Public Water Partners

GUERNSEY, WY · Platte County

GUERNSEY, TOWN OF Water System

Consumer Confidence Report status

GUERNSEY, TOWN OF must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for GUERNSEY, TOWN OF.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Wyoming’s official records. Always confirm current status with Wyoming before making decisions based on this information.

System facts

System ID (PWSID)
WY5600023
System type
Community Water System
Population served
1,157
Service connections
650
Ownership
local government
Water source
groundwater (wells)

GUERNSEY, TOWN OF is one of 73 community water systems in Wyoming in the 501 to 3,300 people size category, serving 1,157 people from groundwater.

As of August 1, 2026, its federal record holds 29 entries between 2008 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.

Of the 29, 28 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and inorganic chemicals.

Violation history

  • Monitoring, Regular

    —

    Asbestos

    July 1, 2019 – September 30, 2019

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2011 – April 30, 2011

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2010 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is GUERNSEY, TOWN OF required to publish a Consumer Confidence Report?

Yes. GUERNSEY, TOWN OF is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is GUERNSEY, TOWN OF’s next Consumer Confidence Report due?

GUERNSEY, TOWN OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does GUERNSEY, TOWN OF have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for GUERNSEY, TOWN OF.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

FRONAPFEL, MIKE

307-836-2335

GUERNSEY, WY 82214