Neighborhood Report
Grade B
Pasco, WA Neighborhood Water Quality — Grade B
2 ZIP codes · 26 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Pasco, WA. We analyzed 2 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (80/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 2 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Pasco ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 99301 | 80 | B | 13 | 0.0019 mg/L |
| 2 | 99302 | 79 | B | 13 | 0.0019 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 2 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 26 total violations across Pasco
- 6 health-based violations
- 2 of 2 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Nickel | 10 | 2 |
| Total Organic Carbon | 8 | 2 |
| Total Trihalomethanes (TTHM) | 4 | 2 |
| Lead | 2 | 2 |
| Consumer Confidence Report Rule | 2 | 2 |
Frequently Asked Questions
What is the safest neighborhood in Pasco?
ZIP code 99301 has the highest safety score in Pasco at 80/100 (grade B). Check the full report for details.
Is Pasco water safe to drink?
Pasco has an average water safety score of 80/100 (B). 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.