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Community Water System · PWS WY5600229

Bighorn Mountain Campground

Buffalo, Wyoming 82834 - drinking water served from groundwater sources to 29 people, tracked in EPA SDWIS and UCMR5.

29
People served
16
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 16 drinking-water violations at Bighorn Mountain Campground - below the Wyoming per-system average.

16
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
29
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Bighorn Mountain Campground

Bighorn Mountain Campground is a private-owned community water system that delivers drinking water to 29 residents in Buffalo, Wyoming (Johnson County) through 55 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 16 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 13 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Nitrate, recorded in 2 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%).

Bighorn Mountain Campground's 16 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
29
Total Violations
16
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
55
County
Johnson
School/Daycare
No
MCL Violations
0
Monitoring Violations
13
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 2 1993
Lead and Copper Rule MR 2 2022
Coliform (TCR) MR 2 1995
Barium MR 1 1982
Arsenic MR 1 1982
Selenium MR 1 1982
Chromium MR 1 1982
Mercury MR 1 1982
Fluoride MR 1 1982
Cadmium 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 Bighorn Mountain Campground.

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 WY5600229 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
2022 Lead and Copper Rule MR 2 SDWIS / WY5600229 / 5000
1995 Coliform (TCR) MR 2 SDWIS / WY5600229 / 3100
1993 Nitrate MR 2 SDWIS / WY5600229 / 1040
1982 Barium MR 1 SDWIS / WY5600229 / 1010
1982 Arsenic MR 1 SDWIS / WY5600229 / 1005
1982 Selenium MR 1 SDWIS / WY5600229 / 1045
1982 Chromium MR 1 SDWIS / WY5600229 / 1020
1982 Mercury MR 1 SDWIS / WY5600229 / 1035
1982 Fluoride MR 1 SDWIS / WY5600229 / 1025
1982 Cadmium MR 1 SDWIS / WY5600229 / 1015

How Bighorn Mountain Campground Compares

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

Metric Bighorn Mountain Campground Wyoming avg Federal benchmark
Total violations 16 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 29 835 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 Bighorn Mountain Campground water safe to drink? ▼
Bighorn Mountain Campground (PWS ID: WY5600229) has 16 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 29 people using Groundwater sources.
How many people does Bighorn Mountain Campground serve? ▼
Bighorn Mountain Campground serves 29 people in Buffalo, Wyoming. It is a Private-owned system using Groundwater water sources with 55 service connections.
What type of violations does Bighorn Mountain Campground have? ▼
Bighorn Mountain Campground has 16 total violations: 0 health-based violations (MCL exceedances or treatment failures), 13 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Bighorn Mountain Campground water? ▼
No PFAS testing data is available for Bighorn Mountain Campground under the EPA's UCMR5 monitoring program.
What water source does Bighorn Mountain Campground use? ▼
Bighorn Mountain Campground 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.

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.