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Delta Water Quality Report

6 cities ranked · Average grade: C- · Colorado

Avg Score
55.4
Cities Ranked
6
Health Violations
5
PFAS Detected
1
Live Water Alerts for Colorado →
55.4
County avg score
6
Cities ranked
33%
A or B grade
67%
D or F grade
5
Health violations
1
PFAS detected
Grade Distribution

How Delta cities scored

17%
17%
33%
33%
A
1
17%
Excellent
B
1
17%
Good
C
0
0%
Fair
D
2
33%
Poor
F
2
33%
Failing
Comparison

County vs Colorado average

C-
Delta
55.4/100
C+
Colorado avg
66.1/100
▼ 10.7 pts below state average
City Map

Water quality across Delta

Each dot is a city, colored by grade. Click any city to view its full report.

Colorado city water quality map
Water quality: A B C D F
5 cities mapped · hover to preview · click to explore
Highlights

Top & bottom cities in Delta

Best cities

  1. 1 A- Delta 85.7 9K
  2. 2 B+ Austin 81.3 3K
  3. 3 D Paonia 48.5 4K
  4. 4 D Cedaredge 45 9K
  5. 5 F Crawford 41 1K

Worst cities

  1. 2 F Hotchkiss 31 4K
  2. 3 F Crawford 41 1K
  3. 4 D Cedaredge 45 9K
  4. 5 D Paonia 48.5 4K
  5. 6 B+ Austin 81.3 3K
Full Rankings

All 6 cities in Delta

# City Grade Score Score Population Violations Issues
1 Delta
A-
 85.7
9K 5 Health Unresolved
2 Austin
B+
 81.3
3K 23 Unresolved
3 Paonia
D
 48.5
4K 561 Health Unresolved
4 Cedaredge
D
 45
9K 513 Health Unresolved
5 Crawford
F
 41
1K 520 Health Unresolved
6 Hotchkiss
F
 31
4K 957 Health Lead Unresolved
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