Story: Water quality All images & media From page 1 – Water quality in New Zealand Salmon fishing (1st of 2) White-water rafting (2nd of 2) Clyde Dam spillway (1st of 2) Field irrigation (2nd of 2) Clean drinking water Waipā and Waikato rivers meet From page 2 – Water pollution Sources of water Blue-green algae in Lake Waihola, Otago Lake Taupō Shaded waterway From page 3 – Problem plants and microbes Campylobacter Wainuiomata toilet A handful of didymo Lagarosiphon (1st of 3) Egeria (2nd of 3) Canadian pondweed (3rd of 3) Hornwort From page 4 – Lakes Rotorua and Taupō, and the Manawatū River Wetland reduces nutrient loads Lake Taupō catchment No fun for the fish Toxic algae From page 5 – Management of water quality Measuring water quality Using silver carp Regional council role in improving water quality Cows in stream (1st of 2) Well-fenced stream (2nd of 2)