Surface Hydrology (LiDAR Imagery)
About A map that features the LiDAR imagery of the surface hydrology of the Northern Guam Lens Aquifer (NGLA). Other Versions Click on the icon
WERI
Production Salinity
Coming Soon This map is coming soon! Thank you for your patience. We are currently working on making this map available online. Please check this
Northern Guam Terrain
About The Northern Guam terrain analysis applied spatial analysis flow direction and slope analysis. It is overlain with the plateau basins and surface depression areas.
Surface Hydrology
About This map shows the plateau basins with their CHamoru names. Other Versions Click on the icon to view the LiDAR Imagery version of the
Nitrate-N and Sources
About This map illustrates the nitrate concentrations in production wells. The contents of this analysis overlays the map of the Northern Guam Lens Aquifer (NGLA).
NGLA Map
About The Northern Guam Lens Aquifer (NGLA) is Guam’s major source of utility water, from which military and government of Guam draw up to 90%