CLIFTON WD
Colorado — Community Water System — PWSID: CO0139180
System Information
| PWSID | CO0139180 |
| System Name | CLIFTON WD |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | CLIFTON |
| ZIP Code | 81520 |
| Address | 510 34 RD |
| Organization | LENIHAN, JACOB |
| Phone | 970-434-7328 |
Population & Service
| Population Served | 34,500 |
| Service Connections | 12,297 |
Drinking Water Violations (21)
This water system has 21 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 9, 2018 | Lead and Copper Rule |
| Jan 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 9, 2018 | Lead and Copper Rule |
| Jan 1, 2017 | Jan 31, 2017 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Jan 1, 2017 | Jan 31, 2017 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jan 31, 2017 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | Cryptosporidium | MR | No | Yes | — | — | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | Turbidity | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | Turbidity | MR | No | Yes | — | TT | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | Cryptosporidium | MR | No | Yes | — | — | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 1, 2016 | Nov 30, 2016 | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 30, 2016 | Long Term 2 Enhanced Surface Water Treatment Rule |
| Jul 1, 2012 | Jul 31, 2012 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 2012 | Surface Water Treatment Rule |
| Jul 1, 2012 | Jul 31, 2012 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 2012 | Surface Water Treatment Rule |
| Jul 1, 2012 | Jul 31, 2012 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 2012 | Surface Water Treatment Rule |
| Jan 1, 1988 | Dec 31, 1988 | Benzene | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
| Jan 1, 1988 | Dec 31, 1988 | Carbon tetrachloride | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
| Jan 1, 1988 | Dec 31, 1988 | 1,2-Dichloroethane | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
| Jan 1, 1988 | Dec 31, 1988 | 1,1,1-Trichloroethane | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
| Jan 1, 1988 | Dec 31, 1988 | Trichloroethylene | MR | No | No | — | 0.005 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
| Jan 1, 1988 | Dec 31, 1988 | 1,1-Dichloroethylene | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
| Jan 1, 1988 | Dec 31, 1988 | p-Dichlorobenzene | MR | No | No | — | 0.075 mg/L | — | Resolved | Dec 31, 1988 | Volatile Organic Chemicals |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.