Freshwater

What are the potential sources of chemical contaminants in wastewaters?

NIWA offers a range of standard toxicity tests for both freshwater and marine environments.

Water clarity or turbidity is the cloudiness or haziness in a fluid caused by individual small particles (suspended solids).

Chemical contaminants are chemicals toxic to plants and animals in waterways.

Wood chips and plant material make pulp that is used to produce paper products.

Dry stock farming consists predominantly of pasture grazing beef cattle, sheep, and deer for meat, wool, and velvet production.

A range of physical and chemical variables are measured in the NRWQN.

A range of different mining techniques have been developed to obtain these valuable resources

Some simple steps to minimise the effects of mining activities on water quality and mahinga kai.

What are the impacts of water dams on water quality and mahinga kai?

How may agricultural activities impact riparian vegetation around a waterway?

This collaborative NZaid project worked with coastal Fijian villagers at Votua on the Coral Coast of Viti Levu to develop pragmatic water supply and waste treatment solutions to protect public health and reduce contamination of coastal waters.