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Community Water System · PWS MI0001880

Dundee

Dundee, Michigan 48131 - drinking water served from surface water sources to 5,400 people, tracked in EPA SDWIS and UCMR5.

5,400
People served
28
EPA violations
19
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 28 drinking-water violations at Dundee, 68% of them health-based - above the Michigan per-system average, and UCMR5 testing detected 1 PFAS compound.

28
Total EPA violations on record
68%
Health-based (MCL / treatment failure)
5,400
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Dundee

Dundee is a local-owned community water system that delivers drinking water to 5,400 residents in Dundee, Michigan (Monroe County) through 1,912 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 28 total violations for this system , of which 19 (68%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 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 11 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 13 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Michigan, EPA tracks 10,959 public water systems serving 9,098,093 people, with 255,201 cumulative violations and 31,467 health-based violations on record. About 86% of systems in the state carry at least one violation, and state-wide the average per system is 23.3 violations. Statewide, 87 of 318 UCMR5-tested systems have reported PFAS detections (27.4%).

Dundee's 28 violations sit above the Michigan average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
5,400
Total Violations
28
Health-Based Violations
19
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,912
County
Monroe
School/Daycare
No
MCL Violations
15
Monitoring Violations
8
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 11 1999
Surface Water Treatment Rule TT 4 1998
Coliform (TCR) MCL 4 1997
Nitrate MR 4 2000
Lead and Copper Rule MR 4 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 7/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/16/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/16/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/16/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/16/2024 6.10 ppt 4.00 ppt Detected
PFDA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/16/2024 <20.00 ppt 20.00 ppt Not Detected
PFUnA 7/16/2024 <2.00 ppt 2.00 ppt Not Detected
PFHpS 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/16/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/16/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/16/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFTA 7/16/2024 <8.00 ppt 8.00 ppt Not Detected
PFHxA 7/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFOS 4/17/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 4/17/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 4/17/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 4/17/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 4/17/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 4/17/2024 5.40 ppt 4.00 ppt Detected
PFHxS 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 4/17/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/17/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/17/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/17/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/17/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 4/17/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 4/17/2024 <4.00 ppt 4.00 ppt Not Detected

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 Dundee.

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 MI0001880 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Michigan Drinking Water Authority

Michigan EGLE, Drinking Water and Environmental Health Division is the primacy agency that licenses and inspects Dundee under EPA-delegated authority.

Open MI regulator portal

Source: Michigan EGLE, Drinking Water and Environmental Health Division

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 4 SDWIS / MI0001880 / 5000
2000 Nitrate MR 4 SDWIS / MI0001880 / 1040
1999 Nitrate MCL 11 SDWIS / MI0001880 / 1040
1998 Surface Water Treatment Rule TT 4 SDWIS / MI0001880 / 0200
1997 Coliform (TCR) MCL 4 SDWIS / MI0001880 / 3100

How Dundee Compares

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

Metric Dundee Michigan avg Federal benchmark
Total violations 28 23.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 19 2.9 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 27.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 5,400 830 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,959 regulated public water systems in Michigan.

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 Dundee water safe to drink?
Dundee (PWS ID: MI0001880) has 28 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 5,400 people using Surface Water sources.
How many people does Dundee serve?
Dundee serves 5,400 people in Dundee, Michigan. It is a Local-owned system using Surface Water water sources with 1,912 service connections.
What type of violations does Dundee have?
Dundee has 28 total violations: 19 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Dundee water?
Yes. UCMR5 testing detected 1 PFAS compound in Dundee's water supply: PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Dundee use?
Dundee 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.