Lenexa, KS: 4 Violations - Home Safety 66/100
5 ZIP codes · 2 water systems · Updated
ZipCheckup grade for Lenexa: C.
A mixed picture - some signals here are worth your attention.
Compared to top-scoring cities in KS, Lenexa lands in the middle tier - some water systems meet standards cleanly, others carry documented violations, and performance can vary significantly across service areas.
How Lenexa Compares
Data: EPA SDWIS
Key Facts for Lenexa Residents
- Your city's water systems recorded 4 violations in the past 5 years.
- Average lead level: 0.0087 mg/L.
- Homes built before 1986: 28% - older plumbing may contain lead solder.
- Estimated remediation: $2,680 per household.
- CDC health risk index: 10.83.
Lenexa's Water Providers
Throughout Lenexa, KS, water comes from one of 2 primary utilities out of 2 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
- C
- C
Overview
We track home safety data for 5 ZIP codes in Lenexa, Kansas (population ~56,764), covering 2 community water systems serving approximately 633,014 people region-wide. The EPA snapshots used for this build directly map water systems to 4 of 5 ZIP codes.
2 of 4 ZIP codes with a reported violation count in the available EPA record (50%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Lenexa: C (66/100)
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
Lenexa water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0087 mg/L (EPA action level: 0.015 mg/L)
- 0 of 4 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 5 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | 6 | 2 |
| Contaminant 1008 | Other | 3 | 2 |
| Chlorite | Disinfection Byproducts | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 66215 | C | 4 | 0 | Water District 1 of Johnson Company |
| 66219 | C | 4 | 0 | Water District 1 of Johnson Company |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 66220 | C | Water District 1 of Johnson Company | 490,000 |
| 66227 | C | Water District 1 of Johnson Company | 490,000 |
All ZIP Codes in Lenexa
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.
Lenexa 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
What's in Lenexa's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Lenexa 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
Post-1986 construction is where the lower lead-solder risk lives, because that's when the federal ban on lead solder in plumbing took effect. In Lenexa, where the median build year is 1997, the housing stock falls broadly on the newer side of that threshold - a distribution that moderates aggregate plumbing-era risk compared to older housing markets.
Most homes in Lenexa 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 Lenexa
The household financial picture for Lenexa homeowners is proportionally favorable - addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.
Remediation costs in Lenexa are relatively low compared to home values. The $1,760–$3,720 estimated range is a small fraction of median property value. Home values are 179% above the Kansas average.
Lenexa: 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.
28% of housing in Lenexa predates the federal action against lead solder - a contained share - and aggregate readings stay beneath the regulatory benchmark. Lead therefore sits in a quiet position on the local water-quality picture, with single-home draws as the standard tool for confirming any one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Lenexa: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Lenexa contains 27 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $6,628. Among ZIP codes with claim records, 25% 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>$2,680</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 Lenexa
- 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. Filters rated for Lead and Copper Rule can reduce the most common contaminant found in Lenexa's water.
- 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 Lenexa, KS