Seahurst, WA Water Safety: 66/100 (2026)
1 ZIP code · 1 water system · Updated 2026-07-16
ZipCheckup grade for Seahurst: C.
A mixed picture - some signals here are worth your attention.
Compared to top-scoring cities in WA, Seahurst lands in the middle tier - some water systems meet standards cleanly, others carry documented violations, and performance can vary significantly across service areas.
How Seahurst Compares
Data: EPA SDWIS Last verified: 2026-07-16
Who Supplies Your Water in Seahurst
Supply infrastructure in Seahurst, WA runs through a single dominant provider - the main entity among 1 tracked system through which rate decisions, infrastructure work, and federal compliance are managed.
- C
Overview
We track water quality and home safety data for 1 ZIP code in Seahurst, Washington, covering 1 community water system serving approximately 1,091,904 people.
No EPA violations are recorded for the tracked water systems in Seahurst as of the latest reporting period.
Home Safety Score
Average Home Safety Score for Seahurst: C (66/100)
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
Seahurst water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Seahurst
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 98062 | C | SEATTLE PUBLIC UTILITIES | 1,091,904 |
All ZIP Codes in Seahurst
- 98062 [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
Updated daily.
Health Outcomes in Seahurst
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 Seahurst
- 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 Seahurst, WA