Public water system · OH3101703

Active

Norwood City Pws

At a glance

Norwood City Pws (PWSID OH3101703) is an active community water system in Hamilton County, Ohio. It reports serving 19,870 people through 6,839 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in November 2018.

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

Population served

19,870

Service connections

6,839

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDOH3101703

System typeCommunity water system

Activity statusActive

Population served19,870

Service connections6,839

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyOH state drinking water program

City served—

StateOhio

ZIP—

CountyHamilton County

How does Norwood City Pws compare with other water systems in Hamilton County?

By EPA's size categories, Norwood City Pws is a large system (10,001 to 100,000 people). Hamilton County has 26 active public water systems, and Norwood City Pws is the 2nd-largest of them by population served. Its population served is about 39% below the county average of 32,385 people per system, and accounts for 2.4% of the 842,012 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 Norwood City Pws is about 196% above 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 191 Ohio systems (5%) list purchased surface water as their primary source.

Who owns and regulates Norwood City Pws?

EPA lists Norwood 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. 9 of the 26 active systems in Hamilton County (35%) are also owned by a local government.

Does Norwood City Pws have drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in November 2018. The violations listed here began between July 1992 and November 2018. By type: 3 monitoring and reporting, 3 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as resolved and 1 as addressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2018-11-14	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Addressed
2008-02-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
1999-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1999-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1997-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1995-01-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
1992-07-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved

All 7 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.

Norwood City Pws: frequently asked questions

Who runs Norwood City Pws?

Norwood City Pws (PWSID OH3101703) is a community water system owned by a local government. It is regulated by the OH state drinking water program.

How many people does Norwood City Pws serve?

Norwood City Pws reports serving 19,870 people through 6,839 service connections in Hamilton County, Ohio.

Where does Norwood City Pws get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Norwood City Pws have any drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in November 2018. 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 Norwood 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 7 violations for this system; 3 are health-based, and the most recent began in November 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.

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

As a community water system, Norwood 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 Hamilton County

Water system	County	Population served	Type	Source
Cincinnati Public Water System	Hamilton	750,200	Community	Surface water
Indian Hill City Pws	Hamilton	15,000	Community	Groundwater
Harrison City Pws	Hamilton	11,600	Community	Groundwater
Wyoming City Pws	Hamilton	9,700	Community	Groundwater
Reading City Pws	Hamilton	9,506	Community	Purchased surface water
Cleves Village Pws	Hamilton	6,000	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, “Norwood City Pws, PWSID OH3101703, Ohio”, https://aquacensus.com/water-systems/ohio/norwood-city-pws-oh3101703 (data as of October 1, 2026).