Final Environmental Assessment Ke Kula ‘O Samuel M. Kamakau Laboratory Public Charter School Relocation TMK: 4-6-14: 1 and 18 and 4: 6-15: 14 Ha‘ikū Valley, Kāne‘ohe, O‘ahu, Hawai‘i October 2008 Final Environmental Assessment Ke Kula ‘O Samuel M. Kamakau Laboratory Public Charter School Relocation TMK: 4-6-14: 1 and 18 and 4: 6-15: 14 Ha‘ikū Valley, Kāne‘ohe, O‘ahu, Hawai‘i October 2008 Prepared for: Ke Kula ‘O Samuel M. Kamakau Laboratory Public Charter School Prepared by: Helber Hastert & Fee, Planners For submittal to: Department of Hawaiian Home Lands, State of Hawai‘i Prepared pursuant to Chapter 343, Hawai‘i Revised Statutes TABLE OF CONTENTS Ke Kula ‘O Samuel M. Kamakau Charter School Relocation Final Environmental Assessment TABLE OF CONTENTS CHAPTER 1: INTRODUCTION...................................................................................................................1 1.1 Background.........................................................................................................................................1 1.2 Applicant and Action ...........................................................................................................................1 1.3 Project Summary ................................................................................................................................5 1.4 Permits and Approvals........................................................................................................................6 1.5 Determination .....................................................................................................................................6 CHAPTER 2: PROPOSED ACTION ..........................................................................................................7 2.1 Project Location..................................................................................................................................7 2.1.1 Site History................................................................................................................................7 2.2 Purpose of and Need for Action..........................................................................................................8 2.3 Project Description..............................................................................................................................8 CHAPTER 3: AFFECTED ENVIRONMENT ..............................................................................................11 3.1 Physical Environment .......................................................................................................................11 3.1.1 Soils and Topography..........................................................................................................11 3.1.2 Surface and Ground Water..................................................................................................11 3.1.3 Natural Hazards...................................................................................................................13 3.1.4 Climate and Air Quality ........................................................................................................13 3.1.5 Noise ...................................................................................................................................13 3.2 Biological Resources ........................................................................................................................13 3.3 Cultural Resources ...........................................................................................................................14 3.3.1 Archaeological Sites ........................................................................................................... 14 3.3.2 Historic Properties ...............................................................................................................16 3.3.3 Cultural Practices.................................................................................................................17 3.4 Infrastructure and Public Services ....................................................................................................19 3.4.1 Traffic and Roadways ..........................................................................................................19 3.4.2 Parking and Access .............................................................................................................22 3.4.3 Water Supply .......................................................................................................................22 3.4.4 Wastewater..........................................................................................................................22 3.4.5 Storm Drainage....................................................................................................................23 3.4.6 Electrical Infrastructure ........................................................................................................23 3.4.7 Solid Waste..........................................................................................................................23 3.4.8 Hazardous Materials and Waste..........................................................................................23 3.4.9 Police and Fire Protection....................................................................................................24 3.5 Socio-Economic Factors...................................................................................................................24 3.6 Visual Resources..............................................................................................................................26 3.7 Recreational Resources....................................................................................................................26 i TABLE OF CONTENTS Ke Kula ‘O Samuel M. Kamakau Charter School Relocation Final Environmental Assessment CHAPTER 4: ENVIRONMENTAL CONSEQUENCES ..............................................................................29 4.1 Physical Environment .......................................................................................................................29 4.1.1 Soils and Topography..........................................................................................................29 4.1.2 Surface and Ground Water..................................................................................................29 4.1.3 Natural Hazards...................................................................................................................29 4.1.4 Climate and Air Quality ........................................................................................................29 4.1.5 Noise ...................................................................................................................................30 4.2 Biological Resources ........................................................................................................................30 4.3 Cultural Resources ...........................................................................................................................30 4.3.1 Archaeological Sites ...........................................................................................................30 4.3.2 Historic Properties ...............................................................................................................31 4.3.3 Cultural Practices.................................................................................................................31 4.4 Infrastructure and Public Services ....................................................................................................31 4.4.1 Traffic and Roadways ..........................................................................................................31 4.4.2 Parking and Access .............................................................................................................34 4.4.3 Water Supply .......................................................................................................................35 4.4.4 Wastewater..........................................................................................................................35 4.4.5 Storm Drainage....................................................................................................................35 4.4.6 Electrical Infrastructure ........................................................................................................35 4.4.7 Solid Waste..........................................................................................................................36 4.4.8 Hazardous Materials and Waste..........................................................................................36 4.4.9 Police and Fire Protection....................................................................................................36 4.5 Socio-Economic Factors...................................................................................................................37 4.6 Visual Resources..............................................................................................................................37 4.7 Recreational Resources....................................................................................................................37 4.8 Cumulative Impacts ..........................................................................................................................38