Cars drive down an eroded Kamehameha Highway on May 11 in Hauula. Rising seas are eroding Hawaii's coast near homes with cesspools, pulling sewage out to sea.
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Jim King, right, CEO of Eljen Corporation, and Lance Bates, a distributor of Ejen Corporation products, demonstrate how to install a septic tank and leach field system to replace a residential cesspool on May 11 in Waialua.
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Shellie Habel, coastal geologist at the University of Hawaii Sea Grant College Program, tests the salinity of water on a chronically flooded road in Mapunapuna on May 19.
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Jim King, CEO of Eljen Corporation, demonstrates how to install a septic tank and leach system to replace a cesspool at a home on May 11 in Waialua.
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Contractors replace a cesspool with a septic tank and leach field system on May 11 in Waialua.
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DLNR VIA AP
This Jan. 26, 2015 photo provided by the Hawaii Department of Land and Natural Resources shows a partially exposed cinderblock cesspool pit with a lid on an eroding shoreline in Punaluu.
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DLNR VIA AP
This photo provided by the Hawaii Department of Land and Natural Resources, shows a home after it collapsed onto a beach on Feb. 28 in Haleiwa.
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DLNR VIA AP
This photo provided by the Hawaii Department of Land and Natural Resources, shows a home, right, after it collapsed onto a beach on Feb. 28, 2022, in Haleiwa.
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Contractor Wendall Bandmann drives an excavator helping to install a leach field, which is connected to a septic tank, to replace a residential cesspool in Waialua.