Obtain real-time and historic TRCA stream and precipitation gauge time series data. Stream gauge data is measured in 15-minute intervals with water levels (stage) presented in...

Historic storm event data from TRCA monitoring networks for hydrology modelling calibration and validation activities. All timestamps are in Eastern Standard Time. Rainfall is...

Get any currently active TRCA Flood Messages. Includes both Riverine Flooding and Lake Ontario Shoreline flood messages. For more information see...