Overview
PAALAA KAI WWTP is an advanced treatment plant serving Haleʻiwa, Hawaii, with a capacity of 529.96 m³/day. It discharges 454.25 m³/day of treated wastewater, protecting local waters.
PAALAA KAI WWTP is an advanced wastewater treatment plant located on Waialua Beach Road in Haleʻiwa, on the island of Oahu, Hawaii. The plant serves a small population of approximately 950 residents, providing essential sanitation services to this North Shore community. As an advanced treatment facility, PAALAA KAI WWTP employs processes that go beyond secondary treatment to remove nutrients and other pollutants. The plant has a designed capacity of 529.96 m³/day and currently treats an average of 454.25 m³/day, operating well within its capacity. Under the U.S. Clean Water Act, such facilities are regulated through National Pollutant Discharge Elimination System (NPDES) permits issued by the Hawaii Department of Health, ensuring compliance with water quality standards. The treated effluent from PAALAA KAI WWTP is discharged into the local watershed, which ultimately drains to the Pacific Ocean. The plant plays a critical role in protecting the nearshore marine environment, including coral reefs and coastal ecosystems that are vital to Hawaii's biodiversity and tourism. By providing advanced treatment, the facility helps minimize nutrient loading and other impacts on sensitive receiving waters.
Environmental context
The plant discharges treated wastewater into the North Shore watershed of Oahu, which flows into the Pacific Ocean. This coastal area supports diverse marine life, including coral reefs, sea turtles, and migratory fish species. Advanced treatment reduces nutrient pollution, helping to prevent algal blooms and protect the ecological health of the nearshore environment.
Frequently asked questions
PAALAA KAI WWTP is located on Waialua Beach Road in Haleʻiwa, on the North Shore of Oahu, Hawaii, United States.
The plant serves approximately 950 residents in the Haleʻiwa area, providing advanced wastewater treatment for this small coastal community.
The treated effluent is discharged into the local watershed, which drains to the Pacific Ocean. The plant's advanced treatment ensures high-quality effluent to protect the marine environment.
As a U.S. facility, PAALAA KAI WWTP operates under the Clean Water Act and is regulated by an NPDES permit issued by the Hawaii Department of Health, which sets limits on pollutant discharges.
Plants serving small communities like Haleʻiwa often employ advanced treatment to meet stringent water quality standards, especially when discharging to sensitive coastal waters. This helps protect coral reefs and marine life.
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