CITY REPORT IA

Williamson, IA Water - 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)
$48K
Median Home Value
$1,200
Est. Remediation (2.5% of home value)

Key Facts for Williamson Residents

  • Homes built before 1986: 84% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 15.25 - above typical levels.

Overview

We track home safety data for 1 ZIP code in Williamson, Iowa, covering 0 community water system serving approximately 228 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 Williamson.

Lead & Copper

  • Lead data: not yet available for Williamson
  • 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 Williamson

Data Sources

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

Williamson Community Health Snapshot

10.3%
Asthma (US: 9.8%)
13.9%
Diabetes (US: 10.4%)
16.9%
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 10.3% ↑
Diabetes 13.9% ↑
Mental Health 16.9% ↑

Vertical line = national average. Above national · Below national

Williamson Infrastructure Age

1901
Median Build Year
84%
Built Before 1986
75%
Built Before 1970
Galvanized Steel or Lead
Likely Pipe Material

With 84% 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

Because the majority of Williamson's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1901 reflects a city where lead-era plumbing materials are common rather than exceptional.

1901
Median Year Built
84%
Pre-1986 (Lead Paint Risk)
75%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (75%) 1970–1986 (9%) Post-1986 (16%)

Over half of homes in Williamson 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.

How Remediation Costs Compare in Williamson

Across the Williamson housing market, the estimated remediation share sits at an elevated level - the cost-to-value ratio here is high enough that addressing documented water and safety issues becomes a material equity decision rather than routine maintenance, and most homeowners benefit from treating it as a structured financial planning exercise.

Median Home Value
$47,500
Est. Remediation
$1,200
Remediation as % of home value 2.5%

At 2.5% of home value, remediation costs in Williamson represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $800–$1,500. Home values here are 71% below the Iowa average.

Williamson: Lead Risk & Vulnerable Populations

84%
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 stock in Williamson represents 84% of the inventory, and citywide monitoring runs at or above the federal action level - making an in-home read a standard household-level step.

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

Frequently Asked Questions

How much does it cost to fix water issues in Williamson?
Estimated remediation costs in Williamson average $1,200 per household, ranging from $800 to $1,500. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIowa → Williamson, IA

How to cite this page

APA ZipCheckup. (2026). Williamson, IA Water - Home Safety Score unavailable. https://zipcheckup.com/cities/ia/williamson/
BibTeX
@misc{zipcheckup-cities-ia-williamson,
  author = {{ZipCheckup}},
  title  = {{Williamson, IA Water - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ia/williamson/}
}

Page version: August 2026.

Get safety alerts for Williamson, Iowa

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.