MT BALDY HOMEOWNERS ASSN.
California — Community Water System — PWSID: CA3610033
System Information
| PWSID | CA3610033 |
| System Name | MT BALDY HOMEOWNERS ASSN. |
| 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 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | MT. BALDY |
| ZIP Code | 91759 |
| Address | P. O. BOX 611 |
| Organization | WISMER, RICHARD |
| Phone | 909-946-6860 |
Population & Service
| Population Served | 1,700 |
| Service Connections | 115 |
Drinking Water Violations (19)
This water system has 19 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, 2019 | Aug 31, 2019 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2019 | — | |
| Aug 1, 2019 | Aug 31, 2019 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2019 | — | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2017 | — | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2017 | — | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2017 | — | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2017 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Feb 1, 2016 | Feb 29, 2016 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2016 | — | |
| Jan 1, 2013 | — | MR | No | No | — | TT | — | Resolved | Oct 20, 2016 | — | |
| Jan 1, 2013 | — | MR | No | No | — | TT | — | Resolved | Oct 20, 2016 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Oct 10, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Oct 10, 2015 | — | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2001 | — | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2001 | — | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1997 | — | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | — | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | — | |
| Jul 1, 1993 | Dec 31, 2003 | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | — |
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.