Guam Water Quality
5 water systems serving 186,886 people. 0 total violations on record.
Safety Grade Distribution
A
5
100%
B
0
0%
C
0
0%
D
0
0%
F
0
0%
5
Water Systems
186,886
Population Served
0
Total Violations
0
Health-Based
Most Contaminated Systems
Cleanest Water Systems
Largest Water Systems in Guam
| Water System | Grade | Population | Violations |
|---|---|---|---|
| GWA NORTHERN WATER SYSTEM | A | 139,207 | 0 |
| GWA CENTRAL WATER SYSTEM | A | 21,398 | 0 |
| U.S. NAVY WATER SYSTEM | A | 12,780 | 0 |
| ANDERSEN AIR FORCE BASE WATER SYSTEM | A | 7,700 | 0 |
| GWA SOUTHERN WATER SYSTEM | A | 5,801 | 0 |