Archived Research Projects

Tropical Indicators Scientific Workshop

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SPONSOR: US EPA PROJECT PERIOD: 08/16/00 – 08/15/02 ABSTRACT: The goal of this study was to invite selected water quality experts to hold a two-day workshop in Hawaii for the purpose of completing several objectives: To scientifically evaluate the findings…

Sand Island Wastewater Treatment Plant Sludge Characterization Study

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The Sand Island Wastewater Treatment Plant (SIWWTP) is the largest treatment plant in Hawaii. At SIWWTP, an average of over 70 million gallons per day of sewage is treated to the enhanced primary level via flotation clarifiers and then discharged through an 84-inch ocean outfall located 2 miles offshore at a depth of 240 ft.

Quality Assurance Plan for Water Quality Monitoring During the Reconstruction and Aquaculture Operation of Traditional Coastal Fishponds on the Island of MolokaiU.H. College of Tropical Agriculture and Human Resources (CTAHR)

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SPONSOR:National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD:09/01/00 – 03/31/01 ABSTRACT:CTAHR personnel have prepared a Quality Assurance Plan (QAP) for the U.S. Environmental Protection Agency (EPA) regarding the project “Water Quality Monitoring During the Reconstruction and…

Optimize Aeration, Secondary Clarifier and Disinfection Processes

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SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 9/1/00 – 12/31/03 ABSTRACT: The U.S. Army’s Schofield Barracks Wastewater Treatment Plant has a history of not consistently meeting the microbial requirements for discharge into the Waialua…

Evaluation of Infiltration to Groundwater Waialua, Hawaii

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The Schofield Army Barracks Wastewater Treatment Plant (SBWWTP) treats wastewater from the following facilities in central Oahu, Hawaii: U.S. Army’s Schofield Barracks Military Reservation, Wheeler Army Air Field, Camp Stover Housing Area, Helemano Military Reservation, U.S. Navy’s Field Station Kunia, and the private Helemano Plantation Development.

Removal of Nitrogenous Aquaculture Wastes by a Wind Powered Reverse Osmosis System

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SPONSOR:U.S. Geological Survey PROJECT PERIOD:Year 1: 03/01/01 – 02/28/02Year 2: 03/02/02 – 02/28/03 ABSTRACT:Tilapia fish are a major source of protein around the world. In the United States, tilapia farming is the fastest growing segment of aquaculture, and over the…

Confirming the Natural Presence of Fecal Indicator Bacteria in Environmental Soil and Water on the Islands of Kauai and Hawaii

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SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/01 – 2/28/03 ABSTRACT: Problem and Research Objectives Our laboratory at the Water Resources Research Center, University of Hawaii, has been conducting water quality studies in the…

Sequential Anaerobic-Aerobic Biodegradation of PCBs and PAHs in Phytoremediation Cuttings Using Slurry Reactors and Composters

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SPONSOR:Environet, Inc. PROJECT PERIOD:05/01/02 – 10/31/03 ABSTRACT:The use of phytoextraction for clean-up of soils contaminated with heavy metals is an attractive alternative to excavation and treatment/removal operations that is quite well documented (Raskin, 2000). The use of plants to extract…

Removal of Nitrogenous Aquaculture Wastes by a Wind-Powered Reverse Osmosis System, Year 2

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SPONSOR: National Institute for Water Resources, Water Resources Research Institute Program PROJECT PERIOD: 3/1/2002 – 2/28/2005 ABSTRACT: Advanced treatment must be provided to wastewater used for freshwater aquaculture in order to meet effluent water quality standards. Because such treatment can…

Development and Implementation of a Water Monitoring Plan to Prepare for Criminal and Terroristic Contamination of a Drinking Water System

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SPONSOR:Honolulu Board of Water Supply PROJECT PERIOD:2/15/02 – 12/31/04 ABSTRACT:The recent acts of terrorism in the U.S. have clearly shown that agencies in the U.S. and throughout the world are not prepared to defend against terroristic acts on their citizenry.…