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Drainage Manholes
Ground surface access hatch to inspect and maintain storm sewer pipes. View in COSMOS -
Drainage Devices
Devices are complex objects that do not fall under Manholes. These can be grated openings to collect surface runoff, including roadside catch basins and lawn drains. This layer... -
Drainage Pump Stations
Facilities that pump collected stormwater back into hydrologic system. -
Drainage Monitoring Stations
A device used for the measurement of rainfall, water quality, water depth and water flow. -
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 Erosion Protection Works
Locations where various capital works projects have taken place to prevent erosion of stream banks. This layers also indicates where erosion sites have been identified where... -
Drainage Dyke Infrastructure
This layer displays dyke assets along major watercourses within the city.
