Guthrie County, Iowa
9 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Tracking 9 ZIP codes in Guthrie County reveals a mixed picture — tap water quality varies meaningfully by location.
How Guthrie County Compares
How Guthrie County Compares
Guthrie County scores 2 points below the Iowa state average (59/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Guthrie County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.9 (asthma 9.8%, diabetes 12.4%)
Estimated additional annual cost per homeowner: $823, driven primarily by energy_code_gap
Infrastructure: 0.51% avg pipe failure probability, 78% of ZIPs at high risk
79.2% 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
5,866 housing units in Guthrie 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 Guthrie County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Guthrie 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 Guthrie County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Xenia Rwd (des Moines) | 12,860 | 24 |
| 2 | Bayard Water Supply | 405 | 14 |
| 3 | Neola Light & Water | 906 | 11 |
| 4 | Adair Municipal Water Supply | 809 | 11 |
| 5 | Jamaica Water Supply | 195 | 8 |
12 total water systems serve Guthrie County.
All ZIP Codes in Guthrie County
9 ZIP codes tracked in Guthrie County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 50115 | Guthrie Center | 70 | B | 0 | $140K |
| 2 | 50216 | Panora | 69 | C | 3 | $199K |
| 3 | 50048 | Casey | 66 | C | 0 | $110K |
| 4 | 50070 | Dexter | 66 | C | 2 | $188K |
| 5 | 50277 | Yale | 66 | C | 0 | $86K |
| 6 | 50002 | Adair | 56 | C | 11 | $190K |
| 7 | 50029 | Bayard | 52 | D | 3 | $73K |
| 8 | 50026 | Bagley | 40 | D | 0 | $102K |
| 9 | 50128 | Jamaica | 32 | F | 8 (1 health) | $106K |
Recommended Buyer Guides for Guthrie County
Editorial-only picks, screened against the EPA detections on file.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 79.2% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Guthrie County, Iowa
Overview
Guthrie County in Iowa covers 9 ZIP codes with an average Home Safety Score of C (57/100).
5 of 9 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← 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.