Clay Water Quality Report
9 cities ranked · Average grade: B+ · Missouri
Avg Score
84.6
Cities Ranked
9
Health Violations
7
PFAS Detected
9
84.6
County avg score
9
Cities ranked
89%
A or B grade
0%
D or F grade
7
Health violations
9
PFAS detected
Grade Distribution
How Clay cities scored
A
3
33%
Excellent
B
5
56%
Good
C
1
11%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Missouri average
▲ 5.9 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
County context
2
Superfund sites in Clay
48.5%
of residents on fluoridated water (CDC, 2020)
350
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.
Total reported releases to surface water: 350 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
LMV AUTOMOTIVE SYSTEMS LIBERTY, MO64068 | Manganese | 345 |
HENKEL US OPERATIONS CORP NORTH KANSAS CITY, MO64116 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 5 |
AMERICAN ITALIAN PASTA CO EXCELSIOR SPRINGS, MO64024 | — | — |
EXCELSIOR SPRINGS SEATING SYSTEMS EXCELSIOR SPRINGS, MO64024 | — | — |
VARIFORM INC KEARNEY, MO64060 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Clay
Superfund sites nearby
Federally tracked hazardous-waste sites within Clay on the EPA National Priorities List.
- ARMOUR ROAD
- LEE CHEMICAL
Source: EPA Superfund National Priorities List
Full Rankings
All 9 cities in Clay
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Polo | A | 93.7 | 12K | 6 | Health Unresolved | |
| 2 | Holt | A | 93.2 | 3K | 11 | Health Unresolved | |
| 3 | Smithville | A | 90.7 | 13K | 46 | Health Unresolved | |
| 4 | Polo | B+ | 84.8 | 15K | 7 | Health Unresolved | |
| 5 | Gladstone | B+ | 84.2 | 27K | 1 | Unresolved | |
| 6 | Kearney | B+ | 83.5 | 19K | 17 | Health Unresolved | |
| 7 | N. Kansas City | B+ | 82 | 5K | 4 | Unresolved | |
| 8 | Excelsior Spgs. | B+ | 81.5 | 11K | 22 | Health Unresolved | |
| 9 | Liberty | C+ | 68 | 37K | 50 | Health Unresolved |