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Displaying items by tag: water levels

(WCS-LW - 4/2021) Sept. 8, 2021 —The Rideau Valley Water Response Team is maintaining a MINOR low water status for the Rideau River watershed after officials met to discuss conditions on Wed. Sept. 8. This low water status is a result of a warm and dry August. The August Weather Summary prepared by Environment and Climate Change Canada indicates that the average temperature at the Ottawa Airport was 2.4 °Celcius above normal and the monthly precipitation total was 57 percent of normal.

Watershed residents and businesses are encouraged to voluntarily reduce their water usage by 10 percent. This is especially important for those who have water-taking permits from surface or groundwater sources, as well as residents on private, communal, or municipal wells. There is less of a concern for residents of urban Ottawa because the City of Ottawa central drinking water system draws from the Ottawa River.

Because of minimal rainfall and warmer than average temperatures in August, the Rideau Valley Water Response Team decided to maintain a “Minor” low water severity. Stream flow values for the large waterways (i.e., Rideau River and Tay River) are at about 90 percent of their normal values for this time of year but stream flow values are well below normal for the smaller waterways (i.e., Jock River and Kemptville Creek). Field observations around the watershed indicate that ecological conditions are being impacted with increased fragmentation, extensive vegetation growth, low oxygen levels and algae growth in many streams. Looking ahead, the seven-day weather forecast suggests some but limited rain across the watershed. 

Following an early spring freshet this year, Parks Canada staff are closely monitoring the water levels throughout the Rideau Canal system inside the Rideau Valley watershed. The water level in Bobs Lake (reservoir lake) is currently below normal and slowly declining. The water level in Christie Lake (flow-through lake) is also below normal and declining. Rideau River flows downstream of Big Rideau Lake remain at minimum. Water levels in the Rideau River below Smiths Falls are within navigable ranges.

To better understand local conditions, landowners, businesses, and industries are encouraged to contact Brian Stratton by email () if they are experiencing any unusual water-related problems. 

Conservation Authority staff continue to monitor conditions and communicate with water managers throughout the watershed. Updates to this message will be issued as conditions warrant. 

More resources:

Ministry of Environment, Conservation and Parks: https://www.ontario.ca/page/ministry-environment-conservation-parks

Ontario’s Low Water Response program: https://www.ontario.ca/page/low-water-response-program

RVCA website: www.rvca.ca

Hourly and daily streamflows and water levels: https://www.rvca.ca/watershed-monitoring-reporting/reporting/streamflow-water-levels

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More Information:
Contact: Brian Stratton, RVCA Manager Engineering Services
Rideau Valley Conservation Authority

613-692-6804, 1-800-267-3504 ext. 1141

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.

 

(WCS – R05/2021)
September 22, 2021 – Environment Canada is forecasting rainfall amounts of 60 to 90 mm starting today through early Friday morning, with a few localities possibly exceeding 100 mm. The higher amounts are forecasted for the upper part of the Rideau Valley Watershed. This widespread rainfall event is due to a cold front and a moisture-laden low pressure system that will arrive from the American Midwest.

Because the Rideau Valley Watershed is currently in a ‘minor low water condition,’ all water levels and flows are currently below normal, so significant flooding is not expected. However, this large rain event will cause all water levels and flows to increase rapidly and could cause localized flooding in small watercourses, urban areas and ditches. 

The RVCA reminds the public to exercise extreme caution around all waterbodies and remind children about the dangers of playing near open water. Residents are reminded to make sure their sump pumps are in good working condition and to help reduce ponding by keeping ditches, culverts, and storm drains clear of obstructions.

This watershed conditions statement is in effect until Tuesday, September 28, 2021 at 5 PM or until an update has been issued.

 -end-


More Information:
Contact: Brian Stratton, RVCA Manager Engineering Services
Rideau Valley Conservation Authority

613-692-6804, 1-800-267-3504 ext. 1141

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-LW - 5/2021)
October 6, 2021 – Watershed conditions in the Rideau Valley Watershed have returned to “Normal’ under the Ontario Low Water Response Program.

With above average rainfall amounts across the watershed over the last month, stream flows and water levels have recovered from the previous low water status and are now above average for this time of year.

Parks Canada continues to closely monitor the water levels throughout the Rideau Canal system inside the Rideau Valley watershed. Water levels in the reservoir lakes, located in the upper reaches of the Rideau Valley watershed, are now near normal for this time of year. Rideau River flows downstream of Big Rideau Lake remain at minimum value. Water levels in the Rideau River below Smiths Falls are within navigable ranges for this time of year.

Conservation Authority staff continue to monitor conditions and communicate with water managers throughout the watershed. Updates to this message will be issued as conditions warrant.

More resources:

 -end-


More Information:
Contact: Brian Stratton, RVCA Manager Engineering Services
Rideau Valley Conservation Authority

613-692-6804, 1-800-267-3504 ext. 1141

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