The Press West Coast | Power company fined for Waikato oil leak 3News NZ A power company that leaked hundreds of litres of oil into a Waikato stream has been fined more than $31,000. In February, Te Kuiti residents reported the Mangaokewa Stream was rainbow coloured and smelt of oil. Waikato Regional Council staff traced ... Waikato power company convicted and fined for discharging oil into stream |