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Counties → Ohio

Lorain County, Ohio

Water Systems
17
Population Served
330,150
Total Violations
1,534
323 health-based
PFAS Detected
2
of 11 tested

Violation Analysis

100.0%
Systems with Violations
90.2
Avg Violations per System
21.1%
Health-Based Violations

Water Source Types

SW
16 systems (94%)
GW
1 system (6%)

PFAS Contamination

11
Systems Tested
2
PFAS Detected
18.2%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Lorain Ohio water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (17)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Rural Lorain Co. Water A 73,125 21 Detected
Elyria Water Department 68,000 74 Clean
Lorain City PWS 64,152 83 Clean
North Ridgeville City PWS 29,465 11 Clean
Avon City PWS 23,800 14 Clean
Avon Lake City PWS 23,659 21 Clean
Amherst City PWS 11,797 9 Clean
Sheffield Lake City PWS 9,108 11 Clean
Oberlin Water Department 8,600 32 Detected
Wellington Village PWS 4,802 79 Clean
Sheffield Village PWS 4,165 20 Clean
Grafton Village PWS 2,769 526 -
Lagrange Village PWS 2,400 35 -
South Amherst Village PWS 1,688 487 -
Pheasant Run Association PWS 1,550 58 -
Pine Ridge MHP 570 25 -
Autorama Twin Theater 500 28 -

Other Counties in Ohio

Franklin County
96 systems · 1,503,985 served · 5,342 violations
Cuyahoga County
11 systems · 1,410,751 served · 1,166 violations
Hamilton County
28 systems · 842,267 served · 1,480 violations
Montgomery County
74 systems · 529,379 served · 4,724 violations
Summit County
214 systems · 467,695 served · 17,163 violations
Lucas County
46 systems · 433,198 served · 3,569 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Lorain County? ▼
Lorain County has 1,534 total drinking water violations across 17 water systems, of which 323 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Lorain County systems? ▼
Water systems in Lorain County serve approximately 330,150 people through 17 public water systems.
Has PFAS been detected in Lorain County water? ▼
Of 11 water systems tested for PFAS in Lorain County, 2 had PFAS detected (18.2% detection rate).
What types of water sources supply Lorain County? ▼
Water systems in Lorain County use SW (16 systems), GW (1 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 21.1% of Lorain County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

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 page draws directly on 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.