Watershed Conditions Statements
(WCS - 09/2023)April 25, 2023 – The Rideau Valley Conservation Authority is terminating the FLOOD WARNING that was previously in effect and issuing a FLOOD WATCH for properties around Bobs Lake and Christie Lake. The water levels on Bobs and Christie Lakes continue to decline but these lakes are near capacity and water levels may still increase with any significant rain. The current forecast indicates between 25 mm and 45 mm of rain could fall between Saturday and next Tuesday. Parks Canada staff are closely monitoring the water levels in these lakes, and operations at the Bolingbroke Dam will take place as required to balance the…
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Watershed Conditions Statements
April 20, 2023
UPDATE #1: Flood Warning — Lower Ottawa River | Mise à jour no 1 : Avertissement de crue – Cours inférieur de la rivière des Outaouais
Water Conditions Statement: Flood Warning — Lower Ottawa River April 20, 2023 — This FLOOD WARNING statement is an update to the Flood Warning issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 17th, 2023. Water levels are expected to continue rising within the Ottawa River Basin due to snowmelt, combined with forecasted rainfall starting Friday and continuing over the weekend. Most of the water currently entering the Ottawa River is originating in areas where there are no reservoirs or retention capacity. The Ottawa River Regulating Committee is managing principal reservoirs to reduce river flows to downstream…
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Watershed Conditions Statements
April 18, 2023
Flood Warning – Update #3: Water Levels Continue to Decline Across the Rideau Valley Except in Upper Watershed Lakes
(WCS - 08/2023)April 18, 2023 – The previous Flood Warning and Flood Watch messages issued on April 6th, 8th and 11th 2023 are being updated to reflect current conditions. Unlike the Ottawa River Watershed which is currently experiencing high water conditions, the water levels and flows in the Rideau Valley Watershed are declining and approaching seasonal levels in all waterways except for Bobs Lake and Christie Lake. These lakes are near capacity and although the water level increases are now almost stabilized, the water levels may still increase with any significant rain. The current forecast indicates between 25 mm and 35 mm of…
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Watershed Conditions Statements
April 17, 2023
Flood Warning — Lower Ottawa River | Avertissement de crue – Cours inférieur de la rivière des Outaouais
Water Conditions Statement: Flood Warning — Lower Ottawa River April 17, 2023 —This FLOOD WARNING statement is an update to the Flood Watch issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 14th, 2023. Water levels are expected to continue rising within the Ottawa River Basin due to increased snowmelt associated with above normal snowpack and high temperatures over the weekend. Most of the water currently entering the Ottawa River is originating in areas where there are no reservoirs or retention capacity. The Ottawa River Regulating Committee is managing principal reservoirs to reduce river flows to…
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Watershed Conditions Statements
April 14, 2023
Flood Watch — Lower Ottawa River | Veille de crue – Cours inférieur de la rivière des Outaouais
Water Conditions Statement: Flood Watch — Lower Ottawa River April 14, 2023 — This FLOOD WATCH statement is an update to the Flood Outlook Statement issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 7th, 2023. Due to signifiant snow melt and forecasted rainfall anticipated on Sunday and Monday, water levels are expected to continue rising within the Ottawa River Basin. Most of the water currently entering the Ottawa River is located in areas where there are no reservoirs or retention capacity. The current strategy by the Ottawa River Regulating Committee is to reduce the amount of…
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Watershed Conditions Statements
April 11, 2023
Flood Warning & Flood Watch – Update #2: Water Levels Now Declining Across the Watershed Except in Some Upper Watershed Lakes
(WCS - 07/2023) April 11, 2023 – The previous Flood Warning and Flood Watch messages issued on April 6th and 8th, 2023 are being updated to reflect current conditions. Rainfall amounts between 40 and 70 mm fell across the Rideau Valley Watershed on April 5, 2023, resulting in increased water levels and flows across the watershed which caused flood conditions in many low-lying areas adjacent to several rivers, lakes, creeks and ditches. Since that time, water levels have peaked and are receding in most areas, except those areas discussed below. The short-term weather forecast indicates no precipitation for the next four…
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Watershed Conditions Statements
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