KAU TO SOUTH KONA WATER MASTER PLAN

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KAÿU TO SOUTH KONA WATER MASTER PLAN
COUNTY OF HAWAIÿI OFFICE OF THE MAYOR
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KAÿU TO SOUTH KONA GENERAL PUBLIC MEETING NO. 02
NOVEMBER 2003

• Context background, objective, scope
• Project Schedule
• Preliminary Water Master Plan
• Preliminary Water System Alternatives
• Financing Options
• Next Steps

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CONTRACT BACKGROUND
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PLANNING OBJECTIVE
To develop a community-based water master plan
for the region from Waiÿöhinu to Hoÿokena that
will address

• Short-term provide for basic domestic and
  commercial water supply needs.
• Long-term plan water supply systems for 2020
  water demands for domestic, commercial and
  agriculture.

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PRODUCTS Kaÿu to South Kona Water Master Plan

• Short Range Water Facilities Plan
• Long Range Regional Water Master Plan
• Final Report
• Summary Brochure
• Grant Application(s)

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PROJECT SCHEDULE
MAR APR MAY JUN
JUL AUG SEPT OCT
NOV DEC JAN FEB
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FINDINGS Community Issues

• Cost of Hauled Water
• Drought
• Fire Protection
• Public Health
• New public school(s)
• Lava Hazard
• Sustainable Agriculture
• Rural lifestyle

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FINDINGSOcean View Growth Projections
Based on U.S. Census Reports 25 to account for
under reporting
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FINDINGSSouth Kona Growth Projections
Based on U.S. Census Reports 25 to account for
under reporting
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GROUNDWATER OCCURRENCE

• Conceptual Map developed to identify location of
  groundwater
• High level perched water Waiohinu/South Point
  Area
• Freshwater gt2000 ft. elevation
• Brackish water lt2000 ft. elevation.

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SUSTAINABLE YIELD PER MILE

• Estimate of sustainable yield generated using a
  groundwater recharge model
• The model considered
• Evapotranspiration
• Geology
• Rainfall
• Land use
• Vegetation
• Data was used to identify areas suitable for
  source development

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PRELIMINARY WATER MASTER PLAN
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PRELIMINARY WATER MASTER PLAN
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PRELIMINARY WATER MASTER PLAN ELEMENT I
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PRELIMINARY WATER MASTER PLAN Highway Corridor
Well
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PRELIMINARY WATER MASTER PLAN ELEMENT II
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WELL LOCATION CRITERIA

• ELEVATION Above 2000-foot elevation.
• FUTURE WELL DEVELOPMENT Future wells at same
  elevation.
• URBAN CORE AND PRESSURE Elevation above the
  urban core provides sufficient pressure for fire
  protection.
• POWER Power is available or upgradeable
• PROPERTY Parcel(s) are available for lease or
  outright purchase.

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PRELIMINARY WATER MASTER PLAN ELEMENT III
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PRELIMINARY WATER MASTER PLAN ELEMENT IV
Kau to South Kona Water Master Plan ELEMENT IV
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PRELIMINARY ALTERNATIVE WATER SYSTEM
CONCEPTS ELEMENT I
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PRELIMINARY ALTERNATIVE WATER SYSTEM
CONCEPTS ELEMENT II
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WATER FINANCINGOCEANVIEW TEST WELL1.3 MILLION

• 1) STATE OF HAWAII
• State legislation must be introduced
• Capital Improvement Projects
  (CIP) Allocation
• 2) PRIVATE FUNDS

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WATER FINANCINGOV PRODUCTION WELL
RESERVOIR2.23 MILLION

• 1) COUNTY OF HAWAII
• a) Tax Increment District (Chap. 33)
• WHAT Property tax revenue increases dedicated to
  improvements in the district.
• HOW
• Initiation by County Council for study.
• Council adopts ordinance to accept.
• REQUIRES
• Designation as Improvement District or
  Community Facilities District.

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WATER FINANCINGOV PRODUCTION WELL
RESERVOIR2.23 MILLION

• b) Community Facilities Districts (CFD) (Chap.
  32)
• WHAT Special tax levied for improvements with a
  lien on property.
• HOW
• Resolution by County Council for study.
• Council adopts ordinance to accept.
• REQUIRES
• Petition with 25 of area landowners.
• Assessed land value 2x the cost of improvements.

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WATER FINANCINGOV PRODUCTION WELL
RESERVOIR2.23 MILLION

• c) Improvements by Assessment (ID) (Chap. 12)
• WHAT Assessed fee for improvements with lien on
  property.
• HOW
• Resolution by County Council for study.
• Council adopts ordinance to accept.
• REQUIRES
• Petition with 60 of owners OR 20 of owners and
  50 residents.
• Assessed land value 2x the cost of improvements.

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WATER FINANCINGOV PRODUCTION WELL
RESERVOIR2.23 MILLION
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WATER FINANCINGOV PRODUCTION WELL
RESERVOIR2.23 MILLION

• WATER 2025
• U.S. Dept. of Interior, Bureau of Reclamation
• Commitment to address water supply challenges.
• Conservation, efficiency, collaboration, improved
  technology, interagency coordination.

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NEXT STEPS

• Develop Draft Report
• Community Survey
• Government and Community Review
• General Public Meeting No. 03

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