San Mateo Mdwca
PWSID: NM3525733
System Details
| Population Served | 182 |
| Service Connections | 55 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Milan |
| Zip Code | 87021 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0014 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2016-04-25 | Yes | Open |
Violation History (18 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Returned to Compliance |
| | 2024-10-01 | | Returned to Compliance |
| | 2024-07-01 | | Returned to Compliance |
| | 2023-11-24 | Major | Returned to Compliance |
| | 2023-11-24 | Major | Returned to Compliance |
| | 2021-10-01 | | Returned to Compliance |
| | 2021-10-01 | | Returned to Compliance |
| | 2021-10-01 | | Returned to Compliance |
| | 2021-10-01 | | Returned to Compliance |
| | 2019-12-20 | | Returned to Compliance |
| | 2018-10-01 | | Returned to Compliance |
| | 2018-09-21 | Yes | Returned to Compliance |
| | 2018-09-21 | Yes | Returned to Compliance |
| | 2017-10-01 | | Returned to Compliance |
| | 2017-06-18 | | Returned to Compliance |
| | 2016-06-02 | | Returned to Compliance |
| | 1999-10-19 | | Returned to Compliance |