Lake Ohau Alpine Village, Canterbury

Overview

Lake Ohau Alpine Village wastewater treatment plant in Canterbury, New Zealand, provides secondary treatment for a small alpine community of 81 residents, discharging treated wastewater locally.

Lake Ohau Alpine Village wastewater treatment plant serves the small alpine community of Lake Ohau Alpine Village in the Canterbury region of New Zealand. The plant provides secondary treatment for a population of 81 residents, reflecting its role in a remote, high-country setting. With a discharge volume of 22.04 units, the plant operates under New Zealand's national wastewater standards, which require appropriate treatment for small communities to protect sensitive alpine environments. Secondary treatment is typical for settlements of this scale, ensuring adequate reduction of organic matter and suspended solids. The plant's treated effluent is discharged into the local environment, which drains into the Waitaki River catchment and ultimately to the Pacific Ocean. The alpine setting supports unique ecosystems, and the plant's operation is critical for maintaining water quality in this ecologically sensitive region.

Environmental context

The plant is situated in the Lake Ohau area, part of the Waitaki River catchment in the South Island of New Zealand. Treated wastewater from the plant eventually flows into the Waitaki River, which drains into the Pacific Ocean. The alpine environment supports diverse aquatic life and is a key habitat for native species, making careful wastewater management essential for preserving downstream water quality.

Frequently asked questions

The plant is located at 1807 Lake Ohau Road, Lake Ohau Alpine Village, in the Waitaki District, Canterbury, New Zealand.

The plant provides secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids before discharge.

Treated wastewater is discharged into the local environment, which drains into the Waitaki River catchment and eventually reaches the Pacific Ocean.

The plant operates under New Zealand's national wastewater standards, which set requirements for treatment and discharge to protect water quality, particularly in sensitive alpine environments.

For small communities of this size, secondary treatment is typical, often using septic tanks or small-scale package plants, to meet environmental standards for remote areas.