Public water system record

Town of Cokeville

Serves Cokeville, Lincoln County, WY · 535 people served

Federal records show 8 health-based violations and 94 monitoring/reporting issues for Town of Cokeville in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.

  • WY5600015
  • COKEVILLE
  • WY
  • 535 served

System profile

Source water Groundwater
ZIP 83114
EPA system ID WY5600015

Verify this system on EPA ECHO →

Health-based violations, last 10 years
8
Resolved
8
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
94

Key facts

  • Town of Cokeville draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, December 2023.
  • Record on file since 1976, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 71 unknown out of 213 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Sep 6, 2024 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Feb 11, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jun 1, 2021 Resolved No
Revised Total Coliform Rule
Treatment technique failure
110 Aug 14, 2020 Resolved No
Revised Total Coliform Rule
Contaminant limit exceeded
110 Jul 1, 2020 Resolved Yes
Groundwater Rule
Treatment technique failure
140 Sep 11, 2019 Resolved No
Revised Total Coliform Rule
Contaminant limit exceeded
110 Jun 1, 2018 Resolved Yes
Groundwater Rule
Treatment technique failure
140 Mar 17, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Nitrite
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrite
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate-Nitrite
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate-Nitrite
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Radium-228
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Radium-226
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Uranium
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Radium-228
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Radium-226
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Radium (-226 and -228)
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Combined Uranium
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrite
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrite
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate-Nitrite
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate-Nitrite
Monitoring and reporting
Jul 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, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2020 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2020 Resolved
Diquat
Monitoring and reporting
Jan 1, 2020 Resolved
Endothall
Monitoring and reporting
Jan 1, 2020 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2020 Resolved
Picloram
Monitoring and reporting
Jan 1, 2020 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2020 Resolved
LASSO
Monitoring and reporting
Jan 1, 2020 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2020 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2020 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2020 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2020 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2020 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2020 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2020 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2020 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2020 Resolved
Simazine
Monitoring and reporting
Jan 1, 2020 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2020 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2020 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2020 Resolved
Endrin
Monitoring and reporting
Jan 1, 2020 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2020 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2020 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2020 Resolved
Styrene
Monitoring and reporting
Jan 1, 2020 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2020 Resolved
Toluene
Monitoring and reporting
Jan 1, 2020 Resolved
Benzene
Monitoring and reporting
Jan 1, 2020 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2020 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2020 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2020 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2020 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2020 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2020 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
Vinyl chloride
Monitoring and reporting
Jan 1, 2020 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2020 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2020 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2020 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2020 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2020 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2020 Resolved
Selenium
Monitoring and reporting
Jan 1, 2020 Resolved
Thallium, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Beryllium, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Antimony, Total
Monitoring and reporting
Jan 1, 2020 Resolved
Nickel
Monitoring and reporting
Jan 1, 2020 Resolved
Mercury
Monitoring and reporting
Jan 1, 2020 Resolved
Fluoride
Monitoring and reporting
Jan 1, 2020 Resolved
CYANIDE
Monitoring and reporting
Jan 1, 2020 Resolved
Chromium (total)
Monitoring and reporting
Jan 1, 2020 Resolved
Cadmium
Monitoring and reporting
Jan 1, 2020 Resolved
Barium
Monitoring and reporting
Jan 1, 2020 Resolved
Arsenic
Monitoring and reporting
Jan 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2018 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2015 Resolved

Full record since 1976

EPA's records for Town of Cokeville go back to 1976. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 33 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1980s 0 8
1990s 0 21
2010 to October 18, 2016 1 2
October 19, 2016 to 2019 2 6
2020s 5 87

Most recent health-based violation before October 19, 2016: Groundwater Rule, began March 2016, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Groundwater Rule
Treatment technique failure
Mar 17, 2016 Resolved

Enforcement actions

EPA took 5 formal enforcement actions against Town of Cokeville and issued 1 boil water order between 2018 and 2023, filed as 7 records in EPA's data. The most recent was a compliance order (no penalty) in December 2023.

Date By Action Violations covered
Dec 14, 2023 EPA Compliance order (no penalty) 72 violations (3 health-based): Thallium, Total, Selenium, cis-1,2-Dichloroethylene, Xylenes, Total, DICHLOROMETHANE
Sep 17, 2020 EPA Compliance order (no penalty) 8 violations (1 health-based): Consumer Confidence Rule, Groundwater Rule, Total Trihalomethanes (TTHMs), Lead and Copper Rule, Haloacetic Acids (HAA5)
Jul 8, 2020 EPA Emergency order under section 1431 of the Safe Drinking Water Act 2 violations (2 health-based): Revised Total Coliform Rule
Jul 8, 2020 EPA Boil water order 1 violation (1 health-based): Revised Total Coliform Rule
Jun 13, 2018 EPA Emergency order under section 1431 of the Safe Drinking Water Act 1 violation (1 health-based): Revised Total Coliform Rule
Mar 14, 2018 EPA Compliance order (no penalty) 2 violations (1 health-based): Groundwater Rule, Lead and Copper Rule

What the violations mean

Revised Total Coliform Rule

3 incidents

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Surface Water Treatment Rule

2 incidents

The 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 each of these violations.

Groundwater Rule

2 incidents

The 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.

Long Term 2 Enhanced Surface Water Treatment Rule

1 incident

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

Where the water comes from

Town of Cokeville draws water from 2 wells. 1 smaller public system such as schools, businesses or campgrounds buys water from Town of Cokeville.

Annual water quality report

Town of Cokeville 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.