BLACK CHASM CAVERN
California - Transient Non-Community - PWSID: CA0300088
System Information
| PWSID | CA0300088 |
| System Name | BLACK CHASM CAVERN |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 21, 2010 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | ANGELS CAMP |
| ZIP Code | 95222 |
| Address | P.O. Box 555 |
| Organization | BROLEGIO, NATALIE |
| Phone | 209-822-3957 |
Population & Service
| Population Served | 115 |
| Service Connections | 2 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2021 | Nov 30, 2021 | MCL | Yes | No | - | - | - | Resolved | Jan 19, 2021 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MCL | Yes | No | - | - | - | Resolved | Jan 19, 2021 | - | |
| Nov 1, 2021 | - | MR | No | Yes | - | - | - | Resolved | Jan 31, 2022 | - | |
| Nov 1, 2021 | - | MR | No | Yes | - | - | - | Resolved | Jan 31, 2022 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Dec 31, 2018 | Dec 30, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 30, 2021 | - | |
| Dec 31, 2018 | Dec 30, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 30, 2021 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2013 | - |
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.