Public water system record
Snake River Mobile Home Park
Serves Jackson and Hoback, Teton County, WY · 100 people served
Federal records show 5 health-based violations and 23 monitoring/reporting issues for Snake River Mobile Home Park in the last ten years. The most serious issue in this window was a Nitrate-Nitrite violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 3
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 23
Key facts
- Snake River Mobile Home Park draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, October 2025.
- Record on file since 1976, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 27 service lines.
Check whether Snake River Mobile Home Park 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 |
|---|---|---|---|---|
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Yes |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Mar 1, 2025 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2024 | Resolved | No |
|
Nitrate-Nitrite
Contaminant limit exceeded
|
330 | Oct 1, 2021 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Feb 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 |
Active
Enforcement action in place
|
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2023 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 |
Active
Enforcement action in place
|
|
Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2019 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2018 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2017 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2016 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2015 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2013 | Resolved |
Full record since 1976
EPA's records for Snake River Mobile Home Park go back to 1976. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 226 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1980s | 0 | 8 |
| 1990s | 0 | 33 |
| 2000s | 2 | 149 |
| 2010 to October 18, 2016 | 1 | 34 |
| October 19, 2016 to 2019 | 0 | 8 |
| 2020s | 5 | 12 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began July 2015, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Jul 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2001 | Archived |
Enforcement actions
EPA took 9 formal enforcement actions against Snake River Mobile Home Park between 2005 and 2025. The most recent was a compliance order (no penalty) in October 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 9, 2025 | EPA | Compliance order (no penalty) | 2 violations (2 health-based): Nitrate-Nitrite |
| Jun 23, 2025 | EPA | Compliance order (no penalty) | 2 violations: Lead and Copper Rule |
| Feb 23, 2022 | EPA | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate-Nitrite |
| Nov 4, 2019 | EPA | Compliance order (no penalty) | 3 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Revised Total Coliform Rule |
| Sep 26, 2017 | EPA | Compliance order (no penalty) | 24 violations: 1,2,4-Trichlorobenzene, Xylenes, Total, o-Dichlorobenzene, 1,1-Dichloroethylene, 1,2-Dichloroethane |
| Sep 30, 2015 | EPA | Compliance order (no penalty) | 6 violations: Total Coliform, Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Groundwater Rule |
| Jul 11, 2011 | EPA | Compliance order (no penalty) | 1 violation: Nitrate |
| Jul 9, 2009 | EPA | Compliance order (no penalty) | 2 violations: Consumer Confidence Rule, Lead and Copper Rule |
| Jun 29, 2005 | EPA | Compliance order (no penalty) | 75 violations (1 health-based): Combined Uranium, Radium-226, Radium-228, Total Coliform, Lead and Copper Rule |
What the violations mean
Nitrate-Nitrite
3 incidentsTest results for Nitrate-Nitrite were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Lead and Copper Rule
1 incidentThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Snake River Mobile Home Park draws water from 2 wells.
Annual water quality report
Snake River Mobile Home Park 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Snake River Mobile Home Park for a copy.
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