In the event of a flood, how long would it be before the water recedes?

In general, the exact time frame and level of high water is entirely dependent on weather patterns. A rapid heating pattern would result in higher water levels over a shorter duration, and a cooler pattern in lower water levels over a longer duration. The forecasts of the BC River Forecast Centre and observed conditions in the community are used by the City of Maple Ridge to determine when an Evacuation Alert or Evacuation Order are ended.

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1. What should people do to minimize damage to their homes if they are going to be away during the freshet?
2. How can I know if I am at risk?
3. What should people do if they are given an Evacuation Alert?
4. What should people do if they are given an Evacuation Order?
5. How will we know if we are being evacuated?
6. How much notice will a person have that their area is going to flood?
7. In the event of a flood, how long would it be before the water recedes?
8. What will happen to the sewer systems if there is a flood?
9. Would our water supply be affected in any way?