CITY REPORT KY

Mount Washington, KY: High Radon Risk - Home Safety 50/100

1 ZIP code · 3 water systems · Updated

ZipCheckup grade for Mount Washington: D.

Several federal signals point to home-safety risks in this ZIP.

Systems across Mount Washington show elevated violation counts against KY benchmarks - the low safety grade reflects that ongoing compliance pattern.

How Mount Washington Compares

Mount Washington50/100
Kentucky avg69/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
3
Water Systems
0
ZIPs with Violations
D · 50
Avg Safety Score
Zone 1
Radon Risk (High)
$260K
Median Home Value
$3,600
Est. Remediation (1.4% of home value)

What You Should Know About Mount Washington Water

  • Average lead level: 0.003 mg/L.
  • Homes built before 1986: 29% - older plumbing may contain lead solder.
  • Estimated remediation: $3,600 per household.

Who Supplies Your Water in Mount Washington

At present, 3 utilities serve the bulk of Mount Washington, KY's residential water connections out of 3 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.

Overview

We track home safety data for 1 ZIP code in Mount Washington, Kentucky (population ~23,160), covering 3 community water systems serving approximately 853,043 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Mount Washington: D (50/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Mount Washington water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0030 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High 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
40047 D Mt Washington Water Company 23,760

All ZIP Codes in Mount Washington

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Housing & Infrastructure in Mount Washington

1992
Median Build Year
29%
Built Before 1986
7%
Built Before 1970
Copper
Likely Pipe Material

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

Compared to many older metro areas, Mount Washington carries a relatively newer housing profile - the median build year of 1992 places most of the stock in the post-1986 era when lead solder was federally banned from new plumbing. That shift meaningfully reduces the baseline likelihood of lead leaching from copper joint solder. Homes from before 1986 do still exist in the mix, however, and individual testing remains the only way to confirm what a specific tap actually delivers.

1992
Median Year Built
29%
Pre-1986 (Lead Paint Risk)
7%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (7%) 1970–1986 (22%) Post-1986 (71%)

Most homes in Mount Washington 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.

Cost Context: What Remediation Means for Mount Washington Homeowners

How does remediation fit within the broader financial picture for Mount Washington homeowners? The equity share is moderate - large enough that treating it as a real planning consideration makes sense, and manageable enough that most homeowners have a clear path to addressing documented water and safety issues when they approach the commitment with deliberate advance budgeting rather than as an unplanned expense.

Median Home Value
$259,600
Est. Remediation
$3,600
Remediation as % of home value 1.4%

Remediation costs are moderate relative to home values in Mount Washington. The estimated $2,400–$4,800 range is manageable for most homeowners but still worth budgeting for. Home values are 74% above the Kentucky average.

Lead Exposure Risk for Children in Mount Washington

29%
Homes Built Before 1986
0.003
mg/L Avg Lead (Limit: 0.015)

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.

Reading Mount Washington's aggregate samples next to its housing-age figures yields a quiet baseline. Lead rests under the federal action benchmark in citywide monitoring, and only 29% of homes were built before the federal ban on solder containing lead. Households with kids - the population for whom CDC guidance places particular weight on minimizing exposure - can confirm in-home conditions with a draw-test kit, with a certified lead-removal filter available through certified retail channels if results warrant it.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Mount Washington

7
Total FEMA Flood Claims
$29,152
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Mount Washington contains 7 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $29,152. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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. The <strong>$3,600</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

What You Can Do in Mount Washington

  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

What does the Home Safety Score mean for Mount Washington, KY?
Mount Washington has an average Home Safety Score of 50/100 (Grade D) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Mount Washington water have lead?
The average 90th-percentile lead level in Mount Washington is 0.003 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Mount Washington compare to Kentucky average?
Mount Washington has an average Home Safety Score of 50/100, which is below the Kentucky state average of 69/100 for the same model series.
How many water systems serve Mount Washington?
Mount Washington is served by 3 public water systems across 1 ZIP code, serving approximately 23,160 people.
How much does it cost to fix water issues in Mount Washington?
Estimated remediation costs in Mount Washington average $3,600 per household, ranging from $2,400 to $4,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesKentucky → Mount Washington, KY

How to cite this page

APA ZipCheckup. (2026). Mount Washington, KY: High Radon Risk - Home Safety 50/100. https://zipcheckup.com/cities/ky/mount-washington/
BibTeX
@misc{zipcheckup-cities-ky-mount-washington,
  author = {{ZipCheckup}},
  title  = {{Mount Washington, KY: High Radon Risk - Home Safety 50/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ky/mount-washington/}
}

Page version: August 2026.

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