Public water system record
Hays/White Cow Canyon WS
Serves Hays, Blaine County, MT · 840 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for Hays/White Cow Canyon WS 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
- 0
Key facts
- Hays/White Cow Canyon WS draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, October 2008.
- Record on file since 1976, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 194 unknown out of 194 service lines.
Check whether Hays/White Cow Canyon WS 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 | Jul 3, 2019 | Resolved | No |
Full record since 1976
EPA's records for Hays/White Cow Canyon WS go back to 1976. Before October 19, 2016 they list 8 health-based violations (3 resolved, 5 archived by EPA without a recorded fix) and 84 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1990s | 0 | 21 |
| 2000s | 8 | 61 |
| October 19, 2016 to 2019 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2009, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2009 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2007 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2002 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Hays/White Cow Canyon WS in 2008. The most recent was a compliance order (no penalty) in October 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 9, 2008 | EPA | Compliance order (no penalty) | 4 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
Hays/White Cow Canyon WS draws water from 2 wells.
Annual water quality report
Hays/White Cow Canyon WS 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