East Olympia, WA Water Safety: 88/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Throughout East Olympia and across its water systems, EPA compliance data for WA shows above-average performance — violations are minimal, none of the tracked systems have recorded repeated MCL exceedances in recent cycles, and the safety picture has held steady across multiple reporting periods.
How East Olympia Compares
Data: EPA SDWIS Last verified: 2026-06-03
East Olympia's Water Providers
In East Olympia, WA, the drinking water supply is organized under a single dominant utility — a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.
Overview
We track water quality and home safety data for 1 ZIP code in East Olympia, Washington, covering 1 community water system serving approximately 50 people.
No EPA violations recorded across any ZIP codes in East Olympia — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for East Olympia: A (88/100)
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
East Olympia water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for East Olympia
- 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 |
|---|---|---|---|
| 98540 | A | Tahoma Valley Country Club | 50 |
All ZIP Codes in East Olympia
- 98540 [A]
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.
East Olympia 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
Deep Dive Reports
Detailed analysis for East Olympia, WA