Valley Water Quality Report
2 cities ranked · Average grade: C+ · Montana
Avg Score
69.5
Cities Ranked
2
Health Violations
2
PFAS Detected
0
69.5
County avg score
2
Cities ranked
50%
A or B grade
0%
D or F grade
2
Health violations
0
PFAS detected
Grade Distribution
How Valley cities scored
A
0
0%
Excellent
B
1
50%
Good
C
1
50%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Montana average
▲ 3.8 pts above state average
City Map
Water quality across Valley
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Valley
Best cities
Worst cities
Full Rankings