DEL ORO WC - BLACK BUTTE DISTRICT
California - Community Water System - PWSID: CA1100404
System Information
| PWSID | CA1100404 |
| System Name | DEL ORO WC - BLACK BUTTE DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 28, 1986 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | CHICO |
| ZIP Code | 95927 |
| Address | DRAWER 5172 |
| Organization | FORTINO, ROBERT |
| Phone | 530-809-3970 |
Population & Service
| Population Served | 277 |
| Service Connections | 84 |
Drinking Water Violations (18)
This water system has 18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Aug 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1995 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1995 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - |
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.