22 plants indexed.
WAILUKU KAHULUI WWTF serves approximately 37,500 residents in Kahului, Hawaii. The plant discharges treated wastewater into the Pacific Ocean via nearshore waters, supporting Maui's coastal environment.
Eleele WWTF in Port Allen, Hawaii serves approximately 7,500 residents. The plant operates under U.S. Clean Water Act regulations, managing wastewater for the Kauai community.
WAILUA WWTF serves 3,300 people in Kauaʻi County, Hawaii. The plant discharges treated wastewater into the local environment, contributing to the protection of Hawaii's sensitive island ecosystems.
LIHUE WWTF serves approximately 10,200 residents in Lihue, Hawaii. The plant discharges treated wastewater into the Pacific Ocean via the Nawiliwili coastal area.
Waianae WWTP serves approximately 37,000 residents in Waianae, Hawaii. The plant operates under the U.S. Clean Water Act, with NPDES permits regulating its discharge to protect local waters.
Waimanalo WWTF serves 8,200 people in Waimanalo Beach, Hawaii. The plant operates under the US Clean Water Act, treating wastewater for a coastal community on Oahu's eastern shore.
WAHIAWA WWTP serves approximately 20,207 people in Wahiawa, Hawaii. The plant operates under U.S. Clean Water Act regulations for municipal wastewater treatment.
Honouliuli WWTP serves approximately 189,000 people in Kapolei, Hawaii, as a key municipal wastewater facility on Oahu. It operates under US EPA and Hawaii Department of Health regulations.
KAILUA WWTP serves approximately 82,000 people in Kailua, Hawaii. The plant discharges treated wastewater into the local environment, supporting water quality in the region.
Sand Island WWTP serves Honolulu, Hawaii, treating wastewater for approximately 418,655 people. The plant discharges into the Pacific Ocean via a deep ocean outfall, supporting coastal water quality.
KEALAKEHE WWTP serves Kailua, Hawaii, treating wastewater for approximately 17,616 residents. The plant operates under U.S. EPA and state regulations, discharging treated effluent into the local watershed.
HILO WWTF serves approximately 36,000 residents in Hilo, Hawaii. The plant operates under the U.S. Clean Water Act, with discharge likely impacting Hilo Bay and the Pacific Ocean.
UtilityRadar indexes 22 wastewater treatment plants in Hawaii, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is Honolulu Board of Water Supply. UtilityRadar's records show 1 plant linked to this operator.