House of Assembly Fifty-Fourth Parliament, First Session (54-1) 54 1 Parliament of South Australia House of Assembly published Estimates Replies Wastewater Management Wastewater Management In reply to Ms BEDFORD House of Assembly Florey Wastewater Management In reply to Ms BEDFORD (Florey) (30 July 2019). (Estimates Committee B) The Hon. D.J. SPEIRS House of Assembly Black Minister for Environment and Water Wastewater Management The Hon. D.J. SPEIRS (Black—Minister for Environment and Water): I have been advised: The following areas within the metropolitan area are not serviced by SA Water's sewer network and are serviced by Community Wastewater Management Systems (CWMS): Tea Tree Gully Council area, includes parts of the following suburbs: Vista Highbury Hope Valley St Agnes Yatala Vale Fairview Park Surrey Downs Ridgehaven Redwood Park Banksia Park Tea Tree Gully City of Onkaparinga Council area, includes part or all of the following suburbs: Sellicks Beach Silver Sands Port Willunga Willunga Maslins Beach Clarendon Morphett Vale City of Port Adelaide Enfield: New Haven Village, Osborne These CWMS schemes are not owned by the state government or SA Water, and are owned and operated by local government to provide wastewater services to residents.