Maps Visit Intramaps Visit the online community service to locate areas and provide detailed maps in the Geographical Information System (GIS) mapping environment named Intramaps. Access property information, footpath information, waste information, road information, parking information and more.
Stormwater Design Calculator Stormwater Design Calculator This calculator is designed to calculate how much on-site drainage storage is needed to meet the Town’s requirements for managing drainage in storm events. It takes into account 20 and 100-year Average Recurrence Interval (ARI) rainfall events. Note: The calculations provided within the spreadsheet are recommended based on normal rainfall conditions. Excessive stormwater conditions can cause overflow depending on the soil type, e.g. rock, clay, limestone etc. Disclaimer: This calculator is produced by the Town of Cottesloe in good faith and the Town accepts no responsibility for any ramifications or repercussions for providing this information. This calculator is correct as at April 2021.