USGS Water Science Centers are located in each state.
Water Resources of the Pacific Islands
Aloha! Welcome to the USGS Web page for the water resources of Hawaii and the Pacific area. This is your direct link to water-resource information and products for the State of Hawaii, the U.S. Territories of Guam and American Samoa, the U.S. Commonwealth of the Northern Mariana Islands, the Republic of Palau, the Republic of the Marshall Islands, and the Federated States of Micronesia.
Current Streamflow Conditions in Hawaii
Featured Topics
USGS Groundwater Resources Program
Hawaii Volcanic-Rock Aquifer Study
Threatened and Endangered Gages
State of Hawaii | Territory of Guam
Active Data-Collection Sites in Hawaii and Guam
State of Hawaii | Territory of Guam
Hawaii StreamStats
Hawaii StreamStats: A Web Application for Defining Drainage-Basin Characteristics and Estimating Peak-Streamflow Statistics
Recent Hydrologic Conditions
State of Hawaii | Iao and Waihee Aquifers, Maui
Synoptic Groundwater-Level Measurements
Pearl Harbor area, Oahu
Central Maui area (includes Iao and Waihee)
Presentations
Guam Groundwater Availability, Technical Working Group, January 31, 2013
Surface-Water Diversion Study in East Maui, Commission on Water Resource Management, January 23, 2013
Groundwater Availability in Hawaii Aquifers, State Joint Water Conference, January 14-18, 2013
Previous Featured Topics
Windward Oahu Flood, June 2011
Peak-flow data (released 7/7/2011)
Kalo Water Use
Water use of wetland kalo cultivation in west Maui, Hawai'i, 2010
Pearl Harbor Springs Discharges
2006 | 2007 | 2008 | 2009
Streamflow Measurements to Identify Gaining and Losing Stream Reaches
Measurements made in 2006 water year
Flow Statistics for USGS Stream Gages, Hawaii
Description and available data, 1909-2005
Water Resources of Guam
Rainfall & deep monitoring well data, 2004-2005
Quick Link to Current Conditions Data:
Streamflow
Groundwater
Water Quality
Rainfall
All
Quick Link to Search Tool:
NWISMapper
Quick Link to USGS WaterAlert:
Subscribe to email or text message service
Featured Publications
Search our publications
Hydrogeology Journal, 2013 (accessed Jan. 15. 2013) Estimating Hydraulic Properties from Tidal Attenuation in the Northern
Guam Lens Aquifer, Territory of Guam, USA.
Scientific Investigations Report 2012-5264 Availability and distribution of low flow in Anahola Stream, Kaua'i, Hawai'i.
Scientific Investigations Report 2011-5118 Low-Flow Characteristics of Streams
Under Natural and Diversion Conditions, Waipio Valley, Island of Hawaii, Hawaii.
Scientific Investigations Report 2012-5055 Development of Invertebrate Community Indexes of Stream Quality for the Islands of Maui and O'ahu, Hawai'i.
Open-File Report 2012-1115 Measurements of Seepage Losses and Gains, East Maui Irrigation Diversion System, Maui, Hawai'i.
Scientific Investigations Report 2012-5123 Groundwater Quality in the Columbia Plateau, Snake River Plain, and Oahu Basaltic-Rock and Basin-Fill Aquifers in the Northwestern United States and Hawaii, 19922010.
Scientific Investigations Report 2012-5085 Sources of Suspended Sediment in the Waikele Watershed, O'ahu, Hawai'i.
Scientific Investigations Report 2012-5010 Groundwater Availability in the Lahaina District, West Maui, Hawai'i.
Scientific Investigations Report 2012-5028 A Water-Budget Model and Estimates of Groundwater Recharge for Guam.
Circular 1312 Ground Water on Tropical Pacific Islands—Understanding a Vital Resource.
USGS Home
Water
Climate Change
Core Science
Ecosystems
Energy&Env. Health
Hazards