Neighborhood Report
Grade A
Olympia, WA Neighborhood Water Quality — Grade A
11 ZIP codes · 22 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Olympia, WA. We analyzed 11 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (93/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 10 | 91% |
| B | 1 | 9% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Olympia ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 98504 | 98 | A | 2 | 0.0042 mg/L |
| 2 | 98505 | 98 | A | 2 | 0.0042 mg/L |
| 3 | 98508 | 98 | A | 2 | 0.0042 mg/L |
| 4 | 98599 | 98 | A | 2 | 0.0042 mg/L |
| 5 | 98506 | 94 | A | 2 | 0.0042 mg/L |
| 6 | 98507 | 94 | A | 2 | 0.0042 mg/L |
| 7 | 98516 | 94 | A | 2 | 0.0042 mg/L |
| 8 | 98501 | 89 | A | 2 | 0.0042 mg/L |
| 9 | 98502 | 89 | A | 2 | 0.0042 mg/L |
| 10 | 98512 | 89 | A | 2 | 0.0042 mg/L |
| 11 | 98513 | 84 | B | 2 | 0.0042 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 7 neighborhoods score better than county average
- 4 neighborhoods score worse than county average
EPA Violations
- 22 total violations across Olympia
- 0 health-based violations
- 11 of 11 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 22 | 11 |
Frequently Asked Questions
What is the safest neighborhood in Olympia?
ZIP code 98504 has the highest safety score in Olympia at 98/100 (grade A). Check the full report for details.
Is Olympia water safe to drink?
Olympia has an average water safety score of 93/100 (A). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.