Johnson Water Quality Report
6 cities ranked · Average grade: A- · Missouri
Avg Score
88
Cities Ranked
6
Health Violations
4
PFAS Detected
3
88
County avg score
6
Cities ranked
100%
A or B grade
0%
D or F grade
4
Health violations
3
PFAS detected
Grade Distribution
How Johnson cities scored
A
4
67%
Excellent
B
2
33%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Missouri average
▲ 9.3 pts above state average
City Map
Water quality across Johnson
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Johnson
Best cities
Worst cities
County context
52.7%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Johnson
Industrial polluters nearby
Facilities reporting the most surface-water releases in Johnson, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
MASTER MARBLE INC. HOLDEN, MO64040 | — | — |
STAHL SPECIALTY CO KINGSVILLE, MO64061 | — | — |
ENERSYS ENERGY PRODUCTS INC ( FORMERLY HAWKER ENERGY) WARRENSBURG, MO64093 | — | — |
STAHL SPECIALTY CO WARRENSBURG, MO64093 | — | — |
US DOD USAF WHITEMAN AFB WHITEMAN AIR FORCE BASE, MO65305 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 6 cities in Johnson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Knob Noster | A | 91.7 | 3K | 36 | Health Unresolved | |
| 2 | Holden | A | 91.3 | 15K | 23 | Health Unresolved | |
| 3 | Whiteman Afb | A | 90.2 | 10K | 7 | Health Unresolved | |
| 4 | Leeton | A- | 88.6 | 601 | 9 | Unresolved | |
| 5 | Saline | B+ | 84 | 1K | 25 | Health Unresolved | |
| 6 | Warrensburg | B+ | 82.2 | 27K | 8 | Unresolved |