Public water system · OH4505412
ActiveLicking Regional Water District
At a glance
Licking Regional Water District (PWSID OH4505412) is an active community water system in Licking County, Ohio. It reports serving 17,818 people through 7,054 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 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
17,818
Service connections
7,054
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Licking Regional Water District compare with other water systems in Licking County?
By EPA's size categories, Licking Regional Water District is a large system (10,001 to 100,000 people). Licking County has 79 active public water systems, and Licking Regional Water District is the 2nd-largest of them by population served. Its population served is about 11 times the county average of 1,596 people per system, and accounts for 14% of the 126,099 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 Licking Regional Water District is about 166% 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 Licking Regional Water District?
EPA lists Licking Regional Water District 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. 68 of the 79 active systems in Licking County (86%) are also privately owned.
Does Licking Regional Water District 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 2010. The violations listed here began between April 1996 and January 2010. By type: 11 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Stage 2 Disinfectants and Disinfection Byproducts Rule, E. coli, Haloacetic acids (HAA5) and Total trihalomethanes (TTHM). 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 |
|---|---|---|---|---|
| 2010-01-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2007-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2002-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2000-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 1999-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | 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.
Licking Regional Water District: frequently asked questions
Who runs Licking Regional Water District?
Licking Regional Water District (PWSID OH4505412) is a community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Licking Regional Water District serve?
Licking Regional Water District reports serving 17,818 people through 7,054 service connections in Licking County, Ohio.
Where does Licking Regional Water District 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 Licking Regional Water District 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 2010. 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 Licking Regional Water District'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2010. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Licking Regional Water District's water quality report?
As a community water system, Licking Regional Water District 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 Licking County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Newark City Pws | Licking | 49,934 | Community | Surface water |
| City of Heath Pws | Licking | 10,310 | Community | Groundwater |
| Pataskala City | Licking | 9,900 | Community | Groundwater |
| Granville, Village of | Licking | 5,946 | Community | Groundwater |
| Johnstown City Pws | Licking | 5,200 | Community | Groundwater |
| Licking County Harbor Hills Pws | Licking | 3,415 | Community | Purchased 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, “Licking Regional Water District, PWSID OH4505412, Ohio”, https://aquacensus.com/water-systems/ohio/licking-regional-water-district-oh4505412 (data as of October 1, 2026).