CITY REPORT WI

Afton, WI: High Radon Risk - Home Safety Score unavailable

1 ZIP code · 1 water system · Updated

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 1
Radon Risk (High)
$2,400
Est. Remediation

Afton Water: The Quick Version

  • Average lead level: 0.01 mg/L.
  • Homes built before 1986: 100% - older plumbing may contain lead solder.
  • Estimated remediation: $2,400 per household.
  • CDC health risk index: 13.43 - above typical levels.

Water Systems Serving Afton

Across most of Afton, WI, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.

Overview

We track home safety data for 1 ZIP code in Afton, Wisconsin (population ~147), covering 1 community water system serving approximately 64,415 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.

Water Sources

Afton water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0100 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
53501 Janesville Water Utility 64,415

All ZIP Codes in Afton

Data Sources

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

CDC Health Data for Afton

11.2%
Asthma (US: 9.8%)
12.3%
Diabetes (US: 10.4%)
16%
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 11.2% ↑
Diabetes 12.3% ↑
Mental Health 16% ↑

Vertical line = national average. Above national · Below national

How Old Is Afton's Housing Stock?

1956
Median Build Year
100%
Built Before 1986
67%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 100% 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

What does a median build year of 1956 mean for water safety in Afton? It means the majority of the city's residential plumbing was installed before 1986, when lead solder was federally banned, and a large share may predate 1970, when lead pipes were commonly used - making plumbing age a central variable in household-level lead risk across much of the city.

1956
Median Year Built
100%
Pre-1986 (Lead Paint Risk)
67%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (67%) 1970–1986 (33%) Post-1986 (0%)

Over half of homes in Afton were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Protecting Children from Lead in Afton

100%
Homes Built Before 1986
0.01
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.

If 100% of the Afton inventory comes from before the federal ban on lead-bearing solder - and if utility samples sit at or near 0.015 mg/L - the gap between citywide averages and one specific faucet becomes a practical concern rather than a theoretical one. That is why one-home reads exist as a separate measurement. A certified filter through retailer networks addresses confirmed exposure where it appears in a household.

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

Historical Flood-Claim Evidence for Afton

3
Total FEMA Flood Claims
$2,861
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Afton contains 3 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $2,861. 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>$2,400</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

Does Afton water have lead?
The average 90th-percentile lead level in Afton is 0.01 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 many water systems serve Afton?
Afton is served by 1 public water system across 1 ZIP code, serving approximately 147 people.
How much does it cost to fix water issues in Afton?
Estimated remediation costs in Afton average $2,400 per household, ranging from $1,600 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesWisconsin → Afton, WI

How to cite this page

APA ZipCheckup. (2026). Afton, WI: High Radon Risk - Home Safety Score unavailable. https://zipcheckup.com/cities/wi/afton/
BibTeX
@misc{zipcheckup-cities-wi-afton,
  author = {{ZipCheckup}},
  title  = {{Afton, WI: High Radon Risk - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/wi/afton/}
}

Page version: August 2026.

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