CITY REPORT IA

Bristow, IA: High Radon Risk - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
Zone 1
Radon Risk (High)
$78K
Median Home Value
$1,800
Est. Remediation (2.3% of home value)

Key Facts for Bristow Residents

  • Average lead level: 0.0076 mg/L.
  • Homes built before 1986: 98% - older plumbing may contain lead solder.
  • Estimated remediation: $1,800 per household.
  • CDC health risk index: 14.43 - above typical levels.

Bristow's Water Providers

Bristow, IA draws its residential water from 2 separate providers among the 2 federally tracked systems. Each operates independently, with its own infrastructure, rate structure, and compliance record.

Overview

We track home safety data for 1 ZIP code in Bristow, Iowa (population ~269), covering 2 community water systems serving approximately 1,960 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

Bristow water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0076 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
50611 Greene Muni Water Supply 994

All ZIP Codes in Bristow

Data Sources

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

Bristow Community Health Snapshot

9.9%
Asthma (US: 9.8%)
12.6%
Diabetes (US: 10.4%)
15.9%
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 9.9% ↑
Diabetes 12.6% ↑
Mental Health 15.9% ↑

Vertical line = national average. Above national · Below national

Bristow Infrastructure Age

1944
Median Build Year
98%
Built Before 1986
61%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 98% 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 1944 mean for water safety in Bristow? 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.

1944
Median Year Built
98%
Pre-1986 (Lead Paint Risk)
61%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (61%) 1970–1986 (37%) Post-1986 (2%)

Over half of homes in Bristow 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 Bristow

Looking at how documented remediation costs fit within Bristow's property market, the equity share lands in the elevated tier - a result that positions the household financial perspective as one requiring structured preparation, where mapping costs against household budget, documenting scope early, and sequencing by urgency are the practical tools that distinguish manageable outcomes from financially disruptive ones.

Median Home Value
$77,500
Est. Remediation
$1,800
Remediation as % of home value 2.3%

At 2.3% of home value, remediation costs in Bristow represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,100–$3,000. Home values here are 53% below the Iowa average.

Bristow: Lead Risk & Vulnerable Populations

98%
Homes Built Before 1986
0.0076
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.

Practically, the structural drivers in Bristow - 98% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark - make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.

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

Frequently Asked Questions

Does Bristow water have lead?
The average 90th-percentile lead level in Bristow is 0.0076 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 Bristow?
Bristow is served by 2 public water systems across 1 ZIP code, serving approximately 269 people.
How much does it cost to fix water issues in Bristow?
Estimated remediation costs in Bristow average $1,800 per household, ranging from $1,100 to $3,000. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIowa → Bristow, IA

How to cite this page

APA ZipCheckup. (2026). Bristow, IA: High Radon Risk - Home Safety Score unavailable. https://zipcheckup.com/cities/ia/bristow/
BibTeX
@misc{zipcheckup-cities-ia-bristow,
  author = {{ZipCheckup}},
  title  = {{Bristow, IA: High Radon Risk - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ia/bristow/}
}

Page version: August 2026.

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