MADONNA INN WATER COMPANY
California - Non-Transient Non-Community - PWSID: CA4000780
System Information
| PWSID | CA4000780 |
| System Name | MADONNA INN WATER COMPANY |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 19, 2000 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN LUIS OBISPO |
| ZIP Code | 93401 |
| Address | 100 Madonna Rd. |
| Organization | PARCELLS, KIMBERLY |
| Phone | 805-784-2450 |
Population & Service
| Population Served | 120 |
| Service Connections | 1 |
Drinking Water Violations (17)
This water system has 17 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 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 1, 2025 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 1, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Dec 21, 2020 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Dec 21, 2020 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 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.