SURFACE WATER SUPPLY of HAWAII
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UNITED STATES DEPARTMENT OF THE INTERIOR RAY LYMAN WILBUR, Secretary GEOLOGICAL SURVEY GEORGE OTIS SMITH, Director Water-Supply Paper 655 SURFACE WATER SUPPLY of HAWAII JULY 1, 1926, to JUNE 30, 1927 NATHAN C. GROVER, Chief Hydraulic Engineer MAX H. CARSON, District Engineer Prepared in cooperation with the TERRITORY OF HAWAII u , o i. UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1930 For sale by the Superintendent of Documents, Washington, D. C. - - - - Price 25 cents CONTENTS Page Authority for investigations_________________._________________ 1 Cooperation. __________________________________________________ 3 Cooperation with the Territory of Hawaii-_______________________ 3 Other cooperation..___________________________________________ 3 Scope of work___________________._____.________________________ 4 Definition of terms________________________________________________ 4 Explanation of data___---_____-_-_-___________-_-_--____-_________ 6 Accuracy of field data and computed results__________________________ 7 Division of work__________________________________________________ 7 Publications ______________________________________________________ 8 Gaging-station records_____________________________________________ 8 Island of Kauai__________-__-____-_-___________---_________--_ 8 Waimea River below Kekaha ditch intake, near Waimea___--_- 8 Kawaikoi Stream near Waimea________________-----_-___-__ 10 Mohihi River at elevation 3,500 feet, near Waimea____________ 12 Waiahulu Stream near Waimea___________--------__-__----_ 13 Koaie Stream at elevation 3,700 feet, near Waimea____________ 15 Waialae River at elevation 3,700 feet, near Waimea-__________ 17 Kokee ditch near Waimea________________________-_________ 18 Kekaha ditch at camp No. 1, near Waimea_ __________________ 20 Kekaha ditch below tunnel No. 12, near Waimea____________ 22 Hanapepe River at Koula, near Eleele_______________________ 23 South Fork of Wailua River near Lihue____________________ 25 North Fork of Wailua River at elevation 650 feet, near Lihue __ 27 Kanaha ditch near Lihue________________________________ 28 East Branch of North Fork of Wailua River near Lihue_>______ 30 Kapahi ditch near Kealia________________________-________- 31 Anahola River near Kealia____________________-__- _________ 33 Anahola ditch above Kaneha Reservoir, near Kealia. _______ 35 Hanalei River at elevation 625 feet, near Hanalei.____________ 37 Waioli Stream near Hanalei_______-__-__ ________________ 38 Lumahai River near Hanalei-__-_-___-------------------_-_ 40 Miscellaneous discharge measurements....___________________ 42 Island of Oahu____________-___-________--____-__----_._------ 42 Moanalua Stream near Honolulu__________________________ 42 Kalihi Stream near Honolulu___________________---___-_-___ 44 Nuuanu Stream below Reservoir No. 2 wasteway, near Honolulu. 45 West Branch of Manoa Stream near Honolulu________________ 48 East Branch of Manoa Stream near Honolulu.______________ 50 East Manoa ditch near Honolulu______________-____________ 52 Pukele Stream near Honolulu..___________________________ 53 Waiomao Stream above Pukele Stream, near Honolulu_________ 55 in IV CONTENTS Gaging-station records Continued. Island of Oahu Continued. Page Right Branch of North Fork of Kaukonahua Stream near Wahiawa_______________________________________________ 57 Left Branch of North Fork of Kaukonahua Stream near Wahiawa__________________-____..________________ 59 Miscellaneous discharge measurements_____________________ 61 Island of Molokai--___--___-___-__--_---__-___-__--__---__--_- 62 Halawa Stream near Halawa-__-_---------__------_--_---_- 62 Papalaua Stream near Wailau_____________________________ 63 Waiakeakua Stream near Wailau__________________________ 65 Pulena Stream near Wailau_____-___-_---__--_---__--___-__ 66 Pelekunu Stream near Pelekunu____________--_____---__--__ 68 Lanipuni Stream near Pelekunu___________________________ 70 Waikolu Stream at pipe-line crossing near Kalaupapa.-------- 71 Island of Maui_______________________________ 73 Honokahau Stream near Honokahau._______________________ 73 Honokawai ditch near Lahama__-__--_-__-----__-----_---_- 75 Kanaha Stream above pipe-line intake near Lahaina__________ 77 Olowalu ditch near Olowalu______________________________ 78 Right Branch of Kahalawe Stream near Kipahulu___________ 80 Hanawi Stream near Nahiku___________-__-_-__--__--_---_- 81 Kapaula Stream near Nahiku________________-_______--_-__- 83 Koolau ditch at Nahiku Weir, near Nahiku.________________ 84 Waiohue Stream near Nahiku_______-__--__--__-__-_------- 86 West Kopiliula Stream near Keanae._____._____-_-_--__---__ 88 East Wailuaiki Stream near Keanae_____--__-__- _________ 90 West Wailuaiki Stream near Keanae____-_----__-__--------- 91 East Wailuanui Stream near Keanae-_____ _______________ 93 West Wailuanui Stream near Keanae-___-___---___-----_--_- 94 Koolau ditch near Keanae-----_----_-------__---_--------- 96 Honomanu Stream at Haiku-uka boundary near Kailiili _____ 97 Honomanu Stream near Keanae_________-______---_-------- 99 Haipuaena Stream at Haiku-uka boundary near Kailiili-______ 100 Haipuaena Stream near Huelo____ _______ ____________ 102 Spreckels ditch at Haipuaena Weir, near Huelo___--__-------- 104 Puohokamoa Stream near HueloJ_____________._-__--__-___ 105 East Branch of Puohokamoa Stream at Haiku-uka boundary near Kailiili_______________-______--_---__-- _______ 107 Middle Branch of Puohokamoa Stream at Haiku-uka boundary near Kailiili____-__-___---_------------_--_----_-------- 108 West Branch of Puohokamoa Stream at Haiku-uka boundary near Kailiili-_---___-------------_------------------ - 110 Puohokamoa intake of Koolau ditch near Huelo______-____-_- 111 Manuel Luis ditch at Puohokamoa Gulch, near Huelo_________ 113 Koolau ditch at Wahinepe, near Huelo________-_---_-------- 115 Waikamoi Stream above Wailoa ditch near Huelo____-___--__ 116 East Branch of Waikamoi Stream at Haiku-uka boundary near Kailiili...________________________------- 118 West Branch of Waikamoi Stream at Haiku-uka boundary near KailiilL...._____._______________-___ - 119 Alo Stream near Huelo____-_------------------------------ 121 Kaaiea Stream near Kailua_____---_-_----_------------_---_ 122 Spreckels ditch below Kaaiea Gulch, near Huelo______--__ 123 CONTENTS Gaging-station records Continued. Island of Maui Continued. Center ditch below Kolea Reservoir, near Huelo______________ 125 Nailiilihaele Stream near Huelo_-_--_----_-----_-----------_ 126 Kailua Stream at Haiku-uka boundary near Kailiili ___________ 128 Kailua Stream near Huelo._______________________________ 130 Hoolawaliilii Stream near Huelo__-____--_------_---_------- 131 Hoolawanui Stream near Huelo-------------_---__---------- 133 Honopou Stream near Huelo__________--___---__--__------- 134 Wailoa ditch at Honopou, near Huelo_______________________ 136 New Hamakua ditch at Honopou, near Huelo________________ 138 Kauhikoa ditch at Opana Weir, near Huelo __________________ 140 Lowrie ditch at Opana Weir, near Huelo__ ___________________ 141 Haiku ditch at Manawai Gulch, near Peahi________L-________ 142 Miscellaneous discharge measurements_____________________ 144 Island of Hawaii_______-_-_______________________-__-____-_-__ 145 Wailuku River at Pukamaui, near Hilo__--_--__------_----_- 145 Honolii Stream near Hilo___________-____--_.__-___-__-__ 147 Index____________________________________________. 149 SUEFACE WATEB SUPPLY OF HAWAII, JULY 1, 1926, TO JUNE 30, 1927 AUTHORITY FOR INVESTIGATIONS This volume contains records of measurements of flow made on certain streams and ditches in the Territory of Hawaii during the year ending June 30, 1927. The data presented in this report were collected by the United States Geological Survey in cooperation with the Territory of Hawaii, under the general sanction of the organic law of the Geological Survey (20 Stat. L., p. 394), which contains the following paragraph: Provided, That this officer [the Director] shall have the direction of the Geologi cal Survey and the classification of public lands and examination of the geological structure, mineral resources, and products of the national domain. As water is the most abundant and most valuable of the minerals, the investigation of water resources is authorized under the provision for examining mineral resources. Since the fiscal year ending June 30, 1895, successive appropriation bills passed by Congress have carried the following item: For gaging the streams and determining the water supply of the United States, and for the investigation of underground currents and artesian wells, and for the preparation of reports upon the best methods of utilizing the water resources. The Legislature of the Territory of Hawaii approved on March 22, 1909, "An act to promote the conservation and development of the natural resources of the Territory," which provided in substance as follows: A special tax of 2 per cent shall be levied, assessed, and col lected annually on all incomes in excess of $4,000; and all amounts so collected shall constitute a special fund to be expended only for the encouragement of immigration and the conservation of natural resources in the proportion of three-fourths for immigration and one- fourth for conservation. The conservation fund shall be used for the development, conservation, improvement, and utilization of the nat ural resources, and shall be available for expenditure at such times and in such manner as a board of three persons appointed in accord ance with section 80 of