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LICKING REGIONAL WATER DISTRICT

PWS ID: OH4505412 · BALTIMORE, Ohio 43105

LICKING REGIONAL WATER DISTRICT serves 17,818 people in BALTIMORE, Ohio using Groundwater water sources. It has 138 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LICKING REGIONAL WATER DISTRICT

LICKING REGIONAL WATER DISTRICT is a private-owned community water system that delivers drinking water to 17,818 residents in BALTIMORE, Ohio (Licking County) through 7,054 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 138 total violations for this system , of which 3 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 135 monitoring and reporting violations are on file. The most recent violation on record dates to 2010.

The most frequently cited contaminant at this system is LASSO, recorded in 4 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Ohio, EPA tracks 4,181 public water systems serving 11,085,226 people, with 288,388 cumulative violations and 52,412 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. LICKING REGIONAL WATER DISTRICT's 138 violations sit above the Ohio average. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
17,818
Total Violations
138
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
7,054
County
Licking
School/Daycare
No
MCL Violations
3
Monitoring Violations
135
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
LASSO MR 4 2005
Nitrate MR 4 1999
1,2-Dichloropropane MR 4 1996
CHLOROBENZENE MR 4 1996
Benzene MR 4 1996
1,2,4-Trichlorobenzene MR 4 1996
DICHLOROMETHANE MR 4 1996
Ethylbenzene MR 4 1996
1,1-Dichloroethylene MR 4 1996
Trichloroethylene MR 4 1996
cis-1,2-Dichloroethylene MR 4 1996
Lead and Copper Rule MR 4 2007
E. COLI MR 4 2010
trans-1,2-Dichloroethylene MR 4 1996
Vinyl chloride MR 4 1996
Carbon tetrachloride MR 4 1996
Toluene MR 4 1996
1,2-Dichloroethane MR 4 1996
Simazine MR 4 2005
Xylenes, Total MR 4 1996
1,1,1-Trichloroethane MR 4 1996
1,1,2-Trichloroethane MR 4 1996
Atrazine MR 4 2005
Styrene MR 4 1996
Tetrachloroethylene MR 4 1996
o-Dichlorobenzene MR 4 1996
p-Dichlorobenzene MR 4 1996
Endrin MR 3 1992
BHC-GAMMA MR 3 1992
Gross Alpha, Excl. Radon and U MR 3 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
lithium 8/14/2024 <9 µg/L 9 µg/L Not Detected
PFTA 8/14/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/14/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFDA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/14/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHxA 8/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 2/18/2025 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 2/18/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 2/18/2025 <9 µg/L 9 µg/L Not Detected
PFHpS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 2/18/2025 <0.007 µg/L 0.007 µg/L Not Detected
NFDHA 2/18/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFDoA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for LICKING REGIONAL WATER DISTRICT.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OH4505412 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Ohio Drinking Water Authority

Ohio EPA — Division of Drinking and Ground Waters is the primacy agency that licenses and inspects LICKING REGIONAL WATER DISTRICT under EPA-delegated authority.

Open OH regulator portal

Source: Ohio EPA — Division of Drinking and Ground Waters

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2010 E. COLI MR 4 SDWIS / OH4505412 / 3014
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / OH4505412 / 0600
2008 Total Haloacetic Acids (HAA5) MR 2 SDWIS / OH4505412 / 2456
2008 TTHM MR 2 SDWIS / OH4505412 / 2950
2007 Lead and Copper Rule MR 4 SDWIS / OH4505412 / 5000
2005 LASSO MR 4 SDWIS / OH4505412 / 2051
2005 Simazine MR 4 SDWIS / OH4505412 / 2037
2005 Atrazine MR 4 SDWIS / OH4505412 / 2050
2002 Coliform (TCR) MCL 3 SDWIS / OH4505412 / 3100
2000 Gross Alpha, Excl. Radon and U MR 3 SDWIS / OH4505412 / 4000
1999 Nitrate MR 4 SDWIS / OH4505412 / 1040
1996 1,2-Dichloropropane MR 4 SDWIS / OH4505412 / 2983
1996 CHLOROBENZENE MR 4 SDWIS / OH4505412 / 2989
1996 Benzene MR 4 SDWIS / OH4505412 / 2990
1996 1,2,4-Trichlorobenzene MR 4 SDWIS / OH4505412 / 2378

How LICKING REGIONAL WATER DISTRICT Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric LICKING REGIONAL WATER DISTRICT Ohio avg Federal benchmark
Total violations 138 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 59% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 17,818 2,651 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,181 regulated public water systems in Ohio.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is LICKING REGIONAL WATER DISTRICT water safe to drink? ▼
LICKING REGIONAL WATER DISTRICT (PWS ID: OH4505412) has 138 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 17,818 people using Groundwater sources.
How many people does LICKING REGIONAL WATER DISTRICT serve? ▼
LICKING REGIONAL WATER DISTRICT serves 17,818 people in BALTIMORE, Ohio. It is a Private-owned system using Groundwater water sources with 7,054 service connections.
What type of violations does LICKING REGIONAL WATER DISTRICT have? ▼
LICKING REGIONAL WATER DISTRICT has 138 total violations: 3 health-based violations (MCL exceedances or treatment failures), 135 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LICKING REGIONAL WATER DISTRICT water? ▼
No. LICKING REGIONAL WATER DISTRICT was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does LICKING REGIONAL WATER DISTRICT use? ▼
LICKING REGIONAL WATER DISTRICT uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial