Guam Water Quality Report
21 cities ranked · Average grade: B+ · AP
Avg Score
82.4
Cities Ranked
21
Health Violations
21
PFAS Detected
21
82.4
County avg score
21
Cities ranked
100%
A or B grade
0%
D or F grade
21
Health violations
21
PFAS detected
Grade Distribution
How Guam cities scored
A
0
0%
Excellent
B
21
100%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs AP average
▲ 82.4 pts above state average
City Map
Water quality across Guam
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Guam
Full Rankings
All 21 cities in Guam
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 2 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 3 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 4 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 5 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 6 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 7 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 8 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 9 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 10 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 11 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 12 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 13 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 14 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 15 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 16 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 17 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 18 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 19 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 20 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved | |
| 21 | Guam Naval Magazine | B+ | 82.4 | 13K | 8 | Health Unresolved |