67.5
County avg score
5
Cities ranked
60%
A or B grade
40%
D or F grade
4
Health violations
2
PFAS detected
Grade Distribution
How Hillsborough cities scored
A
2
40%
Excellent
B
1
20%
Good
C
0
0%
Fair
D
1
20%
Poor
F
1
20%
Failing
Comparison
County vs Florida average
▼ 2.0 pts below state average
City Map
Water quality across Hillsborough
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Hillsborough
County context
13
Superfund sites in Hillsborough
94.5%
of residents on fluoridated water (CDC, 2020)
18,203
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Hillsborough
Industrial polluters nearby
Facilities reporting the most surface-water releases in Hillsborough, 2023.
Total reported releases to surface water: 18,203 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
TAMPA ELECTRIC CO BIG BEND POWER STATION APOLLO BEACH, FL33572 | Ammonia | 17,972 |
UFP TAMPA LLC TAMPA, FL33612 | Copper And Copper Compounds | 101 |
MOSAIC FERTILIZER LLC-RIVERVIEW RIVERVIEW, FL33578 | Zinc compounds | 85 |
TAMPA STEEL ERECTING CO TAMPA, FL33619 | Aluminum oxide (fibrous forms) | 26 |
INTERNATIONAL SHIP REPAIR & MARINE SERVICES INC. TAMPA, FL33605 | Aluminum oxide (fibrous forms) | 16 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Hillsborough
Superfund sites nearby
Federally tracked hazardous-waste sites within Hillsborough on the EPA National Priorities List.
- ALARIC AREA GW PLUME
- ARKLA TERRA PROPERTY
- HELENA CHEMICAL CO TAMPA PLANT
- JJ SEIFERT MACHINE
- MRI CORP TAMPA
+ 8 more sites
Source: EPA Superfund National Priorities List
Full Rankings
All 5 cities in Hillsborough
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Apollo Beach | A- | 86.7 | 1K | 7 | Unresolved | |
| 2 | Temple Terrace | A- | 85.6 | 31K | 14 | Health PFAS Unresolved | |
| 3 | Wimauma | B+ | 83.8 | 639 | 86 | Health Unresolved | |
| 4 | Plant City | D | 47 | 43K | 905 | Health Unresolved | |
| 5 | Tampa | F | 34.4 | 1.0M | 907 | Health PFAS Unresolved |