Summit Water Quality Report
6 cities ranked · Average grade: C+ · Colorado
Avg Score
65.9
Cities Ranked
6
Health Violations
5
PFAS Detected
2
65.9
County avg score
6
Cities ranked
33%
A or B grade
33%
D or F grade
5
Health violations
2
PFAS detected
Grade Distribution
How Summit cities scored
A
0
0%
Excellent
B
2
33%
Good
C
2
33%
Fair
D
1
17%
Poor
F
1
17%
Failing
Comparison
County vs Colorado average
▼ 0.2 pts below state average
City Map
Water quality across Summit
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Summit
County context
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Summit
Industrial polluters nearby
Facilities reporting the most surface-water releases in Summit, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
PEAK SILVERTHORNE BATCH PLANT SILVERTHORNE, CO80498 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 6 cities in Summit
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Breckenridge | B+ | 84.9 | 28K | 62 | Health Unresolved | |
| 2 | Copper Mountain | B+ | 82.8 | 6K | 3 | Health Unresolved | |
| 3 | Dillon | C+ | 67.8 | 9K | 34 | Unresolved | |
| 4 | Keystone | C | 61.9 | 11K | 69 | Health PFAS Lead Unresolved | |
| 5 | Silverthorne | D+ | 54.1 | 12K | 382 | Health Unresolved | |
| 6 | Frisco | F | 44 | 5K | 546 | Health Unresolved |