The drinking water supply to the Windy Harbour settlement is managed by the Shire of Manjimup. The settlement consists of 240 leases, with room to expand this number to 400. The Windy Harbour nature based Caravan Park with a maximum capacity of 140 patrons is ensconced in the settlement and water supply to the communal kitchen and toilet amenities servicing the Caravan Park is drawn from the settlement reticulated water supply.
The Water Quality analysis undertaken is categorized into three main performance areas being Microbiological, Chemical health and Chemical Aesthetic. The results are assessed for compliance pursuant to the requirements of the (ADWG) Australian Drinking Water Guidelines.