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Community Water System · PWS OH7800512

Cortland City PWS

Cortland, Ohio 44410 - drinking water served from groundwater sources to 7,105 people, tracked in EPA SDWIS and UCMR5.

7,105
People served
130
EPA violations
4
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 130 drinking-water violations at Cortland City PWS, 3% of them health-based - above the Ohio per-system average.

130
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
7,105
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cortland City PWS

Cortland City PWS is a local-owned community water system that delivers drinking water to 7,105 residents in Cortland, Ohio (Trumbull County) through 2,949 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 130 total violations for this system , of which 4 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 123 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Methoxychlor, recorded in 4 violations (MR). 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. Statewide, 204 of 346 UCMR5-tested systems have reported PFAS detections (59%).

Cortland City PWS's 130 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
7,105
Total Violations
130
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,949
County
Trumbull
School/Daycare
No
MCL Violations
0
Monitoring Violations
123
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Methoxychlor MR 4 1997
Endothall MR 4 1997
Glyphosate MR 4 1997
Di(2-ethylhexyl) adipate MR 4 1997
Picloram MR 4 1997
Carbofuran MR 4 1997
2,4-D MR 4 1997
Benzo(a)pyrene MR 4 1997
Pentachlorophenol MR 4 1997
Groundwater Rule TT 4 2022
OXAMYL MR 4 1997
BHC-GAMMA MR 4 1997
Di(2-ethylhexyl) phthalate MR 4 1997
Nitrate MR 4 1997
Diquat MR 4 1997
Total Polychlorinated Biphenyls (PCB) MR 4 1997
Xylenes, Total MR 3 1997
Benzene MR 3 1997
Tetrachloroethylene MR 3 1997
Ethylbenzene MR 3 1997
1,1-Dichloroethylene MR 3 1997
Carbon tetrachloride MR 3 1997
Trichloroethylene MR 3 1997
Toluene MR 3 1997
trans-1,2-Dichloroethylene MR 3 1997
1,1,2-Trichloroethane MR 3 1997
cis-1,2-Dichloroethylene MR 3 1997
CHLOROBENZENE MR 3 1997
1,1,1-Trichloroethane MR 3 1997
1,2-Dichloropropane MR 3 1997

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 9/18/2023 <20.00 ppt 20.00 ppt Not Detected
HFPO-DA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
PFEESA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/18/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 9/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFBS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
6:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFBS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/18/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/18/2023 <3.00 ppt 3.00 ppt 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 Cortland City PWS.

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 OH7800512 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 Cortland City PWS 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
2023 Consumer Confidence Rule Other 2 SDWIS / OH7800512 / 7000
2022 Groundwater Rule TT 4 SDWIS / OH7800512 / 0700
1997 Methoxychlor MR 4 SDWIS / OH7800512 / 2015
1997 Endothall MR 4 SDWIS / OH7800512 / 2033
1997 Glyphosate MR 4 SDWIS / OH7800512 / 2034
1997 Di(2-ethylhexyl) adipate MR 4 SDWIS / OH7800512 / 2035
1997 Picloram MR 4 SDWIS / OH7800512 / 2040
1997 Carbofuran MR 4 SDWIS / OH7800512 / 2046
1997 2,4-D MR 4 SDWIS / OH7800512 / 2105
1997 Benzo(a)pyrene MR 4 SDWIS / OH7800512 / 2306
1997 Pentachlorophenol MR 4 SDWIS / OH7800512 / 2326
1997 OXAMYL MR 4 SDWIS / OH7800512 / 2036
1997 BHC-GAMMA MR 4 SDWIS / OH7800512 / 2010
1997 Di(2-ethylhexyl) phthalate MR 4 SDWIS / OH7800512 / 2039
1997 Nitrate MR 4 SDWIS / OH7800512 / 1040

How Cortland City PWS Compares

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

Metric Cortland City PWS Ohio avg Federal benchmark
Total violations 130 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 7,105 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 Cortland City PWS water safe to drink? ▼
Cortland City PWS (PWS ID: OH7800512) has 130 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 7,105 people using Groundwater sources.
How many people does Cortland City PWS serve? ▼
Cortland City PWS serves 7,105 people in Cortland, Ohio. It is a Local-owned system using Groundwater water sources with 2,949 service connections.
What type of violations does Cortland City PWS have? ▼
Cortland City PWS has 130 total violations: 4 health-based violations (MCL exceedances or treatment failures), 123 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cortland City PWS water? ▼
No. Cortland City PWS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Cortland City PWS use? ▼
Cortland City PWS 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. 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.

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.