COUNTY REPORT IA

Poweshiek County, Iowa

8 ZIP codes · Home Safety Score unavailable · 0 of 8 tracked ZIP records scored

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

Unavailable
0 of 8 tracked ZIP records scored
8
ZIP Codes
$193K
Median Home Value
$600
Avg Remediation (0.31% of home value)

ZIP Code Risk Map

Water Quality Map: Poweshiek County, Iowa

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.6 (asthma 9.9%, diabetes 11.4%)

Modeled additional annual cost estimate per homeowner: $494, largest modeled factor: Energy Code Gap

63% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 9.9% (national: 8.9%)
Diabetes 11.4% (national: 10.5%)
Obesity 40.5% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1957
Median Build Year
63%
Pre-1980 Housing
60/100
Infrastructure Stress Indicator
100%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $494

Energy Code Gap $338/yr
Water / Lead $250/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

9,189 housing units in Poweshiek County

Pre-1940 25%
1940–1959 13%
1960–1979 25%
1980–1999 20%
2000+ 16%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Poweshiek County

$193K
Median Home Value
$600
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Poweshiek County can be compared with the median property value; actual costs vary by property.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Poweshiek County residents

Asthma 9.9% (US avg: 8.9%)
Diabetes 11.4% (US avg: 11%)
Obesity 40.5% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems mapped to Poweshiek County ZIP codes

3 community water systems mapped to Poweshiek County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Poweshiek County

1 water system with violations in EPA records.

All ZIP Codes in Poweshiek County

8 ZIP codes tracked in Poweshiek County.

# ZIP Code City Safety Score Grade Violations Home Value
1 50112 Grinnell — — 18 (13 health) $198K
2 50157 Malcom — — $101K
3 50171 Montezuma — — 0 $189K
4 50242 Searsboro — — $233K
5 52211 Brooklyn — — 0 $161K
6 52221 Guernsey — — $227K
7 52222 Deep River — — 0 $113K
8 52232 Hartwick — — 0 $235K

Recommended Buyer Guides for Poweshiek County

Read the note next to each link: it gives the reason, such as a radon zone designation or housing age, that led to the recommendation.

Overview

Poweshiek County in Iowa covers 8 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

1 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 13 health-based violations appear in the available health breakdown.

← Back to Iowa Home Safety Profile

Data Sources

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

Frequently Asked Questions

How many water systems serve Poweshiek County?
We map 3 public water systems to 8 ZIP codes in our data for Poweshiek County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Poweshiek County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Poweshiek County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $494 per homeowner; actual costs vary by home.
How old are homes in Poweshiek County?
The median home build year in Poweshiek County is 1957. 63% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Poweshiek County, Iowa Home Safety Profile. https://zipcheckup.com/county/iowa/poweshiek/
BibTeX
@misc{zipcheckup-county-iowa-poweshiek,
  author = {{ZipCheckup}},
  title  = {{Poweshiek County, Iowa Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/poweshiek/}
}

Page version: October 2026.

Get safety alerts for Poweshiek, 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.