PlainWater
Counties → Ohio

Darke County, Ohio

Water Systems
73
Population Served
39,493
Total Violations
4,784
649 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

86.3%
Systems with Violations
65.5
Avg Violations per System
13.6%
Health-Based Violations

Water Source Types

GW
49 systems (67%)
SW
1 system (1%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
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

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

No violations on record (5) One or more violations (45)

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
Greenville City PWS 13,227 31 Detected
Eldora Speedway Main Concessions PWS 3,007 8 -
Versailles Village PWS 2,687 76 -
Arcanum Village PWS 2,100 52 -
Bradford Village PWS 2,000 130 Clean
Union City Village PWS 1,650 13 -
Ansonia Village PWS 1,174 29 -
Eldora Speedway Infield Well PWS 1,000 0 -
Eldora Speedway North Well PWS 1,000 0 -
New Madison Village PWS 892 61 -
Franklin Monroe School New PWS 792 257 -
Mississinawa Valley High 781 15 -
Pak-A-Sak 38 PWS 604 56 -
Sherwood Forest MHP PWS 578 128 -
Gettysburg Village PWS 513 74 -
Marshalls Service 404 75 -
Kingdom Hall of Greenville 400 65 -
Pak-A-Sak 37 PWS 350 32 -
Castine Church PWS 300 39 -
Erwin Brothers Truck Stop PWS 300 0 -
St Louis Catholic Church 250 24 -
St. Nicholas Catholic Church 230 17 -
Pleasant View Missionary Church 220 28 -
Tin Roof Tavern 217 19 -
Solid Rock Apostolic Church-Bradford PWS 215 13 -
Stillwater Valley Golf Club 200 31 -
Darke County Nature Education Center 200 7 -
Greenville Church of God PWS 200 7 -
Greenville Grace Brethren PWS 200 18 -
Bible Fellowship Church 175 10 -
Dollar General 25852 Greenville Wayne Lk 175 68 -
Lighthouse Christian Center 170 42 -
St John Lutheran Church 160 29 -
Brumbaugh Fruit Farm PWS 154 9 -
Arrowhead Campground 150 25 -
Rossburg Acres Campground PWS 150 38 -
Anthony Wayne School 135 219 -
Beechwood Golf Course-Clubhouse 125 11 -
Cedar Grove Church 125 18 -
Eagles Landing Farm and Venue 125 0 -
Stillwater RV Park and Campground 107 37 -
Northtowne Communities LLC 100 192 -
Do Good Ministry Restaurant PWS 100 72 -
White Springs Golf Club 100 8 -
Trinity Lutheran Church 100 20 -
Beamsville Christian Church PWS 100 3 -
Oakland Church of the Brethren 94 52 -
Golden Heritage Egg Farm 90 0 -
A and R Union City Park MHP PWS 85 71 -
Palestine Church of Christ PWS 80 23 -

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 Darke County? ▼
Darke County has 4,784 total drinking water violations across 73 water systems, of which 649 are health-based violations. 86.3% of systems have at least one violation.
How many people get water from Darke County systems? ▼
Water systems in Darke County serve approximately 39,493 people through 73 public water systems.
Has PFAS been detected in Darke County water? ▼
Of 2 water systems tested for PFAS in Darke County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Darke County? ▼
Water systems in Darke County use GW (49 systems), SW (1 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. 13.6% of Darke 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.