Lower Moencopi - Spring Source
Arizona — Community Water System — PWSID: 090400393
System Information
| PWSID | 090400393 |
| System Name | Lower Moencopi - Spring Source |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Arizona |
| City | Tuba City |
| ZIP Code | 86045 |
| Address | P.O. Box 1709 |
| Organization | Village of Moencopi (Lower) |
| Phone | 9282835213 |
Population & Service
| Population Served | 465 |
| Service Connections | 8 |
Drinking Water Violations (367)
This water system has 367 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 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Jul 1, 2024 | Sep 30, 2024 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 20, 2024 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Aug 20, 2024 | Ground Water Rule |
| Jul 1, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 20, 2024 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 20, 2024 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 20, 2024 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 20, 2024 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 | Dec 31, 2022 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 6, 2022 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 7, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jul 1, 2019 | Ground Water Rule |
| Sep 7, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jul 1, 2019 | Ground Water Rule |
| Sep 7, 2018 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jul 1, 2019 | Ground Water Rule |
| Jan 1, 2016 | Jan 31, 2016 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2016 | Total Coliform Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Apr 14, 2015 | Consumer Confidence Rule |
| Jan 1, 2006 | Dec 31, 2006 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | Nitrate Rule |
| Jan 1, 2006 | Jan 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2006 | Total Coliform Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 15, 2006 | Consumer Confidence Rule |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | Total Coliform Rule |
| Sep 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2003 | Total Coliform Rule |
| Jul 1, 2003 | Jul 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2003 | Total Coliform Rule |
| Jun 1, 2003 | Jun 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2003 | Total Coliform Rule |
| May 1, 2003 | May 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2003 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | Total Coliform Rule |
| Feb 1, 2003 | Feb 28, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | 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.