Bellingham, WA Neighborhood Water Quality — Grade A
5 ZIP codes · 10 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Bellingham, WA. We analyzed 5 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade A (89/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 4 | 80% |
| B | 1 | 20% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Bellingham ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 98227 | 93 | A | 2 | 0.0034 mg/L |
| 2 | 98228 | 93 | A | 2 | 0.0034 mg/L |
| 3 | 98225 | 88 | A | 2 | 0.0034 mg/L |
| 4 | 98229 | 88 | A | 2 | 0.0034 mg/L |
| 5 | 98226 | 83 | B | 2 | 0.0034 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 4 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 10 total violations across Bellingham
- 0 health-based violations
- 5 of 5 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Total Trihalomethanes (TTHM) | 5 | 5 |
| Surface Water Treatment Rule | 5 | 5 |
Frequently Asked Questions
What is the safest neighborhood in Bellingham?
ZIP code 98227 has the highest safety score in Bellingham at 93/100 (grade A). Check the full report for details.
Is Bellingham water safe to drink?
Bellingham has an average water safety score of 89/100 (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.