Twin Arrows Navajo Casino Internal
New Mexico - Non-Transient Non-Community - PWSID: NN0400821
System Information
| PWSID | NN0400821 |
| System Name | Twin Arrows Navajo Casino Internal |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 23, 2013 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | New Mexico |
| City | Church Rock |
| ZIP Code | 87311 |
| Address | PO Box 1700 |
| Organization | Navajo Nation Gaming Enterprise |
| Phone | 5059057100 |
Population & Service
| Population Served | 25 |
| Service Connections | 1 |
Drinking Water Violations (93)
This water system has 93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2023 | - | RPT | No | No | - | - | - | Resolved | May 18, 2023 | - | |
| Apr 1, 2022 | - | RPT | No | No | - | - | - | Resolved | May 25, 2022 | - | |
| Feb 1, 2022 | - | RPT | No | No | - | - | - | Resolved | May 25, 2022 | - | |
| Jan 1, 2022 | - | RPT | No | No | - | - | - | Resolved | May 25, 2022 | - | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 2, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 2, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 2, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jun 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| Jun 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2021 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| May 1, 2021 | May 31, 2021 | MON | No | Yes | - | - | - | Resolved | May 31, 2021 | - | |
| Apr 1, 2021 | Apr 30, 2021 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2021 | - | |
| Apr 1, 2021 | Apr 30, 2021 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2021 | - | |
| Mar 1, 2021 | Mar 31, 2021 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2021 | - | |
| Mar 1, 2021 | Mar 31, 2021 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2021 | - | |
| Mar 1, 2021 | Mar 31, 2021 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Aug 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Oct 7, 2020 | - | |
| Jul 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 17, 2020 | - | |
| Jun 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 19, 2020 | - | |
| May 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 19, 2020 | - | |
| Dec 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Apr 1, 2018 | - | RPT | No | No | - | - | - | Resolved | May 21, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 11, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 11, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 11, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 11, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 11, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 11, 2018 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 28, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 28, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 28, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2015 | - |
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.