PlainWater

BOYSEN ST PK COTTONWOOD

PWS ID: WY5600659 · SHOSHONI, Wyoming 82649

BOYSEN ST PK COTTONWOOD serves 25 people in SHOSHONI, Wyoming using Groundwater water sources. It has 7 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BOYSEN ST PK COTTONWOOD

BOYSEN ST PK COTTONWOOD is a state-owned transient non-community water system that delivers drinking water to 25 residents in SHOSHONI, Wyoming (Fremont County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 7 total violations for this system , of which 2 (29%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 3 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. BOYSEN ST PK COTTONWOOD's 7 violations sit below the Wyoming average. Statewide, 18 of 33 UCMR5-tested systems have reported PFAS detections (54.5%). 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
7
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
3
County
Fremont
School/Daycare
No
MCL Violations
1
Monitoring Violations
5
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 3 1993
Revised Total Coliform Rule MON 2 2016
Coliform (TCR) MCL 1 1992
Revised Total Coliform Rule TT 1 2017

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 BOYSEN ST PK COTTONWOOD.

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 WY5600659 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
2017 Revised Total Coliform Rule TT 1 SDWIS / WY5600659 / 8000
2016 Revised Total Coliform Rule MON 2 SDWIS / WY5600659 / 8000
1993 Coliform (TCR) MR 3 SDWIS / WY5600659 / 3100
1992 Coliform (TCR) MCL 1 SDWIS / WY5600659 / 3100

How BOYSEN ST PK COTTONWOOD Compares

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

Metric BOYSEN ST PK COTTONWOOD Wyoming avg Federal benchmark
Total violations 7 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 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is BOYSEN ST PK COTTONWOOD water safe to drink?
BOYSEN ST PK COTTONWOOD (PWS ID: WY5600659) has 7 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does BOYSEN ST PK COTTONWOOD serve?
BOYSEN ST PK COTTONWOOD serves 25 people in SHOSHONI, Wyoming. It is a State-owned system using Groundwater water sources with 3 service connections.
What type of violations does BOYSEN ST PK COTTONWOOD have?
BOYSEN ST PK COTTONWOOD has 7 total violations: 2 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BOYSEN ST PK COTTONWOOD water?
No PFAS testing data is available for BOYSEN ST PK COTTONWOOD under the EPA's UCMR5 monitoring program.
What water source does BOYSEN ST PK COTTONWOOD use?
BOYSEN ST PK COTTONWOOD 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial