Lorain County, Ohio
16 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Lorain County earns a high water safety grade — 16 ZIP codes tracked, virtually all compliant.
How Lorain County Compares
How Lorain County Compares
Lorain County scores 10 points above the Ohio state average (60/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Lorain County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.1 (asthma 11%, diabetes 14.1%)
Estimated additional annual cost per homeowner: $2,221, driven primarily by flood
Infrastructure: 0.363% avg pipe failure probability, 33% of ZIPs at high risk
66.3% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,221
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
136,800 housing units in Lorain County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Lorain County
Remediation costs are relatively manageable for most homeowners in Lorain County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Lorain County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Lorain County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Rural Lorain Company Water a | 73,125 | 17 |
| 2 | Oberlin Water Department | 8,600 | 13 |
| 3 | Lagrange Village Public Water System | 2,400 | 13 |
| 4 | Pheasant Run Association Public Water System | 1,550 | 13 |
| 5 | Grafton Village Public Water System | 2,769 | 12 |
16 total water systems serve Lorain County.
All ZIP Codes in Lorain County
16 ZIP codes tracked in Lorain County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 44090 | Wellington | 83 | B | 1 | $230K |
| 2 | 44052 | Lorain | 81 | B | 1 | $104K |
| 3 | 44001 | Amherst | 78 | B | 1 | $221K |
| 4 | 44011 | Avon | 78 | B | 0 | $377K |
| 5 | 44054 | Sheffield Lake | 78 | B | 0 | $178K |
| 6 | 44028 | Columbia Station | 76 | B | 1 | $313K |
| 7 | 44044 | Grafton | 76 | B | 1 | $231K |
| 8 | 44055 | Lorain | 76 | B | 1 | $96K |
| 9 | 44050 | Lagrange | 73 | B | 11 (5 health) | $258K |
| 10 | 44053 | Lorain | 71 | B | 1 | $190K |
| 11 | 44012 | Avon Lake | 70 | B | 0 | $337K |
| 12 | 44039 | North Ridgeville | 65 | C | 0 | $255K |
| 13 | 44074 | Oberlin | 55 | C | 0 | $229K |
| 14 | 44140 | Bay Village | 55 | C | 0 | $333K |
| 15 | 44036 | Elyria | 53 | D | 0 | — |
| 16 | 44035 | Elyria | 50 | D | 0 | $148K |
Recommended Buyer Guides for Lorain County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 66.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Lorain County, Ohio
Overview
Lorain County in Ohio covers 16 ZIP codes with an average Home Safety Score of B (70/100).
8 of 16 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.
← Back to Ohio water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.