Overview
Lake Coleridge STP is an advanced wastewater treatment plant serving 124 people in Lake Coleridge Village, New Zealand. It discharges 22.84 megalitres of treated wastewater annually.
Lake Coleridge STP is a municipal wastewater treatment facility located in Lake Coleridge Village, within the Selwyn District of New Zealand's South Island. The plant serves a small population of 124 residents, reflecting its role in a rural alpine community. The plant employs advanced treatment processes, ensuring a high level of effluent quality before discharge. As a small-scale facility, it operates under New Zealand's Resource Management Act, which sets stringent environmental standards for wastewater treatment to protect sensitive freshwater ecosystems. The treated effluent is discharged into the local environment, which ultimately drains into the Rakaia River catchment and then to the Pacific Ocean. The plant's advanced treatment helps safeguard the pristine waters of the region, which support diverse aquatic life and are valued for recreation and conservation.
Environmental context
The plant discharges into the Rakaia River catchment, a braided river system that flows from the Southern Alps to the Pacific Ocean. The watershed supports native fish species like longfin eel and trout, and its gravel beds are critical for bird nesting. The advanced treatment minimizes nutrient and pathogen loading, protecting downstream water quality in this ecologically sensitive alpine-to-coastal corridor.
Frequently asked questions
Lake Coleridge STP is located in Lake Coleridge Village, Selwyn District, on New Zealand's South Island.
The plant serves a small community of 124 residents in the Lake Coleridge area.
The plant uses advanced treatment processes and discharges treated effluent into the local environment, which drains into the Rakaia River catchment and eventually to the Pacific Ocean.
The plant operates under New Zealand's Resource Management Act, which requires wastewater treatment to meet strict environmental standards to protect water quality and ecosystems.
Small plants like Lake Coleridge STP often employ advanced treatment to meet stringent discharge standards, especially in sensitive alpine catchments, ensuring minimal environmental impact.
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