Public water system · OH3301212

Active

Hillcrest Estates Mobile Home Court

At a glance

Hillcrest Estates Mobile Home Court (PWSID OH3301212) is an active community water system in Hardin County, Ohio. It reports serving 49 people through 30 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDOH3301212

System typeCommunity water system

Activity statusActive

Population served49

Service connections30

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyOH state drinking water program

City served—

StateOhio

ZIP—

CountyHardin County

How does Hillcrest Estates Mobile Home Court compare with other water systems in Hardin County?

By EPA's size categories, Hillcrest Estates Mobile Home Court is a very small system (500 people or fewer). Hardin County has 31 active public water systems. Its population served is well below the county average of 664 people per system, and accounts for 0.2% of the 20,571 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 Hillcrest Estates Mobile Home Court 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 Hillcrest Estates Mobile Home Court?

EPA lists Hillcrest Estates Mobile Home Court as privately owned. 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. 24 of the 31 active systems in Hardin County (77%) are also privately owned.

Does Hillcrest Estates Mobile Home Court have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between June 1989 and January 2026. By type: 5 monitoring and reporting and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 8 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.

Began	Violation	Contaminant or rule	Health-based	Status
2026-01-21	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Unaddressed
2013-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2013-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2009-12-31	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2004-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2003-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2001-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
1992-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1989-06-23	Monitoring and reportingMonitoring, Regular · code 03	Gross alpha (excluding radon and uranium)code 4000	No	Resolved

All 9 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.

Hillcrest Estates Mobile Home Court: frequently asked questions

Who runs Hillcrest Estates Mobile Home Court?

Hillcrest Estates Mobile Home Court (PWSID OH3301212) is a community water system privately owned. It is regulated by the OH state drinking water program.

How many people does Hillcrest Estates Mobile Home Court serve?

Hillcrest Estates Mobile Home Court reports serving 49 people through 30 service connections in Hardin County, Ohio.

Where does Hillcrest Estates Mobile Home Court 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 Hillcrest Estates Mobile Home Court have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in January 2026. 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 Hillcrest Estates Mobile Home Court's 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 9 violations for this system; none is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.

Where can I find Hillcrest Estates Mobile Home Court's water quality report?

As a community water system, Hillcrest Estates Mobile Home Court 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 Hardin County

Water system	County	Population served	Type	Source
Kenton City	Hardin	8,360	Community	Groundwater
Ada Village	Hardin	5,334	Community	Groundwater
Forest Village	Hardin	1,354	Community	Groundwater
Alger Village Pws	Hardin	943	Community	Groundwater
Dunkirk Village Pws	Hardin	875	Community	Groundwater
Mcguffey Village Pws	Hardin	710	Community	Groundwater

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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, “Hillcrest Estates Mobile Home Court, PWSID OH3301212, Ohio”, https://aquacensus.com/water-systems/ohio/hillcrest-estates-mobile-home-court-oh3301212 (data as of October 1, 2026).