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Public water system · OH1900812

Active

A and R Union City Park MHP Pws

At a glance

A and R Union City Park MHP Pws (PWSID OH1900812) is an active community water system in Darke County, Ohio. It reports serving 85 people through 41 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2024.

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

Population served

85

Service connections

41

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOH1900812
System typeCommunity water system
Activity statusActive
Population served85
Service connections41
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOH state drinking water program
City served—
StateOhio
ZIP—
CountyDarke County

How does A and R Union City Park MHP Pws compare with other water systems in Darke County?

By EPA's size categories, A and R Union City Park MHP Pws is a very small system (500 people or fewer). Darke County has 66 active public water systems. Its population served is well below the county average of 545 people per system, and accounts for 0.2% 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 A and R Union City Park MHP Pws is well below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.

Who owns and regulates A and R Union City Park MHP Pws?

EPA lists A and R Union City Park MHP 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 A and R Union City Park MHP Pws have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2024. The violations listed here began between July 1996 and July 2024. By type: 6 monitoring and reporting, 4 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 11 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
2024-07-31Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2013-12-31Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2008-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2006-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-10-01Monitoring and reportingMonitoring, Regular · code 03Asbestoscode 1094NoResolved
2003-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2001-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1999-10-19Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1997-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1996-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
1996-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved

The 12 most recent 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.

A and R Union City Park MHP Pws: frequently asked questions

Who runs A and R Union City Park MHP Pws?

A and R Union City Park MHP Pws (PWSID OH1900812) is a community water system owned by a local government. It is regulated by the OH state drinking water program.

How many people does A and R Union City Park MHP Pws serve?

A and R Union City Park MHP Pws reports serving 85 people through 41 service connections in Darke County, Ohio.

Where does A and R Union City Park MHP Pws get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does A and R Union City Park MHP Pws have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2024. 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 A and R Union City Park MHP 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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.

Where can I find A and R Union City Park MHP Pws' water quality report?

As a community water system, A and R Union City Park MHP 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
Greenville City PwsDarke13,227CommunitySurface water
Eldora Speedway Main Concessions PwsDarke3,007Transient non-communityGroundwater
Versailles Village PwsDarke2,687CommunityGroundwater
Arcanum Village PwsDarke2,100CommunityGroundwater
Bradford Village PwsDarke2,000CommunityGroundwater
Ansonia Village PwsDarke1,174CommunityGroundwater

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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, “A and R Union City Park MHP Pws, PWSID OH1900812, Ohio”, https://aquacensus.com/water-systems/ohio/a-and-r-union-city-park-mhp-pws-oh1900812 (data as of October 1, 2026).