DURHAM UNIFIED SCHOOL DISTRICT
California — Non-Transient Non-Community — PWSID: CA0400066
System Information
| PWSID | CA0400066 |
| System Name | DURHAM UNIFIED SCHOOL DISTRICT |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Nov 30, 1981 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | DURHAM |
| ZIP Code | 95938 |
| Address | P O BOX 300 |
| Organization | _YORK, DAVE |
| Phone | 530-895-4679 |
Population & Service
| Population Served | 1,200 |
| Service Connections | 18 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2013 | Sep 30, 2013 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2013 | Nitrate Rule |
| Jul 1, 2013 | Sep 30, 2013 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Sep 30, 2013 | Nitrate Rule |
| Jun 1, 2009 | Jun 30, 2009 | Nitrate | MCL | Yes | No | 55.4 MG/L | 10 mg/L | 45 | Archived | Jun 30, 2009 | Nitrate Rule |
| Mar 1, 2009 | Mar 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 2009 | Total Coliform Rule |
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.