ARAPAHOE COMM WATER SYSTEM
Wyoming - Community Water System - PWSID: 085690004
System Information
| PWSID | 085690004 |
| System Name | ARAPAHOE COMM WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wyoming |
| City | ETHETE |
| ZIP Code | 82520 |
| Address | 392 Ethete Road |
| Organization | LITTLE BEAR, HAROLD |
| Phone | 307-463-4560 |
Population & Service
| Population Served | 4,100 |
| Service Connections | 422 |
Drinking Water Violations (585)
This water system has 585 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 9, 2024 | - | MR | No | Yes | - | - | - | Resolved | Oct 16, 2024 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | - | - | Resolved | Dec 9, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | - | - | Resolved | Dec 9, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | - | - | Resolved | Dec 9, 2019 | - | |
| Sep 1, 2017 | Aug 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2018 | - | |
| Sep 1, 2017 | Aug 31, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2018 | - | |
| Aug 24, 2016 | - | TT | Yes | No | - | - | - | Resolved | Sep 5, 2019 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | No | - | - | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | No | - | - | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2011 | - |
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.