SAN ANTONIO MDWCA
New Mexico — Community Water System — PWSID: NM3573928
System Information
| PWSID | NM3573928 |
| System Name | SAN ANTONIO 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 12, 1980 |
| Last Reported | Dec 3, 2025 |
Location & Contact
| State | New Mexico |
| City | SAN ANTONIO |
| ZIP Code | 87832 |
| Address | — |
| Organization | HAWKES, MICHAEL |
| Phone | 575-835-0589 |
Population & Service
| Population Served | 1,344 |
| Service Connections | 420 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Jan 31, 2025 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2025 | Revised Total Coliform Rule |
| Jan 1, 2025 | Jan 31, 2025 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jan 31, 2025 | Revised Total Coliform Rule |
| Jan 1, 2025 | Jan 31, 2025 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jan 31, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Jan 31, 2025 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jan 31, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 | Jan 31, 2025 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jan 31, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 24, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 1, 2023 | Public Notice Rule and Revised PN Rule |
| Mar 29, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Apr 7, 2021 | Public Notice Rule and Revised PN Rule |
| Mar 12, 2021 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 18, 2021 | Ground Water Rule |
| Mar 12, 2021 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 18, 2021 | Ground Water Rule |
| Mar 12, 2021 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 18, 2021 | Ground Water Rule |
| Mar 12, 2021 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 18, 2021 | Ground Water Rule |
| Jun 20, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 1, 2021 | Ground Water Rule |
| Jun 20, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 1, 2021 | Ground Water Rule |
| Jan 1, 2019 | Mar 31, 2019 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2019 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Dec 31, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Dec 31, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Dec 31, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Dec 31, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 19, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 1, 2021 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2014 | Aug 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2014 | Aug 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2014 | Aug 31, 2015 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2014 | Aug 31, 2015 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2014 | Aug 31, 2015 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Arsenic | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | Arsenic 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.