Nicholas County, Kentucky
3 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Spanning 3 ZIP codes, Nicholas County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.
How Nicholas County Compares
How Nicholas County Compares
Nicholas County scores 1 points above the Kentucky state average (61/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Estimated additional annual cost per homeowner: $1,210, driven primarily by flood
Infrastructure: 0.425% avg pipe failure probability, 50% of ZIPs at high risk
78% of homes built before 1978 (lead paint era)
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: $1,210
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,720 housing units in Nicholas 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 Nicholas County
Remediation costs are relatively manageable for most homeowners in Nicholas 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.
Water Systems with Most Violations
Top 5 systems in Nicholas County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Carlisle Water Department | 2,059 | 0 |
| 2 | KENTUCKY-AMERICAN WATER CO | 299,501 | 0 |
| 3 | HARRISON CO WATER ASSOC | 16,736 | 0 |
| 4 | SHARPSBURG WATER DISTRICT | 4,332 | 0 |
| 5 | WESTERN FLEMING WATER DISTRICT | 4,262 | 0 |
All ZIP Codes in Nicholas County
3 ZIP codes tracked in Nicholas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 40311 | Carlisle | 78 | B | 0 | $125K |
| 2 | 40348 | Millersburg | 55 | C | 0 | $127K |
| 3 | 41037 | Elizaville | 53 | D | 0 | — |
Recommended Buyer Guides for Nicholas County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 78% 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
Overview
Nicholas County in Kentucky covers 3 ZIP codes with an average Home Safety Score of C (62/100).
No EPA violations recorded across any tracked ZIP codes in Nicholas County.
← Back to Kentucky 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.