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Transient Non-Community Water System · PWS WY5601430

WY DOT-Torrington Port of Entry

Casper, Wyoming 82601 - drinking water served from groundwater sources to 150 people, tracked in EPA SDWIS and UCMR5.

150
People served
11
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 11 drinking-water violations at WY DOT-Torrington Port of Entry, 36% of them health-based - below the Wyoming per-system average.

11
Total EPA violations on record
36%
Health-based (MCL / treatment failure)
150
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: WY DOT-Torrington Port of Entry

WY DOT-Torrington Port of Entry is a state-owned transient non-community water system that delivers drinking water to 150 residents in Casper, Wyoming (Goshen County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 11 total violations for this system , of which 4 (36%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 6 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 Nitrate-Nitrite, recorded in 4 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%).

WY DOT-Torrington Port of Entry's 11 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
150
Total Violations
11
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
1
County
Goshen
School/Daycare
No
MCL Violations
4
Monitoring Violations
6
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate-Nitrite MR 4 2024
Nitrate-Nitrite MCL 3 2014
Coliform (TCR) MCL 1 2000
Coliform (TCR) MR 1 1997
Nitrate MR 1 1996

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 WY DOT-Torrington Port of Entry.

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 WY5601430 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 4 SDWIS / WY5601430 / 1038
2014 Nitrate-Nitrite MCL 3 SDWIS / WY5601430 / 1038
2000 Coliform (TCR) MCL 1 SDWIS / WY5601430 / 3100
1997 Coliform (TCR) MR 1 SDWIS / WY5601430 / 3100
1996 Nitrate MR 1 SDWIS / WY5601430 / 1040

How WY DOT-Torrington Port of Entry Compares

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

Metric WY DOT-Torrington Port of Entry Wyoming avg Federal benchmark
Total violations 11 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 150 835 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 WY DOT-Torrington Port of Entry water safe to drink?
WY DOT-Torrington Port of Entry (PWS ID: WY5601430) has 11 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does WY DOT-Torrington Port of Entry serve?
WY DOT-Torrington Port of Entry serves 150 people in Casper, Wyoming. It is a State-owned system using Groundwater water sources with 1 service connections.
What type of violations does WY DOT-Torrington Port of Entry have?
WY DOT-Torrington Port of Entry has 11 total violations: 4 health-based violations (MCL exceedances or treatment failures), 6 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WY DOT-Torrington Port of Entry water?
No PFAS testing data is available for WY DOT-Torrington Port of Entry under the EPA's UCMR5 monitoring program.
What water source does WY DOT-Torrington Port of Entry use?
WY DOT-Torrington Port of Entry uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.