Watershed Conditions Statements
Water Conditions Statement: Flood Warning — Lower Ottawa River May 2, 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 28th, 2023. Water levels are expected to rise again within the Ottawa River Basin due to significant rainfall received over the past few days. Runoff from this rain event will bring additional water volumes to the Ottawa River at a time when levels are already near major flood thresholds. Based on Ottawa River Regulating Committee forecasts, flood prone areas along the main stem…
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Watershed Conditions Statements
April 28, 2023
UPDATE #2: Flood Warning — Lower Ottawa River | Mise à jour no 2 : Avertissement de crue – Cours inférieur de la rivière des Outaouais
Water Conditions Statement: Flood Warning — Lower Ottawa River April 28, 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 20th, 2023. Water levels are expected to rise again within the Ottawa River Basin due to significant rainfall forecasted Saturday through Tuesday. Runoff from this rain event will bring additional water volumes to the Ottawa River at a time when levels are already near major flood thresholds. The Ottawa River Regulating Committee is managing principal reservoirs to reduce river flows to downstream areas. The…
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Watershed Conditions Statements
April 28, 2023
Flood Watch and Water Safety: Significant Rain Expected to Increase Water Levels Throughout the Rideau Valley
(WCS - 10/2023)April 28, 2023 – The Rideau Valley Conservation Authority is maintaining a FLOOD WATCH for properties around Bobs Lake and Christie Lake and issuing a WATER SAFETY for the entire Rideau Valley Watershed. Environment Canada is forecasting significant rainfall starting on Saturday April 29, and continuing through next Tuesday. This forecasted rainfall is expected to cause all water levels and flows to increase throughout the Rideau Valley Watershed. Except as noted below, most water levels and flows are currently at seasonal levels, so it is expected that this rain event will not cause any significant flooding, but it could cause localized flooding in small watercourses,…
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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
