Denver Water Quality Report
1 cities ranked · Average grade: F · Colorado
Avg Score
39.6
Cities Ranked
1
Health Violations
1
PFAS Detected
1
39.6
County avg score
1
Cities ranked
0%
A or B grade
100%
D or F grade
1
Health violations
1
PFAS detected
Grade Distribution
How Denver cities scored
A
0
0%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
1
100%
Failing
Comparison
County vs Colorado average
▼ 26.5 pts below state average
City Map
Water quality across Denver
Each dot is a city, colored by grade. Click any city to view its full report.
County context
2
Superfund sites in Denver
630
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Denver
Industrial polluters nearby
Facilities reporting the most surface-water releases in Denver, 2023.
Total reported releases to surface water: 630 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
SUNCOR ENERGY COMMERCE CITY REFINERY COMMERCE CITY, CO80022 | Ammonia | 630 |
OWENS CORNING ROOFING & ASPHALT LLC DENVER, CO80216 | Polycyclic aromatic compounds | 0 |
OWENS CORNING ROOFING & ASPHALT LLC DENVER, CO80216 | Polycyclic aromatic compounds | 0 |
INDUSTRIAL CHEMICALS CORP ARVADA, CO80002 | — | — |
READY MIXED CONCRETE PLANT 11 ARVADA, CO80002 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Denver
Superfund sites nearby
Federally tracked hazardous-waste sites within Denver on the EPA National Priorities List.
- BRODERICK WOOD PRODUCTS
- ROCKY MOUNTAIN ARSENAL USARMY
Source: EPA Superfund National Priorities List
Full Rankings
All 1 cities in Denver
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Denver | F | 39.6 | 1.4M | 1182 | Health Unresolved |