Watershed Conditions Statements

June 4, 2019 – The Rideau Valley Conservation Authority (RVCA) is maintaining a High Water Safety message for properties around Bobs Lake and Christie Lake. The water levels on Bobs and Christie Lakes continue to decline slowly but both lakes are still above average for this time of year. This water levels are expected to gradually drop down to seasonal levels soon. Parks Canada staff are closely monitoring the water levels in these lakes.  Operations at the Bolingbroke Dam will take place as required to balance the levels in Bobs Lake and Christie Lake. Water levels continue to be at…
MAY 31, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is TERMINATING the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. A Watershed Conditions – High Water Safety message is in effect as all areas are still well above normal for this time of year and conditions are expected to remain that was for at least the next two weeks. The most recent analysis from the Ottawa River Regulation Committee (ORRC) indicate that water levels along the lower Ottawa River from Chats Lake to the…
MAY 28, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. Water conditions along the lower Ottawa River from Arnprior to Gatineau have been slowly declining but will remain well above normal conditions for this time of year. Levels from Gatineau to Hawkesbury are expected to remain stable and should resume declining on Wednesday. No additional increase in water levels is expected for this area. Residents are strongly urged…
May 28, 2019 – The Rideau Valley Conservation Authority (RVCA) is terminating the Flood Watch that was previously in effect and issuing a High Water Safety message for properties around Bobs Lake and Christie Lake. The water levels on Bobs and Christie Lakes continue to decline slowly but both lakes are still above average for this time of year. This water levels are expected to gradually drop down to seasonal levels with no significant rainfall and somewhat seasonal temperatures in the forecast for the next week. Parks Canada staff are closely monitoring the water levels in these lakes.  Operations at…
MAY 22, 2019 - Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent analysis from the Ottawa River Regulation Committee (ORRC) indicate that water levels along the lower Ottawa River from Chats Lake to the Grenville/ Hawkesbury area will continue to decline over the coming weeks, albeit slowly. All flood-prone areas along the Ottawa River from Lac Coulonge down to the Montreal Archipelago are at risk as…
May 21, 2019 – A FLOOD WATCH is being maintained for properties around Bobs Lake and Christie Lake. The water levels on Bobs and Christie Lakes continues to decline slowly, but the recent wet/cool weather has kept both lakes above average for this time of year. The current forecast indicates 10 mm of rain could fall this coming the weekend. This rainfall will likely slow down the rate of water level decline on Bobs Lake and Christie Lake. Parks Canada staff are closely monitoring the water levels in these lakes.  Operations at the Bolingbroke Dam will take place as required…
May 17, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent analysis from the Ottawa River Regulation Committee (ORRC) indicate that water levels along the lower Ottawa River from Chats Lake to the Grenville/ Hawkesbury area are slowly declining but remain high. All flood-prone areas along the Ottawa River from Lac Coulonge down to the Montreal Archipelago are at risk as spring runoff continues along…
May 14, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent analysis from the Ottawa River Regulation Committee (ORRC) indicate that water levels along the lower Ottawa River from Chats Lake to the Grenville/ Hawkebury area have stabilized and will slowly recede in the coming weeks. All flood-prone areas along the Ottawa River from Lac Coulonge down to the Montreal Archipelago are at risk as…
May 13, 2019 —A FLOOD WATCH is being maintained for properties around Bobs Lake and Christie Lake. The water levels on both lakes continue to decline slowly and remain above average for this time of year.  The current water level on Bobs Lake is above the ‘Full Supply’ threshold at which flood damage can occur.  The current water level on Christie Lake is such that some flood damage can also occur. The current forecast indicates up to 30 mm of rain could fall between today and Wednesday. This rainfall will likely increase water levels again on Bobs Lake and Christie Lake.…
May 10, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent analysis from the Ottawa River Regulation Committee (ORRC) indicate that water levels along the Ottawa River from Mattawa to Montreal are increasing due to recent precipitation and increased flow from the upper part of the watershed.  Water levels are not expected to reach the levels observed last week over the forecasted period. All flood-prone…
May 7 , 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The current weather forecast indicates that significant rainfall amounts are possible from Thursday morning into Friday as a large low-pressure system moves into the area. The most recent analysis from the Ottawa River Regulation Committee (ORRC) indicate that water levels along the Ottawa River from Chats Lake down to Lac Deschenes are stable and may increase…
May 6, 2019 —A FLOOD WATCH is being maintained for properties around Bobs Lake and Christie Lake. Water levels on both lakes continue to decline slowly but both remain above average for this time of year.  The current water level on Bobs Lake is above the "Full Supply" threshold at which flood damage can occur.  The current water level on Christie Lake is such that some flood damage can also occur. The current forecast indicates between 20 mm and 35 mm of rain could fall later this week. This rainfall will likely increase water levels again on Bobs Lake and Christie Lake. Parks…
May 3, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent model outputs from the Ottawa River Regulation Committee (ORRC) indicate that water levels have peaked on Lac Coulonge and are expected to begin rising again over the next few days. Along the Ottawa River below Lac Coulonge, levels are expected to remain stable or slowly decline over the next few days in all locations.  All flood-prone areas…
May 1, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent model outputs from the Ottawa River Regulation Committee (ORRC) indicate that water levels have peaked on Lac Coulonge.  From Chats Lake down to Hawkesbury/Grenville, levels have stabilized but are expected to increase due to forecasted rain of 15 to 35 mm on a large part of the basin starting today. All flood-prone areas along the…
April 29, 2019 — Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation (SNC) is maintaining the FLOOD WARNING issued on April 19, 2019 for the areas under our jurisdiction along the Ottawa River. The most recent model outputs from the Ottawa River Regulation Committee (ORRC) indicate that runoff from snowmelt and precipitation is decreasing from Mattawa to Lac Coulonge with levels stabilizing in Mattawa and Pembroke. The Lower Ottawa River water levels are increasing due to upstream spring runoff caused by rainfall, saturated soil and snowmelt over the central part of…
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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:

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

Member of: conservation ontario