Clay Water Quality Report
4 cities ranked · Average grade: A- · Illinois
Avg Score
89.4
Cities Ranked
4
Health Violations
4
PFAS Detected
0
89.4
County avg score
4
Cities ranked
100%
A or B grade
0%
D or F grade
4
Health violations
0
PFAS detected
Grade Distribution
How Clay cities scored
A
4
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Illinois average
▲ 9.7 pts above state average
City Map
Water quality across Clay
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Clay
Best cities
Worst cities
County context
100.0%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Clay
Industrial polluters nearby
Facilities reporting the most surface-water releases in Clay, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
HELLA ELECTRONICS CORP FLORA, IL62839 | — | — |
SHERWIN-WILLIAMS CO FLORA, IL62839 | — | — |
NORTH AMERICAN LIGHTING INC FLORA, IL62839 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 4 cities in Clay
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Flora | A | 90.7 | 7K | 14 | Health Unresolved | |
| 2 | Clay City | A | 90.6 | 957 | 15 | Health Unresolved | |
| 3 | Xenia | A- | 88.6 | 542 | 21 | Health Unresolved | |
| 4 | Louisville | A- | 87.8 | 1K | 19 | Health Unresolved |