PlainWater
Counties → Michigan

Monroe County, Michigan

Water Systems
82
Population Served
136,030
Total Violations
1,845
458 health-based
PFAS Detected
2
of 6 tested

Violation Analysis

96.3%
Systems with Violations
22.5
Avg Violations per System
24.8%
Health-Based Violations

Water Source Types

GW
41 systems (50%)
SW
9 systems (11%)

PFAS Contamination

6
Systems Tested
2
PFAS Detected
33.3%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Monroe Michigan water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (48)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Monroe 49,467 20 Clean
Monroe South County 33,816 12 Clean
Frenchtown Township 16,481 168 Detected
Berlin Township 9,900 10 Clean
Ash Township 5,959 5 Clean
Dundee 5,400 28 Detected
South Rockwood 1,587 14 -
Mdot - Dundee W.C., R822 1,407 11 -
Petersburg 1,115 66 -
K.O.A. Campground 1,006 16 -
Crossroads Community Church 950 17 -
Hidden Lake Resort 520 8 -
American Legion Post 514 500 10 -
The Legacy 350 21 -
Whiteford Township 303 149 -
Dollar General #14643 - Carleton 300 5 -
Dundee Sportsmans Club 250 14 -
Sidelines Sports Eatery & Pub 250 19 -
Fieldstone Church 250 44 -
Mason Jar Tap and Grill 200 20 -
Covered Wagon Campground 200 25 -
Kc Campground 200 14 -
Icmc Campground - East Well 200 27 -
Icmc Campground - West Well 200 11 -
Luis' Kitchen 200 18 -
Pirolli Park 196 10 -
St. Michael Lutheran Church 180 5 -
A.j's Doolittles 175 7 -
Brookwood Swim Club 160 9 -
Bedford Meadows 156 11 -
New Life Church of Open Bible 150 12 -
Whiteford Valley Golf 150 26 -
Erie United Methodist Church 150 10 -
Lafiesta Corporation 150 0 -
Bedford Senior Cit Ctr 130 12 -
Cornerstone Baptist Church 130 0 -
VFW #9656 124 24 -
Literal Life 120 7 -
Ottawa Lake Sportsmen Club, Inc 120 30 -
Midwest II, Inc. 120 63 -
Charlie Mops 110 19 -
Applewood Orchards, Inc (New Camp) 105 5 -
Masonic Lodge #438 100 29 -
Dusseau's Reception Center 100 12 -
Nike Park Recreation Area 100 37 -
Immanuel Luth Church-Ida 100 24 -
Bolster Family Golf Course 100 4 -
Ida Gas Station 100 23 -
Bob's Country Market 100 25 -
Summerfield Market 100 13 -

Other Counties in Michigan

Wayne County
55 systems · 1,774,820 served · 1,141 violations
Oakland County
742 systems · 1,147,613 served · 21,952 violations
Macomb County
93 systems · 830,956 served · 2,728 violations
Kent County
407 systems · 616,574 served · 4,140 violations
Washtenaw County
264 systems · 420,450 served · 6,092 violations
Genesee County
397 systems · 335,433 served · 13,553 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Monroe County? ▼
Monroe County has 1,845 total drinking water violations across 82 water systems, of which 458 are health-based violations. 96.3% of systems have at least one violation.
How many people get water from Monroe County systems? ▼
Water systems in Monroe County serve approximately 136,030 people through 82 public water systems.
Has PFAS been detected in Monroe County water? ▼
Of 6 water systems tested for PFAS in Monroe County, 2 had PFAS detected (33.3% detection rate).
What types of water sources supply Monroe County? ▼
Water systems in Monroe County use GW (41 systems), SW (9 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 24.8% of Monroe County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

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 page draws directly on 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.