PlainWater
Counties → Ohio

Madison County, Ohio

Water Systems
59
Population Served
44,857
Total Violations
6,897
769 health-based
PFAS Detected
3
of 4 tested

Violation Analysis

94.9%
Systems with Violations
116.9
Avg Violations per System
11.1%
Health-Based Violations

Water Source Types

GW
50 systems (85%)

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

Madison Ohio 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
London City PWS 10,256 153 Clean
Mid-Ohio WSD Water District 1 5,176 37 Clean
West Jefferson Village PWS 4,488 29 Clean
Mid-Ohio WSD Plain City WTP 4,467 174 Clean
Travel Centers of America 2,490 183 -
Choctaw Utilities, Inc. 2,200 72 -
Mount Sterling Village PWS 2,059 253 -
Speedway 5360 PWS 1,006 26 -
Jehovah Witness Assembly Hall 800 33 -
Green Meadows Mobile Home Park 730 43 -
Tolles Technical Center 723 12 -
Madison Plains Elementary School 721 141 -
Jonathan Alder Pioneer High School PWS 683 25 -
Suburbans Community MHP 655 157 -
Waffle House 716 PWS 614 27 -
Odot Rest Area 6-21 PWS 600 34 -
Madison Plains High School 593 138 -
Odot Rest Area 6-22 PWS 500 4 -
Canaan Middle School 450 28 -
Jonathan Alder Junior High School 426 240 -
Canaan Community MHP 420 16 -
Jefferson Lodge Mobile Home 400 30 -
South Solon Village PWS 395 134 -
S S Simon and Jude Catholic Church PWS 350 8 -
Monroe Elementary School 287 31 -
Life in Christ Fellowship PWS 250 0 -
Shekinah Christian School PWS 240 528 -
Dollar General #20756 - Mount Sterling 223 21 -
Battelle-West Jefferson 220 42 -
United Bethel Mennonite Church 220 419 -
Rosedale Bible Institute 175 206 -
Greentree Mobile Home Park 170 353 -
Bp Oil at 56 and 71 150 112 -
Faith Assembly Worship Center 130 128 -
Ohio Peace Officer Training Academy-Tact 120 16 -
Procter Conference Center 110 28 -
Plainview Christian School 100 215 -
Buckeye Ford Inc 100 843 -
National Road Golf Course 100 18 -
Spring Valley MHP 96 268 -
Jehovah Witness Kingdom 80 54 -
London Christian Fellowship PWS 80 8 -
Holmes Lumber Dublin PWS 70 0 -
London Country Club 66 47 -
Holiday Inn Express 65 32 -
Newport Cccu PWS 56 7 -
Lafayette United Methodist Church PWS 50 3 -
Community Freewill Baptist Church 50 122 -
London Baptist Church 50 12 -
Vaughn C. Darding, D.C. 50 65 -

Other Counties in Ohio

Franklin County
96 systems · 1,503,985 served · 5,342 violations
Cuyahoga County
11 systems · 1,410,751 served · 1,166 violations
Hamilton County
28 systems · 842,267 served · 1,480 violations
Montgomery County
74 systems · 529,379 served · 4,724 violations
Summit County
214 systems · 467,695 served · 17,163 violations
Lucas County
46 systems · 433,198 served · 3,569 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Madison County? ▼
Madison County has 6,897 total drinking water violations across 59 water systems, of which 769 are health-based violations. 94.9% of systems have at least one violation.
How many people get water from Madison County systems? ▼
Water systems in Madison County serve approximately 44,857 people through 59 public water systems.
Has PFAS been detected in Madison County water? ▼
Of 4 water systems tested for PFAS in Madison County, 3 had PFAS detected (75.0% detection rate).
What types of water sources supply Madison County? ▼
Water systems in Madison County use GW (50 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. 11.1% of Madison 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.