OPHIR, CO · San Miguel County

OPHIR TOWN OF 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 Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID): CO0157600
System type: Community Water System
Population served: 193
Service connections: 76
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
July 1, 2025 – September 2, 2025
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2025 – June 30, 2025
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2025 – May 31, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2025 – December 31, 2025
Archived
Public Notification Violation without NPDWR Violation
—
Public Notice
November 3, 2024 – November 6, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2024 – November 30, 2024
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 2024 – April 30, 2024
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2024 – January 31, 2024
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2023 – November 30, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2023 – October 31, 2023
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2023 – September 30, 2023
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
May 1, 2023 – May 31, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – July 23, 2021
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2020 – October 1, 2021
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2020 – April 30, 2020
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2019 – December 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2019 – December 31, 2019
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2018 – October 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2018 – December 24, 2018
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2017 – August 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
July 1, 2017 – July 31, 2017
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2017 – March 31, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Diquat
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Simazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
LASSO
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Chromium
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Mercury
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Endothall
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1999 – December 31, 1999
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1999 – October 31, 1999
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1998 – August 31, 1998
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Endrin
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Endothall
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Diquat
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Dalapon
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Simazine
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4-D
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
LASSO
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Styrene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1998
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
June 1, 1991 – June 30, 1991
Archived

Resolved 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
July 1, 2025 – September 2, 2025	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2025 – June 30, 2025	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2025 – May 31, 2025	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2025 – December 31, 2025	Monitoring and Reporting (DBP)	TTHM	—	Archived
November 3, 2024 – November 6, 2024	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
November 1, 2024 – November 30, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
April 1, 2024 – April 30, 2024	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2024 – January 31, 2024	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2024 – January 31, 2024	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2023 – November 30, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 2023 – October 31, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
September 1, 2023 – September 30, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
May 1, 2023 – May 31, 2023	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
July 1, 2021 – July 23, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2020 – October 1, 2021	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2020 – April 30, 2020	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2018 – October 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2018 – December 24, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
September 1, 2017 – August 31, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
March 1, 2017 – March 31, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2011 – December 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Diquat	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Simazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	LASSO	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Chromium	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Mercury	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Endothall	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
December 1, 1999 – December 31, 1999	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 1999 – October 31, 1999	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1998 – August 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Benzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Endrin	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Endothall	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Diquat	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Dalapon	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Simazine	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4-D	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	LASSO	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Styrene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1996 – December 31, 1998	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved
June 1, 1991 – June 30, 1991	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

November 7, 2025State Public Notification requested2 linked violations
November 7, 2025State Violation/Reminder Notice2 linked violations
September 15, 2025State Public Notification requested1 linked violation
September 15, 2025State Violation/Reminder Notice1 linked violation
September 2, 2025State Compliance achieved3 linked violations
September 2, 2025State Compliance achieved2 linked violations
August 22, 2025State Public Notification requested1 linked violation
August 22, 2025State Public Notification requested1 linked violation
August 22, 2025State Violation/Reminder Notice1 linked violation
August 22, 2025State Public Notification requested1 linked violation
August 22, 2025State Violation/Reminder Notice1 linked violation
August 22, 2025State Violation/Reminder Notice1 linked violation
August 8, 2025State Public Notification requested1 linked violation
August 8, 2025State Public Notification requested1 linked violation
August 8, 2025State Violation/Reminder Notice1 linked violation
August 8, 2025State Violation/Reminder Notice1 linked violation
July 11, 2025State Public Notification requested3 linked violations
July 11, 2025State Violation/Reminder Notice3 linked violations
June 13, 2025State Compliance achieved3 linked violations
December 30, 2024State Compliance achieved3 linked violations
December 26, 2024State Public Notification requested1 linked violation
December 26, 2024State Violation/Reminder Notice1 linked violation
December 26, 2024State Violation/Reminder Notice1 linked violation
December 26, 2024State Public Notification requested1 linked violation
December 26, 2024State Violation/Reminder Notice1 linked violation
December 26, 2024State Public Notification requested1 linked violation
December 26, 2024State Violation/Reminder Notice1 linked violation
November 6, 2024State Compliance achieved1 linked violation
October 28, 2024State Compliance achieved2 linked violations
September 8, 2024State Public Notification received1 linked violation
August 26, 2024State Public Notification received5 linked violations
August 26, 2024State Compliance achieved1 linked violation
August 26, 2024State Public Notification received1 linked violation
August 26, 2024State Public Notification received1 linked violation
August 26, 2024State Public Notification received1 linked violation
August 26, 2024State Public Notification received3 linked violations
August 26, 2024State Public Notification received2 linked violations
August 26, 2024State Public Notification received1 linked violation
August 22, 2024State Public Notification requested1 linked violation
August 22, 2024State Public Notification requested1 linked violation
August 22, 2024State Violation/Reminder Notice1 linked violation
May 14, 2024State Compliance achieved1 linked violation
May 14, 2024State Compliance achieved3 linked violations
May 14, 2024State Compliance achieved1 linked violation
May 14, 2024State Compliance achieved1 linked violation
May 14, 2024State Compliance achieved1 linked violation
May 14, 2024State Compliance achieved1 linked violation
May 14, 2024State Compliance achieved1 linked violation
May 13, 2024State Violation/Reminder Notice1 linked violation
May 13, 2024State Public Notification requested1 linked violation
May 13, 2024State Violation/Reminder Notice1 linked violation
May 13, 2024State Public Notification requested1 linked violation
May 13, 2024State Violation/Reminder Notice1 linked violation
May 13, 2024State Public Notification requested1 linked violation
April 10, 2024State Violation/Reminder Notice1 linked violation
April 10, 2024State Public Notification requested1 linked violation
March 8, 2024State Compliance achieved2 linked violations
March 1, 2024State Violation/Reminder Notice1 linked violation
March 1, 2024State Public Notification requested1 linked violation
February 29, 2024State Compliance achieved1 linked violation
February 23, 2024State Violation/Reminder Notice1 linked violation
February 23, 2024State Violation/Reminder Notice1 linked violation
February 23, 2024State Public Notification requested1 linked violation
February 23, 2024State Public Notification requested1 linked violation
January 26, 2024State Violation/Reminder Notice1 linked violation
January 26, 2024State Violation/Reminder Notice1 linked violation
January 26, 2024State Public Notification requested1 linked violation
January 26, 2024State Public Notification requested1 linked violation
November 29, 2023State Violation/Reminder Notice1 linked violation
November 29, 2023State Public Notification requested1 linked violation
October 12, 2023State Violation/Reminder Notice1 linked violation
October 12, 2023State Violation/Reminder Notice1 linked violation
October 12, 2023State Public Notification requested1 linked violation
October 12, 2023State Public Notification requested1 linked violation
September 11, 2023State Compliance achieved1 linked violation
July 19, 2023State Violation/Reminder Notice1 linked violation
July 19, 2023State Public Notification requested1 linked violation
June 15, 2023State Public Notification requested1 linked violation
June 15, 2023State Violation/Reminder Notice1 linked violation
March 23, 2023State Compliance achieved1 linked violation
February 17, 2023State Public Notification requested1 linked violation
February 17, 2023State Violation/Reminder Notice1 linked violation
October 1, 2021State Compliance achieved1 linked violation
July 23, 2021State Compliance achieved1 linked violation
July 20, 2021State Violation/Reminder Notice1 linked violation
July 20, 2021State Public Notification requested1 linked violation
October 29, 2020State Public Notification requested1 linked violation
October 29, 2020State Violation/Reminder Notice1 linked violation
June 10, 2020State Compliance achieved2 linked violations
May 13, 2020State Public Notification requested2 linked violations
May 13, 2020State Violation/Reminder Notice2 linked violations
February 18, 2020State Compliance achieved2 linked violations
February 6, 2020State Violation/Reminder Notice2 linked violations
February 6, 2020State Public Notification requested2 linked violations
January 10, 2020State Compliance achieved2 linked violations
December 16, 2019State Public Notification requested1 linked violation
December 16, 2019State Public Notification requested1 linked violation
December 16, 2019State Violation/Reminder Notice1 linked violation
December 16, 2019State Violation/Reminder Notice1 linked violation
December 24, 2018State Compliance achieved2 linked violations
December 10, 2018State Compliance achieved1 linked violation
November 15, 2018State Public Notification requested2 linked violations
November 15, 2018State Violation/Reminder Notice2 linked violations
October 8, 2018State Compliance achieved2 linked violations
October 8, 2018State Compliance achieved2 linked violations
September 17, 2018State Public Notification requested2 linked violations
September 17, 2018State Violation/Reminder Notice5 linked violations
September 12, 2018State Public Notification requested3 linked violations
September 12, 2018State Violation/Reminder Notice4 linked violations
September 5, 2018State Compliance achieved6 linked violations
July 23, 2018State Violation/Reminder Notice2 linked violations
July 23, 2018State Public Notification requested3 linked violations
July 5, 2018State Public Notification requested1 linked violation
July 5, 2018State Violation/Reminder Notice1 linked violation
July 5, 2018State Public Notification requested1 linked violation
July 5, 2018State Violation/Reminder Notice1 linked violation
February 22, 2018State Compliance achieved4 linked violations
January 30, 2018State Compliance achieved1 linked violation
January 10, 2018State Violation/Reminder Notice1 linked violation
January 10, 2018State Public Notification requested1 linked violation
November 14, 2017State Public Notification requested1 linked violation
November 14, 2017State Public Notification requested1 linked violation
November 14, 2017State Violation/Reminder Notice1 linked violation
November 14, 2017State Violation/Reminder Notice1 linked violation
October 30, 2017State Compliance achieved2 linked violations
October 16, 2017State Compliance achieved1 linked violation
September 14, 2017State Violation/Reminder Notice1 linked violation
September 14, 2017State Violation/Reminder Notice1 linked violation
September 14, 2017State Public Notification requested1 linked violation
September 14, 2017State Public Notification requested1 linked violation
September 11, 2017State Compliance achieved1 linked violation
August 16, 2017State Violation/Reminder Notice1 linked violation
August 16, 2017State Public Notification requested1 linked violation
June 5, 2017State Compliance achieved1 linked violation
May 5, 2017State Violation/Reminder Notice1 linked violation
May 5, 2017State Public Notification requested1 linked violation
May 5, 2017State Public Notification requested1 linked violation
May 5, 2017State Violation/Reminder Notice1 linked violation
January 13, 2017State Public Notification requested1 linked violation
January 13, 2017State Violation/Reminder Notice1 linked violation
September 17, 2014State Compliance achieved1 linked violation
February 12, 2014State Compliance achieved1 linked violation
November 13, 2013State Public Notification requested1 linked violation
November 13, 2013State Violation/Reminder Notice1 linked violation
July 16, 2013State Public Notification received1 linked violation
February 12, 2013State Public Notification requested1 linked violation
February 12, 2013State Violation/Reminder Notice1 linked violation
June 30, 2012State Compliance achieved2 linked violations
January 23, 2012State Violation/Reminder Notice1 linked violation
January 23, 2012State Public Notification requested1 linked violation
January 23, 2012State Violation/Reminder Notice1 linked violation
January 23, 2012State Public Notification requested1 linked violation
September 13, 2011State Compliance achieved1 linked violation
September 2, 2011State Compliance achieved44 linked violations
August 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 9, 2011State Public Notification requested1 linked violation
February 9, 2011State Violation/Reminder Notice1 linked violation
February 1, 2011State Compliance achieved21 linked violations
December 24, 2009State Compliance achieved11 linked violations
November 10, 2008State Compliance achieved1 linked violation
August 15, 2008State Violation/Reminder Notice1 linked violation
August 15, 2008State Public Notification requested1 linked violation
August 14, 2008State Compliance achieved1 linked violation
August 13, 2008State Violation/Reminder Notice1 linked violation
April 9, 2008State Compliance achieved10 linked violations
February 12, 2008State Public Notification requested31 linked violations
February 12, 2008State Violation/Reminder Notice31 linked violations
February 12, 2008State Public Notification requested31 linked violations
February 12, 2008State Violation/Reminder Notice31 linked violations
February 8, 2008State Violation/Reminder Notice10 linked violations
February 8, 2008State Public Notification requested1 linked violation
February 8, 2008State Violation/Reminder Notice1 linked violation
February 8, 2008State Public Notification requested10 linked violations
February 6, 2008State Public Notification requested21 linked violations
February 6, 2008State Violation/Reminder Notice21 linked violations
November 27, 2007State Compliance achieved1 linked violation
January 2, 2007State Compliance achieved4 linked violations
November 30, 2006State Public Notification requested2 linked violations
August 18, 2006State Violation/Reminder Notice2 linked violations
August 18, 2006State Public Notification requested1 linked violation
January 11, 2006State Violation/Reminder Notice1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 18, 2001State Compliance achieved1 linked violation
January 28, 2000State Formal Notice of Violation issued2 linked violations
November 30, 1999State Public Notification requested1 linked violation
November 30, 1999State Formal Notice of Violation issued3 linked violations
November 3, 1999State Public Notification requested1 linked violation
August 31, 1999State Formal Notice of Violation issued1 linked violation
August 31, 1999State Public Notification requested4 linked violations
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested2 linked violations
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Public Notification requested1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
January 12, 1999State Formal Notice of Violation issued1 linked violation
October 29, 1998State Formal Notice of Violation issued2 linked violations
September 29, 1998State Public Notification requested1 linked violation
April 15, 1996State Public Notification requested1 linked violation
March 6, 1995State Intentional no-action1 linked violation
March 6, 1995State Public Notification requested1 linked violation
June 30, 1994State Compliance achieved2 linked violations
June 1, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
March 14, 1990State Public Notification requested1 linked violation

Contact

WONTROBSKI, JOHN

970-728-4943

OPHIR, CO 81426