CUESTA LA HONDA GUILD INC
California — Community Water System — PWSID: CA4110012
System Information
| PWSID | CA4110012 |
| System Name | CUESTA LA HONDA GUILD INC |
| System Type | Community Water System |
| Water Source | Surface 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 | LA HONDA |
| ZIP Code | 94020 |
| Address | P.O. BOX 740 |
| Organization | MAHONEY, TERRY |
| Phone | 650-747-9766 |
Population & Service
| Population Served | 915 |
| Service Connections | 299 |
Drinking Water Violations (74)
This water system has 74 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, 2021 | Dec 31, 2021 | MCL | Yes | No | .0672 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .0672 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .0696 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .0696 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .072 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .072 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .067 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .067 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2021 | — |
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.