BOULDER CITY OF
Colorado - Community Water System - PWSID: CO0107152
System Information
| PWSID | CO0107152 |
| System Name | BOULDER CITY OF |
| 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 | Feb 23, 2026 |
Location & Contact
| State | Colorado |
| City | BOULDER |
| ZIP Code | 80302 |
| Address | 1094 BETASSO RD |
| Organization | STODDARD, JON |
| Phone | 720-564-2320 |
Population & Service
| Population Served | 166,080 |
| Service Connections | 31,959 |
Drinking Water Violations (31)
This water system has 31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .06081 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .06081 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .06081 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .06081 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MR | No | No | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MR | No | No | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MR | No | No | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MR | No | No | - | - | - | Resolved | Jan 31, 2017 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MR | No | No | - | - | - | Resolved | Dec 31, 2016 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MR | No | No | - | - | - | Resolved | Dec 31, 2016 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MR | No | No | - | - | - | Resolved | Dec 31, 2016 | - | |
| Dec 1, 2016 | Dec 31, 2016 | MR | No | No | - | - | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MR | No | No | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MR | No | No | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MR | No | No | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MR | No | No | - | - | - | Resolved | Oct 31, 2016 | - | |
| Jan 1, 2010 | Jan 31, 2010 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2010 | - |
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.