San Ysidro Water Supply System
PWSID: NM3509723
System Details
| Population Served | 166 |
| Service Connections | 96 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | San Ysidro |
| Zip Code | 87053 |
Areas Served
- San Ysidro, Sandoval County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0024 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0019 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0019 mg/L | 0.015 mg/L | Below Action Level |
4 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-12 | Yes | Open |
| | 2025-07-12 | Yes | Open |
| | 2024-10-17 | Yes | Open |
| | 2024-10-17 | | Open |
Violation History (189 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-07-01 | Yes | Returned to Compliance |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Returned to Compliance |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Returned to Compliance |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2023-11-01 | Major | Returned to Compliance |
| | 2023-11-01 | Major | Returned to Compliance |
| | 2023-11-01 | Major | Acknowledged |
| | 2023-11-01 | Major | Returned to Compliance |
| | 2023-11-01 | Major | Returned to Compliance |
| | 2023-11-01 | Major | Returned to Compliance |
| | 2023-11-01 | Major | Acknowledged |
| | 2023-11-01 | Major | Returned to Compliance |
| | 2023-10-01 | Yes | Acknowledged |
| | 2023-10-01 | Yes | Returned to Compliance |
| | 2023-10-01 | Yes | Acknowledged |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-10-01 | Major | Acknowledged |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-10-01 | Major | Acknowledged |
| | 2023-10-01 | Major | Returned to Compliance |
| | 2023-07-01 | Yes | Acknowledged |
| | 2023-07-01 | Yes | Returned to Compliance |
| | 2023-07-01 | Yes | Acknowledged |
| | 2023-07-01 | Yes | Acknowledged |
| | 2023-07-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Returned to Compliance |
| | 2022-10-01 | Major | Returned to Compliance |
| | 2022-10-01 | Major | Returned to Compliance |
Showing 50 of 185 historical violations.