Ohio — 1st District
119th Congress · 9 ZIP codes · Avg score 53/100 · Grade D · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
9 ZIP codes tracked in Ohio's 1st District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 45005 | Franklin | 63 | C | 4 |
| 2 | 45065 | South Lebanon | 61 | C | 9 |
| 3 | 45066 | Springboro | 61 | C | 0 |
| 4 | 45152 | Morrow | 61 | C | 8 (1 health) |
| 5 | 45039 | Maineville | 53 | D | 0 |
| 6 | 45162 | Pleasant Plain | 53 | D | 0 |
| 7 | 45068 | Waynesville | 49 | D | 871 (5 health) |
| 8 | 45032 | Harveysburg | 40 | D | 0 |
| 9 | 45034 | Kings Mills | 40 | D | 0 |
Overview
Ohio's 1st District serving an estimated 146,917 residents encompasses 9 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (53/100).
892 EPA violations have been recorded across this district's water systems. 6 are health-based violations. About 44% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule — 58 violations
- Lead and Copper Rule — 37 violations
- Contaminant 4002 — 34 violations
- Radium-228 — 34 violations
- PFOA — 32 violations
Housing Context
Homes in this district were built on average around 1983 (~43 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 9 ZIP codes in Ohio's 1st District.