Water Quality

Large schools of kahawai are chasing krill in the Waimakariri River mouth in North Canterbury. The annual salmon run is about to start so it's a popular spot for local anglers. Fish and Game… Audio

Heavy downpours are more likely to worsen water quality and cause sickness on Auckland's beaches, rather than the prospect of El Nino weather and a swelling population. Audio

Bill Kerrison is helping save our native longfin eels or tuna. Each year he traps and transfers eels and other native fish species past a series of dams on the Rangitaiki River in the Bay of Plenty… Video, Audio, Gallery

Farmers near some of New Zealand's most polluted waterways could have their stock numbers capped. Audio

Over the last decade secondary school students have measured the chemical and microbiological health of Otago Harbour Audio

The Canterbury Medical Officer of Health says a proposed new limit on nitrate leaching from farms in the Selwyn District isn't strict enough and could jeopardise the region's drinking water. Audio

Three estuarine monitoring buoys have been installed in the Kaipara Harbour to identify sources of fine sediment pollution Audio

Research into extremely toxic cyanobacteria levels in a New Zealand lake could help clean up water supplies around the world Audio

The development of a cow urine sensor is leading to a better understanding of where nitrogen is deposited in paddocks Audio

Greater Wellington tests water quality at selected river and coastal sites during the summer months Audio

Greater Wellington tests water quality at selected river and coastal sites during the summer months Audio

Greater Wellington tests water quality at selected river and coastal sites during the summer months Audio