CARBONDALE, CO · Gunnison County
MARBLE WC Water System
Current status
1 item on record is 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 Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.
System facts
- System ID (PWSID)
- CO0226500
- System type
- Community Water System
- Population served
- 113
- Service connections
- 48
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Xylenes, Total
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2025 – December 31, 2025
ArchivedLead Consumer Notice
—Lead and Copper Rule
January 1, 2025
UnaddressedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Styrene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Benzene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2025 – December 31, 2025
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2024 – August 31, 2024
ResolvedPublic Notification Violation without NPDWR Violation
—Public Notice
July 28, 2024 – August 16, 2024
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2024 – September 17, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
March 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2024 – December 31, 2024
ArchivedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2024 – March 31, 2024
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Vinyl chloride
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Styrene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Toluene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Benzene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2023 – July 31, 2023
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2023 – September 6, 2023
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Diquat
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Endothall
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—OXAMYL
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Carbofuran
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Atrazine
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Heptachlor
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Regular
—Chlordane
January 1, 2023 – December 31, 2025
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2022 – July 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2022 – August 3, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
June 1, 2021 – June 30, 2021
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2021 – June 30, 2021
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2021 – June 30, 2021
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2021 – March 31, 2021
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2020 – September 7, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2020 – September 7, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2019 – December 31, 2019
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2019 – November 4, 2019
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2019 – October 31, 2019
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2017 – November 30, 2017
ResolvedPublic Notification Violation without NPDWR Violation
—Public Notice
May 17, 2017 – June 28, 2017
ResolvedMonitoring, Regular
—Toluene
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—Styrene
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2016 – September 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2016 – September 30, 2016
ResolvedTreatment Technique No Certif. Operator
Health-basedStage 1 Disinfectants and Disinfection Byproducts Rule
September 30, 2015 – September 23, 2016
ResolvedMonitoring, Regular
—Toluene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Benzene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Styrene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2015 – March 31, 2015
ResolvedMonitoring, Regular
—Benzene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Styrene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Ethylbenzene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Toluene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—CHLOROBENZENE
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Tetrachloroethylene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Trichloroethylene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Carbon tetrachloride
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Vinyl chloride
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—Xylenes, Total
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Styrene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Toluene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Benzene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2014 – June 30, 2014
ResolvedMonitoring, Regular
—Nitrate
January 1, 2014 – December 31, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2009 – December 31, 2009
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
October 1, 2008 – October 31, 2008
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2007 – January 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2007 – March 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2005 – September 30, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1994 – December 31, 1994
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Xylenes, Total | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| August 1, 2024 – August 31, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 28, 2024 – August 16, 2024 | Public Notification Violation without NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2024 – September 17, 2024 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| March 1, 2024 – March 31, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Archived |
| January 1, 2024 – March 31, 2024 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Vinyl chloride | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| July 1, 2023 – July 31, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2023 – September 6, 2023 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Diquat | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Endothall | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | OXAMYL | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Carbofuran | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Heptachlor | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Benzo(a)pyrene | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Archived |
| January 1, 2023 – December 31, 2025 | Monitoring, Regular | Chlordane | — | Archived |
| July 1, 2022 – July 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2022 – August 3, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| June 1, 2021 – June 30, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2021 – June 30, 2021 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2021 – June 30, 2021 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2020 – September 7, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2020 – September 7, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| December 1, 2019 – December 31, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2019 – November 4, 2019 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2019 – October 31, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| November 1, 2017 – November 30, 2017 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| May 17, 2017 – June 28, 2017 | Public Notification Violation without NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| September 1, 2016 – September 30, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| September 30, 2015 – September 23, 2016 | Treatment Technique No Certif. Operator | Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-based | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2015 – March 31, 2015 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Benzene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Styrene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| October 1, 2014 – December 31, 2014 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| June 1, 2014 – June 30, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2014 – June 30, 2014 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2014 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2008 – October 31, 2008 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2007 – January 31, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| September 1, 2005 – September 30, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1994 – December 31, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- January 21, 2026State Public Notification requested1 linked violation
- January 21, 2026State Public Notification requested2 linked violations
- January 21, 2026State Public Notification requested8 linked violations
- January 21, 2026State Public Notification requested3 linked violations
- January 21, 2026State Public Notification requested23 linked violations
- January 21, 2026State Violation/Reminder Notice2 linked violations
- January 21, 2026State Violation/Reminder Notice8 linked violations
- January 21, 2026State Public Notification requested4 linked violations
- January 21, 2026State Public Notification requested5 linked violations
- January 21, 2026State Public Notification requested5 linked violations
- January 21, 2026State Violation/Reminder Notice4 linked violations
- January 21, 2026State Violation/Reminder Notice5 linked violations
- January 21, 2026State Violation/Reminder Notice23 linked violations
- January 15, 2025State Public Notification requested23 linked violations
- January 15, 2025State Violation/Reminder Notice22 linked violations
- September 17, 2024State Public Notification requested1 linked violation
- September 17, 2024State Public Notification requested2 linked violations
- September 17, 2024State Violation/Reminder Notice1 linked violation
- September 17, 2024State Violation/Reminder Notice1 linked violation
- August 16, 2024State Compliance achieved1 linked violation
- August 15, 2024State Violation/Reminder Notice1 linked violation
- June 27, 2024State Public Notification received2 linked violations
- April 19, 2024State Violation/Reminder Notice2 linked violations
- April 2, 2024State Compliance achieved2 linked violations
- September 6, 2023State Compliance achieved2 linked violations
- August 18, 2023State Violation/Reminder Notice2 linked violations
- August 18, 2023State Public Notification requested2 linked violations
- August 18, 2023State Violation/Reminder Notice4 linked violations
- August 17, 2022State Violation/Reminder Notice4 linked violations
- August 17, 2022State Violation/Reminder Notice3 linked violations
- August 3, 2022State Compliance achieved3 linked violations
- October 21, 2021State Public Notification requested3 linked violations
- August 6, 2021State Public Notification requested2 linked violations
- August 4, 2021State Public Notification requested2 linked violations
- August 4, 2021State Public Notification requested5 linked violations
- August 4, 2021State Violation/Reminder Notice1 linked violation
- July 21, 2021State Compliance achieved3 linked violations
- May 5, 2021State Public Notification requested5 linked violations
- May 5, 2021State Violation/Reminder Notice1 linked violation
- March 4, 2020State Compliance achieved4 linked violations
- February 7, 2020State Violation/Reminder Notice5 linked violations
- February 7, 2020State Violation/Reminder Notice3 linked violations
- December 5, 2019State Public Notification requested3 linked violations
- December 5, 2019State Public Notification requested19 linked violations
- February 21, 2018State Compliance achieved26 linked violations
- February 8, 2018State Violation/Reminder Notice1 linked violation
- February 8, 2018State Violation/Reminder Notice1 linked violation
- February 8, 2018State Public Notification requested1 linked violation
- February 8, 2018State Violation/Reminder Notice3 linked violations
- February 8, 2018State Violation/Reminder Notice2 linked violations
- February 8, 2018State Public Notification requested1 linked violation
- February 8, 2018State Violation/Reminder Notice1 linked violation
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested1 linked violation
- February 8, 2018State Violation/Reminder Notice1 linked violation
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested1 linked violation
- February 8, 2018State Violation/Reminder Notice1 linked violation
- February 8, 2018State Public Notification requested1 linked violation
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested2 linked violations
- February 8, 2018State Public Notification requested3 linked violations
- February 8, 2018State Violation/Reminder Notice3 linked violations
- February 8, 2018State Public Notification requested13 linked violations
- July 28, 2017State Public Notification requested2 linked violations
- July 28, 2017State Violation/Reminder Notice1 linked violation
- November 7, 2016State Compliance achieved2 linked violations
- November 1, 2016State Public Notification requested1 linked violation
- November 1, 2016State Violation/Reminder Notice1 linked violation
- November 1, 2016State Public Notification requested1 linked violation
- November 1, 2016State Violation/Reminder Notice1 linked violation
- September 23, 2016State Compliance achieved1 linked violation
- July 9, 2015State Compliance achieved64 linked violations
- July 9, 2015State Compliance achieved1 linked violation
- May 7, 2015State Public Notification requested24 linked violations
- May 7, 2015State Violation/Reminder Notice23 linked violations
- February 13, 2015State Public Notification requested23 linked violations
- February 9, 2015State Public Notification requested2 linked violations
- January 6, 2015State Compliance achieved3 linked violations
- August 13, 2014State Violation/Reminder Notice4 linked violations
- August 12, 2014State Public Notification requested23 linked violations
- August 12, 2014State Violation/Reminder Notice23 linked violations
- February 10, 2010State Violation/Reminder Notice3 linked violations
- January 6, 2009State Public Notification requested4 linked violations
- December 5, 2008State Public Notification requested3 linked violations
- February 5, 2008State Compliance achieved2 linked violations
- May 8, 2007State Public Notification requested14 linked violations
- May 8, 2007State Violation/Reminder Notice10 linked violations
- January 30, 2007State Compliance achieved29 linked violations
- November 10, 2005State Violation/Reminder Notice4 linked violations
- September 3, 2003State Compliance achieved4 linked violations
- February 4, 2003State Violation/Reminder Notice2 linked violations
- January 19, 1999State Formal Notice of Violation issued2 linked violations
- January 6, 1997State Compliance achieved1 linked violation
- September 23, 1996State Public Notification requested1 linked violation
- September 23, 1996State Formal Notice of Violation issued1 linked violation
- March 6, 1995State Intentional no-action1 linked violation
- March 6, 1995State Public Notification requested1 linked violation
- January 27, 1995State Public Notification requested2 linked violations
- April 27, 1994State Compliance achieved1 linked violation
- August 10, 1992State Formal Notice of Violation issued1 linked violation
Contact
ZENTMYER, KATHY
970-963-8991
CARBONDALE, CO 81623