Neighborhood Report
Grade B
Concord, CA Neighborhood Water Quality — Grade B
8 ZIP codes · 32 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Concord, CA. We analyzed 8 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade B (78/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 1 | 13% |
| B | 7 | 88% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Concord ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 94522 | 91 | A | 4 | 0.0031 mg/L |
| 2 | 94519 | 79 | B | 4 | 0.0031 mg/L |
| 3 | 94524 | 79 | B | 4 | 0.0031 mg/L |
| 4 | 94527 | 78 | B | 4 | 0.0031 mg/L |
| 5 | 94529 | 78 | B | 4 | 0.0031 mg/L |
| 6 | 94518 | 74 | B | 4 | 0.0031 mg/L |
| 7 | 94520 | 74 | B | 4 | 0.0031 mg/L |
| 8 | 94521 | 74 | B | 4 | 0.0031 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 8 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 32 total violations across Concord
- 8 health-based violations
- 8 of 8 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Stage 1 DBP Rule | 16 | 8 |
| Stage 2 DBP Rule | 16 | 8 |
Frequently Asked Questions
What is the safest neighborhood in Concord?
ZIP code 94522 has the highest safety score in Concord at 91/100 (grade A). Check the full report for details.
Is Concord water safe to drink?
Concord has an average water safety score of 78/100 (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.