Mata Kopae / St. Anne’s Lagoon

Matae Kopae (St Anne’s Lagoon) covers 16 hectares in size and measures 1.2 m at its deepest point. The lagoon lies slightly north of the town of Cheviot, in a low-productivity grassland setting.

Lake Rotorua (Canterbury)

Lake Rotorua is a small lowland lake, close to the township of Kaikoura. The lake has high nutrient concentrations and algal biomass volumes and as a result, often encounters cyanobacterial blooms. The lake covers an area of 43.2 hectares, with a maximum depth of 3 m (source