Public water system · OH2504012
ActiveJefferson Water and Sewer District Pws
At a glance
Jefferson Water and Sewer District Pws (PWSID OH2504012) is an active community water system in Franklin County, Ohio. It reports serving 11,294 people through 4,255 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 December 2021.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,294
Service connections
4,255
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Jefferson Water and Sewer District Pws compare with other water systems in Franklin County?
By EPA's size categories, Jefferson Water and Sewer District Pws is a large system (10,001 to 100,000 people). Franklin County has 90 active public water systems, and Jefferson Water and Sewer District Pws is the 6th-largest of them by population served. Its population served is about 32% below the county average of 16,670 people per system, and accounts for 0.8% of the 1,500,285 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 Jefferson Water and Sewer District Pws is about 68% 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. 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 Jefferson Water and Sewer District Pws?
EPA lists Jefferson Water and Sewer District 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. 71 of the 90 active systems in Franklin County (79%) are also privately owned.
Does Jefferson Water and Sewer District 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 December 2021. The violations listed here began between January 2000 and December 2021. By type: 8 monitoring and reporting, 3 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-12-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-01-10 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2006-05-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2001-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | 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.
Jefferson Water and Sewer District Pws: frequently asked questions
Who runs Jefferson Water and Sewer District Pws?
Jefferson Water and Sewer District Pws (PWSID OH2504012) is a community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Jefferson Water and Sewer District Pws serve?
Jefferson Water and Sewer District Pws reports serving 11,294 people through 4,255 service connections in Franklin County, Ohio.
Where does Jefferson Water and Sewer District 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 Jefferson Water and Sewer District 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 December 2021. 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 Jefferson Water and Sewer District 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 December 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Jefferson Water and Sewer District Pws' water quality report?
As a community water system, Jefferson Water and Sewer District 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 Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Columbus Public Water System | Franklin | 1,305,946 | Community | Surface water |
| Westerville City Pws | Franklin | 39,000 | Community | Surface water |
| Reynoldsburg City Pws | Franklin | 37,847 | Community | Purchased surface water |
| Gahanna City Pws | Franklin | 33,258 | Community | Purchased surface water |
| Bexley City Pws | Franklin | 14,250 | Community | Purchased surface water |
| Canal Winchester City Pws | Franklin | 9,286 | 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, “Jefferson Water and Sewer District Pws, PWSID OH2504012, Ohio”, https://aquacensus.com/water-systems/ohio/jefferson-water-and-sewer-district-pws-oh2504012 (data as of October 1, 2026).