Mission, KS: High Radon Risk — 40/100 (2026)
4 ZIP codes · 1 water system · Updated 2026-06-03
Water systems serving Mission record elevated violation rates against KS benchmarks — residents in affected areas may want to check their local system's current compliance status.
How Mission Compares
Data: EPA SDWIS Last verified: 2026-06-03
Mission Water: The Quick Version
- Estimated remediation: $2,050 per household.
- CDC health risk index: 10.83.
Water Systems Serving Mission
For most households in Mission, KS, tap water comes from one provider — the utility that controls the local distribution system out of 1 tracked in federal record.
Overview
We track water quality and home safety data for 4 ZIP codes in Mission, Kansas (population ~31,049), covering 1 community water system serving approximately 482,000 people region-wide.
No EPA violations recorded across any ZIP codes in Mission — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Mission: D (40/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Mission water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Mission
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 4 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 66201 | D | WATER DISTRICT 1 OF JOHNSON CO | 482,000 |
| 66202 | D | WATER DISTRICT 1 OF JOHNSON CO | 482,000 |
| 66205 | D | WATER DISTRICT 1 OF JOHNSON CO | 482,000 |
| 66222 | D | WATER DISTRICT 1 OF JOHNSON CO | 482,000 |
All ZIP Codes in Mission
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
Updated daily.
CDC Health Data for Mission
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
Mission: Remediation Cost in Perspective
Property equity in Mission runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Mission are relatively low compared to home values. The $1,350–$2,800 estimated range is a small fraction of median property value. Home values are 125% above the Kansas average.
Climate-Related Water Risk for Mission
FEMA data shows 50% of Mission's ZIP codes mapped into designated flood zones, paired with an NFIP record of 259 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
Mission has a moderate flood history with 259 FEMA claims averaging $7,302 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$2,050</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Mission
- 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.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Mission, KS