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Drainage Manholes
Ground surface access hatch to inspect and maintain storm sewer pipes. View in COSMOS -
Drainage Detention Ponds
A man-made pond providing storage of stormwater drainage in order to control the rate of outflow or discharge. The pond can be "wet" where a minimum depth of water is maintained... -
Drainage Catch Basins
Catch Basins are complex objects that do not fall under Manholes. View in COSMOS -
Drainage Dyke Infrastructure
This layer displays dyke assets along major watercourses within the city.
