Neighborhood Report
Grade C
Hamilton, OH Neighborhood Water Quality — Grade C
6 ZIP codes · 36 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Hamilton, OH. We analyzed 6 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (61/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 6 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Hamilton ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 45015 | 66 | C | 6 | 0.0039 mg/L |
| 2 | 45012 | 62 | C | 6 | 0.0039 mg/L |
| 3 | 45025 | 62 | C | 6 | 0.0039 mg/L |
| 4 | 45026 | 62 | C | 6 | 0.0039 mg/L |
| 5 | 45011 | 56 | C | 6 | 0.0039 mg/L |
| 6 | 45013 | 56 | C | 6 | 0.0039 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 4 neighborhoods score better than county average
- 2 neighborhoods score worse than county average
EPA Violations
- 36 total violations across Hamilton
- 0 health-based violations
- 6 of 6 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Total Trihalomethanes (TTHM) | 12 | 6 |
| Surface Water Treatment Rule | 12 | 6 |
| Lead and Copper Rule | 6 | 6 |
| Consumer Confidence Report Rule | 6 | 6 |
Frequently Asked Questions
What is the safest neighborhood in Hamilton?
ZIP code 45015 has the highest safety score in Hamilton at 66/100 (grade C). Check the full report for details.
Is Hamilton water safe to drink?
Hamilton has an average water safety score of 61/100 (C). 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.