Public water system record
Town of Star Valley Ranch
Serves Star Valley Ranch and Thayne, Lincoln County, WY · 2,030 people served
Federal records show 2 health-based violations and 6 monitoring/reporting issues for Town of Star Valley Ranch in the last ten years, including an unresolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 1
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Town of Star Valley Ranch draws water from 3 wells and 1 spring.
- Record on file since 1991, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 879 unknown out of 2,360 service lines.
Check whether Town of Star Valley Ranch 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Apr 21, 2023 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 24, 2015 | 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, 2025 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Groundwater Rule
OTHER
|
Sep 25, 2015 | Active |
Full record since 1991
EPA's records for Town of Star Valley Ranch go back to 1991. Before October 19, 2016 they list 6 health-based violations (5 resolved, 1 archived by EPA without a recorded fix) and 42 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 7 |
| 2000s | 2 | 30 |
| 2010 to October 18, 2016 | 3 | 5 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began December 2015, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Dec 24, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2003 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Archived |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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
Town of Star Valley Ranch draws water from 3 wells and 1 spring.
Annual water quality report
Town of Star Valley Ranch 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