Shawnee County, Kansas
39 ZIP codes · Avg score 78/100 · Grade B · Updated
ZipCheckup grade for Shawnee County: B.
This ZIP looks solid, with a few items worth a quick check.
Based on current EPA data, Shawnee County's 39 ZIP codes maintain an above-average drinking water safety record.
How Shawnee County Compares
How Shawnee County Compares
Shawnee County scores 6 points above the Kansas state average (72/100) and 5 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Shawnee County, Kansas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 10.5%, diabetes 12.5%)
Estimated additional annual cost per homeowner: $1,068, driven primarily by flood
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Shawnee County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 152 violations. Past 5 years: 215 total (215 health-based).
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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,068
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Shawnee County
Remediation costs are relatively manageable for most homeowners in Shawnee 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 Shawnee County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Shawnee County
8 community water systems serving Shawnee County.
- B
- B
- B
- B
- B
- C
Show all 8 water systems
- B
- B
15 total water systems serve Shawnee County.
Systems with the most violations in Shawnee County
5 water systems with recorded EPA violations.
- B
- B
- B
- C
- B
All ZIP Codes in Shawnee County
39 ZIP codes tracked in Shawnee County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 66603 | Topeka | 83 | B | 2 | $92K |
| 2 | 66606 | Topeka | 83 | B | 2 | $115K |
| 3 | 66608 | Topeka | 83 | B | 2 | $78K |
| 4 | 66611 | Topeka | 83 | B | 2 | $139K |
| 5 | 66612 | Topeka | 83 | B | 2 | — |
| 6 | 66621 | Topeka | 83 | B | 2 | — |
| 7 | 66617 | Topeka | 82 | B | 4 | $204K |
| 8 | 66542 | Tecumseh | 81 | B | 6 | $212K |
| 9 | 66605 | Topeka | 81 | B | 6 | $157K |
| 10 | 66607 | Topeka | 81 | B | 6 | $46K |
| 11 | 66616 | Topeka | 81 | B | 6 | $79K |
| 12 | 66618 | Topeka | 81 | B | 5 | $242K |
| 13 | 66050 | Lecompton | 80 | B | 6 | $250K |
| 14 | 66604 | Topeka | 77 | B | 10 (5 health) | $127K |
| 15 | 66609 | Topeka | 77 | B | 16 (5 health) | $108K |
| 16 | 66619 | Topeka | 77 | B | 12 (5 health) | $81K |
| 17 | 66409 | Berryton | 74 | B | 19 (5 health) | $282K |
| 18 | 66402 | Auburn | 71 | B | 17 (10 health) | $239K |
| 19 | 66610 | Topeka | 71 | B | 19 (10 health) | $323K |
| 20 | 66614 | Topeka | 71 | B | 19 (10 health) | $182K |
| 21 | 66615 | Topeka | 71 | B | 19 (10 health) | $272K |
| 22 | 66546 | Wakarusa | 67 | C | 30 (10 health) | $230K |
| 23 | 66420 | Dover | — | — | — | |
| 24 | 66533 | Rossville | — | — | 3 | $209K |
| 25 | 66539 | Silver Lake | — | — | 3 | $212K |
| 26 | 66601 | Topeka | — | — | — | |
| 27 | 66620 | Topeka | — | — | — | |
| 28 | 66622 | Topeka | — | — | — | |
| 29 | 66624 | Topeka | — | — | — | |
| 30 | 66625 | Topeka | — | — | — | |
| 31 | 66626 | Topeka | — | — | — | |
| 32 | 66628 | Topeka | — | — | — | |
| 33 | 66629 | Topeka | — | — | — | |
| 34 | 66636 | Topeka | — | — | — | |
| 35 | 66647 | Topeka | — | — | — | |
| 36 | 66667 | Topeka | — | — | — | |
| 37 | 66675 | Topeka | — | — | — | |
| 38 | 66683 | Topeka | — | — | — | |
| 39 | 66699 | Topeka | — | — | — |
Recommended Buyer Guides for Shawnee 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 Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Shawnee County, Kansas
Overview
Shawnee County in Kansas covers 39 tracked ZIP records with an average Home Safety Score of B (78/100) across 22 scored records.
24 of 24 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 15 health-based violations appear in the available health breakdown.
← Back to Kansas Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.