Please find the link to the City of Cape Town’s page for the process here: http://www.capetown.gov.za/City-Connect/Apply/Municipal-services/Water-and-sanitation/apply-to-install-and-use-an-alternative-water-system?ca_source=Website&ca_medium=Website&ca_campaign=Page%20-%20Apply%20to%20install%20and%20use%20an%20alternative%20water%20system&ca_term=Water&ca_content=Water