TIERRA BONITA MUTUAL WATER
California - Community Water System - PWSID: CA1900154
System Information
| PWSID | CA1900154 |
| System Name | TIERRA BONITA MUTUAL WATER |
| 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 | Dec 21, 1992 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | LANCASTER |
| ZIP Code | 93535-8603 |
| Address | 5159 E AVENUE K8 |
| Organization | GAUDI, MELISSA |
| Phone | 805-651-9710 |
Population & Service
| Population Served | 75 |
| Service Connections | 32 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2020 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.