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CARROLL WATER AND SEWER

PWS ID: OH6205111 · OAK HARBER, Ohio 43449-9013

CARROLL WATER AND SEWER serves 2,288 people in OAK HARBER, Ohio using Surface Water water sources. It has 31 recorded EPA violations, including 8 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CARROLL WATER AND SEWER

CARROLL WATER AND SEWER is a local-owned community water system that delivers drinking water to 2,288 residents in OAK HARBER, Ohio (Ottawa County) through 1,436 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 8 (26%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Simazine, recorded in 4 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. CARROLL WATER AND SEWER's 31 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
2,288
Total Violations
31
Health-Based Violations
8
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,436
County
Ottawa
School/Daycare
No
MCL Violations
8
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Simazine MR 4 2002
LASSO MR 4 2002
E. COLI MR 4 2017
Atrazine MR 4 2002
TTHM MCL 4 2015
CYANIDE MR 4 1999
Total Haloacetic Acids (HAA5) MCL 4 2005
Consumer Confidence Rule Other 3 2024

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 CARROLL WATER AND SEWER.

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 OH6205111 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 CARROLL WATER AND SEWER 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
2024 Consumer Confidence Rule Other 3 SDWIS / OH6205111 / 7000
2017 E. COLI MR 4 SDWIS / OH6205111 / 3014
2015 TTHM MCL 4 SDWIS / OH6205111 / 2950
2005 Total Haloacetic Acids (HAA5) MCL 4 SDWIS / OH6205111 / 2456
2002 Simazine MR 4 SDWIS / OH6205111 / 2037
2002 LASSO MR 4 SDWIS / OH6205111 / 2051
2002 Atrazine MR 4 SDWIS / OH6205111 / 2050
1999 CYANIDE MR 4 SDWIS / OH6205111 / 1024

How CARROLL WATER AND SEWER Compares

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

Metric CARROLL WATER AND SEWER Ohio avg Federal benchmark
Total violations 31 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 8 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 2,288 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 CARROLL WATER AND SEWER water safe to drink?
CARROLL WATER AND SEWER (PWS ID: OH6205111) has 31 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,288 people using Surface Water sources.
How many people does CARROLL WATER AND SEWER serve?
CARROLL WATER AND SEWER serves 2,288 people in OAK HARBER, Ohio. It is a Local-owned system using Surface Water water sources with 1,436 service connections.
What type of violations does CARROLL WATER AND SEWER have?
CARROLL WATER AND SEWER has 31 total violations: 8 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CARROLL WATER AND SEWER water?
No PFAS testing data is available for CARROLL WATER AND SEWER under the EPA's UCMR5 monitoring program.
What water source does CARROLL WATER AND SEWER use?
CARROLL WATER AND SEWER 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

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