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NORTHERN OHIO RURAL WATER

PWS ID: OH3902403 · NORWALK, Ohio 44857-9521

NORTHERN OHIO RURAL WATER serves 18,224 people in NORWALK, Ohio using Surface Water water sources. It has 1 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NORTHERN OHIO RURAL WATER

NORTHERN OHIO RURAL WATER is a local-owned community water system that delivers drinking water to 18,224 residents in NORWALK, Ohio (Huron County) through 7,912 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 1 violation (Other). 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. NORTHERN OHIO RURAL WATER's 1 violations sit below 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
18,224
Total Violations
1
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
7,912
County
Huron
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 1 2019

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 480 samples detected PFAS.

Contaminant Date Result MRL Status
PFUnA 7/1/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 7/1/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 7/1/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 7/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 7/1/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/1/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/1/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 7/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/1/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/1/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/1/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/1/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 6/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
11Cl-PF3OUdS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/10/2024 <9 µg/L 9 µg/L Not Detected
ADONA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/10/2024 <0.003 µg/L 0.003 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 NORTHERN OHIO RURAL WATER.

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 OH3902403 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 NORTHERN OHIO RURAL WATER 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
2019 Consumer Confidence Rule Other 1 SDWIS / OH3902403 / 7000

How NORTHERN OHIO RURAL WATER Compares

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

Metric NORTHERN OHIO RURAL WATER Ohio avg Federal benchmark
Total violations 1 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 18,224 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 NORTHERN OHIO RURAL WATER water safe to drink? ▼
NORTHERN OHIO RURAL WATER (PWS ID: OH3902403) has 1 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 18,224 people using Surface Water sources.
How many people does NORTHERN OHIO RURAL WATER serve? ▼
NORTHERN OHIO RURAL WATER serves 18,224 people in NORWALK, Ohio. It is a Local-owned system using Surface Water water sources with 7,912 service connections.
What type of violations does NORTHERN OHIO RURAL WATER have? ▼
NORTHERN OHIO RURAL WATER has 1 total violations: 0 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NORTHERN OHIO RURAL WATER water? ▼
No. NORTHERN OHIO RURAL WATER was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does NORTHERN OHIO RURAL WATER use? ▼
NORTHERN OHIO RURAL WATER uses Surface Water 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