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Hanawi Stream near Nahiku, Maui, Hawaii.

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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.


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sir 2015-5010 Scientific Investigations Report 2015-5010new
Spatially Distributed Groundwater Recharge for 2010 Land Cover Estimated Using a Water-Budget Model for the Island of O‘ahu, Hawai‘i.

sir 2014-5158 Scientific Investigations Report 2014-5158
Baseline Water-Quality Sampling to Infer Nutrient and Contaminant Sources at Kaloko-Honokōhau National Historical Park, Island of Hawai‘i, 2009.

sir 2014-5168 Scientific Investigations Report 2014-5168
Spatially Distributed Groundwater Recharge Estimated Using a Water-Budget Model for the Island of Maui, Hawai‘i, 1978–2007.

ofr 2014-1173 Open-File Report 2014-1173
Water-Chemistry Data Collected in and near Kaloko-Honokōhau National Historical Park, Hawai‘i, 2012–2014.

sir 2014-5087 Scientific Investigations Report 2014-5087
Low-Flow Characteristics of Streams in the Lahaina District, West Maui, Hawai‘i.

sir 2013-5216 Scientific Investigations Report 2013-5216
The Effects of Withdrawals and Drought on Groundwater Availability in the Northern Guam Lens Aquifer, Guam.

Circular 1312 Circular 1312
Ground Water on Tropical Pacific Islands—Understanding a Vital Resource.

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Page Last Modified: Wednesday, 25-Feb-2015 18:08:12 EST

16208000: Flow=0.00cfs,Stage=0.30ft,2015-07-30 22:00,Low,SF Kaukonahua Str at E pump, nr Wahiawa, Oahu, HI 16071500: Flow=0.35cfs,Stage=0.73ft,2015-07-30 21:45,Low,Left Branch Opaekaa Str nr Kapaa, Kauai, HI 16725000: Flow=16cfs,Stage=2.59ft,2015-07-30 22:00,>90,Alakahi Stream near Kamuela, HI 16518000: Flow=4.1cfs,Stage=1.62ft,2015-07-30 22:15,<10,West Wailuaiki Stream near Keanae, Maui, HI 16400000: Flow=5.0cfs,Stage=1.76ft,2015-07-30 22:15,<10,Halawa Stream near Halawa, Molokai, HI 16010000: Flow=3.4cfs,Stage=1.95ft,2015-07-30 22:15,<10,Kawaikoi Stream nr Waimea, Kauai, HI 16108000: Flow=41cfs,Stage=1.30ft,2015-07-30 22:30,<10,Wainiha River nr Hanalei, Kauai, HI 16720000: Flow=16cfs,Stage=1.86ft,2015-07-30 21:45,76-90,Kawainui Stream nr Kamuela, HI 16717000: Flow=21cfs,Stage=2.62ft,2015-07-30 21:45,10-24,Honolii Stream nr Papaikou, HI 16704000: Flow=31cfs,Stage=2.04ft,2015-07-30 21:45,10-24,Wailuku River at Piihonua, HI 16618000: Flow=6.9cfs,Stage=0.73ft,2015-07-30 21:30,10-24,Kahakuloa Stream near Honokohau, Maui, HI 16587000: Flow=1.0cfs,Stage=0.54ft,2015-07-30 21:30,10-24,Honopou Stream near Huelo, Maui, HI 16508000: Flow=3.5cfs,Stage=0.37ft,2015-07-30 22:30,10-24,Hanawi Stream near Nahiku, Maui, HI 16345000: Flow=2.3cfs,Stage=1.61ft,2015-07-30 21:45,10-24,Opaeula Str nr Wahiawa, Oahu, HI 16275000: Flow=1.1cfs,Stage=1.61ft,2015-07-30 22:15,10-24,Heeia Stream at Haiku Valley nr Kaneohe, Oahu, HI 16226200: Flow=0.01cfs,Stage=5.93ft,2015-07-30 22:15,10-24,N. Halawa Str nr Honolulu, Oahu, HI 16213000: Flow=11cfs,Stage=1.83ft,2015-07-30 21:30,10-24,Waikele Str at Waipahu, Oahu, HI 16097500: Flow=5.1cfs,Stage=0.89ft,2015-07-30 21:30,10-24,Halaulani Str at alt 400 ft nr Kilauea, Kauai, HI 16019000: Flow=2.6cfs,Stage=0.82ft,2015-07-30 21:45,10-24,Waialae Str at alt 3,820 ft nr Waimea, Kauai, HI 16620000: Flow=23cfs,Stage=1.65ft,2015-07-30 21:45,25-75,Honokohau Stream near Honokohau, Maui, HI 16614000: Flow=49cfs,Stage=1.77ft,2015-07-30 22:00,25-75,Waihee Rv abv Waihee Dtch intk nr Waihee, Maui, HI 16604500: Flow=30cfs,Stage=1.01ft,2015-07-30 22:00,25-75,Iao Stream at Kepaniwai Park nr Wailuku, Maui, HI 16330000: Flow=2.5cfs,Stage=1.80ft,2015-07-30 22:30,25-75,Kamananui Str at Maunawai, Oahu, HI 16304200: Flow=1.3cfs,Stage=3.30ft,2015-07-30 22:15,25-75,Kaluanui Stream nr Punaluu, Oahu, HI 16301050: Flow=18cfs,Stage=3.87ft,2015-07-30 22:00,25-75,Punaluu Str abv Punaluu Ditch Intake, Oahu, HI 16296500: Flow=21cfs,Stage=1.28ft,2015-07-30 21:45,25-75,Kahana Str at alt 30 ft nr Kahana, Oahu, HI 16284200: Flow=4.9cfs,Stage=2.67ft,2015-07-30 21:30,25-75,Waihee Str nr Kahaluu, Oahu, HI 16254000: Flow=1.8cfs,Stage=5.60ft,2015-07-30 21:30,25-75,Makawao Str nr Kailua, Oahu, HI 16244000: Flow=0.64cfs,Stage=0.95ft,2015-07-30 21:30,25-75,Pukele Stream near Honolulu, Oahu, HI 16240500: Flow=2.9cfs,Stage=0.30ft,2015-07-30 22:15,25-75,Waiakeakua Str at Honolulu, Oahu, HI 16238500: Flow=1.3cfs,Stage=1.77ft,2015-07-30 22:15,25-75,Waihi Stream at Honolulu, Oahu, HI 16229000: Flow=2.3cfs,Stage=2.23ft,2015-07-30 22:15,25-75,Kalihi Str nr Honolulu, Oahu, HI 16211600: Flow=0.03cfs,Stage=0.88ft,2015-07-30 22:30,25-75,Makaha Str nr Makaha, Oahu, HI 16200000: Flow=6.5cfs,Stage=1.88ft,2015-07-30 22:15,25-75,NF Kaukonahua Str abv RB, nr Wahiawa, Oahu, HI 16068000: Flow=27cfs,Stage=1.11ft,2015-07-30 22:15,25-75,EB of NF Wailua River nr Lihue, Kauai, HI 220541159215901: Stage=330.75ft,2015-07-30 21:30,Not ranked,Upper Kapahi Reservoir near Kapaa, Kauai, HI 213308158035601: Stage=22.78ft,2015-07-30 21:45,Not ranked,Helemano 6 Reservoir, Oahu, HI 213133158014201: Stage=41.75ft,2015-07-30 21:45,Not ranked,Upper Helemano Reservoir near Wahiawa, Oahu, HI 16770500: Flow=0.00cfs,Stage=0.80ft,2015-07-30 21:30,Not ranked,Paauau Gulch at Pahala, HI 16599500: Flow=2.0cfs,2007-10-11 23:45,Not ranked,Opana Tunnel near Kailiili, Maui, HI 16552800: Flow=0.04cfs,Stage=0.59ft,2015-07-30 22:15,Not ranked,Waikamoi Str abv Kula PL intake nr Olinda, Maui,HI 16501200: Flow=2.7cfs,Stage=1.06ft,2015-07-30 22:30,Not ranked,Oheo Gulch at dam near Kipahulu, Maui, HI 16414200: Stage=3.60ft,2015-07-30 21:45:00,Not ranked,Rating being developed or revised,Kaunakakai Gulch at altitude 75 feet, Molokai, HI 16350100: Stage=0.32ft,2015-04-21 07:00,Not ranked,Opaeula Str at Joseph Leong Hwy, Haleiwa, Oahu, HI 16343100: Stage=-0.53ft,2015-07-30 21:45,Not ranked,Helemano Str at Joseph Leong Hwy, Haleiwa, Oahu,HI 16325000: Stage=0.59ft,2015-07-30 22:00,Not ranked,Kamananui Str at Pupukea Mil Rd, Oahu, HI 16303000: Flow=4.9cfs,2009-01-31 23:45,Not ranked,Punaluu Str nr Punaluu, Oahu, HI 16302000: Flow=3.2cfs,2008-12-30 23:45,Not ranked,Punaluu Ditch nr Punaluu, Oahu, HI 16295300: Flow=0.26cfs,2008-10-14 00:00,Not ranked,Hakipuu Stream near Waikane, Oahu, HI 16294900: Flow=3.5cfs,Stage=3.01ft,2015-07-30 21:30,Not ranked,Waikane Str at alt 75 ft at Waikane, Oahu, HI 16294100: Flow=23cfs,Stage=6.95ft,2015-07-30 21:30,Not ranked,Waiahole Stream above Kamehameha Hwy, Oahu, HI 16283200: Flow=1.5cfs,2015-07-22 14:30,Not ranked,Kahaluu Str nr Ahuimanu, Oahu, HI 16264600: Stage=4.49ft,2015-07-30 21:30,Not ranked,Kawainui Marsh nr levee sta 15+00, Oahu, HI 16247900: Not ranked,Rating being developed or revised,Kuliouou Valley at Kuliouou, Oahu, HI 16247100: Flow=12cfs,Stage=1.14ft,2015-07-30 22:00,Not ranked,Manoa-Palolo Drainage Canal at Moiliili, Oahu, HI 16246000: Flow=0.28cfs,2014-10-16 23:45,Not ranked,Waiomao Stream near Honolulu, Oahu, HI 16242500: Flow=8.4cfs,2014-11-06 23:45,Not ranked,Manoa Str at Kanewai Field, Honolulu, Oahu, HI 16241600: Flow=4.6cfs,Stage=3.74ft,2015-07-30 22:15,Not ranked,Manoa Stream at Woodlawn Drive, Oahu, HI 16238000: Flow=0.35cfs,Stage=2.99ft,2015-07-30 21:45,Not ranked,Makiki Stream at King St. bridge, Oahu, HI 16227500: Flow=0.03cfs,Stage=2.20ft,2015-07-30 22:00,Not ranked,Moanalua Stream nr Kaneohe, Oahu, HI 16226400: Flow=0.00cfs,Stage=2.75ft,2015-07-30 22:15,Not ranked,N. Halawa Str nr Quar. Stn. at Halawa, Oahu, HI 16212490: Stage=4.31ft,2015-07-30 22:15,Not ranked,Honouliuli Str at H-1 Freeway nr Waipahu, Oahu, HI 16212480: Flow=0.00cfs,Stage=2.58ft,2015-07-30 21:30,Not ranked,Honouliuli Stream Tributary near Waipahu, Oahu, HI 16210500: Stage=15.38ft,2015-07-30 21:45,Not ranked,Kaukonahua Str at Waialua, Oahu, HI 16210200: Flow=0.31cfs,Stage=4.50ft,2015-07-30 21:45,Not ranked,Kaukonahua Stream blw Wahiawa Reservoir, Oahu, HI 16210100: Flow=15cfs,Stage=7.55ft,2015-07-30 21:45,Not ranked,Wahiawa Ditch at Wahiawa, Oahu, HI 16210000: Stage=68.87ft,2015-07-30 22:15,Not ranked,Wahiawa Reservoir at Spillway at Wahiawa, Oahu, HI 16208400: Stage=12.73ft,2015-07-30 21:45,Not ranked,Ku Tree Reservoir near Wahiawa, Oahu, HI 16103000: Flow=98cfs,Stage=2.14ft,2015-07-30 22:00,Not ranked,Hanalei River nr Hanalei, Kauai, HI 16094150: Stage=19.05ft,2015-07-30 21:45,Not ranked,Ka Loko Reservoir near Kilauea, Kauai, HI 16060000: Not ranked,Equipment malfunction,SF Wailua River nr Lihue, Kauai, HI Go to WaterWatch (offsite) for a larger map with additional options