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Public water system · OH1900714

Active

Greenville City Pws

At a glance

Greenville City Pws (PWSID OH1900714) is an active community water system in Darke County, Ohio. It reports serving 13,227 people through 6,039 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2022.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

13,227

Service connections

6,039

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDOH1900714
System typeCommunity water system
Activity statusActive
Population served13,227
Service connections6,039
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyOH state drinking water program
City served—
StateOhio
ZIP—
CountyDarke County

How does Greenville City Pws compare with other water systems in Darke County?

By EPA's size categories, Greenville City Pws is a large system (10,001 to 100,000 people). Darke County has 66 active public water systems, and Greenville City Pws is the largest of them by population served. Its population served is about 24 times the county average of 545 people per system, and accounts for 37% of the 35,986 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active community water system reports serving 6,703 people, so Greenville City Pws is about twice that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Ohio has 1,028 active community water systems, 27% of the state's 3,854 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 102 Ohio systems (2.6%) list surface water as their primary source.

Who owns and regulates Greenville City Pws?

EPA lists Greenville City Pws as owned by a local government. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 66 active systems in Darke County (18%) are also owned by a local government.

Does Greenville City Pws have drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2022. The violations listed here began between August 1993 and January 2022. By type: 5 monitoring and reporting, 4 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (3 of them). EPA lists 9 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2022-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-01-13Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2017-11-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2013-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Carbon, totalcode 2920NoResolved
2001-05-01Monitoring and reportingMonitoring, Regular · code 03Simazinecode 2037NoResolved
2001-05-01Monitoring and reportingMonitoring, Regular · code 03Alachlor (Lasso)code 2051NoResolved
2001-05-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
1994-01-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
1993-10-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
1993-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved

All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Greenville City Pws: frequently asked questions

Who runs Greenville City Pws?

Greenville City Pws (PWSID OH1900714) is a community water system owned by a local government. It is regulated by the OH state drinking water program.

How many people does Greenville City Pws serve?

Greenville City Pws reports serving 13,227 people through 6,039 service connections in Darke County, Ohio.

Where does Greenville City Pws get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Greenville City Pws have any drinking water violations?

EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Greenville City Pws' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in January 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.

Where can I find Greenville City Pws' water quality report?

As a community water system, Greenville City Pws must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Darke County

Water systemCountyPopulation servedTypeSource
Eldora Speedway Main Concessions PwsDarke3,007Transient non-communityGroundwater
Versailles Village PwsDarke2,687CommunityGroundwater
Arcanum Village PwsDarke2,100CommunityGroundwater
Bradford Village PwsDarke2,000CommunityGroundwater
Ansonia Village PwsDarke1,174CommunityGroundwater
Eldora Speedway Infield Well PwsDarke1,000Transient non-communityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Greenville City Pws, PWSID OH1900714, Ohio”, https://aquacensus.com/water-systems/ohio/greenville-city-pws-oh1900714 (data as of October 1, 2026).