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April 23, 2019 — The Rideau Valley Conservation Authority (RVCA), in conjunction with Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation Authority (SNC) is maintaining our FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. Significant rainfall has fallen over the Ottawa River basin since Thursday, April 18, 2019. Warmer than forecasted temperatures were received Sunday and Monday. Additional rainfall of 15 to 50 mm is anticipated today and tomorrow in northern and central areas of the Ottawa River basin. Saturated soils, warm temperatures and precipitation received continues to increase snowmelt in the Ottawa…
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Watershed Conditions Statements
April 23, 2019 – Rainfall amounts close to 50 mm fell over much of the Rideau Valley Watershed between last Thursday through Saturday. This rain resulted in increased water levels and flows across the watershed over the Easter weekend. Conditions have now stabilized and water levels and flows are declining in all areas. The current forecast is calling for 10 to 20 mm of rain starting this evening and into Wednesday. The forecasted rain is not expected to significantly increase water levels or flows. At this time, a FLOOD WATCH is being issued for properties around Bob’s Lake and Christie…
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Watershed Conditions Statements
April 23, 2019 – Rainfall amounts close to 50 mm fell over much of the Rideau Valley Watershed between last Thursday through Saturday. This rain resulted in increased water levels and flows across the watershed over the Easter weekend. Conditions have now stabilized and water levels and flows are declining in all areas. The current forecast is calling for 10 to 20 mm of rain starting this evening and into Wednesday. The forecasted rain is not expected to significantly increase water levels or flows. At this time, a FLOOD WATCH is being issued for properties around Bob’s Lake and Christie…
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Media Release
APRIL 21, 2019 OTTAWA RIVER FROM ARNPRIOR TO L'ORIGINAL — The Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining our FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The latest model run for the Ottawa River indicates that some areas of the Ottawa River are expected to peak today while others will be closer to the end of the week. There is additional rain expected over the northern portion of the watershed that could impact levels and flows later in the…
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Watershed Conditions Statements
APRIL 21, 2019, The Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining our FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The latest model run for the Ottawa River indicates that some areas of the Ottawa River are expected to peak today while others will be closer to the end of the week. There is additional rain expected over the northern portion of the watershed that could impact levels and flows later in the week. All flood-prone areas along the Ottawa…
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Media Release
April 19, 2019
Flood Warning -- Ottawa River - Arnprior to L'Original
APRIL 19, 2019 OTTAWA RIVER FROM ARNPRIOR TO L'ORIGINAL — The Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation Authorities (SNC) is issuing a FLOOD WARNING for the areas under our jurisdiction along the Ottawa River. Significant rainfall (20 to 40 mm) has fallen over the Ottawa River basin since Thursday and an additional 20 to 35 mm of rain is expected by Saturday evening. The current snowpack throughout much of the Ottawa River basin remains at twice its normal depth for this time of the year. Soils are saturated and warm…
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Media Release
April 19, 2019
Flood Warning -- Ottawa River - Arnprior to L'Original
APRIL 19, 2019 OTTAWA RIVER FROM ARNPRIOR TO L'ORIGINAL — The Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation Authorities (SNC) is issuing a FLOOD WARNING for the areas under our jurisdiction along the Ottawa River. Significant rainfall (20 to 40 mm) has fallen over the Ottawa River basin since Thursday and an additional 20 to 35 mm of rain is expected by Saturday evening. The current snowpack throughout much of the Ottawa River basin remains at twice its normal depth for this time of the year. Soils are saturated and warm…
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Watershed Conditions Statements
APRIL 18, 2019 OTTAWA RIVER FROM ARNPRIOR TO HAWKESBURY — Rideau Valley Conservation Authority (RVCA) in conjunction with the Mississippi Valley (MVCA) and South Nation Conservation Authorities (SNC) is issuing an update FLOOD WATCH for the areas under our jurisdiction along the Ottawa River. The Ottawa River Regulating Committee warns that levels and flows on the Ottawa River from Lac Coulonge down to the Montreal region are expected to rise extremely rapidly starting this Friday due to forecast rainfall and snowmelt runoff. Major flood levels are expected to be exceeded over the weekend. Later on, flows and levels similar…
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Watershed Conditions Statements
APRIL 18, 2019 OTTAWA RIVER FROM ARNPRIOR TO HAWKESBURY — Rideau Valley Conservation Authority (RVCA) in conjunction with the Mississippi Valley (MVCA) and South Nation Conservation Authorities (SNC) is issuing an update FLOOD WATCH for the areas under our jurisdiction along the Ottawa River. The Ottawa River Regulating Committee warns that levels and flows on the Ottawa River from Lac Coulonge down to the Montreal region are expected to rise extremely rapidly starting this Friday due to forecast rainfall and snowmelt runoff. Major flood levels are expected to be exceeded over the weekend. Later on, flows and levels similar…
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Media Release
April 17, 2019
Significant Rain in Forecast Will Again Cause Water Levels to Increase Across the Rideau Valley Watershed
The current forecast is calling for rainfall amounts of 50 to 65 mm, with possibly more, from Thursday to Saturday across the Rideau Valley Watershed which will cause water levels and flows to increase above current conditions throughout the watershed. Flood conditions are expected start on Friday or Saturday in many areas depending on where the rainfall occurs and total amounts received. Some specific areas of concern are highlighted below. A FLOOD WARNING is being issued for the following areas: Properties around Bob’s Lake, Christie Lake and Tay River in the upper Rideau Valley Watershed. In these areas, the water…
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Media Release
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April 17, 2019
Significant Rain in Forecast Will Again Cause Water Levels to Increase Across the Rideau Valley Watershed
The current forecast is calling for rainfall amounts of 50 to 65 mm, with possibly more, from Thursday to Saturday across the Rideau Valley Watershed which will cause water levels and flows to increase above current conditions throughout the watershed. Flood conditions are expected start on Friday or Saturday in many areas depending on where the rainfall occurs and total amounts received. Some specific areas of concern are highlighted below. A FLOOD WARNING is being issued for the following areas: Properties around Bob’s Lake, Christie Lake and Tay River in the upper Rideau Valley Watershed. In these areas, the water…
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Watershed Conditions Statements
April 17, 2019
Flood Watch - Ottawa River – Arnprior To Hawkesbury
APRIL 17, 2019: OTTAWA RIVER FROM ARNPRIOR TO HAWKESBURY — Rideau Valley Conservation Authority (RVCA) in conjunction with the Mississippi Valley Conservation Authority (MVCA), South Nation Conservation Authorities (SNC) and Ministry of Natural Resources & Forestry (MNRF) Kemptville District, cautions residents along the Ottawa River that water levels are expected to increase significantly over the weekend and into next week. Levels are not expected to reach those observed at the height of the flood in 2017 at this time. The Ottawa River Regulation Planning Board has stated, “With significant rainfall forecasted later this week, levels will exceed minor flood levels…
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Media Release
April 17, 2019
Flood Watch - Ottawa River – Arnprior To Hawkesbury
APRIL 17, 2019: OTTAWA RIVER FROM ARNPRIOR TO HAWKESBURY — Rideau Valley Conservation Authority (RVCA) in conjunction with the Mississippi Valley Conservation Authority (MVCA), South Nation Conservation Authorities (SNC) and Ministry of Natural Resources & Forestry (MNRF) Kemptville District, cautions residents along the Ottawa River that water levels are expected to increase significantly over the weekend and into next week. Levels are not expected to reach those observed at the height of the flood in 2017 at this time. The Ottawa River Regulation Planning Board has stated, “With significant rainfall forecasted later this week, levels will exceed minor flood levels…
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Watershed Conditions Statements
MISSISSIPPI AND RIDEAU WATERSHEDS, April 15, 2019 — On March 11, 2019 the Ministry of Environment, Conservation and Parks (MECP) approved an amendment to the Mississippi-Rideau Source Protection Plan and the Rideau Valley Assessment Report. The approved amendment took effect on March 25, 2019. This amendment reflects a new municipal well system, comprised of two wells, in the community of Richmond and will be owned and operated by the City of Ottawa. This new well system will serve approximately 5,800 people residing in the Western Development Lands. The new well system also affects two existing Wellhead Protection Areas in the Source Protection Plan and…
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Media Release
