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Recent heavy but localized rain was not sufficient to change the drought status in the Rideau River watershed from “Severe.” Streamflows and lake levels continue to decline throughout the watershed. At the climate station at Kemptville, 44 millimetres of rain was recorded on September 10. Both Smiths Falls and Rideau Ferry received 26 but all of 2 mm was recorded at the station at Innisville east of Perth. Where the heavier rainfall occurred, levels increased but they quickly fell back to where they had been.
September 08, 2016

Shoreline Naturalization Sponsors

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  • RVCF colour Low Res
  • City Stream Watch Logo FINAL
  • cfo logo
  • canada
  • ontario
  • Ottawa
  • ncc
  • hat
  • shell
  • OFS
  • southbank
  • osc logo
  • Jock
  • Tay
  • HSC Logo
  • TD FEF LOGO
  • ferguslea logo
  • Walmart cmyk
  • abbott
  • Red Dot sponsorship 001
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  • OSFlogo5
  • EVG Logo EN RGB tag
  • Helen McCrea Peacock Foundation
September 08, 2016

Contact Us

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Rideau Valley Conservation Authority
PO Box 599, 3889 Rideau Valley Drive
Manotick, Ontario K4M 1A5 (corner of Prince of Wales & Rideau Valley Drive)

Hours of Operation:  8:30 a.m to 4:30 p.m. Monday to Friday

Phone:  613-692-3571  |  1-800-267-3504 (toll-free)

Fax:  613-692-0831

E-mail   

The Rideau Valley Conservation Authority is headquarters to :
Ottawa Septic System Office
Mississippi-Rideau Source Protection Office
LandOwner Resource Centre

Staff Directory  Board of Directors

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September 07, 2016

Planting Days and Invasive Species Removals

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Watch for dates to help us plant trees and shoreline shrubs. Our Shoreline Naturalization Program, City Stream Watch Program and various other special projects often look for people to help.

Rideau Valley Conservation’s stewardship projects offer opportunities to get your hands dirty while taking action in your community. We partner with private landowners, watershed residents, municipalities, and agricultural and academic communities to protect and enhance our natural environment. From habitat enhancement, to tree plantings and clean-ups, your efforts will have an immediate and positive impact on the local environment, and contribute to long-term sustainability.

Follow our volunteer calendar for upcoming events.

March 03, 2016

Spring Outlook

Winter 2016 took an unusually long time to arrive and has had trouble staying. Now it looks like it may be leaving early. A record snowstorm on February 16, some rain on the 24 followed by cold has made for a frosty start to March. Conservation Authority staff measured the snow on the ground on March 1 finding the depth and water equivalent to be slightly above the historical average. The snow that fell on Tuesday night and into Wednesday has increased the snowpack to about 25 percent above normal for the time of year. Weather forecasts indicate that temperatures…
With a definite declining trend of the water levels of Bobs Lake and Christie Lake, the Flood Watch that has been in effect specific to those lakes since April 11 is now cancelled. With little precipitation over the last two weeks and, therefore, declining inflow to contend with, Parks Canada staff have been able to gradually bring the levels of both lakes back down to target operating ranges. Water levels in the rest of the watershed are also decreasing and are close to averages for the time of year. However, the water is still relatively high and is cold. Caution…
The last significant rainfall in the Rideau River watershed on June 5 caused streamflows to increase and helped crop growth, but the effect has worn off and the lack of rain since has once again left flows dropping and crops in need of more water. Rainfall recorded at Kemptville indicates that the Moderate Drought severity has been reached in the southern parts of the watershed. However, the drought severity overall in the watershed is still Minor but is expected to reach Moderate status late next week. Forecast rain next week is not expected to have a significant impact. Streamflows increased…
With no rain until Monday in weather forecasts, it is expected that the drought status for the Rideau River watershed will pass the threshold from Minor to Moderate Severity by Sunday. The amount of rain forecast for Monday will do little to reverse the trend of deepening drought. Flows in the Rideau River at Ottawa are 15% of normal for the time of year. Larger tributary streams are about 6% of normal and many small streams are intermittent or dry. Aquatic habitat is becoming limited for all species.
The precipitation indicator for Moderate Drought of 60% of normal was reached last Sunday. Rainfall since then has had a minimal impact and conditions remain very dry. Flows in the Rideau River at Ottawa are at 25% of normal for the time of year. Two of the major tributary streams, Jock River and Kemptville Creek, are both flowing at about 6% of normal. The Tay River is in relatively better shape benefitting from outflow from Bobs Lake, one of the Rideau Canal reservoir lakes. Smaller streams are intermittent or dry and aquatic habitat is compromised for all species.
Sporadic and random rainfall over the last week was not enough to bring the Rideau River watershed out of the Severe Drought status reached in mid-August Previous rain in August did cause flows and levels to increase but only for a brief period. With rain coming in small cells that affected very limited areas, levels have quickly declined again. Forecast for this week has a total of 20 millimetres possible that will not have a significant impact.
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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