SANDIA KNOLLS WATER SYSTEM
New Mexico — Community Water System — PWSID: NM3511001
System Information
| PWSID | NM3511001 |
| System Name | SANDIA KNOLLS WATER SYSTEM |
| 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 | Mar 12, 1980 |
| 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 | 1,098 |
| Service Connections | 446 |
Drinking Water Violations (137)
This water system has 137 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 8, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 17, 2023 | Ground Water Rule |
| Mar 8, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 17, 2023 | Ground Water Rule |
| Mar 8, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 17, 2023 | Ground Water Rule |
| Mar 8, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 17, 2023 | Ground Water Rule |
| Oct 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 13, 2009 | Lead and Copper Rule |
| Oct 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 13, 2009 | Lead and Copper Rule |
| Oct 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 13, 2009 | Lead and Copper Rule |
| Oct 1, 2008 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 13, 2009 | Lead and Copper Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Dec 31, 2008 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2008 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jul 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 29, 2007 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 29, 2007 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 29, 2007 | Consumer Confidence Rule |
| Jun 28, 2006 | — | Public Notice | Other | No | No | — | — | — | Resolved | Oct 22, 2010 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2006 | Jun 30, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2006 | Jun 30, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2006 | Jun 30, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | Mar 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2006 | Mar 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2006 | Mar 31, 2006 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2006 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jan 1, 2006 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 6, 2009 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 12, 2006 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 6, 2009 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 6, 2009 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 6, 2009 | Lead and Copper 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.