Henderson Upper is located in the mid to upper reaches of Te Wai-o-Pareira / Henderson Creek. This muddy site has been monitored since 1998 and has consistently recorded elevated levels of heavy metals. The surrounding catchment is urban, with residential and industrial land use. Expanding mangrove cover at this site may make future monitoring difficult.
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: