Crawford County, Iowa
10 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-03
Across Crawford County, EPA compliance data for 10 ZIP codes sits at a moderate level — not alarming, but not uniformly clean either.
How Crawford County Compares
How Crawford County Compares
Crawford County scores 4 points above the Iowa state average (59/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Crawford County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 9.6%, diabetes 14.3%)
Estimated additional annual cost per homeowner: $950, driven primarily by energy_code_gap
Infrastructure: 0.513% avg pipe failure probability, 100% of ZIPs at high risk
88% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $950
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,139 housing units in Crawford County
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 Crawford County
Remediation costs are relatively manageable for most homeowners in Crawford County, representing a small fraction of property value.
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 Crawford County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Crawford County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Deloit Muni Water Supply | 250 | 3 |
| 2 | Westside Water Supply | 277 | 2 |
| 3 | Kiron Water Supply | 257 | 1 |
| 4 | Vail Water Supply | 383 | 1 |
| 5 | Charter Oak Water Supply | 522 | 0 |
9 total water systems serve Crawford County.
All ZIP Codes in Crawford County
10 ZIP codes tracked in Crawford County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 51448 | Kiron | 70 | B | 1 | $114K |
| 2 | 51465 | Vail | 70 | B | 1 | $120K |
| 3 | 51441 | Deloit | 69 | C | 3 | $97K |
| 4 | 51439 | Charter Oak | 66 | C | 0 | $86K |
| 5 | 51461 | Schleswig | 66 | C | 0 | $159K |
| 6 | 51528 | Dow City | 66 | C | 0 | $135K |
| 7 | 51467 | Westside | 65 | C | 2 | $175K |
| 8 | 51442 | Denison | 60 | C | 0 | $146K |
| 9 | 51460 | Ricketts | 53 | D | 0 | $52K |
| 10 | 51520 | Arion | 40 | D | 0 | $141K |
Recommended Buyer Guides for Crawford County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 88% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Crawford County, Iowa
Overview
Crawford County in Iowa covers 10 ZIP codes with an average Home Safety Score of C (63/100).
4 of 10 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Iowa water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.