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Community Water System · PWS OH7400712

Fostoria Mobile Estates

Fostoria, Ohio 44830 - drinking water served from groundwater sources to 281 people, tracked in EPA SDWIS and UCMR5.

281
People served
1,067
EPA violations
89
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,067 drinking-water violations at Fostoria Mobile Estates, 8% of them health-based - above the Ohio per-system average.

1,067
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
281
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Fostoria Mobile Estates

Fostoria Mobile Estates is a private-owned community water system that delivers drinking water to 281 residents in Fostoria, Ohio (Seneca County) through 97 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,067 total violations for this system , of which 89 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 949 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 174 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. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%).

Fostoria Mobile Estates's 1,067 violations sit above the Ohio average.

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
281
Total Violations
1,067
Health-Based Violations
89
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
97
County
Seneca
School/Daycare
No
MCL Violations
86
Monitoring Violations
949
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 174 2014
Arsenic MCL 63 2012
Arsenic MR 50 2011
Nitrate MR 28 2010
Coliform (TCR) MCL 23 2008
Consumer Confidence Rule Other 21 2021
Lead and Copper Rule MR 18 2012
Fluoride MR 15 2008
Xylenes, Total MR 15 2008
1,1,1-Trichloroethane MR 15 2008
1,2,4-Trichlorobenzene MR 15 2008
Vinyl chloride MR 15 2008
Ethylbenzene MR 15 2008
1,1-Dichloroethylene MR 15 2008
Trichloroethylene MR 15 2008
Toluene MR 15 2008
Styrene MR 15 2008
trans-1,2-Dichloroethylene MR 15 2008
o-Dichlorobenzene MR 15 2008
p-Dichlorobenzene MR 15 2008
1,1,2-Trichloroethane MR 15 2008
cis-1,2-Dichloroethylene MR 15 2008
1,2-Dichloropropane MR 15 2008
DICHLOROMETHANE MR 15 2008
CHLOROBENZENE MR 15 2008
1,2-Dichloroethane MR 15 2008
Carbon tetrachloride MR 15 2008
Tetrachloroethylene MR 15 2008
Benzene MR 15 2008
Cadmium MR 14 2008

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 Fostoria Mobile Estates.

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 OH7400712 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 Fostoria Mobile Estates 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
2021 Consumer Confidence Rule Other 21 SDWIS / OH7400712 / 7000
2017 Revised Total Coliform Rule MON 4 SDWIS / OH7400712 / 8000
2017 Groundwater Rule TT 3 SDWIS / OH7400712 / 0700
2014 Coliform (TCR) MR 174 SDWIS / OH7400712 / 3100
2013 E. COLI MR 9 SDWIS / OH7400712 / 3014
2012 Arsenic MCL 63 SDWIS / OH7400712 / 1005
2012 Lead and Copper Rule MR 18 SDWIS / OH7400712 / 5000
2011 Arsenic MR 50 SDWIS / OH7400712 / 1005
2010 Nitrate MR 28 SDWIS / OH7400712 / 1040
2008 Coliform (TCR) MCL 23 SDWIS / OH7400712 / 3100
2008 Fluoride MR 15 SDWIS / OH7400712 / 1025
2008 Xylenes, Total MR 15 SDWIS / OH7400712 / 2955
2008 1,1,1-Trichloroethane MR 15 SDWIS / OH7400712 / 2981
2008 1,2,4-Trichlorobenzene MR 15 SDWIS / OH7400712 / 2378
2008 Vinyl chloride MR 15 SDWIS / OH7400712 / 2976

How Fostoria Mobile Estates Compares

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

Metric Fostoria Mobile Estates Ohio avg Federal benchmark
Total violations 1,067 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 89 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 281 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Fostoria Mobile Estates water safe to drink? ▼
Fostoria Mobile Estates (PWS ID: OH7400712) has 1067 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 281 people using Groundwater sources.
How many people does Fostoria Mobile Estates serve? ▼
Fostoria Mobile Estates serves 281 people in Fostoria, Ohio. It is a Private-owned system using Groundwater water sources with 97 service connections.
What type of violations does Fostoria Mobile Estates have? ▼
Fostoria Mobile Estates has 1,067 total violations: 89 health-based violations (MCL exceedances or treatment failures), 949 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Fostoria Mobile Estates water? ▼
No PFAS testing data is available for Fostoria Mobile Estates under the EPA's UCMR5 monitoring program.
What water source does Fostoria Mobile Estates use? ▼
Fostoria Mobile Estates 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.