Manningham's Healthy Waterways Waterwatch Health Report

3. Sewer Backlog ProgramManningham Sewer Backlog Program—DonvaleThe majority of properties in Donvaleare currently unsewered, and arescheduled to be sewered under theBacklog Sewerage Program between2014—2016.The Donvale area is bound byGlenvale Road to the east, Mullumcreek and Smedley Road to the North,the East Link Tunnel to the south andOld Warrandyte Road to the west.The Donvale Sewer Backlog area islocated in the Mullum Mullum Creekcatchment. Waterwatch monitoringhas establish that the water quality ofMullum Mullum Creek in this areadeteriorates rapidly between Beckettand Tindals roads.This rapid deterioration in creek waterquality is caused by highly pollutedstormwater drain discharge atTandarook Crescent, Heads Road,Park Road and Conos Court.Stormwater discharges from thesedrains are observed to be of unusualcolour, odour and can have a foamy,soapy and/or oily consistency. Dryweather discharges, where the drainflows even if it has not rained for atleast 72 hours of rainfall, are alsoobserved.Water monitoring results indicate thathousehold wastewater is the likelysource of the stormwater pollutiondischarge.74Waterwatch 2013 Annual Report 2 15