SOUTH SAN YSIDRO MDWCA
New Mexico — Community Water System — PWSID: NM3519225
System Information
| PWSID | NM3519225 |
| System Name | SOUTH SAN YSIDRO MDWCA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 8, 1997 |
| Last Reported | Dec 3, 2025 |
Location & Contact
| State | New Mexico |
| City | RIBERA |
| ZIP Code | 87560 |
| Address | — |
| Organization | CASTRO, VERONICA |
| Phone | 575-421-3892 |
Population & Service
| Population Served | 35 |
| Service Connections | 16 |
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 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Aug 1, 2019 | Aug 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2019 | Revised Total Coliform Rule |
| Aug 1, 2019 | Aug 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2019 | Revised Total Coliform Rule |
| Feb 16, 2019 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 14, 2019 | Public Notice Rule and Revised PN Rule |
| Oct 6, 2018 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 10, 2019 | Public Notice Rule and Revised PN Rule |
| Sep 29, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 10, 2018 | Ground Water Rule |
| Sep 29, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 10, 2018 | Ground Water Rule |
| Sep 29, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 10, 2018 | Ground Water Rule |
| Jul 4, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 8, 2019 | Ground Water Rule |
| Jun 1, 2011 | Jun 30, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 13, 2011 | Total Coliform Rule |
| Sep 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Feb 1, 1997 | Feb 28, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1997 | Total Coliform Rule |
| Feb 1, 1997 | Feb 28, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1997 | Total Coliform Rule |
| Feb 1, 1997 | Feb 28, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Feb 28, 1997 | Total Coliform Rule |
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.