Murupara Wastewater Treatment Plant, Whakatāne District, Bay of Plenty

Murupara wastewater treatment plant is located in the Whakatāne District of the Bay of Plenty region, New Zealand. It serves a population of approximately 2,361 people, providing essential wastewater management for this rural community. The plant is situated inland, away from the coast, and operates under New Zealand's national wastewater regulations. The plant provides secondary treatment, which is the standard biological treatment process that significantly reduces organic matter and suspended solids. For a small agglomeration of this size, secondary treatment is appropriate and aligns with typical requirements under New Zealand's Resource Management Act. The plant discharges an annual volume of 905.77 megaliters of treated wastewater. The treated effluent from the plant is discharged into the local catchment, which ultimately drains into the Rangitaiki River system. This river flows northward through the Bay of Plenty region before entering the Pacific Ocean. The Rangitaiki River supports diverse aquatic life and is an important waterway for both ecological and recreational purposes in the region.

The plant discharges into the Rangitaiki River catchment, which flows through the Bay of Plenty region to the Pacific Ocean. The river supports native fish species such as longfin eels and trout, and its estuarine zone provides critical habitat for migratory birds. The surrounding watershed includes agricultural land and native forest, making nutrient management important for downstream water quality.