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Watershed Conditions Statements

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…
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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