UNITED STATES DEPARTMENT OF THE INTERIOR HAROLD L. ICKES, Secretary GEOLOGICAL SURVEY W. C. MENDENHAH, Director Water-Supply Paper 755 SURFACE WATER SUPPLY of HAWAII JULY 1, 1932, ^Jf NE 30, 1933 & * * r"?> \°. oo, -Cy< NATHAN C. GROVER, Cf HVdrajjlic Engineer MAX H. CARSON, D%Jct Prepared in cooperati^ \v$th t] TERRITORY OF U* 0' V £. C*; 1o & *1?t'-% £ -o ^ ^> "O /W^if^^^Wi * ^ r^ & * ^ . ' *-*<) ^r* ^>/ <) w -** ^S,/*^fe.J_j,,^sg^^^ . 0 90 o^ -o \i ^> ^P p» 0 ^L ^ *^*°-?* ® o -o <* . <z>c/5 <*^ "frVr^ c.- -* ° 05 V^O UNITED STATES -^ c*?. * GOVERNMENT PRINTING OFFICE <"U "j!~ WASHINGTON : 1935 For sale by the Superintendent of Documents, Washington, D.C. - - - Price 10 cents (Paper cover) CONTENTS Authority for investigations________________-_..___-__________-_-_--_ 1 Cooperation. _ ____________________________________________________ 2 Cooperation with the Territory of Hawaii____________________-___ 2 Other cooperation.____________________________________________ 3 Scope of work____________________________________________________ 4 Definition of terms__^____________________________________________ 4 Explanation of data___________________..______________________----_ 5 Accuracy of field data and computed results__________________________ 6 Division of work______________________..___________________________ 6 Publications. _____________________________________________________ 7 Gaging-station records____________________________________________ 8 Island of Kauai___________________________________-___-__----- 8 Waimea River below Kekaha Ditch intake, near Waimea--___- 8 Kawaikoi Stream near Waimea--.------_------__------_---_- 9 Kokee Ditch near Waimea_-_-_~---__-___----____________ 10 Waiahulu Stream near Waimea__-___________-_____-___----- 11 Kekaha Ditch at camp no. 1, near Waimea__._____-_---_---_- 12 Kekaha Ditch below tunnel no. 12, near Waimea____________ 13 Hanapepe River at Koula, near Eleele_______________________ 14 Hanapepe Ditch below intake, near Eleele__________________ 15 Hanapepe Ditch at Koula, near Eleele.______________________ 16 South Fork of Wailua River near Lihue______________________ 17 North Fork of Wailua River at elevation 650 feet, near Lihue__ 18 Hanalei Tunnel outlet near Lihue___________________________ 19 North Wailua Ditch near Lihue_..______________________-____ 20 Kanaha Ditch near Lihue__--_--.-_-___-_-_--___-__-___---_- 21 East Branch of North Fork of Wailua River near Lihue_____ 22 Kapahi Ditch near Kealia________________________________ 23 Anahola River near Kealia._--_._-_-_-_______--_-_____----- 24 Anahola Ditch above Kaneha Reservoir, near Kealia__________ 25 Ka Loko Ditch near-Kilauea--_----------__----------_---_- 26 Puu Ka Ele Ditch near Kilauea____________________________ 27 Hanalei River at elevation 625 feet, near Hanalei-____________ 28 Lumahai River near Hanalei_---_-___________________------ 29 Hanakapiai Stream near Hanalei..____________________-_-__-- 32 Hanakoa Stream near Hanalei______________________________ 33 Kalalau Stream near Hanalei______________________________ 34 Island of Oahu___________________________________________ 35 Right Branch of North Fork of Kaukonahua Stream near Wahiawa______________________________..__ 35 Left Branch of N orth Fork of Kaukonahua Stream near Wahiawa 36 Puhawai Stream at Lualualei, near Waianae__________________ 37 Pearl Harbor Springs at Waiawa, near Pearl City_______-- 38 Pearl Harbor Springs at Puukapu, near Pearl City__________ 30 Pearl Harbor Springs at Loko Kukona, near Pearl City______ 4Q in IV CONTENTS Gaging-station records Continued. Island of Oahu Continued. Page Pearl Harbor Springs at Kaluaoopu, near Pearl City.._________ 41 Pearl Harbor Springs at Waiau, near Pearl City ______________ 42 Pearl Harbor Springs at Kalauao, near Aiea._________________ 43 North Halawa Stream near Aiea__--__-_-_----_------___-___ 44 Moanalua Stream near Honolulu_---__--------_-------____-_ 45 Kalihi Stream near Honolulu-_____-_-----_-_-___---_-______ 46 Nuuanu Stream below reservoir no. 2 waste way, near Honolulu __ 47 West Branch of Manoa Stream near Honolulu._______________ 48 East Branch of Manoa Stream near Honolulu-_______________ 49 East Manoa Ditch near Honolulu._______ ___________________ 50 Pukele Stream near Honolulu_______________________________ 51 Waiomao Stream above Pukele Stream, near Honolulu.________ 52 Miscellaneous measurements__--__-__-_-_-___---___-__--__-_ 53 Island of MauL.______________________________________________ 54 Honoka.hau Stream near Honokahau._______________________ 54 Honokawai Ditch near Lahaina__----_-_--___---_-_-___--___ 55 Olowalu Ditch near 01owalu_________----__-__-_-______-_-__ 56 Oheo Stream below diversion dam near Kipahulu_____________ 57 Right Branch of Kahalawe Stream near Kipahulu.____________ 59 Hanawi Stream near Nahiku___-_----_-_____--____-___--_-_ 60 Kapaula Stream near Nahiku______-_---___-_--___---____-__ 61 Koolau Ditch at Nahiku weir, near Nahiku_________________ 62 Waiohue Stream near Nahiku______________________________ 63 West Kopiliula Stream near Keanae.________________________ 64 East Wailuaiki Stream near Keanae_________________________ 67 West Wailuaiki Stream near Keanae_________________________ 68 East Wailuanui Stream near Keanae-_______________________ 69 West Wailuanui Stream near Keanae-______--_-__-_-____-___ 70 Koolau Ditch near Keanae__ _______________________________ 71 Honomanu Stream at Haiku,-uka boundary, near Kailiili_______ 72 Honomanu Stream near Keanae.___________________________ 73 Fourth Branch of Honomanu Stream at Haiku-uka boundary, near Kailiili____________________________________-_____-_ 74 Seventh Branch of Honomanu Stream at Haiku-uka boundary, near Kailiili____________________________________-_-_____ 75 Haipuaena Stream at Haiku-uka boundary, near Kailiili_____±_ 76 Haipuaena Stream near Huelo.____________________________ 77 First Branch of Haipuaena Stream at Haiku-uka boundary, near KailiUi.._______________________________________________ 78 Third Branch of Haipuaena Stream at Haiku-uka boundary, near Kailiili__ ___________________________________________ 79 Spreckels Ditch at Haipuaena, near Huelo____-______,________ 80 Puohokamoa Stream near Huelo_--___---_-----_-------_-__- 81 West Branch of Puohokamoa Stream at Haiku-uka boundary, near Kailiili____________________________________________ 82 Middle Branch of Puohokamoa Stream at Haiku-uka boundary, near Kauiili__-__-__________-_-___---__--___-_---_---___ 83 East Branch of Puohokamoa Stream at Haiku-uka boundary, near Kailiili.___________________________________________ 84 Manuel Luis Ditch at Puohokamoa Gulch, near Huelo_._______ 85 Manuel Luis Ditch west of Puohokamoa Stream, near Huelo___ 86 Spreckels Ditch at Wahinepee, near Huelo__'___-____-_____.__ 87 CONTENTS V Gaging-station records Continued. Island of Maui Continued. Page Waikamoi Stream above Wailoa Ditch, near Huelo.____.__.___ 88 West Branch of Waikamoi Stream at Haiku-uka boundary, near KaUiili______________________________________________ 89 East Branch of Waikamoi Stream at Haiku-uka boundary, near Kailiili_________________________._____ 90 Alo Stream near Huelo____________________________________ 91 Kaaiea Stream near Huelo-_--____--_____--_--_____________ 92 Oopuola Stream near Huelo______-_-__-____________--__.___ 93 Nailiilihaele Stream near Huelo____--___--__--__--___--_____ 95 Second Branch of Nailiilihaele Stream at Haiku-uka boundary, near Kailiili-------------_-_-_-----__-------------__--_- 97 Kailua Stream at Haiku-uka boundary, near Kailiili_________ 98 Kailua Stream near Huelo____________-____-_-___-_-__-__ 99 Ninth Branch of Kailua Stream at Haiku-uka boundary, near Kailiili___.________________-_-______---__.__---__-__ 100 Tenth Branch of Kailua Stream at Haiku-uka boundary, near Kailiili...______.________________________ 101 Hoolawaliilii Stream near Huelo._-------------_--__-_-_____ 102 Hoolawanui Stream near Huelo.____________________________ 105 Honopou Stream near Huelo-_-_---___--___----__-_---_--__ 106 Wailoa Ditch at Honopou, near Huelo__-___----_-_-__--_____ 107 New Hamakua Ditch at Honopou, near Huelo_.______________ 108 Lowrie Ditch at Honopou Gulch, near Huelo---_-_'_-----_--_- 109 Haiku Ditch at Kapalalaea Gulch, near Huelo-_______ _______ 110 East Branch of Opana Stream at Haiku-uka boundary, near Kailiili.. _ Ill Miscellaneous measurements....____________________________ 112 Island of Hawaii-_____________________________________________ 113 Waiakea Stream at middle flume house, near Mountain View.__ 113 Wailuku River at Pukamaui, near Hilo______-_-__----_---___ 114 Wailuku River above Hilo Boarding School Ditch intake, near Hilo _ _ _ 115 Hilo Boarding School Ditch at intake, near Hilo______________ 116 Kapehu Stream at Piihonua, near Hilo_____________________ 117 Awini Ditch at East Honokaneiki Gulch, near Niulii__________ 118 East Honokaneiki intake to Awini Ditch at East Honokaneiki Gulch, near Niulii_____________________________________ 119 Kohala Ditch at Pololu, near Niulii-______-_-_.-___-__-_.___ 120 Kehena Ditch near Kohala-___-________-________-__________ 121 Miscellaneous measurements.______________________________ 122 Index__________________________________________________ 123 SURFACE WATER SUPPLY OF HAWAII, JULY 1, 1932, TO JUNE 30, 1933 AUTHORITY FOR INVESTIGATIONS This volume contains results of measurements of the flow of streams and ditches in the Territory of Hawaii during the year ending June 30, 1933. The data presented in this report were collected by the United States Geological