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Displaying items by tag: water levels

January 10, 2020 – Environment Canada is forecasting significant precipitation in the form of rain or drizzle, freezing rain, ice pellets and snow starting Friday and continuing into Sunday with the greatest precipitation amounts on Saturday. There remains a considerable amount of uncertainty on exact precipitation amounts and what form it will take, however, rainfall amounts of between 50 and 75 mm are possible 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 has a backwater valve
  • Ensuring easy access to a portable backup generator and pump

With the expected increase in water levels and flows in the coming days, ice cover on lakes, ditches, local streams and rivers will be unstable. Extreme caution should be exercised by everyone when near local waterbodies. Parents should inform their children of the risks and provide appropriate supervision.

This watershed conditions statement is in effect until Tuesday January 14, 2020 at 5 PM or until an update has been issued.


"Rideau Valley Conservation Authority is a partnership of municipalities within the Rideau Valley watershed created under the Conservation Authorities Act to deliver a range of programs in watershed management and natural resource conservation."

RVCA Watershed Conditions Statements:

  • Water Safety – High flows, unstable banks, melting ice or other factors that could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.
  • Flood Outlook – Early notice of the potential for flooding based on weather forecasts, calling for heavy rain, snow melt, high winds or other conditions that could lead to high runoff, cause ice jams and/or lakeshore flooding or erosion.
  • Flood Watch – Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individuals in flood prone areas should prepare.
  • Flood Warning – Flooding is imminent or already occurring in specific watercourses or municipalities.

January 14, 2020 – With high water levels and fast flows all across the Rideau Valley Watershed, the ice cover (where present) on lakes, ditches, local streams and rivers will be unstable. Extreme caution should be exercised by everyone when near local waterbodies. Parents should inform their children of the risks and provide appropriate supervision.

On average, 50mm of rain fell across the Rideau Valley Watershed last Saturday before the temperature dropped to below freezing, resulting in significantly elevated water levels and flows in all waterways. The smaller creeks and waterways were impacted the most with ‘bankfull’ conditions observed in some areas, although the water levels are now stable or receding.

Although the flow in the Rideau River, our largest river, peaked at four times its average flow for this time of year at the Carleton University gauge, the flow increase did not result in any observed ‘bankfull’ conditions along the river. With the exception of tomorrow, the weather forecast is indicating below zero temperatures for the next several days so water levels and flows are expected to decline.

Please note that the RVCA does not monitor ice conditions. The RVCA’s Flood Forecasting and Warning team will continue monitoring weather, snowpack, water level and flow conditions and issue updates as required.

This watershed conditions statement is in effect until Monday January 20, 2020 at 5 PM or until an update has been issued.


"Rideau Valley Conservation Authority is a partnership of municipalities within the Rideau Valley watershed created under the Conservation Authorities Act to deliver a range of programs in watershed management and natural resource conservation."

 

RVCA Watershed Conditions Statements:

  • Water Safety – High flows, unstable banks, melting ice or other factors that could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.
  • Flood Outlook – Early notice of the potential for flooding based on weather forecasts, calling for heavy rain, snow melt, high winds or other conditions that could lead to high runoff, cause ice jams and/or lakeshore flooding or erosion.
  • Flood Watch – Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individuals in flood prone areas should prepare.
  • Flood Warning – Flooding is imminent or already occurring in specific watercourses or municipalities.

March 9, 2020 (WCS – R03/2020) — The winter of 2019-20 has been warmer than average with near-average snowfall amounts. On January 11, about 50 mm of rain fell across the Rideau Valley Watershed, resulting in temporarily elevated water levels and flows in all waterways, and a noticeable ice layer within the snowpack. Current conditions at several RVCA and Parks Canada snow course sites are indicating above average water content amounts in the snow for this time of year.

The current short-term forecast indicates daytime high temperatures above zero and below zero conditions at night with precipitation expected tomorrow (up to 15 mm) and Friday (up to 20 mm). This forecast is favourable for ongoing snow melting. If the temperatures and precipitation come as forecast, much of the snow is expected to melt which will make water levels and flows rise over the coming weeks. This gradual process would result in average flooding this spring across the Rideau Valley watershed with inundation limited to low lying areas along all waterways. However, any significant rain events greater than 25 mm and/or significant temperature increases could influence actual flood conditions as we move through March and into April.

Water levels on lakes and flows in the streams are presently about normal for this time of year. Parks Canada staff who manage the water levels for the Rideau Canal have indicated that the levels will be maintained or lowered in the coming weeks to allow for water storage in the upper watershed lakes as the snowpack continues to melt.

City of Ottawa crews have begun the annual ice removal program on the Rideau River between Rideau Falls and Bronson Avenue. Crews will work to keep the ice from reforming until the spring freshet occurs (for more information: City of Ottawa information at 311). 

With the changing levels that can be expected over the coming weeks, ice cover on lakes, ditches, local streams, and rivers will continue to be unstable. Extreme caution should be exercised by everyone when near local waterbodies. Parents should inform their children of the risks and provide appropriate supervision. 

Residents in flood-prone or low-lying areas, historically susceptible to flooding, should take the necessary precautions to protect their property, such as:

  • Ensuring sump pump is clear, in good working condition and has a backwater valve 
  • Ensuring easy access to a portable backup generator and pump
  • Ensuring downspouts are clear and the outlet is at least 3 metres from the dwelling 
  • Securing items that might float away as flows increase 
  • Removing valuable items from basements or lower floors that could be subject to flooding
  • Keeping emergency phone numbers handy
  • Familiarizing yourself with your municipality’s Emergency Preparedness Plan

This watershed conditions statement is in effect until March 31, 2020, at 5 p.m. and will be updated at that time unless the forecast or conditions change.


"Rideau Valley Conservation Authority is a partnership of municipalities within the Rideau Valley watershed created under the Conservation Authorities Act to deliver a range of programs in watershed management and natural resource conservation."

 RVCA Watershed Conditions Statements:

  • Water Safety – High flows, unstable banks, melting ice or other factors that could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.
  • Flood Outlook – Early notice of the potential for flooding based on weather forecasts, calling for heavy rain, snow melt, high winds or other conditions that could lead to high runoff, cause ice jams and/or lakeshore flooding or erosion.
  • Flood Watch – Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individuals in flood prone areas should prepare.
  • Flood Warning – Flooding is imminent or already occurring in specific watercourses or municipalities.

(WCS – NG01/2020)

March 10, 2020 – The mild weather yesterday and today has melted a significant amount of snow in the Rideau Valley Watershed.  This snow melt together with some rainfall is causing the water levels to rise quickly in Stevens Creek and Taylor Drain. Based on new water level gauges installed in the spring of 2019, it appears that the water may breach the banks and cause localized flooding within the low-lying areas along Stevens Creek and Taylor Drain in the Village of North Gower. The timing of the potential breach will depend on the temperatures and rainfall amounts over the coming days. The short-term forecast is indicating mostly daytime temperatures above zero with overnight temperatures below zero, as well as up between 10 to 15 mm of rain on Friday. If the forecast plays out, the fluctuating temperatures should slow down the rapid snow melt we are currently experiencing, although Friday’s rainfall and mild temperatures could cause more flooding.

With the changing levels that can be expected over the coming days, all waterways in the North Gower area will continue to be unstable. Extreme caution should be exercised by everyone when near local waterbodies. Parents should inform their children of the risks and provide appropriate supervision. 

Residents in flood-prone or low-lying areas, historically susceptible to flooding, should take the necessary precautions to protect their property, such as:

  • Ensuring sump pump is clear, in good working condition and has a backwater valve 
  • Ensuring easy access to a portable backup generator and pump
  • Ensuring downspouts are clear and the outlet is at least 3 metres from the dwelling 
  • Securing items that might float away as flows increase 
  • Removing valuable items from basements or lower floors that could be subject to flooding
  • Keeping emergency phone numbers handy
  • Familiarizing yourself with your municipality’s Emergency Preparedness Plan

This watershed conditions statement is in effect until March 31, 2020, at 5 p.m. and will be updated at that time unless the forecast or conditions change.


"Rideau Valley Conservation Authority is a partnership of municipalities within the Rideau Valley watershed created under the Conservation Authorities Act to deliver a range of programs in watershed management and natural resource conservation."

 RVCA Watershed Conditions Statements:

  • Water Safety – High flows, unstable banks, melting ice or other factors that could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.
  • Flood Outlook – Early notice of the potential for flooding based on weather forecasts, calling for heavy rain, snow melt, high winds or other conditions that could lead to high runoff, cause ice jams and/or lakeshore flooding or erosion.
  • Flood Watch – Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individuals in flood prone areas should prepare.
  • Flood Warning – Flooding is imminent or already occurring in specific watercourses or municipalities.

Updated Flood Outlook & Flood Watch: Rain in Forecast Will Cause Water Levels to Increase Again Across the Rideau Valley Watershed

(WCS – R05/2020) March 27, 2020 –The short-term forecast is calling for rainfall amounts of 35 millimetres or more on Sunday and into Monday with above zero temperatures. As such, water levels and flows across the Rideau Valley Watershed are expected to increase again.

A FLOOD WATCH is being issued for properties around Christie Lake and Wolfe Lake. In these areas, residents should expect freshet like water levels and flows. Parks Canada staff are closely monitoring the water levels in Bobs Lake and Christie Lake, and operations at the Bolingbroke Dam.

A FLOOD WATCH continues for the low-lying areas along Stevens Creek and Taylor Drain in the Village of North Gower; however, water levels are expected to be less than those that have already been seen this spring.

A FLOOD OUTLOOK is being maintained/issued for the following areas:

  • Properties around Bob’s Lake and Tay River in the upper Rideau Valley Watershed. In these areas, residents should expect spring like water levels and flows. Parks Canada staff are closely monitoring the water levels in Bobs Lake and Christie Lake, and operations at the Bolingbroke Dam will take place as required, to balance the levels in Bobs Lake and Christie Lake.
  • Properties around the Long Reach (Burritts Rapids to Kars) of the Rideau River.
  • Properties around the smaller creeks and streams in the lower Rideau Valley Watershed, including the low-lying roads and waterfront properties adjacent to the Jock River (near Richmond).
  • Any connected creeks or ditches.

Extreme caution should be exercised by everyone when near local waterbodies. Please note that riverbanks are very slippery at this time of year and it’s quite easy for a child or adult to inadvertently fall into the water. Parents should inform their children of the risks and provide appropriate supervision.

Residents in flood prone or low-lying areas, historically susceptible to flooding, should continue to take the necessary precautions to protect their property, such as:

  • Ensuring sump pump is clear, in good working condition and has a backwater valve
  • Ensuring easy access to a portable backup generator and pump
  • Ensuring downspouts are clear and the outlet is at least 3 metres from the dwelling
  • Securing items that might float away as flows increase
  • Removing valuable items from basements or lower floors that could be subject to flooding
  • Keeping emergency phone numbers handy
  • Familiarizing yourself with your municipality’s Emergency Preparedness Plan

This watershed conditions statement is in effect until April 9, 2020, at 5 p.m. and will be updated at that time unless the forecast or conditions change.


"Rideau Valley Conservation Authority is a partnership of municipalities within the Rideau Valley watershed created under the Conservation Authorities Act to deliver a range of programs in watershed management and natural resource conservation."

 RVCA Watershed Conditions Statements:

  • Water Safety – High flows, unstable banks, melting ice or other factors that could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.
  • Flood Outlook – Early notice of the potential for flooding based on weather forecasts, calling for heavy rain, snow melt, high winds or other conditions that could lead to high runoff, cause ice jams and/or lakeshore flooding or erosion.
  • Flood Watch – Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individuals in flood prone areas should prepare.
  • Flood Warning – Flooding is imminent or already occurring in specific watercourses or municipalities.
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Contact Us

Address:
Rideau Valley Conservation Authority
3889 Rideau Valley Drive
Manotick, Ontario K4M 1A5

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

Email:

Hours:

Regular Hours: Monday to Friday, 8:30 a.m. to 4:30 p.m.

Member of: conservation ontario