Licking County, Ohio
18 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-06-03
Licking County's water quality grade reflects a middle-ground assessment — its 18 ZIP codes range from fully compliant to violation-flagged.
How Licking County Compares
How Licking County Compares
Licking County scores 2 points below the Ohio state average (60/100) and 10 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Licking County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.6 (asthma 10.9%, diabetes 12.9%)
Estimated additional annual cost per homeowner: $1,304, driven primarily by flood
Infrastructure: 0.371% avg pipe failure probability, 33% of ZIPs at high risk
61.1% 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: $1,304
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
69,974 housing units in Licking 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 Licking County
Remediation costs are relatively manageable for most homeowners in Licking 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 Licking 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 Licking County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Licking County Prescott Estates | 732 | 8 |
| 2 | UTICA VILLAGE PWS | 2,235 | 7 |
| 3 | St Louisville Village Public Water System | 374 | 7 |
| 4 | Licking Regional Water District | 17,818 | 5 |
| 5 | Granville, Village of | 5,946 | 5 |
23 total water systems serve Licking County.
All ZIP Codes in Licking County
18 ZIP codes tracked in Licking County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 43031 | Johnstown | 70 | B | 0 | $341K |
| 2 | 43023 | Granville | 69 | C | 2 (1 health) | $429K |
| 3 | 43080 | Utica | 69 | C | 5 (1 health) | $221K |
| 4 | 43058 | Newark | 66 | C | 0 | — |
| 5 | 43093 | Newark | 66 | C | 0 | — |
| 6 | 43098 | Hebron | 66 | C | 0 | — |
| 7 | 43062 | Pataskala | 65 | C | 0 | $292K |
| 8 | 43001 | Alexandria | 64 | C | 3 | $343K |
| 9 | 43008 | Buckeye Lake | 63 | C | 1 | $157K |
| 10 | 43025 | Hebron | 60 | C | 0 | $263K |
| 11 | 43055 | Newark | 60 | C | 0 | $185K |
| 12 | 43056 | Heath | 57 | C | 1 | $230K |
| 13 | 43071 | Saint Louisville | 53 | D | 0 | $198K |
| 14 | 43822 | Frazeysburg | 53 | D | 3 | $178K |
| 15 | 43011 | Centerburg | 45 | D | 0 | $287K |
| 16 | 43013 | Croton | 40 | D | 0 | $366K |
| 17 | 43027 | Homer | 40 | D | 0 | — |
| 18 | 43030 | Jacksontown | 40 | D | 0 | $665K |
Recommended Buyer Guides for Licking County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 61.1% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Licking County, Ohio
Overview
Licking County in Ohio covers 18 ZIP codes with an average Home Safety Score of C (58/100).
6 of 18 ZIP codes have recorded EPA violations. 2 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.