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Water pollution in the West Coast, New Zealand : ウィキペディア英語版 | Water pollution in the West Coast, New Zealand
Water pollution is an environmental issue on the West Coast of New Zealand. Water resources and water pollution come under the jurisdiction of the Resource Management Act and is controlled by the regional councils - for the West Coast it is the West Coast Regional Council. A 2008 State of the Environment report showed that: *acid mine drainage has significant effects on freshwater ecosystems *less than 5% of the water samples taken from contact recreation sites indicated unsafe swimming conditions. 17 sites are monitored along a length of 600 km〔http://www.wcrc.govt.nz/about_us/our_region/〕 of coastline that drains hundreds of rivers. For the upper 150 km, north of Westport, there is no monitoring〔http://www.wcrc.govt.nz/state_of_the_environment/water_quality/contact_recreation_risk.htm〕 *point source pollution has decreased and nonpoint source pollution has increased *Water deterioration occurs at the lower levels of a number of catchments *Water quality improvements were evident in a number of water quality indicators. ==Issues==
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