Public water system · OH7803811
ActiveWarren City Pws
At a glance
Warren City Pws (PWSID OH7803811) is an active community water system in Trumbull County, Ohio. It reports serving 49,130 people through 22,807 service connections. Its primary water source is surface water, 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 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
49,130
Service connections
22,807
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Warren City Pws compare with other water systems in Trumbull County?
By EPA's size categories, Warren City Pws is a large system (10,001 to 100,000 people). Trumbull County has 79 active public water systems, and Warren City Pws is the largest of them by population served. Its population served is about 25 times the county average of 1,977 people per system, and accounts for 31% of the 156,184 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 Warren City Pws is about 7.3 times 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 Warren City Pws?
EPA lists Warren 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. 17 of the 79 active systems in Trumbull County (22%) are also owned by a local government.
Does Warren City 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 2023. The violations listed here began between July 2000 and July 2023. By type: 10 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-01-01 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2004-06-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2004-06-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2004-06-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2003-04-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | 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.
Warren City Pws: frequently asked questions
Who runs Warren City Pws?
Warren City Pws (PWSID OH7803811) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Warren City Pws serve?
Warren City Pws reports serving 49,130 people through 22,807 service connections in Trumbull County, Ohio.
Where does Warren 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 Warren City 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 2023. 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 Warren 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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Warren City Pws' water quality report?
As a community water system, Warren 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 Trumbull County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Niles City Pws | Trumbull | 21,961 | Community | Purchased surface water |
| Girard City | Trumbull | 14,122 | Community | Purchased surface water |
| Trumbull Co. - Southeast Pws | Trumbull | 9,931 | Community | Purchased surface water |
| Hubbard City Pws | Trumbull | 8,518 | Community | Purchased surface water |
| Trumbull Co. - Bazetta/Champion | Trumbull | 8,270 | Community | Purchased surface water |
| Cortland City Pws | Trumbull | 7,105 | 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, “Warren City Pws, PWSID OH7803811, Ohio”, https://aquacensus.com/water-systems/ohio/warren-city-pws-oh7803811 (data as of October 1, 2026).