Stilwell, KS: High Radon Risk - Home Safety 67/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Stilwell: C.
A mixed picture - some signals here are worth your attention.
For most households in Stilwell, KS tap water is adequate - the middle-tier grade reflects gaps in specific service areas.
How Stilwell Compares
Data: EPA SDWIS
Key Facts for Stilwell Residents
- Average lead level: 0.0065 mg/L.
- Homes built before 1986: 29% - older plumbing may contain lead solder.
- Estimated remediation: $2,900 per household.
- CDC health risk index: 10.83.
Stilwell's Water Providers
A single utility carries the primary residential water load in Stilwell, KS - the dominant provider across 1 federally tracked system.
- C
Overview
We track home safety data for 1 ZIP code in Stilwell, Kansas (population ~11,412), covering 1 community water system serving approximately 490,000 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.
Home Safety Score
Average Home Safety Score for Stilwell: C (67/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Stilwell water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0065 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 66085 | C | Water District 1 of Johnson Company | 490,000 |
All ZIP Codes in Stilwell
- 66085 [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Stilwell Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Stilwell Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Since 1986, federal law has prohibited lead solder in new residential plumbing. With a median build year of 2008, much of Stilwell's housing falls on the safer side of that line - though homes built before 1986 still warrant testing regardless of the city-wide profile.
Most homes in Stilwell were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Stilwell
Remediation costs in Stilwell are small relative to typical property values - the cost-to-value ratio here is favorable.
Remediation costs in Stilwell are relatively low compared to home values. The $1,900–$4,100 estimated range is a small fraction of median property value. Home values are 244% above the Kansas average.
Stilwell: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Through the multi-year window of EPA Lead and Copper Rule monitoring, Stilwell has stayed under the action mark. Paired with a 29% pre-rule housing share, the result places lead in a lower-priority spot on the local picture - without erasing the structural gap between citywide averages and what arrives at one specific tap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Stilwell: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Stilwell contains 13 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $12,558. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,900</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Stilwell
- Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Stilwell, KS