Tacoma, WA Neighborhood Water Quality — Grade A
38 ZIP codes · 76 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Tacoma, WA. We analyzed 38 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (94/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 37 | 97% |
| B | 1 | 3% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Tacoma ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 98401 | 97 | A | 2 | 0.0010 mg/L |
| 2 | 98411 | 97 | A | 2 | 0.0010 mg/L |
| 3 | 98412 | 97 | A | 2 | 0.0010 mg/L |
| 4 | 98413 | 97 | A | 2 | 0.0010 mg/L |
| 5 | 98415 | 97 | A | 2 | 0.0010 mg/L |
| 6 | 98416 | 97 | A | 2 | 0.0010 mg/L |
| 7 | 98417 | 97 | A | 2 | 0.0010 mg/L |
| 8 | 98419 | 97 | A | 2 | 0.0010 mg/L |
| 9 | 98431 | 97 | A | 2 | 0.0010 mg/L |
| 10 | 98433 | 97 | A | 2 | 0.0010 mg/L |
| 11 | 98442 | 97 | A | 2 | 0.0010 mg/L |
| 12 | 98447 | 97 | A | 2 | 0.0010 mg/L |
| 13 | 98448 | 97 | A | 2 | 0.0010 mg/L |
| 14 | 98455 | 97 | A | 2 | 0.0010 mg/L |
| 15 | 98460 | 97 | A | 2 | 0.0010 mg/L |
| 16 | 98464 | 97 | A | 2 | 0.0010 mg/L |
| 17 | 98471 | 97 | A | 2 | 0.0010 mg/L |
| 18 | 98481 | 97 | A | 2 | 0.0010 mg/L |
| 19 | 98490 | 97 | A | 2 | 0.0010 mg/L |
| 20 | 98493 | 97 | A | 2 | 0.0010 mg/L |
| 21 | 98402 | 93 | A | 2 | 0.0010 mg/L |
| 22 | 98403 | 93 | A | 2 | 0.0010 mg/L |
| 23 | 98405 | 93 | A | 2 | 0.0010 mg/L |
| 24 | 98406 | 93 | A | 2 | 0.0010 mg/L |
| 25 | 98407 | 93 | A | 2 | 0.0010 mg/L |
| 26 | 98408 | 93 | A | 2 | 0.0010 mg/L |
| 27 | 98409 | 93 | A | 2 | 0.0010 mg/L |
| 28 | 98418 | 93 | A | 2 | 0.0010 mg/L |
| 29 | 98421 | 93 | A | 2 | 0.0010 mg/L |
| 30 | 98465 | 93 | A | 2 | 0.0010 mg/L |
| 31 | 98404 | 88 | A | 2 | 0.0010 mg/L |
| 32 | 98422 | 88 | A | 2 | 0.0010 mg/L |
| 33 | 98424 | 88 | A | 2 | 0.0010 mg/L |
| 34 | 98444 | 88 | A | 2 | 0.0010 mg/L |
| 35 | 98445 | 88 | A | 2 | 0.0010 mg/L |
| 36 | 98446 | 88 | A | 2 | 0.0010 mg/L |
| 37 | 98466 | 88 | A | 2 | 0.0010 mg/L |
| 38 | 98443 | 83 | B | 2 | 0.0010 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 30 neighborhoods score better than county average
- 8 neighborhoods score worse than county average
EPA Violations
- 76 total violations across Tacoma
- 0 health-based violations
- 38 of 38 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Lead | 38 | 38 |
| Haloacetic Acids (HAA5) | 38 | 38 |
Frequently Asked Questions
What is the safest neighborhood in Tacoma?
ZIP code 98401 has the highest safety score in Tacoma at 97/100 (grade A). Check the full report for details.
Is Tacoma water safe to drink?
Tacoma has an average water safety score of 94/100 (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.