river water pollution in nz
what is causing river pollution?
Water pollution comes from two main sources
- Point sources: single outlets, such as a sewage pipe or a drain outlet, leading in to our rivers.
- Non-point sources: more diffuse seepage, for instance from underground sources or from small streams flowing into rivers.
what is river pollution?
River pollution is the pollution of a river. This form of environmental degradation occurs when contaminants are directly or indirectly discharged into a river without passable treatment to remove harmful compounds.