ALCALDE MDWCA
New Mexico — Community Water System — PWSID: NM3535021
System Information
| PWSID | NM3535021 |
| System Name | ALCALDE 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 | ALCALDE |
| ZIP Code | 87511 |
| Address | — |
| Organization | VALDEZ, MATTHEW |
| Phone | 505-929-1196 |
Population & Service
| Population Served | 927 |
| Service Connections | 309 |
Drinking Water Violations (211)
This water system has 211 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | Sep 30, 2025 | Arsenic | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2025 | Arsenic Rule |
| Apr 1, 2025 | Jun 30, 2025 | Arsenic | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | Arsenic Rule |
| Apr 1, 2025 | Jun 30, 2025 | Arsenic | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | Arsenic Rule |
| Apr 1, 2025 | Jun 30, 2025 | Arsenic | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2025 | Arsenic Rule |
| Jan 1, 2025 | Mar 31, 2025 | Arsenic | MCL | Yes | No | .026 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | Arsenic Rule |
| Jan 1, 2025 | Mar 31, 2025 | Arsenic | MCL | Yes | No | .026 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | Arsenic Rule |
| Jan 1, 2025 | Mar 31, 2025 | Arsenic | MCL | Yes | No | .026 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2025 | Arsenic Rule |
| Oct 1, 2024 | Dec 31, 2024 | Arsenic | MCL | Yes | No | .068 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | Arsenic Rule |
| Oct 1, 2024 | Dec 31, 2024 | Arsenic | MCL | Yes | No | .068 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | Arsenic Rule |
| Oct 1, 2024 | Dec 31, 2024 | Arsenic | MCL | Yes | No | .068 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | Arsenic Rule |
| Oct 1, 2024 | Dec 31, 2024 | Arsenic | MCL | Yes | No | .068 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2024 | Arsenic Rule |
| Jul 1, 2024 | Sep 30, 2024 | Arsenic | MCL | Yes | No | .074 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2024 | Arsenic Rule |
| Jul 1, 2024 | Sep 30, 2024 | Arsenic | MCL | Yes | No | .074 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2024 | Arsenic Rule |
| Jul 1, 2024 | Sep 30, 2024 | Arsenic | MCL | Yes | No | .074 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2024 | Arsenic Rule |
| Jul 1, 2024 | Sep 30, 2024 | Arsenic | MCL | Yes | No | .074 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2024 | Arsenic Rule |
| Apr 1, 2024 | Jun 30, 2024 | Arsenic | MCL | Yes | No | .073 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | Arsenic Rule |
| Apr 1, 2024 | Jun 30, 2024 | Arsenic | MCL | Yes | No | .073 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | Arsenic Rule |
| Apr 1, 2024 | Jun 30, 2024 | Arsenic | MCL | Yes | No | .073 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | Arsenic Rule |
| Apr 1, 2024 | Jun 30, 2024 | Arsenic | MCL | Yes | No | .073 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2024 | Arsenic Rule |
| Jan 1, 2024 | Mar 31, 2024 | Arsenic | MCL | Yes | No | .06 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2024 | Arsenic Rule |
| Jan 1, 2024 | Mar 31, 2024 | Arsenic | MCL | Yes | No | .06 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2024 | Arsenic Rule |
| Jan 1, 2024 | Mar 31, 2024 | Arsenic | MCL | Yes | No | .06 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2024 | Arsenic Rule |
| Jan 1, 2024 | Mar 31, 2024 | Arsenic | MCL | Yes | No | .06 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2024 | Arsenic Rule |
| Oct 1, 2023 | Dec 31, 2023 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2023 | Arsenic Rule |
| Oct 1, 2023 | Dec 31, 2023 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2023 | Arsenic Rule |
| Oct 1, 2023 | Dec 31, 2023 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2023 | Arsenic Rule |
| Oct 1, 2023 | Dec 31, 2023 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2023 | Arsenic Rule |
| Jul 1, 2023 | Sep 30, 2023 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2023 | Arsenic Rule |
| Jul 1, 2023 | Sep 30, 2023 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2023 | Arsenic Rule |
| Jul 1, 2023 | Sep 30, 2023 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2023 | Arsenic Rule |
| Jul 1, 2023 | Sep 30, 2023 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2023 | Arsenic Rule |
| Oct 1, 2021 | Sep 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Sep 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Sep 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Sep 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Sep 30, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Sep 30, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 18, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 27, 2023 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2019 | Dec 31, 2019 | Arsenic | MCL | Yes | No | .025 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | Arsenic Rule |
| Oct 1, 2019 | Dec 31, 2019 | Arsenic | MCL | Yes | No | .025 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | Arsenic Rule |
| Oct 1, 2019 | Dec 31, 2019 | Arsenic | MCL | Yes | No | .025 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | Arsenic Rule |
| Oct 1, 2019 | Dec 31, 2019 | Arsenic | MCL | Yes | No | .025 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | Arsenic Rule |
| Jul 1, 2019 | Sep 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2019 | Arsenic Rule |
| Jul 1, 2019 | Sep 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2019 | Arsenic Rule |
| Jul 1, 2019 | Sep 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2019 | Arsenic Rule |
| Jul 1, 2019 | Sep 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2019 | Arsenic Rule |
| Apr 1, 2019 | Jun 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2019 | Arsenic Rule |
| Apr 1, 2019 | Jun 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2019 | Arsenic Rule |
| Apr 1, 2019 | Jun 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2019 | Arsenic Rule |
| Apr 1, 2019 | Jun 30, 2019 | Arsenic | MCL | Yes | No | .027 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2019 | 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.