MONTEREY WATER COMPANY INC.
New Mexico — Community Water System — PWSID: NM3509032
System Information
| PWSID | NM3509032 |
| System Name | MONTEREY WATER COMPANY INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jul 20, 1987 |
| Last Reported | Dec 3, 2025 |
Location & Contact
| State | New Mexico |
| City | ELEPHANT BUTTE |
| ZIP Code | 87935 |
| Address | — |
| Organization | AVENDANO, STACI |
| Phone | 575-744-5974 |
Population & Service
| Population Served | 1,472 |
| Service Connections | 520 |
Drinking Water Violations (426)
This water system has 426 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 22, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Sep 27, 2023 | Ground Water Rule |
| Aug 22, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Sep 27, 2023 | Ground Water Rule |
| Aug 22, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Sep 27, 2023 | Ground Water Rule |
| Aug 22, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Sep 27, 2023 | Ground Water Rule |
| Aug 22, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Sep 27, 2023 | Ground Water Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Mar 22, 2020 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 19, 2020 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Jan 1, 2020 | Jan 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jan 31, 2020 | Revised Total Coliform Rule |
| Feb 17, 2019 | — | Groundwater Rule | Other | No | No | — | — | — | Resolved | Jun 12, 2019 | Ground Water Rule |
| Feb 17, 2019 | — | Groundwater Rule | Other | No | No | — | — | — | Resolved | Jun 12, 2019 | Ground Water Rule |
| Feb 17, 2019 | — | Groundwater Rule | Other | No | No | — | — | — | Resolved | Jun 12, 2019 | Ground Water Rule |
| Feb 17, 2019 | — | Groundwater Rule | Other | No | No | — | — | — | Resolved | Jun 12, 2019 | Ground Water Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Nov 18, 2015 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 17, 2020 | Public Notice Rule and Revised PN Rule |
| Nov 15, 2015 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 17, 2020 | Public Notice Rule and Revised PN Rule |
| Feb 4, 2015 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 17, 2020 | Public Notice Rule and Revised PN Rule |
| Nov 6, 2014 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 3, 2014 | Public Notice Rule and Revised PN Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Oct 19, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Oct 21, 2014 | Ground Water Rule |
| Oct 19, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Oct 21, 2014 | Ground Water Rule |
| Oct 19, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Oct 21, 2014 | Ground Water Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 21, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 21, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 21, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 3, 2014 | Lead and Copper Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 3, 2014 | Lead and Copper Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 3, 2014 | Lead and Copper Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 3, 2012 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 9, 2010 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 9, 2010 | Consumer Confidence Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | Total Coliform Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | Total Coliform Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | 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.