Denton Water Quality Report
21 cities ranked · Average grade: B- · Texas
Avg Score
73.8
Cities Ranked
21
Health Violations
14
PFAS Detected
19
73.8
County avg score
21
Cities ranked
62%
A or B grade
14%
D or F grade
14
Health violations
19
PFAS detected
Grade Distribution
How Denton cities scored
A
7
33%
Excellent
B
6
29%
Good
C
5
24%
Fair
D
1
5%
Poor
F
2
10%
Failing
Comparison
County vs Texas average
▲ 6.3 pts above state average
City Map
Water quality across Denton
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Denton
County context
93.6%
of residents on fluoridated water (CDC, 2020)
23
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Denton
Industrial polluters nearby
Facilities reporting the most surface-water releases in Denton, 2023.
Total reported releases to surface water: 23 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
UNITED COPPER INDUSTRIES LLC DENTON, TX76208 | Copper And Copper Compounds | 21 |
TXI-CAMEY READY MIX FRISCO, TX75034 | Lead compounds | 1 |
419 LEWISVILLE LEWISVILLE, TX75067 | Lead | 0 |
DENTON PLANT DENTON, TX76207 | Lead And Lead Compounds | 0 |
MM-SANGER READY MIX SANGER, TX76266 | Lead compounds | 0 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 21 cities in Denton
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Trophy Club | A+ | 97.2 | 14K | 1 | ||
| 2 | Northlake | A | 93.3 | 10K | 6 | Unresolved | |
| 3 | Roanoke | A- | 88.8 | 10K | 30 | Health Unresolved | |
| 4 | Corinth | A- | 88 | 23K | 16 | Health Unresolved | |
| 5 | Highland Village | A- | 86.8 | 17K | 10 | Health Unresolved | |
| 6 | The Colony | A- | 85.8 | 45K | 6 | Health Unresolved | |
| 7 | Savannah | A- | 85.3 | 5K | 14 | Unresolved | |
| 8 | Ponder | B+ | 82.5 | 3K | 11 | Health Unresolved | |
| 9 | Lantana | B+ | 81.8 | 13K | 14 | Unresolved | |
| 10 | Krum | B+ | 81.5 | 6K | 30 | Unresolved | |
| 11 | Justin | B | 79.6 | 4K | 11 | Unresolved | |
| 12 | Argyle | B- | 74.8 | 21K | 27 | Unresolved | |
| 13 | Lake Dallas | B- | 74.5 | 18K | 13 | Health Unresolved | |
| 14 | Pilot Point | C+ | 69.5 | 8K | 72 | Health Unresolved | |
| 15 | Lewisville | C+ | 67.2 | 141K | 22 | Health Unresolved | |
| 16 | Little Elm | C | 63 | 41K | 18 | Health Unresolved | |
| 17 | Flower Mound | C | 60.7 | 80K | 97 | Health PFAS Unresolved | |
| 18 | Lakewood Village | C- | 58.7 | 963 | 162 | Health Unresolved | |
| 19 | Sanger | D | 46.2 | 23K | 232 | Health Unresolved | |
| 20 | Aubrey | F | 42.8 | 119K | 188 | Health Unresolved | |
| 21 | Denton | F | 41.9 | 151K | 236 | Health Unresolved |