DENAIR COMMUNITY SERVICES DISTRICT
California - Community Water System - PWSID: CA5010021
System Information
| PWSID | CA5010021 |
| System Name | DENAIR COMMUNITY SERVICES DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | DENAIR |
| ZIP Code | 95316 |
| Address | P. O. Box 217 |
| Organization | DOERKSEN, GLENN |
| Phone | 209-634-4986 |
Population & Service
| Population Served | 5,090 |
| Service Connections | 1,711 |
Drinking Water Violations (25)
This water system has 25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2014 | Dec 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2014 | - | |
| Dec 1, 2014 | Dec 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2014 | - | |
| Dec 1, 2013 | Dec 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2013 | - | |
| Dec 1, 2013 | Dec 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2013 | - | |
| Sep 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 17, 2019 | - | |
| Sep 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 17, 2019 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 20, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 20, 2001 | - | |
| Mar 1, 2001 | Mar 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2001 | - | |
| Mar 1, 2001 | Mar 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2001 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| May 1, 1993 | May 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1993 | - | |
| Oct 1, 1988 | Oct 31, 1988 | Other | No | No | - | - | - | Archived | Oct 31, 1988 | - | |
| Oct 1, 1988 | Oct 31, 1988 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Oct 31, 1988 | - | |
| Oct 1, 1988 | Oct 31, 1988 | MR | No | Yes | - | 10 mg/L | - | Archived | Oct 31, 1988 | - | |
| Oct 1, 1988 | Oct 31, 1988 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Oct 31, 1988 | - | |
| Oct 1, 1988 | Oct 31, 1988 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Oct 31, 1988 | - | |
| Aug 1, 1987 | Aug 31, 1987 | MR | No | Yes | - | 10 mg/L | - | Archived | Aug 31, 1987 | - | |
| Aug 1, 1987 | Aug 31, 1987 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Aug 31, 1987 | - | |
| Aug 1, 1987 | Aug 31, 1987 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Aug 31, 1987 | - | |
| Aug 1, 1987 | Aug 31, 1987 | Other | No | No | - | - | - | Archived | Aug 31, 1987 | - | |
| Aug 1, 1987 | Aug 31, 1987 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Aug 31, 1987 | - |
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.