Public water system · OH1600612

Active

Warsaw Pws

At a glance

Warsaw Pws (PWSID OH1600612) is an active community water system in Coshocton County, Ohio. It reports serving 782 people through 320 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026.

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

Population served

782

Service connections

320

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDOH1600612

System typeCommunity water system

Activity statusActive

Population served782

Service connections320

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyOH state drinking water program

City served—

StateOhio

ZIP—

CountyCoshocton County

How does Warsaw Pws compare with other water systems in Coshocton County?

By EPA's size categories, Warsaw Pws is a small system (501 to 3,300 people). Coshocton County has 30 active public water systems, and Warsaw Pws is the 3rd-largest of them by population served. Its population served is about 18% above the county average of 663 people per system, and accounts for 3.9% of the 19,883 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 Warsaw 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 Warsaw Pws?

EPA lists Warsaw Pws 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. 30 of the 30 active systems in Coshocton County (100%) are also privately owned.

Does Warsaw Pws have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between July 2002 and January 2026. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other, 1 reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 9 as resolved and 3 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
2025-07-02	ReportingNotification, Known or Potential LSL · code 4H	Lead and Copper Rule Revisionscode 5200	No	Unaddressed
2020-01-13	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Unaddressed
2019-10-17	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2018-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2012-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-11-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2010-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2010-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2008-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2003-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2002-07-01	Monitoring and reportingMonitoring, Regular · code 03	Carbon tetrachloridecode 2982	No	Resolved

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.

Warsaw Pws: frequently asked questions

Who runs Warsaw Pws?

Warsaw Pws (PWSID OH1600612) is a community water system privately owned. It is regulated by the OH state drinking water program.

How many people does Warsaw Pws serve?

Warsaw Pws reports serving 782 people through 320 service connections in Coshocton County, Ohio.

Where does Warsaw 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 Warsaw Pws have any drinking water violations?

Of the 12 most recent violations in EPA's records, one 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 Warsaw 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, one 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 Warsaw Pws' water quality report?

As a community water system, Warsaw 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 Coshocton County

Water system	County	Population served	Type	Source
Coshocton Pws	Coshocton	13,537	Community	Groundwater
Muskingum Valley Scout	Coshocton	3,000	Transient non-community	Groundwater
Cleveland Cliffs Coshocton Works	Coshocton	418	Non-transient non-community	Groundwater
Ravens Glenn Winery Pws	Coshocton	200	Transient non-community	Groundwater
Fresno Bible Church	Coshocton	200	Transient non-community	Groundwater
Perry Chapel Baptist Church-New	Coshocton	200	Transient non-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, “Warsaw Pws, PWSID OH1600612, Ohio”, https://aquacensus.com/water-systems/ohio/warsaw-pws-oh1600612 (data as of October 1, 2026).