Boise Water Quality Report
3 cities ranked · Average grade: C- · Idaho
Avg Score
58.5
Cities Ranked
3
Health Violations
3
PFAS Detected
0
58.5
County avg score
3
Cities ranked
33%
A or B grade
33%
D or F grade
3
Health violations
0
PFAS detected
Grade Distribution
How Boise cities scored
A
0
0%
Excellent
B
1
33%
Good
C
1
33%
Fair
D
1
33%
Poor
F
0
0%
Failing
Comparison
County vs Idaho average
▼ 9.7 pts below state average
City Map
Water quality across Boise
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Boise
Best cities
Worst cities
County context
37.5%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 3 cities in Boise
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Idaho City | B- | 71.9 | 641 | 160 | Health Unresolved | |
| 2 | Horseshoe Bend | C- | 57.6 | 801 | 184 | Health Unresolved | |
| 3 | Garden Valley | D | 46 | 1K | 518 | Health Unresolved |