Hold wanted effluent
■ ' . .. Combined Estuary, WMOClatipn has asked the ? Christchurch ; Drainage : Board to withhold effluent from its sewege oxidation ponds during summer week-end yacht races. Board members yesterday said they were willing to give the idea a trial, but wanted comments. from South New Brighton and Sputhshore residents be/ fore making a* decision. ' Altering the normal discharge system — designed... to take treated effluent out to sea as quickly as possible could mean more ' effluent near the Pleasant Point foreshore, and some travelling ' upstream in "the Avon andHeathcote rivers. . - The effluent was of . a high standard,' but algae in It coloured the water ' green, r South? New Brighton residents 'recently told the board .they /. were . concerned about the quality of effluent from the ponds, , A staff report said a different discharge method could also “marginally increase” the time that effluent remained in; the Estuary. Engineers said the effluent quality was even higher during the summer, since warmer temperatures and more sunlight on the ponds ,meant that more bacteria, died. ■ f
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Press, 21 February 1980, Page 4
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169Hold wanted effluent Press, 21 February 1980, Page 4
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