EAST LARIMER COUNTY WD
Colorado - Community Water System - PWSID: CO0135233
System Information
| PWSID | CO0135233 |
| System Name | EAST LARIMER COUNTY WD |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | FORT COLLINS |
| ZIP Code | 80522 |
| Address | - |
| Organization | SIDDENS, RANDY |
| Phone | 970-493-2044 |
Population & Service
| Population Served | 27,944 |
| Service Connections | 8,531 |
Drinking Water Violations (39)
This water system has 39 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, 2026 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jan 1, 2026 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 30, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Jul 30, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Apr 30, 2022 | - | Other | No | No | - | - | - | Resolved | May 24, 2022 | - | |
| Apr 30, 2022 | - | Other | No | No | - | - | - | Resolved | May 24, 2022 | - | |
| Jan 30, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2022 | - | |
| Jan 30, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Oct 30, 2021 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2022 | - | |
| Oct 30, 2021 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Oct 22, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Oct 22, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Oct 22, 2021 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1998 | - | |
| Nov 1, 1994 | Nov 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - | |
| Nov 1, 1994 | Nov 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - | |
| Nov 1, 1994 | Nov 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - |
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.