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FREMONT CITY

PWS ID: OH7200311 · FREMONT, Ohio 43420

FREMONT CITY serves 18,319 people in FREMONT, Ohio using Surface Water water sources. It has 228 recorded EPA violations, including 181 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: FREMONT CITY

FREMONT CITY is a local-owned community water system that delivers drinking water to 18,319 residents in FREMONT, Ohio (Sandusky County) through 7,800 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 228 total violations for this system , of which 181 (79%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 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 Surface Water Treatment Rule, recorded in 99 violations (TT, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 14 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. FREMONT CITY's 228 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
18,319
Total Violations
228
Health-Based Violations
181
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
7,800
County
Sandusky
School/Daycare
No
MCL Violations
82
Monitoring Violations
41
Treatment Tech Violations
99

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 99 1995
Nitrate MCL 82 2010
Surface Water Treatment Rule MR 10 1994
Simazine MR 8 2005
Atrazine MR 8 2005
LASSO MR 8 2005
Interim Enhanced Surface Water Treatment Rule MR 7 2007
Consumer Confidence Rule Other 4 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/1/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/1/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/1/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 7/1/2025 <9 µg/L 9 µg/L Not Detected
PFMPA 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/1/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/1/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/1/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/1/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/1/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 7/1/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/2/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/2/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/2/2025 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 4/2/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 4/2/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 4/2/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 4/2/2025 <0.008 µg/L 0.008 µg/L Not Detected
lithium 4/2/2025 <9 µg/L 9 µg/L Not Detected
PFPeS 4/2/2025 <0.004 µg/L 0.004 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 FREMONT CITY.

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 OH7200311 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 FREMONT CITY 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 4 SDWIS / OH7200311 / 7000
2010 Nitrate MCL 82 SDWIS / OH7200311 / 1040
2007 Interim Enhanced Surface Water Treatment Rule MR 7 SDWIS / OH7200311 / 0300
2005 Simazine MR 8 SDWIS / OH7200311 / 2037
2005 Atrazine MR 8 SDWIS / OH7200311 / 2050
2005 LASSO MR 8 SDWIS / OH7200311 / 2051
1995 Surface Water Treatment Rule TT 99 SDWIS / OH7200311 / 0200
1994 Surface Water Treatment Rule MR 10 SDWIS / OH7200311 / 0200

How FREMONT CITY Compares

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

Metric FREMONT CITY Ohio avg Federal benchmark
Total violations 228 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 181 12.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 59% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 18,319 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 FREMONT CITY water safe to drink? ▼
FREMONT CITY (PWS ID: OH7200311) has 228 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 18,319 people using Surface Water sources.
How many people does FREMONT CITY serve? ▼
FREMONT CITY serves 18,319 people in FREMONT, Ohio. It is a Local-owned system using Surface Water water sources with 7,800 service connections.
What type of violations does FREMONT CITY have? ▼
FREMONT CITY has 228 total violations: 181 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 99 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in FREMONT CITY water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in FREMONT CITY's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does FREMONT CITY use? ▼
FREMONT CITY 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