Jefferson Water Quality Report
9 cities ranked · Average grade: C+ · Colorado
Avg Score
66.3
Cities Ranked
9
Health Violations
8
PFAS Detected
4
66.3
County avg score
9
Cities ranked
56%
A or B grade
33%
D or F grade
8
Health violations
4
PFAS detected
Grade Distribution
How Jefferson cities scored
A
1
11%
Excellent
B
4
44%
Good
C
1
11%
Fair
D
1
11%
Poor
F
2
22%
Failing
Comparison
County vs Colorado average
▲ 0.2 pts above state average
City Map
Water quality across Jefferson
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Jefferson
Best cities
Worst cities
County context
3
Superfund sites in Jefferson
63
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Jefferson
Industrial polluters nearby
Facilities reporting the most surface-water releases in Jefferson, 2023.
Total reported releases to surface water: 63 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
NESTLE PURINA PETCARE CO DENVER, CO80216 | Manganese And Manganese Compounds | 61 |
BAND IT IDEX INC DENVER, CO80216 | Nickel | 2 |
US MIX DENVER, CO80223 | Lead And Lead Compounds | 0 |
CALIFORNIA EXPANDED METALS CO DENVER, CO80204 | — | — |
SMYRNA READY MIX CONCRETE LLC - QUIVAS READY MIX DENVER, CO80204 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Jefferson
Superfund sites nearby
Federally tracked hazardous-waste sites within Jefferson on the EPA National Priorities List.
- CHEMICAL SALES CO
- DENVER RADIUM SITE
- VASQUEZ BOULEVARD AND I 70
Source: EPA Superfund National Priorities List
Full Rankings
All 9 cities in Jefferson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Edgewater | A- | 89.8 | 5K | 4 | Unresolved | |
| 2 | Arvada | B+ | 83.5 | 173K | 7 | Health Unresolved | |
| 3 | Conifer | B+ | 83.5 | 2K | 66 | Health Unresolved | |
| 4 | Indian Hills | B | 75.5 | 1K | 34 | Health Unresolved | |
| 5 | Golden | B- | 70.5 | 55K | 175 | Health Unresolved | |
| 6 | Morrison | C+ | 69.9 | 10K | 167 | Health Unresolved | |
| 7 | Wheat Ridge | D | 45 | 41K | 347 | Health Unresolved | |
| 8 | Evergreen | F | 41.8 | 17K | 178 | Health Unresolved | |
| 9 | Lakewood | F | 36.9 | 252K | 591 | Health Unresolved |