If you live in an area that does not have a reticulated sewer system, you will need to have an onsite wastewater management system (OWMS) on your property. Onsite wastewater management systems
https://www.ecan.govt.nz/your-region/your-environment/water/wastewater/onsite-wastewater-management-systems-owmsChristchurch City Council (CCC) has applied for various resource consents to establish and operate a wastewater treatment scheme and associated discharges to land as part of the Akaroa Treated
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/christchurch-city-council-akaroa-wastewater-treatment-schemeUpdated: 17 March 2026 We know many areas across Ōtautahi Christchurch are currently being affected by unpleasant smells coming from the Christchurch Wastewater Treatment Plant in Bromley
https://www.ecan.govt.nz/get-involved/news-and-events/2026/whats-the-story-christchurch-wastewater-treatment-plant-odourThe hearing panel granted the consent application to store and discharge treated wastewater from the Duvauchelle Wastewater Treatment Plant into coastal waters subject to conditions.
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/notified-decisions/2011/christchurch-city-council-duvauchelle-wastewater-treatment-plantFinal update 18 February 2026 Environment Canterbury is investigating a wastewater discharge into Te Waipapa Diamond Harbour from a damaged Christchurch City Council (CCC) sewerage pipe on Saturday 7
https://www.ecan.govt.nz/get-involved/news-and-events/2026/environment-canterbury-on-site-at-wastewater-discharge-into-diamond-harbour-te-waipapaThe hearing panel, which consisted of Commissioners Ken Gimblett and Greg Ryder, granted consent applications associated with the Proposed Pines Wastewater Treatment Plant in Rolleston.
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/notified-decisions/2010/selwyn-district-council-proposed-pines-wastewater-treatment-plant-rollestonThe decision was to grant, with conditions, a discharge permit to discharge treated wastewater; and a land use for a community wastewater treatment system – the Waikari Wastewater treatment plant
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/notified-decisions/2017/hurunui-district-council-2The decision was to grant, with conditions, for the discharge of treated wastewater to surface water from the Hanmer Springs wastewater treatment plant into the Chatterton River.
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/notified-decisions/2017/hurunui-district-councilThe decision was to grant with conditions consent to discharge treated wastewater from the Hanmer Springs wastewater treatment plant into the Chatterton River, at 211 Hanmer Springs Road, Hanmer
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/notified-decisions/2018/hurunui-district-council-2The decision on the application to discharge onsite wastewater to land from a four lot subdivision at 48 Murdochs Road, Asbhurton, has been released. The decision is to refuse the application.
https://www.ecan.govt.nz/do-it-online/resource-consents/notifications-and-submissions/notified-decisions/2022/kingan-property-investments-ltd