Ada Water Quality Report
6 cities ranked · Average grade: D+ · Idaho
Avg Score
53.6
Cities Ranked
6
Health Violations
5
PFAS Detected
6
53.6
County avg score
6
Cities ranked
17%
A or B grade
67%
D or F grade
5
Health violations
6
PFAS detected
Grade Distribution
How Ada cities scored
A
1
17%
Excellent
B
0
0%
Good
C
1
17%
Fair
D
1
17%
Poor
F
3
50%
Failing
Comparison
County vs Idaho average
▼ 14.6 pts below state average
City Map
Water quality across Ada
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Ada
Best cities
Worst cities
County context
1
Superfund site in Ada
0.7%
of residents on fluoridated water (CDC, 2020)
4,668
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Ada
Industrial polluters nearby
Facilities reporting the most surface-water releases in Ada, 2023.
Total reported releases to surface water: 4,668 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
US EPA FUND-LEAD SUPERFUND SITE/BUNKER HILL CTP KELLOGG, ID83837 | Manganese compounds | 3,718 |
HECLA LTD LUCKY FRIDAY MINE UNIT MULLAN, ID83846 | Manganese And Manganese Compounds | 860 |
U.S. SILVER - IDAHO INC WALLACE, ID83873 | Lead And Lead Compounds | 90 |
SUNSHINE SILVER MINE KELLOGG, ID83837 | Manganese | 0 |
SPUNSTRAND INC. WALLACE, ID83873 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Ada
Superfund sites nearby
Federally tracked hazardous-waste sites within Ada on the EPA National Priorities List.
- BUNKER HILL MINING METALLURGICAL COMPLEX
Source: EPA Superfund National Priorities List
Full Rankings
All 6 cities in Ada
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Star | A | 94.2 | 14K | 26 | Unresolved | |
| 2 | Garden City | C- | 59.8 | 13K | 270 | Health PFAS Unresolved | |
| 3 | Kuna | D | 48.2 | 33K | 617 | Health Unresolved | |
| 4 | Eagle | F | 43.2 | 13K | 583 | Health Unresolved | |
| 5 | Meridian | F | 42.9 | 149K | 327 | Health PFAS Unresolved | |
| 6 | Boise | F | 33.6 | 286K | 2299 | Health PFAS Unresolved |