Miami Water Quality Report
7 cities ranked · Average grade: B · Ohio
Avg Score
78.4
Cities Ranked
7
Health Violations
3
PFAS Detected
1
78.4
County avg score
7
Cities ranked
71%
A or B grade
0%
D or F grade
3
Health violations
1
PFAS detected
Grade Distribution
How Miami cities scored
A
2
29%
Excellent
B
3
43%
Good
C
2
29%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Ohio average
▲ 1.1 pts above state average
City Map
Water quality across Miami
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Miami
Worst cities
County context
3
Superfund sites in Miami
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Miami
Industrial polluters nearby
Facilities reporting the most surface-water releases in Miami, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
PERRIGO PBM COVINGTON LLC COVINGTON, OH45318 | — | — |
HARTZELL FAN INC PIQUA, OH45356 | — | — |
HARTZELL PROPELLER PIQUA, OH45356 | — | — |
HOBART BROTHERS FILLER METALS OPERATION - PIQUA PIQUA, OH45356 | — | — |
IDC SPRING (9200 PIQUA) PIQUA, OH45356 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Miami
Superfund sites nearby
Federally tracked hazardous-waste sites within Miami on the EPA National Priorities List.
- EAST TROY CONTAMINATED AQUIFER
- MIAMI COUNTY INCINERATOR
- WEST TROY CONTAMINATED AQUIFER
Source: EPA Superfund National Priorities List
Full Rankings
All 7 cities in Miami
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Pleasant Hill | A- | 89 | 1K | 10 | Unresolved | |
| 2 | Covington | A- | 86.1 | 3K | 16 | Unresolved | |
| 3 | Rossburg | B+ | 84.8 | 26K | 3 | Unresolved | |
| 4 | West Milton | B+ | 80 | 5K | 86 | Health Unresolved | |
| 5 | Piqua | B | 76.4 | 23K | 55 | Health Unresolved | |
| 6 | Tipp City | C+ | 68.8 | 25K | 234 | Unresolved | |
| 7 | Troy | C | 63.7 | 7K | 46 | Health Unresolved |