| Event Category | Disaster |
| Event Group | Natural |
| Event Subgroup | Meteorological - Hydrological |
| Event Type | Flood |
| Place | Southern Ontario |
| Event Start Date | March 10, 1936 |
| Event End Date | March 12, 1936 |
| Comments | Southern Ontario, March 10-12, 1936. Widespread flooding caused damages and flooded roads and railways; flooding forced several businesses to close; several dams were also damaged. |
| Fatalities | 0 |
| Injured / Infected | 0 |
| Evacuated | 0 |
| Estimated Total Cost | Unknown |
| Federal DFAA Payments | Unknown |
| Provincial DFAA Payments | Unknown |
| Provincial Department Payments | Unknown |
| Municipal Costs | Unknown |
| OGD Costs | Unknown |
| Insurance Payments | Unknown |
| NGO Payments | Unknown |
| Utility - People Affected | 0 |
| Magnitude | 0.0 |