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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 2017-5042 Scientific Investigations Report 2017-5042new
Measuring surface-water loss in Honouliuli Stream near the ‘Ewa Shaft, O‘ahu, Hawai‘i.
SIR 2016-5103 Scientific Investigations Report 2016-5103
Low-Flow Characteristics for Streams on the Islands of Kaua‘i, O‘ahu, Moloka‘i, Maui, and Hawai‘i, State of Hawai‘i.
SIR 2015-5164 Scientific Investigations Report 2015-5164
Volcanic Aquifers of Hawai‘i—Hydrogeology, Water Budgets, and Conceptual Models.
SIR 2015-5128 Scientific Investigations Report 2015-5128
Storage capacity of the Fena Valley Reservoir, Guam, Mariana Islands, 2014.
SIR 2015-5010 Scientific Investigations Report 2015-5010
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-HonokōhauNational 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, 04-Oct-2017 17:09:02 EDT

16720000: Flow=8.13cfs,Stage=1.64ft,2017-10-19 17:45,76-90,Kawainui Stream nr Kamuela, HI 16275000: Flow=2.35cfs,Stage=1.88ft,2017-10-19 17:15,76-90,Heeia Stream at Haiku Valley nr Kaneohe, Oahu, HI 16031000: Flow=123cfs,Stage=6.64ft,2017-10-19 17:30,76-90,Waimea River near Waimea, Kauai, HI 16019000: Flow=12.5cfs,Stage=1.23ft,2017-10-19 17:45,76-90,Waialae Str at alt 3,820 ft nr Waimea, Kauai, HI 16010000: Flow=19.7cfs,Stage=2.52ft,2017-10-19 17:15,76-90,Kawaikoi Stream nr Waimea, Kauai, HI 16587000: Flow=0.62cfs,Stage=0.50ft,2017-10-19 17:30,10-24,Honopou Stream near Huelo, Maui, HI 16345000: Flow=1.31cfs,Stage=1.48ft,2017-10-19 17:45,10-24,Opaeula Str nr Wahiawa, Oahu, HI 16330000: Flow=0.35cfs,Stage=1.44ft,2017-10-19 17:30,10-24,Kamananui Str at Maunawai, Oahu, HI 16304200: Flow=0.47cfs,Stage=3.17ft,2017-10-19 17:15,10-24,Kaluanui Stream nr Punaluu, Oahu, HI 16301050: Flow=13.3cfs,Stage=3.81ft,2017-10-19 17:00,10-24,Punaluu Str abv Punaluu Ditch Intake, Oahu, HI 16296500: Flow=15.3cfs,Stage=1.29ft,2017-10-19 17:45,10-24,Kahana Str at alt 30 ft nr Kahana, Oahu, HI 16254000: Flow=1.26cfs,Stage=5.47ft,2017-10-19 17:30,10-24,Makawao Str nr Kailua, Oahu, HI 16244000: Flow=0.31cfs,Stage=0.87ft,2017-10-19 17:30,10-24,Pukele Stream near Honolulu, Oahu, HI 16238500: Flow=0.70cfs,Stage=1.64ft,2017-10-19 17:15,10-24,Waihi Stream at Honolulu, Oahu, HI 16200000: Flow=2.62cfs,Stage=1.72ft,2017-10-19 17:15,10-24,NF Kaukonahua Str abv RB, nr Wahiawa, Oahu, HI 16725000: Flow=2.29cfs,Stage=1.98ft,2017-10-19 17:00,25-75,Alakahi Stream near Kamuela, HI 16717000: Flow=70.1cfs,Stage=3.21ft,2017-10-19 17:45,25-75,Honolii Stream nr Papaikou, HI 16704000: Flow=131cfs,Stage=3.31ft,2017-10-19 17:45,25-75,Wailuku River at Piihonua, HI 16620000: Flow=20.9cfs,Stage=1.63ft,2017-10-19 17:45,25-75,Honokohau Stream near Honokohau, Maui, HI 16618000: Flow=9.08cfs,Stage=0.74ft,2017-10-19 17:30,25-75,Kahakuloa Stream near Honokohau, Maui, HI 16614000: Flow=65.4cfs,Stage=1.98ft,2017-10-19 17:00,25-75,Waihee Rv abv Waihee Dtch intk nr Waihee, Maui, HI 16518000: Flow=10.6cfs,Stage=1.92ft,2017-10-19 17:15,25-75,West Wailuaiki Stream near Keanae, Maui, HI 16508000: Flow=3.87cfs,Stage=0.40ft,2017-10-19 17:30,25-75,Hanawi Stream near Nahiku, Maui, HI 16400000: Flow=9.86cfs,Stage=1.90ft,2017-10-19 17:15,25-75,Halawa Stream near Halawa, Molokai, HI 16284200: Flow=6.47cfs,Stage=2.76ft,2017-10-19 17:30,25-75,Waihee Str nr Kahaluu, Oahu, HI 16283200: Flow=2.41cfs,Stage=1.24ft,2017-10-19 17:15,25-75,Kahaluu Str nr Ahuimanu, Oahu, HI 16240500: Flow=2.30cfs,Stage=0.19ft,2017-10-19 17:15,25-75,Waiakeakua Str at Honolulu, Oahu, HI 16229000: Flow=1.52cfs,Stage=2.18ft,2017-10-19 17:15,25-75,Kalihi Str nr Honolulu, Oahu, HI 16226200: Flow=0.87cfs,Stage=6.29ft,2017-10-19 17:15,25-75,N. Halawa Str nr Honolulu, Oahu, HI 16213000: Flow=16.7cfs,Stage=1.97ft,2017-10-19 18:00,25-75,Waikele Str at Waipahu, Oahu, HI 16208000: Flow=5.20cfs,Stage=1.46ft,2017-10-19 17:00,25-75,SF Kaukonahua Str at E pump, nr Wahiawa, Oahu, HI 16108000: Flow=108cfs,Stage=1.93ft,2017-10-19 17:30,25-75,Wainiha River nr Hanalei, Kauai, HI 16097500: Flow=6.27cfs,Stage=1.00ft,2017-10-19 17:30,25-75,Halaulani Str at alt 400 ft nr Kilauea, Kauai, HI 16071500: Flow=1.03cfs,Stage=0.84ft,2017-10-19 17:45,25-75,Left Branch Opaekaa Str nr Kapaa, Kauai, HI 16068000: Flow=31.9cfs,Stage=1.33ft,2017-10-19 17:15,25-75,EB of NF Wailua River nr Lihue, Kauai, HI 16060000: Flow=99.6cfs,Stage=2.98ft,2017-10-19 17:45,25-75,SF Wailua River nr Lihue, Kauai, HI 213320158061401: Stage=15.99ft,2017-10-19 17:45,Not ranked,Kemoo 5 Reservoir, Oahu, HI 213308158035601: Stage=24.03ft,2017-10-19 17:45,Not ranked,Helemano 6 Reservoir, Oahu, HI 213133158014201: Stage=37.01ft,2017-10-19 17:45,Not ranked,Upper Helemano Reservoir near Wahiawa, Oahu, HI 16770500: Flow=0.00cfs,Stage=0.62ft,2017-10-19 17:30,Not ranked,Paauau Gulch at Pahala, HI 16759600: Flow=0.00cfs,Stage=1.05ft,2017-10-19 17:30,Not ranked,Waiaha Stream at Holualoa, HI 16604500: Stage=3.36ft,2017-10-19 18:00:00,Not ranked,Equipment malfunction,Wailuku River at Kepaniwai Park, Maui, HI 16552800: Flow=0.20cfs,Stage=0.72ft,2017-10-19 17:15,Not ranked,Waikamoi Str abv Kula PL intake nr Olinda, Maui,HI 16501200: Flow=4.45cfs,Stage=1.17ft,2017-10-19 17:30,Not ranked,Oheo Gulch at dam near Kipahulu, Maui, HI 16415600: Flow=0.00cfs,Stage=6.32ft,2017-10-19 17:30,Not ranked,Kawela Gulch near Moku, Molokai, HI 16414200: Flow=0.00cfs,Stage=3.58ft,2017-10-19 17:45,Not ranked,Kaunakakai Gulch at altitude 75 feet, Molokai, HI 16343100: Stage=-0.07ft,2017-10-19 17:45,Not ranked,Helemano Str at Joseph Leong Hwy, Haleiwa, Oahu,HI 16325000: Flow=2.00cfs,2001-09-30 23:45,Stage=0.41ft,2017-10-19 17:00:00,Not ranked,Kamananui Str at Pupukea Mil Rd, Oahu, HI 16294900: Flow=6.77cfs,Stage=3.00ft,2017-10-19 17:30,Not ranked,Waikane Str at alt 75 ft at Waikane, Oahu, HI 16294100: Flow=21.4cfs,Stage=7.44ft,2017-10-19 17:30,Not ranked,Waiahole Stream above Kamehameha Hwy, Oahu, HI 16274100: Flow=10.9cfs,Stage=15.96ft,2017-10-19 17:30,Not ranked,Kaneohe Str blw Kamehameha Hwy, Oahu, HI 16265000: Stage=3.44ft,2017-10-19 17:45:00,Not ranked,Rating being developed or revised,Kawa Str at Kaneohe, Oahu, HI 16264690: Stage=4.81ft,2017-10-19 17:30,Not ranked,Kawainui Stream near Kailua, Oahu, HI 16264600: Stage=4.27ft,2017-10-19 17:30,Not ranked,Kawainui Marsh nr levee sta 15+00, Oahu, HI 16249000: Flow=1.40cfs,Stage=7.10ft,2017-10-19 17:40,Not ranked,Waimanalo Str at Waimanalo, Oahu, HI 16247100: Stage=1.35ft,2017-10-19 18:00:00,Not ranked,Manoa-Palolo Drainage Canal at Moiliili, Oahu, HI 16241600: Flow=2.39cfs,Stage=4.17ft,2017-10-19 17:15,Not ranked,Manoa Stream at Woodlawn Drive, Oahu, HI 16238000: Flow=0.20cfs,Stage=3.00ft,2017-10-19 17:45,Not ranked,Makiki Stream at King St. bridge, Oahu, HI 16227500: Flow=0.00cfs,Stage=1.84ft,2017-10-19 18:00,Not ranked,Moanalua Stream nr Kaneohe, Oahu, HI 16226400: Flow=0.16cfs,Stage=2.73ft,2017-10-19 17:15,Not ranked,N. Halawa Str nr Quar. Stn. at Halawa, Oahu, HI 16212490: Flow=0.00cfs,Stage=4.30ft,2017-10-19 17:15,Not ranked,Honouliuli Str at H-1 Freeway nr Waipahu, Oahu, HI 16212480: Flow=0.00cfs,Stage=3.43ft,2017-10-19 17:30,Not ranked,Honouliuli Stream Tributary near Waipahu, Oahu, HI 16211600: Flow=0.00cfs,Stage=0.51ft,2017-10-19 17:30,Not ranked,Makaha Str nr Makaha, Oahu, HI 16210500: Stage=16.78ft,2017-10-19 17:45:00,Not ranked,Kaukonahua Str at Waialua, Oahu, HI 16210200: Flow=67.0cfs,Stage=6.53ft,2017-10-19 17:45,Not ranked,Kaukonahua Stream blw Wahiawa Reservoir, Oahu, HI 16210100: Flow=12.9cfs,Stage=7.49ft,2017-10-19 17:45,Not ranked,Wahiawa Ditch at Wahiawa, Oahu, HI 16210000: Stage=67.81ft,2017-10-19 17:15,Not ranked,Wahiawa Reservoir at Spillway at Wahiawa, Oahu, HI 16208400: Stage=17.22ft,2017-10-19 17:45,Not ranked,Ku Tree Reservoir near Wahiawa, Oahu, HI 16103000: Flow=169cfs,Stage=2.56ft,2017-10-19 17:00,Not ranked,Hanalei River nr Hanalei, Kauai, HI 16094150: Stage=19.02ft,2017-10-19 17:45,Not ranked,Ka Loko Reservoir near Kilauea, Kauai, HI 16057900: Flow=8.98cfs,2017-09-10 16:15,Stage=0.72ft,2017-09-14 10:15:00,Not ranked,Waiahi Str US Upper Powerhouse, Kauai, HI 16052400: Flow=1.96cfs,2017-03-02 23:45,Stage=2.60ft,2017-05-23 13:22:00,Not ranked,RB Lawai Stream 300ft US of fork, Kauai, HI Go to WaterWatch (offsite) for a larger map with additional options