Neighborhood Report
Grade D
Concord, NH Neighborhood Water Quality — Grade D
4 ZIP codes · 84 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Concord, NH. We analyzed 4 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade D (54/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 1 | 25% |
| D | 3 | 75% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Concord ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 03302 | 58 | C | 21 | 0.0010 mg/L |
| 2 | 03301 | 53 | D | 21 | 0.0010 mg/L |
| 3 | 03303 | 53 | D | 21 | 0.0010 mg/L |
| 4 | 03305 | 50 | D | 21 | 0.0010 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 0 neighborhoods score better than county average
- 4 neighborhoods score worse than county average
EPA Violations
- 84 total violations across Concord
- 56 health-based violations
- 4 of 4 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Total Trihalomethanes (TTHM) | 36 | 4 |
| Consumer Confidence Report Rule | 24 | 4 |
| Total Coliform | 8 | 4 |
| Surface Water Treatment Rule | 4 | 4 |
| Lead and Copper Rule | 4 | 4 |
Frequently Asked Questions
What is the safest neighborhood in Concord?
ZIP code 03302 has the highest safety score in Concord at 58/100 (grade C). Check the full report for details.
Is Concord water safe to drink?
Concord has an average water safety score of 54/100 (D). 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.