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Community Water System · PWS WY5600003

Bairoil, Town Of

Operator location Bairoil, Wyoming - smaller served population (≤ 999) at 71 people served; 34 SDWIS violations on record from groundwater sources.

71
People served (this PWS)
34
EPA violations (this PWS)
1
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Bairoil, Town Of standing, mid SDWIS violation third

71 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 3% is middle-third health share (≤ 23%).

The verdict

Bairoil, Town Of lands in the middle third by violation volume (34), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (71; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 3% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

34
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
71
People served by this PWS (SDWIS)
N/A
PFAS compounds detected (UCMR5)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

System Details

System Type
Community
Owner Type
Local
Connections
43
County
Sweetwater
School/Daycare
No
MCL Violations
0
Monitoring Violations
21
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 3 2010
Gross Alpha, Excl. Radon and U MR 3 2019
Lead and Copper Rule MR 3 2022
Consumer Confidence Rule Other 3 2025
Coliform (TCR) MR 2 2012
Revised Total Coliform Rule MON 2 2022
Combined Radium (-226 and -228) MR 2 2019
Total Haloacetic Acids (HAA5) MR 1 2014
Radium-226 MR 1 2019
Lead and Copper Rule TT 1 2021
Chlorine MR 1 2023
Radium-228 MR 1 2019
TTHM MR 1 2014
Combined Uranium MR 1 2019

Violation Count vs. the National Corpus

Bairoil, Town Of has 34 recorded EPA violations, 46% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 54% carry more. 3% of this system's own violations are health-based (1 of 34), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

34 Lower than most fewer violations than 54% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

Population served record for Bairoil, Town Of

EPA SDWIS lists 71 people served and 43 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

Sources: EPA SDWIS

Nationwide peers

34 violations · 71 served: nearest cross-state SDWIS matches.

What to do with Bairoil, Town Of

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Wyoming compares on the same EPA violation measures. Wyoming systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater