Green Island Wastewater Treatment Plant, Dunedin City, Otago

Green Island is a wastewater treatment plant located in Dunedin City, Otago, New Zealand, serving a population of approximately 11,675. The facility is situated in the Waldronville area and operates as part of the region's municipal wastewater infrastructure. As a plant serving a medium-sized agglomeration, it falls under New Zealand's regulatory framework for wastewater treatment, which requires appropriate treatment to protect receiving environments. The plant's designed capacity is 1.00, indicating its scale relative to the population served. The plant's discharge ultimately reaches the Pacific Ocean via local waterways. The Otago region is known for its diverse coastal and freshwater ecosystems, and the plant plays a role in maintaining water quality in the area. Proper treatment helps protect downstream environments, including estuaries and marine habitats.

The plant's treated effluent likely discharges into local streams that flow into the Pacific Ocean near Dunedin. The Otago coastline supports diverse marine life, including seabirds and fish species. Protecting water quality is important for the region's ecological health and recreational uses.