PlainWater
States → Ohio

AQUA OHIO - ASHTABULA

PWS ID: OH0400711 · ASHTABULA, Ohio 44004

AQUA OHIO - ASHTABULA serves 32,408 people in ASHTABULA, Ohio using Surface Water water sources. It has 24 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: AQUA OHIO - ASHTABULA

AQUA OHIO - ASHTABULA is a private-owned community water system that delivers drinking water to 32,408 residents in ASHTABULA, Ohio (Ashtabula County) through 13,282 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 24 total violations for this system , of which 12 (50%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 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 12 violations (TT, health-based). 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. AQUA OHIO - ASHTABULA's 24 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
32,408
Total Violations
24
Health-Based Violations
12
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
13,282
County
Ashtabula
School/Daycare
No
MCL Violations
0
Monitoring Violations
9
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 12 2010
Surface Water Treatment Rule MR 7 2004
Coliform (TCR) MR 2 2008
Public Notice Other 2 2010
Consumer Confidence Rule Other 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/13/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/13/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 8/13/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/13/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 8/13/2024 <9 µg/L 9 µg/L Not Detected
PFBA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 8/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 5/15/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFDA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/15/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 5/15/2024 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 5/15/2024 <9 µg/L 9 µg/L Not Detected
PFPeA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/15/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/15/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 5/15/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/15/2024 <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 AQUA OHIO - ASHTABULA.

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 OH0400711 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 AQUA OHIO - ASHTABULA 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 1 SDWIS / OH0400711 / 7000
2010 Surface Water Treatment Rule TT 12 SDWIS / OH0400711 / 0200
2010 Public Notice Other 2 SDWIS / OH0400711 / 7500
2008 Coliform (TCR) MR 2 SDWIS / OH0400711 / 3100
2004 Surface Water Treatment Rule MR 7 SDWIS / OH0400711 / 0200

How AQUA OHIO - ASHTABULA Compares

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

Metric AQUA OHIO - ASHTABULA Ohio avg Federal benchmark
Total violations 24 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 32,408 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 AQUA OHIO - ASHTABULA water safe to drink? ▼
AQUA OHIO - ASHTABULA (PWS ID: OH0400711) has 24 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 32,408 people using Surface Water sources.
How many people does AQUA OHIO - ASHTABULA serve? ▼
AQUA OHIO - ASHTABULA serves 32,408 people in ASHTABULA, Ohio. It is a Private-owned system using Surface Water water sources with 13,282 service connections.
What type of violations does AQUA OHIO - ASHTABULA have? ▼
AQUA OHIO - ASHTABULA has 24 total violations: 12 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in AQUA OHIO - ASHTABULA water? ▼
No. AQUA OHIO - ASHTABULA was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does AQUA OHIO - ASHTABULA use? ▼
AQUA OHIO - ASHTABULA 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

Water in Ohio

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Ohio

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

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