Microbiological water quality grades are reported as long term Microbiological Assessment Category (MAC) grades in accordance with The Ministry for the Environment & Ministry of Health 2003 Microbiological water quality guidelines for marine and freshwater recreational areas.
Toxic algae are assessed in accordance with New Zealand guidelines for cyanobacteria in recreational freshwaters: Interim guidelines (2009).
Is it safe to swim- Recreational water quality in the Wellington Region
Water quality and monitoring FAQs
Is it safe to swim? Recreational water quality technical report for 2017/18
LAWA summary of the microbiological water quality guidelines