PlainWater
States05

BAY MILLS

PWS ID: 055293101 · BRIMLEY, 05 49715

BAY MILLS serves 857 people in BRIMLEY, 05 using Groundwater water sources. It has 341 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BAY MILLS

BAY MILLS is a native american-owned community water system that delivers drinking water to 857 residents in BRIMLEY, 05 through 118 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 341 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 322 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 Coliform (TCR), recorded in 32 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 05, EPA tracks 113 public water systems serving 144,290 people, with 19,546 cumulative violations and 443 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 173 violations. BAY MILLS's 341 violations sit above the 05 average. Statewide, 5 of 13 UCMR5-tested systems have reported PFAS detections (38.5%). 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
857
Total Violations
341
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
118
School/Daycare
No
MCL Violations
0
Monitoring Violations
322
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 32 2015
Chlorine MR 13 2022
Nitrate MR 12 2023
Lead and Copper Rule MR 10 2021
Glyphosate MR 10 2024
Endothall MR 10 2024
Diquat MR 10 2024
Revised Total Coliform Rule MON 9 2022
ETHYLENE DIBROMIDE MR 7 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 7 2020
2,3,7,8-TCDD MR 6 2020
1,2,4-Trichlorobenzene MR 4 2014
cis-1,2-Dichloroethylene MR 4 2014
DICHLOROMETHANE MR 4 2014
p-Dichlorobenzene MR 4 2014
Vinyl chloride MR 4 2014
1,2-Dichloroethane MR 4 2014
Trichloroethylene MR 4 2014
1,1,2-Trichloroethane MR 4 2014
CHLOROBENZENE MR 4 2014
Toluene MR 4 2014
Styrene MR 4 2014
Endrin MR 4 2020
Methoxychlor MR 4 2020
Picloram MR 4 2020
Hexachlorocyclopentadiene MR 4 2020
Aldicarb MR 4 2020
Atrazine MR 4 2020
Heptachlor MR 4 2020
Heptachlor epoxide MR 4 2020

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 BAY MILLS.

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 055293101 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

05 Drinking Water Authority

05'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 05 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 Glyphosate MR 10 SDWIS / 055293101 / 2034
2024 Endothall MR 10 SDWIS / 055293101 / 2033
2024 Diquat MR 10 SDWIS / 055293101 / 2032
2023 Nitrate MR 12 SDWIS / 055293101 / 1040
2022 Chlorine MR 13 SDWIS / 055293101 / 0999
2022 Revised Total Coliform Rule MON 9 SDWIS / 055293101 / 8000
2021 Lead and Copper Rule MR 10 SDWIS / 055293101 / 5000
2020 ETHYLENE DIBROMIDE MR 7 SDWIS / 055293101 / 2946
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 7 SDWIS / 055293101 / 2931
2020 2,3,7,8-TCDD MR 6 SDWIS / 055293101 / 2063
2020 Endrin MR 4 SDWIS / 055293101 / 2005
2020 Methoxychlor MR 4 SDWIS / 055293101 / 2015
2020 Picloram MR 4 SDWIS / 055293101 / 2040
2020 Hexachlorocyclopentadiene MR 4 SDWIS / 055293101 / 2042
2020 Aldicarb MR 4 SDWIS / 055293101 / 2047

How BAY MILLS Compares

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

Metric BAY MILLS 05 avg Federal benchmark
Total violations 341 173 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 3.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 857 1,277 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 113 regulated public water systems in 05.

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 BAY MILLS water safe to drink?
BAY MILLS (PWS ID: 055293101) has 341 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 857 people using Groundwater sources.
How many people does BAY MILLS serve?
BAY MILLS serves 857 people in BRIMLEY, 05. It is a Native American-owned system using Groundwater water sources with 118 service connections.
What type of violations does BAY MILLS have?
BAY MILLS has 341 total violations: 0 health-based violations (MCL exceedances or treatment failures), 322 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BAY MILLS water?
No PFAS testing data is available for BAY MILLS under the EPA's UCMR5 monitoring program.
What water source does BAY MILLS use?
BAY MILLS 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.

Explore PlainWater

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