Boone County, Kentucky
27 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-06-03
Based on current EPA data, Boone County's 27 ZIP codes reflect fair but mixed water safety.
How Boone County Compares
How Boone County Compares
Boone County scores 3 points below the Kentucky state average (61/100) and 10 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Boone County, Kentucky
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Estimated additional annual cost per homeowner: $1,109, driven primarily by flood
Infrastructure: 0.343% avg pipe failure probability, 35% of ZIPs at high risk
60% 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: $1,109
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
139,106 housing units in Boone 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 Boone County
Remediation costs are relatively manageable for most homeowners in Boone 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 Boone County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Boone Company Water & Sewer District | 66,300 | 2 |
| 2 | FLORENCE WATER & SEWER | 29,351 | 2 |
| 3 | Trapps Water Company | 200 | 2 |
| 4 | Boone-florence Water Commission | 25 | 2 |
| 5 | RIVERSIDE 25 LLC | 49 | 0 |
8 total water systems serve Boone County.
All ZIP Codes in Boone County
27 ZIP codes tracked in Boone County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 41005 | Burlington | 79 | B | 2 | $244K |
| 2 | 41042 | Florence | 75 | B | 0 | $211K |
| 3 | 41094 | Walton | 75 | B | 0 | $265K |
| 4 | 41022 | Florence | 72 | B | 0 | — |
| 5 | 41014 | Covington | 63 | C | 0 | $149K |
| 6 | 41018 | Erlanger | 63 | C | 0 | $174K |
| 7 | 41051 | Independence | 63 | C | 0 | $242K |
| 8 | 41075 | Fort Thomas | 63 | C | 0 | $299K |
| 9 | 41011 | Covington | 55 | C | 0 | $269K |
| 10 | 41015 | Latonia | 55 | C | 0 | $177K |
| 11 | 41048 | Hebron | 55 | C | 0 | $307K |
| 12 | 41071 | Newport | 55 | C | 0 | $186K |
| 13 | 41076 | Newport | 55 | C | 0 | $204K |
| 14 | 41091 | Union | 55 | C | 0 | $364K |
| 15 | 41012 | Covington | 53 | D | 0 | — |
| 16 | 41019 | Covington | 53 | D | 0 | — |
| 17 | 41021 | Hebron | 53 | D | 0 | — |
| 18 | 41025 | Erlanger | 53 | D | 0 | — |
| 19 | 41072 | Newport | 53 | D | 0 | — |
| 20 | 41080 | Petersburg | 53 | D | 0 | $212K |
| 21 | 41092 | Verona | 53 | D | 0 | $199K |
| 22 | 41099 | Newport | 53 | D | 0 | — |
| 23 | 41016 | Covington | 50 | D | 0 | $151K |
| 24 | 41059 | Melbourne | 50 | D | 0 | $212K |
| 25 | 41073 | Bellevue | 50 | D | 0 | $186K |
| 26 | 41074 | Dayton | 50 | D | 0 | $144K |
| 27 | 41085 | Silver Grove | 50 | D | 0 | $113K |
Recommended Buyer Guides for Boone County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 60% 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 Boone County, Kentucky
Overview
Boone County in Kentucky covers 27 ZIP codes with an average Home Safety Score of C (58/100).
1 of 27 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.