 31, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2021 – July 26, 2022
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2017 – December 31, 2025
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2025
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2017 – December 31, 2025
Archived
Monitoring, Regular
—
Asbestos
January 1, 2017 – December 31, 2025
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 2015 – February 28, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2015 – January 31, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2014 – December 31, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2014 – November 30, 2014
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2014 – October 31, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2013 – February 28, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2010 – November 30, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2007 – June 30, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 19, 2004 – November 8, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2004 – September 30, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2004 – August 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2003 – October 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2003 – August 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2002 – January 31, 2002
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2000 – November 8, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2000 – December 31, 2000
Resolved
Monitoring, Regular
—
Nickel
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1976 – May 31, 1980
Archived
Monitoring, Regular
—
Combined Radium (-226 and -228)
June 1, 1976 – May 31, 1980
Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
October 1, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
October 1, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
January 1, 2023 – December 31, 2023	Monitoring, Regular	Nitrate	—	Resolved
October 1, 2021 – July 26, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2017 – December 31, 2025	Monitoring, Regular	Combined Uranium	—	Archived
January 1, 2017 – December 31, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived
January 1, 2017 – December 31, 2025	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 2017 – December 31, 2025	Monitoring, Regular	Asbestos	—	Archived
February 1, 2015 – February 28, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2015 – January 31, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2014 – December 31, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 2014 – November 30, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2014 – October 31, 2014	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
February 1, 2013 – February 28, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2010 – November 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2007 – June 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 19, 2004 – November 8, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
September 1, 2004 – September 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2004 – August 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2003 – December 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2003 – October 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2003 – August 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – July 31, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – January 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2000 – November 8, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2000 – December 31, 2000	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Nickel	—	Resolved
June 1, 1976 – May 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
June 1, 1976 – May 31, 1980	Monitoring, Regular	Combined Radium (-226 and -228)	—	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

April 16, 2024State Compliance achieved1 linked violation
July 26, 2022State Compliance achieved1 linked violation
March 17, 2015State Compliance achieved1 linked violation
March 17, 2015State Compliance achieved1 linked violation
March 17, 2015State Compliance achieved1 linked violation
March 17, 2015State Compliance achieved1 linked violation
March 17, 2015State Compliance achieved1 linked violation
May 3, 2013State Compliance achieved1 linked violation
April 10, 2013State Compliance achieved1 linked violation
March 23, 2013State Public Notification received1 linked violation
March 21, 2013State Compliance achieved1 linked violation
December 10, 2010State Compliance achieved2 linked violations
November 8, 2006State Compliance achieved22 linked violations
November 8, 2006State Compliance achieved11 linked violations
October 11, 2005State Compliance achieved3 linked violations
October 25, 2004State Compliance achieved3 linked violations
September 1, 1996State Public Notification requested1 linked violation
March 23, 1995State Compliance achieved1 linked violation
November 4, 1994State Formal Notice of Violation issued1 linked violation
January 1, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Contact

CHILOQUIN MUNICIPAL WATER DEPT

541-783-2717

CHILOQUIN, OR 97624