Overview
Waimea WWTF Kauai is an advanced treatment plant serving approximately 3,000 people in Waimea, Hawaii. It discharges treated wastewater into the local environment under US EPA and state regulations.
Waimea WWTF Kauai is a municipal wastewater treatment facility located on Kaumualiʻi Highway in Waimea, on the island of Kauaʻi, Hawaii. The plant serves a population of about 3,000 residents, providing advanced treatment to protect public health and the surrounding environment. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other contaminants. With a designed capacity of approximately 2,650 cubic meters per day and a current discharge volume of about 909 cubic meters per day, the facility operates well within its capacity. As a US plant, it operates under the Clean Water Act, with NPDES permits issued by the Hawaii Department of Health, ensuring compliance with federal and state water quality standards. The treated effluent is discharged into the local watershed, which ultimately drains to the Pacific Ocean. The plant plays a critical role in preserving the water quality of Kauaʻi's streams and coastal waters, supporting the island's diverse aquatic ecosystems and recreational uses.
Environmental context
Waimea WWTF Kauai discharges into the local watershed on the island of Kauaʻi, which drains into the Pacific Ocean. The receiving waters support sensitive coastal ecosystems, including coral reefs and nearshore habitats that are vital for marine biodiversity. Advanced treatment helps minimize nutrient loading and protects these environments from eutrophication and other pollution impacts.
Frequently asked questions
Waimea WWTF Kauai is located on Kaumualiʻi Highway in Waimea, on the island of Kauaʻi, Hawaii, United States.
The plant serves approximately 3,000 residents in the Waimea area.
The plant discharges treated effluent into the local watershed, which ultimately flows to the Pacific Ocean. The advanced treatment process ensures high-quality effluent to protect downstream water bodies.
The plant protects the streams and groundwater of the Waimea watershed, which drain into the Pacific Ocean. By providing advanced treatment, it helps maintain water quality in these waterways and the coastal environment.
As a US facility, Waimea WWTF Kauai operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits. The Hawaii Department of Health oversees permitting and compliance, ensuring the plant meets federal and state water quality standards.
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