BASALT, CO · Pitkin County
BUTTERMILK MD Water System
Current status
2 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 Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.
System facts
- System ID (PWSID)
- CO0149160
- System type
- Community Water System
- Population served
- 200
- Service connections
- 64
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Public Notification Violation without NPDWR Violation
—Public Notice
April 5, 2025
UnaddressedPublic Notification Violation without NPDWR Violation
—Public Notice
January 5, 2025
UnaddressedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2024 – August 20, 2024
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2024 – July 31, 2024
ResolvedReport Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
July 1, 2024 – August 20, 2024
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2023 – December 31, 2023
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2022 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2022 – December 31, 2022
ResolvedPublic Notification Violation without NPDWR Violation
—Public Notice
September 24, 2018 – June 26, 2019
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2011 – September 30, 2011
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Atrazine
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Dinoseb
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—BHC-GAMMA
April 1, 2006 – June 30, 2006
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 5, 2025 | Public Notification Violation without NPDWR Violation | Public Notice | — | Unaddressed |
| January 5, 2025 | Public Notification Violation without NPDWR Violation | Public Notice | — | Unaddressed |
| July 1, 2024 – August 20, 2024 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2024 – July 31, 2024 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2024 – August 20, 2024 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2023 – December 31, 2023 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 24, 2018 – June 26, 2019 | Public Notification Violation without NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2011 – September 30, 2011 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Atrazine | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Dinoseb | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- March 18, 2013State Public Notification received58 linked violations
- July 1, 2008State Public Notification received174 linked violations
Contact
KORPELA, JAMES
970-273-3100
BASALT, CO 81621