INDIAN GRINDING ROCK-CALAVERAS DISTRICT
California - Transient Non-Community - PWSID: CA0310300
System Information
| PWSID | CA0310300 |
| System Name | INDIAN GRINDING ROCK-CALAVERAS DISTRICT |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | COLUMBIA |
| ZIP Code | 95310 |
| Address | 22708 Broadway St. |
| Organization | GERHART, DANIELLE |
| Phone | 209-207-2696 |
Population & Service
| Population Served | 63 |
| Service Connections | 7 |
Drinking Water Violations
No violations recorded for this water system in the EPA SDWIS database.
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.