Public water system record
Town of Cowley
Serves Cowley, Big Horn County, WY · 800 people served
Federal records show 2 health-based violations and 3 monitoring/reporting issues for Town of Cowley 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
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Town of Cowley draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by EPA, September 2017.
- Record on file since 1976, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 2 lead and 106 unknown out of 436 service lines.
Check whether Town of Cowley 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 | Nov 2, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 22, 2017 | 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
|
Sep 29, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2021 | Resolved |
Full record since 1976
EPA's records for Town of Cowley go back to 1976. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 38 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1980s | 0 | 8 |
| 1990s | 2 | 27 |
| 2000s | 0 | 1 |
| October 19, 2016 to 2019 | 2 | 0 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 1992, Archived.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Town of Cowley in 2017. The most recent was a compliance order (no penalty) in September 2017.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 29, 2017 | EPA | Compliance order (no penalty) | 1 violation (1 health-based): Groundwater Rule |
What the violations mean
Groundwater Rule
2 incidentsThe 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 each of these violations.
Where the water comes from
Town of Cowley draws water from 1 well. It also has an emergency connection to Deaver Municipal Water System. 1 other community water system buys water from Town of Cowley. 1 other public water system has an emergency connection to Town of Cowley.
Emergency or part-time connections to
- Deaver Municipal Water System Deaver, WY
Community systems that buy water from it
- South End Water Users S&I District Lovell, WY
Annual water quality report
Town of Cowley 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