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Board of Water Supply

Board of Water Supply. Consultant: Townscape, Inc. WAI‘ANAE WATERSHED MANAGEMENT PLAN Working Group Meeting April 28, 2005 Co-Sponsored by Wai‘anae Coast Neighborhood Board No. 24. WAI‘ANAE WATERSHED MANAGEMENT PLAN. Purpose for the BWS Watershed Management Plans.

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Board of Water Supply

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  1. Board of Water Supply Consultant: Townscape, Inc. WAI‘ANAEWATERSHED MANAGEMENT PLANWorking Group MeetingApril 28, 2005Co-Sponsored by Wai‘anae Coast Neighborhood Board No. 24

  2. WAI‘ANAE WATERSHED MANAGEMENT PLAN

  3. Purpose for the BWS Watershed Management Plans • Balance water system infrastructure needs and economics with social, cultural, ecological values and needs. • Provide a “road map” for protection, conservation, resource management, allocation and capital investment. • Required by State Water Code and City/County Ordinance • Prepare the Oahu Water Management Plan • Waianae and Koolauloa district plans. PROTECT AND SUSTAIN O’AHU WATER

  4. GOAL of the WAI‘ANAEWATERSHED MANAGEMENT PLAN Provide short, mid-, and long-range guidance for the sustainable management and use of surface and ground water resources.

  5. Key Themes • Community-based. • Environmentally holistic. • Action-Oriented. • In alignment with State and City water and land use policies. • Reflects ahupua’a management principles of Wai‘anae community.

  6. PROCESS Watershed Analysis Stakeholder Consultation Watershed Management Strategies Five Year Action Plan Water Use and Development Plan Watershed Management Plan

  7. WAI‘ANAE DISTRICT • Population: 45,000 (5% of O‘ahu) • District Size: 38,089 acres • Land Use (acres) • Urban 4,787 (12.6%) • Agriculture 15,431 (40.5%) • Conservation 17,871 (46.9%)

  8. Wai‘anae Watersheds • 9 Ahupua‘a • 9 Watersheds • 6 Major Streams

  9. Wai‘anae Aquifer Systems (5) CWRM SUSTAINABLE YIELD: 15 MGD

  10. O‘ahu Pumpage 2000: 154 MGD Ko‘olau Loa 2% Pop 10 MGD (1.5 MGD) Ko’olau Poko 13% Pop 12.2 MGD (19.7 MGD) East Honolulu 5% Pop 0.3 MGD (10.0 MGD) O‘ahu Water Demand Wai‘anae 5% Pop 4.8 MGD (9.3 MGD)

  11. Wai‘anae Water Use • Ave. daily consumption (2000): 9.3 MGD • Ave. daily pumpage (2000): 4.8 MGD • Ave. daily import (2000): 4.5 MGD • Largest type of use: Residential 5.1 MGD • Largest metered user (2003-2004): City Parks 185,610 GPD • Largest nonpotable use : 400,00 GPD Makaha Hotel and Resort

  12. GUIDING VALUES • Water is sacred. • Recycle, reuse, and conserve water. • Maintain the rural and agricultural landscape. • Appropriate alternative water development. • Maintain community self-sufficiency, dignity, and good health. • Respect water rights. • Watershed management involves everyone. • Protect species and habitats from mountain to sea. • Access to watersheds requires a sense of kuleana. • Controlled and balanced community growth.

  13. ISSUES and NEEDS • Disruption of fresh water flows to nearshore waters. • No water flowing in streams. • Farmers need affordable water meters. • Expand lo‘i kalo cultivation and traditional agricultural practices. • Illegal rubbish dumping in streams. • Need to manage development. • Golf courses need to use recycled water. • Redesign concrete channels to restore native species and habitats.

  14. ISSUES and NEEDS • Maintain BWS infrastructure. • Effects of wildfires – spread of alien species. • Residential water rates – consider dry leeward conditions. • Filled wetlands and estuaries and no management of remaining wetlands. • Need education on watersheds and water supply. • Lack of dedicated funds for agencies involved in watershed management. • Insufficient staff to run agency programs.

  15. Major Objective: Create links between issues and management strategies. Strategies may take the form of projects, programs and policies. Categories Water: Surface, Ground and Near-Shore Land Use Zones: Agricultural, Urban, Conservation Management and Culture Education and Involvement Preliminary Watershed Management Strategies

  16. Water: Surface, Ground and Near-Shore • Surface • Stream Conservation Corridors • Wetlands Restoration and Protection • Redesign Concrete Flood Channels • Water Quality Testing and Monitoring • Stream Dumping Prevention & Mitigation • Stream Biological Assessment • Mitigation of Impaired Water Bodies Preliminary Strategies

  17. Water continued Ground • Wai‘anae Hydrogeology Study • Landfill and Dump Management Program • Cesspool Inventory and Assessment Nearshore • Coastal Resource Management Program Preliminary Strategies

  18. Land Use Zones Agriculture • Experimental Agriculture Program • Lo‘i Kalo Expansion Program Urban • Flood Mitigation Program Preliminary Strategies

  19. Land Use Zones Conservation • Forest Restoration Program • Forest Activities Management • Wildfire Management Plan & Protocol for Action Preliminary Strategies

  20. Management & Culture • Wai‘anae Watershed Partnership • Makaha Learning Center Project • Wai‘anae Landscape Restoration Plan Preliminary Strategies

  21. Education and Involvement • Watershed Resource Management Training • Community Watershed Education Program • Watershed Signage Project • Research Watershed: Makaha Preliminary Strategies

  22. Activities • Small Group (30 minutes) • Explain/clarify strategies, add new strategies, add more detail. • Large Group (30 minutes) • Review small group discussions. • Select high priority strategies to focus planning teams work.

  23. Wai‘anae Watershed Management Plan

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