College of Tropical Agriculture and Human Resources
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Hawaii Water Quality Extension Program
nps 319 | hawaii watersheds
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Natural Resources Extension

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Hawaii is a member of the Southwest States and Pacific Islands Water Quality Coordination Team

  Hawaii Island watershed map

This page links to all of the projects that have been undertaken throughout the island of Hawaii since 1990 using EPA Section 319 grant funds. Currently, only pages with links contain information about a 319 project in that watershed unit. There are 160 Hawaii Watershed Units totaling 2,584,376 acres. The Island prefix for Hawaii Waterhsed Unit Codes is 2001000 followed by a second set of numbers as seen on the map above and next to each watershed in the table below. Note: only 34 of the units have been mapped.
1-02 Hualua 2-56 Honolii 4-97 Honokohau
1-12 Aamakao 2-60 Wailuku 4-98 Kealakekua
1-16 Honokane Nui 2-61 Wailoa 4-99 Kauna
1-35 Waimanu 2-62 Kaahakini 5-03 Waikoloa/Waiulaula
1-44 Wailoa/Waipio 3-01 Hilea 5-94 Mahukona
1-68 Kalopa 3-96 South Point 5-95 Lapakahi
1-76 Waipunahina 3-97 Pahala 5-96 Keawanui
1-90 Kaula 3-98 Kapapala 5-97 Kawaihae
2-02 Kaawali 3-99 Kilauea 5-98 Pohauloa
2-24 Waikaumalo 4-01 Kiilae 5-99 Kiholo
2-30 Umauma 4-02 Waiaha  
2-33 Kolekole 4-96 Keahole  
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Cooperative Extension Service programs, conducted in cooperation with the U. S. Department of Agriculture, are provided to the people of Hawaii without regard to race, sex, age, religion, color, national origin, ancestry, disability, marital status, arrest and court record, sexual orientation, or veteran status. The University is an equal opportunity / affirmative action institution.