PlainWater
Counties → Michigan

Lenawee County, Michigan

Water Systems
193
Population Served
81,303
Total Violations
4,463
1,467 health-based
PFAS Detected
3
of 4 tested

Violation Analysis

85.0%
Systems with Violations
23.1
Avg Violations per System
32.9%
Health-Based Violations

Water Source Types

GW
46 systems (24%)
SW
4 systems (2%)

PFAS Contamination

4
Systems Tested
3
PFAS Detected
75.0%
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

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

No violations on record (9) One or more violations (41)

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
Adrian 23,663 33 Clean
Tecumseh 8,521 0 Clean
The Groves of Michigan 6,460 15 -
Madison Township 3,480 8 Clean
Blissfield 3,276 59 Detected
Clinton 2,336 95 -
Hudson 2,307 25 -
Morenci 2,220 44 -
Michigan International Speedway 1,000 3 -
Deerfield 943 600 -
Onsted 907 18 -
Ps Food Mart Convenience King #3011 900 10 -
DNR - Hayes State Park 784 8 -
Fairfield Township 717 3 -
Britton 611 48 -
Addison 605 58 -
Wacker Chemical Corporation 600 2 -
Perky Pantry Irish Hills 600 12 -
Cement City Ps Food Mart 600 3 -
Perky Pantry Pentecost 500 0 -
South Shore Water System 488 32 -
Sand Creek Elementary School 470 19 -
Tecumseh South Early Learning Ctr 450 1 -
Sand Creek High School 438 7 -
Usa2go, Dba Brooklyn Convenience 400 14 -
Tri-County Oil Co 375 3 -
Perky Pantry Westside Store 350 9 -
Dollar General #12861 - Clinton 320 0 -
Lightning Quick Gas-N-Go 14 304 22 -
Artesian Wells Sports Bar 300 53 -
Grace Point Evangelical Free Church 300 0 -
Clark's Corner 300 4 -
Clinton Fuel Express, Inc 300 21 -
Lee Villa Mobile Home Park 283 34 -
Lightning Quick Gas-N-Go 269 83 -
Riga Township 266 73 -
Dollar General #23205 - Clayton 256 0 -
Deep Lake Recreational Park 250 84 -
St. John's Lutheran Church - Adrian 250 0 -
Dollar General #23075 - Cement City 250 0 -
Deep Lake Recreational Park 2 250 0 -
Lake Arrowhead Estates 231 10 -
Leffingwell Estates 210 17 -
Porter Education Center 208 61 -
Faith Baptist Church - Adrian 205 13 -
St. Joseph Shrine Church 200 14 -
West Rome Baptist Church 200 8 -
Mitchell Memorial Park 1 200 10 -
Indian Creek Campground 200 0 -
Heritage Park 200 25 -

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 Lenawee County? ▼
Lenawee County has 4,463 total drinking water violations across 193 water systems, of which 1,467 are health-based violations. 85.0% of systems have at least one violation.
How many people get water from Lenawee County systems? ▼
Water systems in Lenawee County serve approximately 81,303 people through 193 public water systems.
Has PFAS been detected in Lenawee County water? ▼
Of 4 water systems tested for PFAS in Lenawee County, 3 had PFAS detected (75.0% detection rate).
What types of water sources supply Lenawee County? ▼
Water systems in Lenawee County use GW (46 systems), SW (4 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. 32.9% of Lenawee 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.