North Washington, IA: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
In recent EPA cycles, North Washington shows a persistent below-average water quality pattern within IA — documented violations span multiple service areas and have appeared consistently across reporting periods.
How North Washington Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for North Washington Residents
- Estimated remediation: $1,200 per household.
- CDC health risk index: 14.33 — above typical levels.
North Washington's Water Providers
Federal records track 1 water system in North Washington, IA, and a single provider handles the dominant share of residential connections while carrying primary responsibility for EPA compliance.
Overview
We track water quality and home safety data for 1 ZIP code in North Washington, Iowa, covering 1 community water system serving approximately 227 people.
No EPA violations recorded across any ZIP codes in North Washington — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for North Washington: 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
North Washington water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for North Washington
- 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 |
|---|---|---|---|
| 50661 | D | ALTA VISTA WATER DEPARTMENT | 227 |
All ZIP Codes in North Washington
- 50661 [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.
North Washington 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 You Can Do in North Washington
- 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 North Washington, IA