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Watershed Conditions Statements

WCS - R02/2021 January 29, 2021 – Environment Canada is forecasting very cold weather beginning today and continuing into Sunday before returning to normal range on Monday. This includes night-time wind chill temperatures in the range of -20 to -30 degrees Celsius. In areas where there is a lack of ice cover along with turbulent flow, these cold temperatures can trigger the formation of frazil ice which can accumulate quickly on bridge abutments, piers and riverbanks resulting in increased water levels and flooding in low-lying areas. The small rivers and streams with open water, such as the Tay River, are…
WCS – R01/2021) January 13, 2021 – Environment Canada is forecasting mild temperatures for the remainder of this week, with daily temperatures above zero each day and some rain expected on Friday and Saturday. This follows a warmer than usual December and a mild January to date. As a result of a significant rain event on December 24 and 25, water levels are above normal for this time of year in the some of the lakes and rivers in the Rideau Lakes and Tay Valley sub-watersheds. Generally, water levels are at normal levels for the remainder of the watershed.  Although…
(WCS – R07/2020) December 24, 2020 — Environment Canada is forecasting between 30 and 50 mm of rain starting today and continuing overnight throughout the Rideau Valley watershed.  Although no significant flooding is anticipated, water levels and flows are expected to increase in all waterways in the Rideau Valley Watershed. Depending on how much rain falls, residents who are adjacent to the smaller creeks and streams are advised to keep a close watch on water levels and flows and should take the necessary precautions to protect their property, such as: Ensuring sump pump is clear, in good working condition and…
(WCS-LW - 52/2020) September 2, 2020 — Watershed conditions in the Rideau Valley Watershed have returned to “Normal’ under the Ontario Low Water Response Program. With significant precipitation during the last month, the amount of rainfall received throughout the watershed is at or above average values for this time of year. As a result of this precipitation, stream flows and water levels are now at or above average values for this time of year. Looking ahead, the seven-day weather forecasts suggests we’ll continue to receive more rain. Parks Canada continues to closely monitor the water levels throughout the Rideau Canal system inside…
(WCS-LW - 4/2020) August 5, 2020 — This statement is to advise that the low water status in the Rideau River watershed is being downgraded to “Minor” from “Moderate” severity under the Ontario Low Water Response Program because of recent precipitation. Significant rain over the last week pushed 30-day rainfall totals above what is normal for the time of year at most climate monitoring sites in the region. However, the average 90-day rainfall measured at climate stations in and around the watershed is below 80 per cent of normal for this time of year which represents “Minor” low water severity. Looking…
(WCS-LW - 3/2020) July 15, 2020 – This statement is to advise that the low water status in the Rideau River watershed continues to be at MODERATE severity under the Ontario Low Water Responses Program. Although varying amounts of rain fell across the watershed last weekend, the watershed has still received very little rainfall over the past three months. The average 90-day rainfall measured at climate stations in and around the watershed is below 60 per cent of normal for this time of year. In the past 30 days, average rainfall is below 45 per cent of normal. The recent hot weather…
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Address:
Rideau Valley Conservation Authority
3889 Rideau Valley Drive
Manotick, Ontario K4M 1A5

Phone:
613-692-3571, 1-800-267-3504

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