Neighborhood Report
Grade A
Seattle, WA Neighborhood Water Quality — Grade A
62 ZIP codes · 62 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Seattle, WA. We analyzed 62 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (95/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 62 | 100% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Seattle ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 98111 | 99 | A | 1 | 0.0035 mg/L |
| 2 | 98113 | 99 | A | 1 | 0.0035 mg/L |
| 3 | 98114 | 99 | A | 1 | 0.0035 mg/L |
| 4 | 98124 | 99 | A | 1 | 0.0035 mg/L |
| 5 | 98127 | 99 | A | 1 | 0.0035 mg/L |
| 6 | 98129 | 99 | A | 1 | 0.0035 mg/L |
| 7 | 98131 | 99 | A | 1 | 0.0035 mg/L |
| 8 | 98132 | 99 | A | 1 | 0.0035 mg/L |
| 9 | 98134 | 99 | A | 1 | 0.0035 mg/L |
| 10 | 98138 | 99 | A | 1 | 0.0035 mg/L |
| 11 | 98139 | 99 | A | 1 | 0.0035 mg/L |
| 12 | 98141 | 99 | A | 1 | 0.0035 mg/L |
| 13 | 98145 | 99 | A | 1 | 0.0035 mg/L |
| 14 | 98154 | 99 | A | 1 | 0.0035 mg/L |
| 15 | 98158 | 99 | A | 1 | 0.0035 mg/L |
| 16 | 98160 | 99 | A | 1 | 0.0035 mg/L |
| 17 | 98161 | 99 | A | 1 | 0.0035 mg/L |
| 18 | 98164 | 99 | A | 1 | 0.0035 mg/L |
| 19 | 98165 | 99 | A | 1 | 0.0035 mg/L |
| 20 | 98170 | 99 | A | 1 | 0.0035 mg/L |
| 21 | 98171 | 99 | A | 1 | 0.0035 mg/L |
| 22 | 98174 | 99 | A | 1 | 0.0035 mg/L |
| 23 | 98175 | 99 | A | 1 | 0.0035 mg/L |
| 24 | 98181 | 99 | A | 1 | 0.0035 mg/L |
| 25 | 98185 | 99 | A | 1 | 0.0035 mg/L |
| 26 | 98189 | 99 | A | 1 | 0.0035 mg/L |
| 27 | 98190 | 99 | A | 1 | 0.0035 mg/L |
| 28 | 98191 | 99 | A | 1 | 0.0035 mg/L |
| 29 | 98194 | 99 | A | 1 | 0.0035 mg/L |
| 30 | 98195 | 99 | A | 1 | 0.0035 mg/L |
| 31 | 98101 | 95 | A | 1 | 0.0035 mg/L |
| 32 | 98102 | 95 | A | 1 | 0.0035 mg/L |
| 33 | 98103 | 95 | A | 1 | 0.0035 mg/L |
| 34 | 98104 | 95 | A | 1 | 0.0035 mg/L |
| 35 | 98105 | 95 | A | 1 | 0.0035 mg/L |
| 36 | 98107 | 95 | A | 1 | 0.0035 mg/L |
| 37 | 98109 | 95 | A | 1 | 0.0035 mg/L |
| 38 | 98118 | 95 | A | 1 | 0.0035 mg/L |
| 39 | 98119 | 95 | A | 1 | 0.0035 mg/L |
| 40 | 98121 | 95 | A | 1 | 0.0035 mg/L |
| 41 | 98122 | 95 | A | 1 | 0.0035 mg/L |
| 42 | 98144 | 95 | A | 1 | 0.0035 mg/L |
| 43 | 98148 | 95 | A | 1 | 0.0035 mg/L |
| 44 | 98168 | 95 | A | 1 | 0.0035 mg/L |
| 45 | 98188 | 95 | A | 1 | 0.0035 mg/L |
| 46 | 98106 | 90 | A | 1 | 0.0035 mg/L |
| 47 | 98108 | 90 | A | 1 | 0.0035 mg/L |
| 48 | 98112 | 90 | A | 1 | 0.0035 mg/L |
| 49 | 98115 | 90 | A | 1 | 0.0035 mg/L |
| 50 | 98116 | 90 | A | 1 | 0.0035 mg/L |
| 51 | 98117 | 90 | A | 1 | 0.0035 mg/L |
| 52 | 98125 | 90 | A | 1 | 0.0035 mg/L |
| 53 | 98126 | 90 | A | 1 | 0.0035 mg/L |
| 54 | 98133 | 90 | A | 1 | 0.0035 mg/L |
| 55 | 98136 | 90 | A | 1 | 0.0035 mg/L |
| 56 | 98146 | 90 | A | 1 | 0.0035 mg/L |
| 57 | 98155 | 90 | A | 1 | 0.0035 mg/L |
| 58 | 98177 | 90 | A | 1 | 0.0035 mg/L |
| 59 | 98178 | 90 | A | 1 | 0.0035 mg/L |
| 60 | 98198 | 90 | A | 1 | 0.0035 mg/L |
| 61 | 98199 | 90 | A | 1 | 0.0035 mg/L |
| 62 | 98166 | 85 | A | 1 | 0.0035 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 45 neighborhoods score better than county average
- 17 neighborhoods score worse than county average
EPA Violations
- 62 total violations across Seattle
- 0 health-based violations
- 62 of 62 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Surface Water Treatment Rule | 62 | 62 |
Frequently Asked Questions
What is the safest neighborhood in Seattle?
ZIP code 98111 has the highest safety score in Seattle at 99/100 (grade A). Check the full report for details.
Is Seattle water safe to drink?
Seattle has an average water safety score of 95/100 (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.