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Community Water System · PWS WY5600196

Kaycee, Town Of

Kaycee, Wyoming 82639 - drinking water served from groundwater sources to 263 people, tracked in EPA SDWIS and UCMR5.

263
People served
24
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 24 drinking-water violations at Kaycee, Town Of, 8% of them health-based - below the Wyoming per-system average.

24
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
263
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kaycee, Town Of

Kaycee, Town Of is a local-owned community water system that delivers drinking water to 263 residents in Kaycee, Wyoming (Johnson County) through 230 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 24 total violations for this system , of which 2 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 16 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 5 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wyoming, EPA tracks 766 public water systems serving 639,288 people, with 32,465 cumulative violations and 4,023 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 42.4 violations. Statewide, 18 of 33 UCMR5-tested systems have reported PFAS detections (54.5%).

Kaycee, Town Of's 24 violations sit below the Wyoming average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
263
Total Violations
24
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
230
County
Johnson
School/Daycare
No
MCL Violations
2
Monitoring Violations
16
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 5 1998
Coliform (TCR) MCL 2 1997
Barium MR 1 1982
Arsenic MR 1 1982
E. COLI MR 1 2022
Nitrate-Nitrite MR 1 2024
Mercury MR 1 1982
Chromium MR 1 1982
Fluoride MR 1 1982
Selenium MR 1 1982
Cadmium MR 1 1982
Xylenes, Total MR 1 2020
Nitrate MR 1 1982

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Kaycee, Town Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WY5600196 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wyoming Drinking Water Authority

Wyoming's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find WY regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Nitrate-Nitrite MR 1 SDWIS / WY5600196 / 1038
2022 E. COLI MR 1 SDWIS / WY5600196 / 3014
2020 Xylenes, Total MR 1 SDWIS / WY5600196 / 2955
1998 Coliform (TCR) MR 5 SDWIS / WY5600196 / 3100
1997 Coliform (TCR) MCL 2 SDWIS / WY5600196 / 3100
1982 Barium MR 1 SDWIS / WY5600196 / 1010
1982 Arsenic MR 1 SDWIS / WY5600196 / 1005
1982 Mercury MR 1 SDWIS / WY5600196 / 1035
1982 Chromium MR 1 SDWIS / WY5600196 / 1020
1982 Fluoride MR 1 SDWIS / WY5600196 / 1025
1982 Selenium MR 1 SDWIS / WY5600196 / 1045
1982 Cadmium MR 1 SDWIS / WY5600196 / 1015
1982 Nitrate MR 1 SDWIS / WY5600196 / 1040

How Kaycee, Town Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Kaycee, Town Of Wyoming avg Federal benchmark
Total violations 24 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 263 835 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 766 regulated public water systems in Wyoming.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Kaycee, Town Of water safe to drink?
Kaycee, Town Of (PWS ID: WY5600196) has 24 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 263 people using Groundwater sources.
How many people does Kaycee, Town Of serve?
Kaycee, Town Of serves 263 people in Kaycee, Wyoming. It is a Local-owned system using Groundwater water sources with 230 service connections.
What type of violations does Kaycee, Town Of have?
Kaycee, Town Of has 24 total violations: 2 health-based violations (MCL exceedances or treatment failures), 16 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kaycee, Town Of water?
No PFAS testing data is available for Kaycee, Town Of under the EPA's UCMR5 monitoring program.
What water source does Kaycee, Town Of use?
Kaycee, Town Of uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.