Wastewater plant a winner
into the sea at Rukutane Point, near Titahi Bay, about 15 times a year.
During the upgrade a third clarifier was installed at the site, which enabled it to handle 1350 litres of wastewater per second, nearly double its previous capacity.
Sewage, or wastewater, contains some human excrement, but is heavily diluted by water from toilets, showers and other dirty water.
About seven skips of sludge are removed from the wastewater and trucked to Spicer Valley landfill every weekday.
The wastewater treatment facility today.
Earthworks begin in 1987 on the $25 million wastewater treatment facility in Titahi Bay.