CITY REPORT KY

Shepherdsville, KY: High Radon Risk — 38/100 (2026)

2 ZIP codes · 3 water systems · Updated 2026-06-03

Unlike better-scoring cities in KY, Shepherdsville records health-based violations across a meaningful portion of its service areas — the overall safety grade is well below average.

How Shepherdsville Compares

Shepherdsville38/100
Kentucky avg61/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

2
ZIP Codes
3
Water Systems
0
ZIPs with Violations
F · 38
Avg Safety Score
Zone 1
Radon Risk (High)
$243K
Median Home Value
$2,100
Est. Remediation (0.9% of home value)

Who Supplies Your Water in Shepherdsville

3 water utilities share the residential service territory in Shepherdsville, KY — out of 3 total systems in federal records.

LOUISVILLE WATER COMPANY
Serves ~764,769 people
35
/100
North Nelson Water District
Serves ~13,365 people
35
/100
LEBANON JUNCTION WATER WORKS
Serves ~2,866 people
35
/100

Overview

We track water quality and home safety data for 2 ZIP codes in Shepherdsville, Kentucky (population ~38,533), covering 3 community water systems serving approximately 781,000 people region-wide.

No EPA violations recorded across any ZIP codes in Shepherdsville — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Shepherdsville: F (38/100)

The score combines three factors:

Factor What It Measures
Water Quality EPA violations and compliance history
Lead Levels 90th percentile lead concentration vs EPA action level
Radon Risk EPA radon zone classification

Water Sources

Shepherdsville water systems draw from: Surface water.

Lead & Copper

  • Lead data: not yet available for Shepherdsville
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

  • Zone 1 (High): 2 ZIP codes
  • Zone 2 (Moderate): 0 ZIP codes
  • Zone 3 (Low): 0 ZIP codes

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Areas with No Violations

ZIP Code Safety Score System Population
40165 F LOUISVILLE WATER COMPANY 764,769
40166 D LOUISVILLE WATER COMPANY 764,769

All ZIP Codes in Shepherdsville

Data Sources

Updated daily.

Cost Context: What Remediation Means for Shepherdsville Homeowners

Placing remediation in the context of Shepherdsville's property market, the equity share is low — most homeowners here are weighing a financial commitment that fits comfortably within routine property planning, far from the threshold where remediation becomes a material equity decision rather than a standard upkeep consideration.

Median Home Value
$242,700
Est. Remediation
$2,100
Remediation as % of home value 0.9%

Remediation costs in Shepherdsville are relatively low compared to home values. The $1,400–$2,800 estimated range is a small fraction of median property value. Home values are 63% above the Kentucky average.

Flood & Climate Risk in Shepherdsville

Shepherdsville's flood exposure sits in the moderate range: 222 NFIP claims on record and 50% of ZIP codes within FEMA-designated flood zones. Residents with private wells or older infrastructure have reasonable grounds to factor flood timing into their water quality awareness.

222
Total FEMA Flood Claims
$15,422
Avg Claim Payout
50%
ZIPs in FEMA Flood Zones
~11
Est. Claims/Year

Shepherdsville has a moderate flood history with 222 FEMA claims averaging $15,422 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,100</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

What You Can Do in Shepherdsville

  1. Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

Is the water safe to drink in Shepherdsville, KY?
Shepherdsville has an average water safety score of 38/100 (Grade F). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Shepherdsville compare to Kentucky average?
Shepherdsville has an average water safety score of 38/100, which is below the Kentucky state average of 61/100.
How many water systems serve Shepherdsville?
Shepherdsville is served by 3 public water systems across 2 ZIP codes, serving approximately 38,533 people.
How much does it cost to fix water issues in Shepherdsville?
Estimated remediation costs in Shepherdsville average $2,100 per household, ranging from $1,400 to $2,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesKentucky → Shepherdsville, KY

Get safety alerts for Shepherdsville, Kentucky

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool — no phone call required.