Decatur County, Kansas
4 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Compared to top-scoring counties, Decatur County's 4 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Decatur County Compares
How Decatur County Compares
Decatur County scores 7 points below the Kansas state average (64/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 14.6 (asthma 9.8%, diabetes 13.4%)
Estimated additional annual cost per homeowner: $483, driven primarily by energy_code_gap
Infrastructure: 0.45% avg pipe failure probability, 100% of ZIPs at high risk
85.5% 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: $483
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
1,615 housing units in Decatur 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 Decatur County
Remediation costs are relatively manageable for most homeowners in Decatur 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 Decatur County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Decatur County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Norcatur, | 159 | 4 |
| 2 | City of Oberlin, | 1,639 | 2 |
| 3 | JENNINGS, CITY OF | 80 | 1 |
All ZIP Codes in Decatur County
4 ZIP codes tracked in Decatur County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 67643 | Jennings | 66 | C | 1 | $38K |
| 2 | 67749 | Oberlin | 62 | C | 2 | $78K |
| 3 | 67653 | Norcatur | 58 | C | 4 | $85K |
| 4 | 67635 | Dresden | 40 | D | 0 | $102K |
Recommended Buyer Guides for Decatur County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 85.5% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Overview
Decatur County in Kansas covers 4 ZIP codes with an average Home Safety Score of C (57/100).
3 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Kansas 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.