St. Louis City Water Quality Report
1 cities ranked · Average grade: F · Missouri
Avg Score
40.9
Cities Ranked
1
Health Violations
1
PFAS Detected
1
40.9
County avg score
1
Cities ranked
0%
A or B grade
100%
D or F grade
1
Health violations
1
PFAS detected
Grade Distribution
How St. Louis City cities scored
A
0
0%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
100%
Failing
Comparison
County vs Missouri average
▼ 37.8 pts below state average
City Map
Water quality across St. Louis City
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in St. Louis City
Best cities
Worst cities
County context
34.1%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in St. Louis City
Industrial polluters nearby
Facilities reporting the most surface-water releases in St. Louis City, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
ILLINOIS TOOL WORKS ELECTRONIC ASSEMBLY EQUIPMENT (ITWEAE) CAMDENTON, MO65020 | — | — |
OZARK READY MIX - OSAGE BEACH OSAGE BEACH, MO65065 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 1 cities in St. Louis City
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | St. Louis | F | 40.9 | 305K | 189 | Health Unresolved |