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Story: Water quality

All images and media

From page 1 - Water quality in New Zealand

Salmon fishing

Salmon fishing (1st of 2)

White-water rafting

White-water rafting (2nd of 2)

Clyde Dam spillway

Clyde Dam spillway (1st of 2)

Field irrigation

Field irrigation (2nd of 2)

Clean drinking water

Clean drinking water

Waipā and Waikato rivers meet

Waipā and Waikato rivers meet

From page 2 - Water pollution

Sources of water

Sources of water

Blue-green algae in Lake Waihola, Otago

Blue-green algae in Lake Waihola, Otago

Lake Taupō

Shaded waterway

Shaded waterway

From page 3 - Problem plants and microbes

Campylobacter

Wainuiomata toilet

Wainuiomata toilet

A handful of didymo

A handful of didymo

Lagarosiphon

Lagarosiphon (1st of 3)

Egeria

Egeria (2nd of 3)

Canadian pondweed

Canadian pondweed (3rd of 3)

Hornwort

From page 4 - Lakes Rotorua and Taupō, and the Manawatū River

Wetland reduces nutrient loads

Wetland reduces nutrient loads

Lake Taupō catchment

Lake Taupō catchment

No fun for the fish

No fun for the fish

Toxic algae

From page 5 - Management of water quality

Measuring water quality

Measuring water quality (2nd of 1)

Using silver carp

Using silver carp

Regional council role in improving water quality

Regional council role in improving water quality

Cows in stream

Cows in stream (1st of 2)

Well-fenced stream

Well-fenced stream (2nd of 2)

How to cite this page:

Mike Scarsbrook and Kit Rutherford, 'All images and media', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/water-quality/media (accessed 31 March 2020)

Story by Mike Scarsbrook and Kit Rutherford, published 24 Nov 2008, updated 18 Jul 2016