Seminole Water Quality Report
10 cities ranked · Average grade: C+ · Florida
Avg Score
68.1
Cities Ranked
10
Health Violations
9
PFAS Detected
5
68.1
County avg score
10
Cities ranked
60%
A or B grade
30%
D or F grade
9
Health violations
5
PFAS detected
Grade Distribution
How Seminole cities scored
A
2
20%
Excellent
B
4
40%
Good
C
1
10%
Fair
D
1
10%
Poor
F
2
20%
Failing
Comparison
County vs Florida average
▼ 0.8 pts below state average
City Map
Water quality across Seminole
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Seminole
County context
2
Superfund sites in Seminole
82.3%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Seminole
Industrial polluters nearby
Facilities reporting the most surface-water releases in Seminole, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
MASCHMEYER-CASSELBERRY RM LONGWOOD, FL32750 | — | — |
ROTO OPS LLC LAKE MARY, FL32746 | — | — |
TITAN FLORIDA-LONGWOOD RMC PLANT LONGWOOD, FL32750 | — | — |
CORE PIPE PRODUCTS INC. SANFORD, FL32771 | — | — |
DECIMAL LLC SANFORD, FL32771 | — | — |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Seminole
Superfund sites nearby
Federally tracked hazardous-waste sites within Seminole on the EPA National Priorities List.
- GENERAL DYNAMICS LONGWOOD
- SANFORD DRY CLEANERS
Source: EPA Superfund National Priorities List
Full Rankings
All 10 cities in Seminole
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Winter Pk/Casselbery | A- | 87.5 | 70K | 23 | Unresolved | |
| 2 | Chuluota | A- | 86.9 | 4K | 40 | Health Unresolved | |
| 3 | Winter Springs | B | 79.8 | 35K | 38 | Health PFAS Unresolved | |
| 4 | Casselberry | B | 79.2 | 56K | 37 | Health Unresolved | |
| 5 | Lake Mary | B | 75.2 | 37K | 63 | Health Unresolved | |
| 6 | Oviedo | B- | 73.3 | 50K | 56 | Health Unresolved | |
| 7 | Altamonte Springs | C+ | 68.1 | 60K | 125 | Health Unresolved | |
| 8 | Geneva | D+ | 50 | 2K | 114 | Health Unresolved | |
| 9 | Longwood | F | 43.8 | 61K | 558 | Health Unresolved | |
| 10 | Sanford | F | 36.8 | 116K | 229 | Health PFAS Unresolved |