Walker, KY Water Safety: 63/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Walker, KY: middle-tier water safety by the latest federal monitoring.
How Walker Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Walker Residents
- Homes built before 1986: 39% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
Walker's Water Providers
2 water utilities share the residential service territory in Walker, KY — out of 2 total systems in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Walker, Kentucky (population ~361), covering 2 community water systems serving approximately 24,733 people region-wide.
No EPA violations recorded across any ZIP codes in Walker — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Walker: C (63/100)
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
Walker water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Walker
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 40997 | C | Knox County Utility Commission | 8,313 |
All ZIP Codes in Walker
- 40997 [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Walker Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Walker's residential inventory spans multiple construction eras, with the median build year of 1998 landing in a zone where pre- and post-1986 homes are both well represented. That split matters because homes built before 1986 may contain lead-soldered copper joints — a plumbing practice banned that year — while those built before 1970 face the additional possibility of lead pipes in the service line. Whether a specific household sits on the older or newer end of this distribution is the primary variable shaping its individual exposure risk.
Most homes in Walker were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Walker
Within the Walker market, documented remediation claims a significant slice of typical equity — the financial weight here is material.
At 3.4% of home value, remediation costs in Walker represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $800–$2,600. Home values here are 68% below the Kentucky average.
Walker: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Wherever 39% of local housing was built before solder rules changed — as is the case in Walker — a faucet-level sample closes the gap that aggregate utility data cannot.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Walker: Flood History & Water Damage Risk
Insurance claims filed under FEMA's NFIP for Walker remain modest — consistent with limited flood exposure and an environment where flood-related water quality disruptions stay infrequent. The mechanisms connecting flooding to water safety are real but require event conditions that rarely appear at this claim volume.
Walker has a relatively low flood history with 3 FEMA claims on record. While risk is limited, severe weather events can still impact water infrastructure.
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>$1,600</strong> remediation cost per household.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Walker
- 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.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 39% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Walker, KY