Smothering of aquatic plants and stream bed gravels resulting in reduced aquatic life

Blocked channels, causing increased flood risk

Reduced in-stream light levels

Loss of good top soil

Damage to the site resulting in possible damage to structures and site facilities

Implications for downstream users including those using water for irrigation, stock and domestic water supplies, as well as the filling of dams with silt

Reductions in aesthetic and recreational values

Damage to property and public utilities from sediment settling out on property or in pipes

Effects on matters of significance to Tangata Whenua, including: water quality and the mauri of waters, for example fishery values, customary rights, kaitiaki initiatives and responsibilities

Safety problems when soil, litter and debris are washed around the site and surrounding areas.