Public water system record
Arapahoe Comm Water System
Serves Arapahoe and Ethete, Fremont County, WY · 4,100 people served
Federal records show 1 health-based violation and 12 monitoring/reporting issues for Arapahoe Comm Water System in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- Arapahoe Comm Water System draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: emergency order under section 1431 of the Safe Drinking Water Act by EPA, November 2004.
- Record on file since 1980, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 590 unknown out of 591 service lines.
Check whether Arapahoe Comm Water System serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 24, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
E. coli
Monitoring and reporting
|
Oct 9, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2020 | Resolved |
|
Radium-228
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Radium-226
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
Full record since 1980
EPA's records for Arapahoe Comm Water System go back to 1980. Before October 19, 2016 they list 8 health-based violations (5 resolved, 3 archived by EPA without a recorded fix) and 337 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 17 |
| 1990s | 3 | 32 |
| 2000s | 4 | 75 |
| 2010 to October 18, 2016 | 1 | 213 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 0 | 7 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began August 2016, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Aug 24, 2016 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1998 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1995 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1995 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Arapahoe Comm Water System in 2004. The most recent was an emergency order under section 1431 of the Safe Drinking Water Act in November 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 9, 2004 | EPA | Emergency order under section 1431 of the Safe Drinking Water Act | 6 violations (3 health-based): Total Coliform |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Arapahoe Comm Water System draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Arapahoe Comm Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 8.
Certified drinking water labs by state EPA guidance for private wells