PlainWater
Counties → Ohio

Fairfield County, Ohio

Water Systems
75
Population Served
100,143
Total Violations
6,414
803 health-based
PFAS Detected
3
of 4 tested

Violation Analysis

89.3%
Systems with Violations
85.5
Avg Violations per System
12.5%
Health-Based Violations

Water Source Types

GW
50 systems (67%)

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

Fairfield Ohio water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (46)

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
Lancaster City PWS 40,400 9 Clean
Pickerington City PWS 19,141 9 Clean
Fairfield County Utilities PWS 15,486 4 Clean
Millersport Village PWS 3,200 84 -
Baltimore Village PWS 2,995 52 -
Canal Pointe Industrial Park PWS 1,721 3 -
Lithopolis Village PWS 1,573 200 -
Odrc-Southeastern Correctional Institute 1,461 57 -
Little Walnut Water Treatment Facility 1,428 3 -
Bremen Village 1,425 85 -
Pleasantville Village PWS 960 151 -
Amanda Village PWS 757 170 -
Thurston Village PWS 604 63 -
Carroll Village PWS 524 127 -
Greenfield Twp Water District 490 52 Clean
Rustic Ridge MHP 450 131 -
Victory Hill Church of God PWS 450 13 -
Sugar Grove Village PWS 426 214 -
Real Church PWS 402 0 -
Rushville Village PWS 357 18 -
Oromo Evangelical Church in Columbus PWS 350 172 -
Hope Community Church of the Nazarene 305 873 -
Odnr-Buckeye Lake State Park 294 34 -
The Grove Comm. Christian Church PWS 245 96 -
Rippling Stream Campground 194 20 -
Country Lane Gardens Hc 190 53 -
Zane Trace Station PWS 189 78 -
Fish and Game Campground 181 91 -
Jackson Lake Park - Shelter 4 180 97 -
Sims Marathon 178 10 -
Dollar General #16307 - Amanda 175 4 -
The Cyril-Scott Co PWS 168 16 -
The Beach Stop Market 158 0 -
Pine Hill Golf Course 150 35 -
Rsc Elite Athletics 150 11 -
Buckeye Lake Winery Inc PWS 150 3 -
Rhonemus Winery 140 0 -
Valley View Golf Club 128 68 -
Small Wonders Learning Center PWS 112 344 -
Pine Lake Estates 110 51 -
Pumpkin Vine Golf Course PWS 105 16 -
Dollar General #19047 - Carroll 105 0 -
Castaway Restaurant 104 46 -
Buckeye Beach Park, LLC 100 211 -
Life Church 100 33 -
Oakland Grocery PWS 100 15 -
Company Wrench PWS 94 8 -
Bible Baptist Church 90 43 -
Geneva Hills - Welcome Ctr./Res. 83 137 -
Colony Village MHP 75 455 -

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 Fairfield County? ▼
Fairfield County has 6,414 total drinking water violations across 75 water systems, of which 803 are health-based violations. 89.3% of systems have at least one violation.
How many people get water from Fairfield County systems? ▼
Water systems in Fairfield County serve approximately 100,143 people through 75 public water systems.
Has PFAS been detected in Fairfield County water? ▼
Of 4 water systems tested for PFAS in Fairfield County, 3 had PFAS detected (75.0% detection rate).
What types of water sources supply Fairfield County? ▼
Water systems in Fairfield 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. 12.5% of Fairfield 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.