CITY OF MODESTO - DEL RIO
California — Community Water System — PWSID: CA5010029
System Information
| PWSID | CA5010029 |
| System Name | CITY OF MODESTO - DEL RIO |
| 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 31, 1986 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | MODESTO |
| ZIP Code | 95355 |
| Address | 4240 Litt Road |
| Organization | MARTINEZ, MANUEL |
| Phone | 209-342-4592 |
Population & Service
| Population Served | 1,327 |
| Service Connections | 407 |
Drinking Water Violations (6)
This water system has 6 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, 2011 | Sep 30, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 4, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 4, 2011 | Total Coliform Rule |
| Jan 1, 2006 | Jan 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2006 | Total Coliform Rule |
| Jan 1, 2006 | Jan 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2006 | Total Coliform Rule |
| Apr 1, 2001 | Apr 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | 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.