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Community Water System · PWS WY5601198

Shoshone Municipal Pipeline

Cowley, Wyoming 82420 - drinking water served from surface water sources to 25 people, tracked in EPA SDWIS and UCMR5.

25
People served
0
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

Shoshone Municipal Pipeline carries a clean Safe Drinking Water Act record, zero EPA violations.

0
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
25
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shoshone Municipal Pipeline

Shoshone Municipal Pipeline is a local-owned community water system that delivers drinking water to 25 residents in Cowley, Wyoming (Park County) through 15 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 0 total violations for this system , giving it a clean Safe Drinking Water Act compliance record.

No specific contaminant violations have been recorded in EPA's detailed violation register for this system. 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%).

Shoshone Municipal Pipeline's 0 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
25
Total Violations
0
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
15
County
Park
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
0

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 Shoshone Municipal Pipeline.

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 WY5601198 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

How Shoshone Municipal Pipeline Compares

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

Metric Shoshone Municipal Pipeline Wyoming avg Federal benchmark
Total violations 0 42.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 25 835 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 Shoshone Municipal Pipeline water safe to drink? ▼
Shoshone Municipal Pipeline (PWS ID: WY5601198) has 0 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Surface Water sources.
How many people does Shoshone Municipal Pipeline serve? ▼
Shoshone Municipal Pipeline serves 25 people in Cowley, Wyoming. It is a Local-owned system using Surface Water water sources with 15 service connections.
What type of violations does Shoshone Municipal Pipeline have? ▼
Shoshone Municipal Pipeline has 0 total violations: 0 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shoshone Municipal Pipeline water? ▼
No PFAS testing data is available for Shoshone Municipal Pipeline under the EPA's UCMR5 monitoring program.
What water source does Shoshone Municipal Pipeline use? ▼
Shoshone Municipal Pipeline uses Surface Water 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.

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.