Wabaunsee County, Kansas
8 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-03
Within Wabaunsee County, all 8 tracked ZIP codes show above-average drinking water safety — violations are infrequent and typically minor.
How Wabaunsee County Compares
How Wabaunsee County Compares
Wabaunsee County scores 7 points above the Kansas state average (64/100) and 3 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Wabaunsee County, Kansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.3 (asthma 9.9%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $883, driven primarily by wildfire
Infrastructure: 0.429% avg pipe failure probability, 75% of ZIPs at high risk
69.8% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↓ Improving trendEPA violation counts by year across Wabaunsee County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 6 violations. Past 5 years: 18 total (18 health-based). Health-based violations are declining versus the prior 2-year window.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $883
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,357 housing units in Wabaunsee 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 Wabaunsee County
Remediation costs are relatively manageable for most homeowners in Wabaunsee 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 Wabaunsee 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 Wabaunsee County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Wabaunsee Company Rwd 2 | 1,400 | 19 |
| 2 | Wabaunsee Company Rwd 1 | 400 | 11 |
| 3 | Osage Company Rwd 8 | 2,240 | 9 |
| 4 | Pottawatomie Company Rwd 1 | 7,535 | 8 |
| 5 | City of Wamego, | 4,860 | 8 |
15 total water systems serve Wabaunsee County.
All ZIP Codes in Wabaunsee County
8 ZIP codes tracked in Wabaunsee County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 66507 | Maple Hill | 83 | B | 0 | $209K |
| 2 | 66834 | Alta Vista | 79 | B | 2 (1 health) | $122K |
| 3 | 66401 | Alma | 77 | B | 4 (2 health) | $191K |
| 4 | 66526 | Paxico | 75 | B | 5 (5 health) | $180K |
| 5 | 66423 | Eskridge | 71 | B | 7 | $96K |
| 6 | 66547 | Wamego | 70 | B | 8 | $196K |
| 7 | 66431 | Harveyville | 59 | C | 2 | $163K |
| 8 | 66501 | Mc Farland | 53 | D | 0 | $91K |
Recommended Buyer Guides for Wabaunsee County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 69.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Wabaunsee County, Kansas
Overview
Wabaunsee County in Kansas covers 8 ZIP codes with an average Home Safety Score of B (71/100).
6 of 8 ZIP codes have recorded EPA violations. 8 health-based violations have been documented.
← 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.