Department of Environmental Services
- Sewer Rates Information Page
- Service Alert: Green Recycling Organic Waste (G.R.O.W.): Starting April 1, 2026, the City will start accepting food waste in the green cart for selected areas.
- Water Savings-Rebate Information
Refuse Division
Published Reports and Studies
Landfill Studies/Reports
Landfill Studies/Reports
- O‘ahu Landfill Siting Study Supplemental Technical Memorandum – October 2024
- Oʻahu Landfill Siting Study & Landfill Advisory Committee Recommendations, Final Report – June 2022
- Assessment of Muncipal Solid Waste Handling Requirements for the Island of O‘ahu – November 2017
- The Report of the Mayor’s Advisory Committee on Landfill Site Selection – September 25, 2012 (Final)
- The Report of the Mayor’s Advisory Committee on Landfill Site Selection – September 25, 2012 (Final) – Appendices
- Waimanalo Gulch Sanitary Landfill – EIS Preparation Notice – November 2006
- Waimanalo Gulch Sanitary Landfill – EIS Preparation Notice – Appendix A – November 2006
- Waimanalo Gulch Sanitary Landfill – Draft EIS: Part 1 of 2 – May 2008
- Waimanalo Gulch Sanitary Landfill – Draft EIS: Part 2 of 2 – May 2008
- Waimanalo Gulch Sanitary Landfill – Final EIS: Volume 1 of 3
- Waimanalo Gulch Sanitary Landfill – Final EIS: Volume 2 of 3
- Waimanalo Gulch Sanitary Landfill – Final EIS: Volume 3 of 3
- Environmental Assessment for Waipahu Ash Landfill Closure is available on CD. Please contact us to request a copy.
Alternative Technology Studies/Reports
Alternative Technology Studies/Reports
New Systems Research Study – April 2000
- Introduction
- Executive Summary
- Narrative Summary
- Section 1 – Introduction
- Section 2 – Background
- Section 3 – Study Assumptions and Basis
- Section 4 – First-Tier Screening of Technologies
- Section 5 – Second-Tier Screening of Technologies
- Section 6 – Facility Concepts for Short Listed Technologies
- Section 7 – Evaluation of Short Listed Technologies
- Section 8 – List of References
- Appendix- Vendor and Technology Information
- Section A1 – Alternative 1, Plasma Oxidation/Vitrification
- Section A2 – Alternative 2, Plasma Gasification/Vitrification
- Section A3 – Alternative 3, Rotary Kiln Gasification
- Section A4 – Alternative 4, Low Temperature Pyrolysis
- Section A5 – Alternative 5, Advanced Composite Materials
- Section A6 – Alternative 6, Metals Recycling
- Section A7 – Alternative 7, Gypsum Recycling
- Section A8 – Miscellaneous
Solid Waste Master Planning
Solid Waste Master Planning
Waste Composition Studies
Waste Composition Studies were conducted in 2006 and 2017 to help write the Integrated Solid Waste Master Plans.
Residential Curbside Waste Composition
A specific analysis of the residential waste collected curbside in the blue, green and gray carts is presented in a program evaluation report prepared by ENV and supported by a waste characterization study conducted by Cascadia Consulting Group.
- 2016 Blue Cart Mixed Recyclables Composition Study
- Curbside Recycling Evaluation and Strategic Planning Phase I, November 2011
Disaster Debris Management Operations Plan – October 2008
Disaster Debris Management Operations Plan – Appendix 1, October 2008
- Table 2 – U.S. Army Corps of Engineers Model Generated by Storm Category
- Table 3 – Category 5 Debris Totals using U.S. Army Corps of Engineers Model Debris Classifications
- Table 4 – Estimated Composition of Hurricane Debris for Category 4 Storm
- Table 4(a) – Category 4 Debris Totals using U.S. Army Corps of Engineers Model Debris Classifications
- Table 4A – Equipment Requirements by Hurricane Category for each Debris Shed
- Table 4B – Process Debris Volumes for each Debris Shed based on a Category 4 Hurricane
- Table 5 – Estimated Generation Rate of Flood Debris and TDSR Site Area Requirements by Sector
- Table 6 – Estimated Generation Rate of Tsunami Debris and TI Area Requirements
- Table 7 – Debris Calculations using the U.S. Army Corps of Engineers Model per Debris Shed
- Table 8 – TDSR Sites by Debris Shed
- Table 9 – TDSR Site Selection Matrix
- Figure 1 – Topographic Map
- Figure 2 – Census District Map
- Figure 3 – Haul Route Maps
- Figure 4 – Debris Shed Map
- Figure 5 – Potential Temporary Debris Storage and Reduction SiteMap
- Figure 6 – DLNR Feed Lot
- Figure 7 – Bellows Airfield
- Figure 8 – Naval Magazine West Loch Drive Property
- Figure 9 – Former Barber’s Point Naval Air Station Property
- Figure 10 – Naval Magazine Lualualei Radio Tower Site
- Figure 11 – PVT Landfill Access Road
- Figure12 – Kapalama Yard
- Figure 13 – Campbell Industrial Park
- Figure 14 – Campbell at Waipahu
- Figure 15 – Dole Fields (on Kamehameha Highway)
- Figure 16 – U.S. Army Training Area Gate
Integrated Solid Waste Management Plan
- 2024 Interim Status Report for the Integrated Solid Waste Management Plan (2019), November 2024
- Integrated Solid Waste Management Plan – November 2019
- 2013 Interim Status Report on the Integrated Solid Waste Management Plan (2008), December 2013
- Integrated Solid Waste Management Plan Update, October 2008
- Integrated Solid Waste Management Plan Appendices – The appendices included in the document are:
- A: Waste Characterization Study
- B: Examples of State Electronic Waste Legislation
- C: Trans-Shipment of Waste Analysis
- D: Comparison of Materials Recycling to Energy Recycling Study
- E-1: Detailed Cost Study
- E-2: Summary of Scenario A
- E-3: Summary of Scenario
Other
Recycling Studies/Reports
Recycling Studies/Reports
- Sustainable Return on Investment Analysis – May 2020
- Report on Enforcement of Mandatory Business Recycling – June 2018
- Report on City Agency Mandatory Recycling – June 2018
- Curbside Recycling Program Evaluation and Strategic Planning Phase 1 – November 2011
- Curbside Recycling Pilot Program Evaluation – June 2008
- Mililani Curbside Recycling Pilot Evaluation – March 2004
- Analysis of Residential Curbside Recycling – April 1999
- Green Waste Collection, Processing and Marketing – August 1999 (part 1 of 2)
- Green Waste Collection, Processing and Marketing – August 1999 (part 2 of 2)
- Recycling Report – Pilot Phase Evaluation and Recommendations – October 30, 1991