Lyon Water Quality Report
5 cities ranked · Average grade: A- · Iowa
Avg Score
88
Cities Ranked
5
Health Violations
5
PFAS Detected
1
88
County avg score
5
Cities ranked
100%
A or B grade
0%
D or F grade
5
Health violations
1
PFAS detected
Grade Distribution
How Lyon cities scored
A
3
60%
Excellent
B
2
40%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▲ 0.5 pts above state average
City Map
Water quality across Lyon
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Lyon
Best cities
Worst cities
County context
23.2%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 5 cities in Lyon
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Inwood | A | 93.3 | 928 | 10 | Health Unresolved | |
| 2 | Larchwood | A | 91.8 | 926 | 19 | Health Unresolved | |
| 3 | George | A- | 89.6 | 1K | 26 | Health Unresolved | |
| 4 | Doon | B+ | 83.1 | 2K | 69 | Health Unresolved | |
| 5 | Rock Rapids | B+ | 82.2 | 6K | 36 | Health Unresolved |