Airway Heights, WA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
Federal monitoring data for Airway Heights puts the city in WA's lower safety tier — exceedances show up in multiple utility districts, several systems have met thresholds requiring public notification under the Safe Drinking Water Act, and the compliance deficit has persisted across more than one consecutive reporting cycle, with no clear reversal visible in the most recent data available.
How Airway Heights Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About Airway Heights Water
- Homes built before 1986: 25% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 12.04 — above typical levels.
Who Supplies Your Water in Airway Heights
Because residential water in Airway Heights, WA flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Airway Heights, Washington (population ~8,931), covering 1 community water system serving approximately 343,167 people region-wide.
No EPA violations recorded across any ZIP codes in Airway Heights — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Airway Heights: 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
Airway Heights water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Airway Heights
- 0 ZIP codes 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 |
|---|---|---|---|
| 99001 | D | SPOKANE CITY OF | 343,167 |
All ZIP Codes in Airway Heights
- 99001 [D]
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.
Health Outcomes in Airway Heights
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
Housing & Infrastructure in Airway Heights
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
A post-1986 majority in Airway Heights's housing inventory — median build year 2004 — generally signals lower aggregate plumbing-era lead risk.
Most homes in Airway Heights 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.
Cost Context: What Remediation Means for Airway Heights Homeowners
At current valuations, Airway Heights sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Airway Heights are relatively low compared to home values. The $1,200–$2,300 estimated range is a small fraction of median property value. Home values are 40% below the Washington average.
Lead Exposure Risk for Children in Airway Heights
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.
In Airway Heights, the older-stock footprint runs at 25% — a contained slice — and aggregate utility readings land safely under the EPA action mark. That keeps lead off the local priority list, with a one-faucet draw remaining the only direct read on a specific address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Airway Heights
- 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 Airway Heights, WA