Forest Irrigation
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Council sprays treated effluent from the wastewater treatment plant onto blocks in Whakarewarewa Forest. Blocks are sprayed for 2 - 3 hours each day.
All of the designated public roads, main biking and walking tracks have a 15-metre-wide buffer zone of trees on each side that prevent spray drift.
You can see the location of the spray blocks on noticeboards at the forest entrances, adjacent to the ponds on Katore Rd and outside Council’s visitor centre in Longmile Road.