Mill Bay is located on the Manukau Harbour’s northern coastline, at the eastern end of Cornwallis Beach. The site is situated approximately 300 meters from shore, with a surrounding catchment comprising primarily of native vegetation. To date, Mill Bay has been sampled three times in 2010, 2015 and 2021.
This mostly sandy site has patches of seagrass interspersed throughout, and currently has relatively low levels of metal contamination.
Monitored site results
This dashboard shows information on the data collected by the regional councils and unitary authorities for the Estuary health scientific indicators, click the tiles for more information: