Coffey County, Kansas
4 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03
Water systems in Coffey County serve 4 ZIP codes with few reported safety events.
How Coffey County Compares
How Coffey County Compares
Coffey County scores 17 points above the Kansas state average (64/100) and 13 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 14.3 (asthma 10.2%, diabetes 12.7%)
Estimated additional annual cost per homeowner: $793, driven primarily by wildfire
Infrastructure: 0.402% avg pipe failure probability, 50% of ZIPs at high risk
68.8% 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: $793
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,398 housing units in Coffey 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 Coffey County
Remediation costs are relatively manageable for most homeowners in Coffey 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 Coffey 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 Coffey County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Coffey Company Rwd 2 | 1,146 | 5 |
| 2 | Coffey Company Rwd 2e | 1,254 | 5 |
| 3 | City of Gridley, | 312 | 5 |
| 4 | Osage Company Rwd 4 | 500 | 4 |
| 5 | City of Waverly, | 574 | 4 |
7 total water systems serve Coffey County.
All ZIP Codes in Coffey County
4 ZIP codes tracked in Coffey County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 66839 | Burlington | 83 | B | 0 | $162K |
| 2 | 66856 | Lebo | 83 | B | 0 | $176K |
| 3 | 66871 | Waverly | 81 | B | 4 | $124K |
| 4 | 66852 | Gridley | 76 | B | 5 | $95K |
Recommended Buyer Guides for Coffey County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 68.8% of homes built before 1978
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Coffey County in Kansas covers 4 ZIP codes with an average Home Safety Score of B (81/100).
2 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.