Guam water providers
Find published drinking-water records, providers, and official agency resources for Guam. Review sources, sample dates, and coverage.
Official drinking-water resources
The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.
Community systems appear first. Sort: Population served · A–Z
Public water systems
8 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.
- Gwa Northern Water SystemGU0000006 · CWS · Population served: 139,207
- Gwa Central Water SystemGU0000003 · CWS · Population served: 21,398
- U.S. Navy Water SystemGU0000010 · CWS · Population served: 12,780
- Andersen Air Force Base Water SystemGU0000009 · CWS · Population served: 7,700
- Gwa Southern Water SystemGU0000001 · CWS · Population served: 5,801
Schools, workplaces and other non-community systems
- Guam International Airport AuthorityGU0000018 · NTNCWS · Population served: 138,336
- Guam Regional Medical CityGU0000019 · NTNCWS · Population served: 1,100
- Guam Plaza Resort Water SystemGU0000015 · NTNCWS · Population served: 1,095