Monitored sites in the Lower Clutha Rohe catchment
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Lower Clutha Rohe
The Lower Clutha Rohe covers over 4,000 km2. It includes the Pomahaka catchment and several other river catchments that feed the Clutha River/Mata-Au including the Waitahuna, Waiwera and Tuapeka catchments, and smaller tributaries.
The rohe also includes Lake Tuakitoto, a small shallow lake with an adjoining wetland of a type now rare in Otago.
Water quality is generally degraded with high bacteria, high nutrient concentrations and poor water clarity.
High-intensity agriculture is the main land use, and drainage via tile and mole drains has been a significant source of water contamination.
Otago Regional Council
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