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WRRCTR No.140 Environmental Aspects of Kapaa Landfill, Kawainui, Oahu, Hawaii

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dc.contributor.author Chun, Michael J.
dc.contributor.author Dugan, Gordon L.
dc.date.accessioned 2008-07-17T22:21:22Z
dc.date.available 2008-07-17T22:21:22Z
dc.date.issued 1981-09
dc.identifier.citation Chun MJ, Dugan GL. 1981. Environmental aspects of Kapaa landfill, Kawainui, Oahu, Hawaii. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 140.
dc.identifier.uri http://hdl.handle.net/10125/1964
dc.description.abstract The operation of the City and County of Honolulu, Kapaa Sanitary Landfill, located next to Kawainui marsh on Windward Oahu, Hawaii, raised concern over the possibility that landfill leachate could have adverse effects on the marsh. Thus, this study established six sampling sites each for surface water, groundwater, and combustible gas. Analyses were conducted for typical surface water and leachate parameters. The combustible gas monitoring was primarily for methane. There was obvious interchange of the marsh water and groundwater, with the higher mineral constituents of seawater intrusion being more evident in the monitoring wells with lower water levels. The outstanding characteristic of leachate, COD, with a reported typical concentration of 18,000 mg/l, was only found at a maximum median value of 38 mg/l in one of the six monitoring wells, while its surface water sampling station counterpart was nearly the same, 39 mg/l. No particular consistent correlation could be found to relate individual constituent concentrations of the surface water stations or monitoring wells to groundwater levels, rainfall, or seasonal and/or annual changes. If leachate is indeed entering the underlying groundwater its effect at this time would have to be considered minor. It was determined that no methane was detected in the gas monitoring wells.
dc.description.sponsorship Division of Refuse Department of Public Works City and County of Honolulu Grant/Contract No. F-417-78, F-813-79
dc.format.extent x + 66 pages
dc.language.iso en-US
dc.publisher Water Resources Research Center, University of Hawaii at Manoa
dc.relation.ispartofseries WRRC Technical Report
dc.relation.ispartofseries 140
dc.subject landfills
dc.subject surface waters
dc.subject groundwater
dc.subject gases
dc.subject environmental effects
dc.subject water wells
dc.subject plants (botany)
dc.subject birds
dc.subject Hawaii
dc.subject Kapaa Landfill
dc.subject Kawainui (marsh) Swamp
dc.subject Oahu
dc.subject.lcsh Groundwater -- Pollution -- Hawaii -- Oahu.
dc.subject.lcsh Kawainui Marsh (Hawaii)
dc.subject.lcsh Sanitary landfills -- Leaching -- Hawaii -- Oahu.
dc.subject.lcsh Water quality -- Hawaii -- Oahu.
dc.title WRRCTR No.140 Environmental Aspects of Kapaa Landfill, Kawainui, Oahu, Hawaii
dc.type Report
dc.type.dcmi Text
Appears in Collections: WRRC Technical Reports


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