Wright County, Iowa
10 ZIP codes · Avg score 61/100 · Grade C · Updated 2026-06-03
For most households in Wright County, the 10 tracked ZIP codes show adequate but uneven water quality.
How Wright County Compares
How Wright County Compares
Wright County scores 2 points above the Iowa state average (59/100) and 7 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Wright County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 9.9%, diabetes 13.9%)
Estimated additional annual cost per homeowner: $823, driven primarily by water_lead
Infrastructure: 0.483% avg pipe failure probability, 80% of ZIPs at high risk
84.2% 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: $823
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,255 housing units in Wright 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 Wright County
Remediation costs are relatively manageable for most homeowners in Wright 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 Wright 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 Wright County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | ROWAN MUNI WATER SUPPLY | 124 | 5 |
| 2 | Belmond Water Supply | 2,463 | 1 |
| 3 | Thornton Water Supply | 400 | 1 |
| 4 | Eagle Grove Water Supply | 3,601 | 1 |
| 5 | Dows Water Supply | 526 | 0 |
8 total water systems serve Wright County.
All ZIP Codes in Wright County
10 ZIP codes tracked in Wright County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 50421 | Belmond | 70 | B | 1 | $121K |
| 2 | 50542 | Goldfield | 70 | B | 0 | $118K |
| 3 | 50071 | Dows | 66 | C | 0 | $72K |
| 4 | 50533 | Eagle Grove | 66 | C | 1 | $104K |
| 5 | 50599 | Woolstock | 66 | C | 0 | $201K |
| 6 | 50525 | Clarion | 63 | C | 0 | $117K |
| 7 | 50526 | Clarion | 63 | C | 0 | — |
| 8 | 50470 | Rowan | 62 | C | 5 | $68K |
| 9 | 50101 | Galt | 40 | D | 0 | $42K |
| 10 | 50227 | Popejoy | 40 | D | 0 | $73K |
Recommended Buyer Guides for Wright County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 84.2% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Wright County, Iowa
Overview
Wright County in Iowa covers 10 ZIP codes with an average Home Safety Score of C (61/100).
3 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.