The Waiau River above the Waiau bridge is located on a tributary as it flows into the Waiau River near the Waiau township, on the south bank.
This site is no longer monitored for recreational water quality. We now monitor in the main stem Waiau River (Waiau River at Waiau site).
This site is located where a spring-fed tributary with pooled areas converges with the Waiau River on the southern bank