CITY REPORT WA

Carlton, WA: High Radon Risk - Home Safety Score unavailable

1 ZIP code · 0 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
0
Water Systems
N/A
ZIPs with Violations
Zone 1
Radon Risk (High)
$512K
Median Home Value
$3,000
Est. Remediation (0.6% of home value)

Carlton Water: The Quick Version

  • Homes built before 1986: 48% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 14.12 - above typical levels.

Overview

We track home safety data for 1 ZIP code in Carlton, Washington, covering 0 community water system serving approximately 465 people. The EPA snapshots used for this build directly map water systems to 0 of 1 ZIP codes.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Carlton.

Lead & Copper

  • Lead data: not yet available for Carlton
  • Lead action-level status: not available

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

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

All ZIP Codes in Carlton

Data Sources

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

CDC Health Data for Carlton

11.6%
Asthma (US: 9.8%)
13.3%
Diabetes (US: 10.4%)
17.2%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 11.6% ↑
Diabetes 13.3% ↑
Mental Health 17.2% ↑

Vertical line = national average. Above national · Below national

How Old Is Carlton's Housing Stock?

1983
Median Build Year
48%
Built Before 1986
27%
Built Before 1970
Copper
Likely Pipe Material

With 48% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

When trying to understand water quality at the household level, the year a home was built often matters more than any city-wide water report. That's because the 1986 federal ban on lead solder in plumbing, and the earlier phase-out of lead pipes before 1970, created sharp discontinuities in residential plumbing risk by construction era. Carlton's median build year of 1983 puts the city in the transition zone: a substantial share of the housing stock postdates the solder ban, but a comparable fraction predates it - with the oldest homes carrying both the solder risk and the pipe risk simultaneously. Whether any individual household sits on the safer or riskier side of these thresholds is the key question, and it's one the city-wide median alone can't answer.

1983
Median Year Built
48%
Pre-1986 (Lead Paint Risk)
27%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (27%) 1970–1986 (21%) Post-1986 (52%)

Most homes in Carlton 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.

Carlton: Remediation Cost in Perspective

Equity impact data for Carlton lands in the favorable tier - remediation claims a small slice of what properties here are worth.

Median Home Value
$511,700
Est. Remediation
$3,000
Remediation as % of home value 0.6%

Remediation costs in Carlton are relatively low compared to home values. The $2,000–$4,000 estimated range is a small fraction of median property value. Home values are 9% above the Washington average.

Protecting Children from Lead in Carlton

48%
Homes Built Before 1986

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.

Older interior plumbing shapes the local picture: 48% of Carlton homes predate the federal solder ban, and aggregate sampling either approaches or crosses the action benchmark. That mix makes a single-home draw a standard pre-purchase or pre-occupancy step.

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

Historical Flood-Claim Evidence for Carlton

1
Total FEMA Flood Claims
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Carlton contains 1 flood insurance claim. 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>$3,000</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.

Frequently Asked Questions

How much does it cost to fix water issues in Carlton?
Estimated remediation costs in Carlton average $3,000 per household, ranging from $2,000 to $4,000. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWashington → Carlton, WA

How to cite this page

APA ZipCheckup. (2026). Carlton, WA: High Radon Risk - Home Safety Score unavailable. https://zipcheckup.com/cities/wa/carlton/
BibTeX
@misc{zipcheckup-cities-wa-carlton,
  author = {{ZipCheckup}},
  title  = {{Carlton, WA: High Radon Risk - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wa/carlton/}
}

Page version: August 2026.

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