Ashtabula County, Ohio
19 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03
Ashtabula County shows moderate water quality across its 19 ZIP codes — some areas carry violations worth monitoring.
How Ashtabula County Compares
How Ashtabula County Compares
Ashtabula County scores 6 points above the Ohio state average (60/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Ashtabula County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.2 (asthma 11.2%, diabetes 15.8%)
Estimated additional annual cost per homeowner: $1,354, driven primarily by flood
Infrastructure: 0.381% avg pipe failure probability, 28% of ZIPs at high risk
72.1% 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: $1,354
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
56,365 housing units in Ashtabula 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 Ashtabula County
Remediation costs are relatively manageable for most homeowners in Ashtabula 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 Ashtabula 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 Ashtabula County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Rock Creek Village | 667 | 15 |
| 2 | Andover-camplands Water | 6,009 | 6 |
| 3 | Andover Village Public Water System | 1,019 | 6 |
| 4 | Aqua Ohio - Ashtabula | 32,408 | 4 |
| 5 | Aqua Ohio - Village of Jefferson | 3,226 | 2 |
12 total water systems serve Ashtabula County.
All ZIP Codes in Ashtabula County
19 ZIP codes tracked in Ashtabula County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 44005 | Ashtabula | 81 | B | 1 | — |
| 2 | 44084 | Rock Creek | 79 | B | 14 (1 health) | $211K |
| 3 | 44047 | Jefferson | 78 | B | 0 | $183K |
| 4 | 44003 | Andover | 76 | B | 6 | $117K |
| 5 | 44004 | Ashtabula | 76 | B | 1 | $120K |
| 6 | 44030 | Conneaut | 76 | B | 1 | $136K |
| 7 | 44041 | Geneva | 76 | B | 1 | $167K |
| 8 | 44076 | Orwell | 73 | B | 0 | $163K |
| 9 | 44032 | Dorset | 63 | C | 0 | $191K |
| 10 | 44048 | Kingsville | 63 | C | 0 | $143K |
| 11 | 44068 | North Kingsville | 63 | C | 0 | $176K |
| 12 | 44093 | Williamsfield | 63 | C | 0 | $200K |
| 13 | 44450 | North Bloomfield | 63 | C | 0 | $178K |
| 14 | 44010 | Austinburg | 55 | C | 0 | $220K |
| 15 | 44057 | Madison | 55 | C | 0 | $170K |
| 16 | 44082 | Pierpont | 53 | D | 0 | $108K |
| 17 | 44085 | Rome | 53 | D | 0 | $162K |
| 18 | 44088 | Unionville | 53 | D | 0 | — |
| 19 | 44430 | Leavittsburg | 50 | D | 0 | $111K |
Recommended Buyer Guides for Ashtabula County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 72.1% of homes built before 1978
- 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 Ashtabula County, Ohio
Overview
Ashtabula County in Ohio covers 19 ZIP codes with an average Home Safety Score of C (66/100).
6 of 19 ZIP codes have recorded EPA violations. 1 health-based violation 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.