PlainWater
States → Wyoming

Non-Transient Non-Community Water System · PWS WY5600980

Hilcorp Carter Creek Gas Plant

Houston, Wyoming 77002 - drinking water served from surface water sources to 80 people, tracked in EPA SDWIS and UCMR5.

80
People served
57
EPA violations
19
Health-based
Untested
UCMR5 result

The verdict

EPA records 57 drinking-water violations at Hilcorp Carter Creek Gas Plant, 33% of them health-based - above the Wyoming per-system average.

57
Total EPA violations on record
33%
Health-based (MCL / treatment failure)
80
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hilcorp Carter Creek Gas Plant

Hilcorp Carter Creek Gas Plant is a private-owned non-transient non-community water system that delivers drinking water to 80 residents in Houston, Wyoming (Uinta County) through 12 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 57 total violations for this system , of which 19 (33%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 38 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 13 violations (TT, health-based). 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%).

Hilcorp Carter Creek Gas Plant's 57 violations sit above 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
80
Total Violations
57
Health-Based Violations
19
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
12
County
Uinta
School/Daycare
No
MCL Violations
0
Monitoring Violations
38
Treatment Tech Violations
19

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 13 2019
Coliform (TCR) MR 7 2000
Interim Enhanced Surface Water Treatment Rule TT 6 2015
Chromium MR 3 2004
Arsenic MR 2 2004
Cadmium MR 2 2004
Fluoride MR 2 2004
Mercury MR 2 2004
Antimony, Total MR 2 2004
Beryllium, Total MR 2 2004
Surface Water Treatment Rule MR 2 2015
Nitrate MR 2 1994
Thallium, Total MR 2 2004
Nickel MR 2 2004
Barium MR 2 2004
CYANIDE MR 2 2004
Selenium MR 2 2004
Toluene MR 1 2002
Hexachlorocyclopentadiene MR 1 2002

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 Hilcorp Carter Creek Gas Plant.

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 WY5600980 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
2019 Surface Water Treatment Rule TT 13 SDWIS / WY5600980 / 0200
2015 Interim Enhanced Surface Water Treatment Rule TT 6 SDWIS / WY5600980 / 0300
2015 Surface Water Treatment Rule MR 2 SDWIS / WY5600980 / 0200
2004 Chromium MR 3 SDWIS / WY5600980 / 1020
2004 Arsenic MR 2 SDWIS / WY5600980 / 1005
2004 Cadmium MR 2 SDWIS / WY5600980 / 1015
2004 Fluoride MR 2 SDWIS / WY5600980 / 1025
2004 Mercury MR 2 SDWIS / WY5600980 / 1035
2004 Antimony, Total MR 2 SDWIS / WY5600980 / 1074
2004 Beryllium, Total MR 2 SDWIS / WY5600980 / 1075
2004 Thallium, Total MR 2 SDWIS / WY5600980 / 1085
2004 Nickel MR 2 SDWIS / WY5600980 / 1036
2004 Barium MR 2 SDWIS / WY5600980 / 1010
2004 CYANIDE MR 2 SDWIS / WY5600980 / 1024
2004 Selenium MR 2 SDWIS / WY5600980 / 1045

How Hilcorp Carter Creek Gas Plant Compares

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

Metric Hilcorp Carter Creek Gas Plant Wyoming avg Federal benchmark
Total violations 57 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 19 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 80 835 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 Hilcorp Carter Creek Gas Plant water safe to drink? ▼
Hilcorp Carter Creek Gas Plant (PWS ID: WY5600980) has 57 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 80 people using Surface Water sources.
How many people does Hilcorp Carter Creek Gas Plant serve? ▼
Hilcorp Carter Creek Gas Plant serves 80 people in Houston, Wyoming. It is a Private-owned system using Surface Water water sources with 12 service connections.
What type of violations does Hilcorp Carter Creek Gas Plant have? ▼
Hilcorp Carter Creek Gas Plant has 57 total violations: 19 health-based violations (MCL exceedances or treatment failures), 38 monitoring/reporting violations, and 19 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hilcorp Carter Creek Gas Plant water? ▼
No PFAS testing data is available for Hilcorp Carter Creek Gas Plant under the EPA's UCMR5 monitoring program.
What water source does Hilcorp Carter Creek Gas Plant use? ▼
Hilcorp Carter Creek Gas Plant uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

Read our methodology - how this data is sourced, computed, and verified.

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.