Watershed Conditions Statements

Water levels have declined through the week and are not expected to be affected significantly by rain forecast for the weekend. With no rain through the week water levels have had time to decline. On the Ottawa, levels below Chaudiere Falls have gone down more than 50 centimetres (cm). The Long Reach on the Rideau has dropped 30 cm. The Flood Warning will remain in effect through the weekend because of 20 or more millimetres of rain forecast for Saturday and Sunday. However, to have an impact, the rain would need to be from a widespread system with heavy rain…
Flood levels on both the Ottawa and Rideau River systems can be expected to decline through the week following peak flows on Monday. No rain is in the forecast for today or tomorrow. During that time, water levels can be expected to decline slowly. However, the Flood Warning will remain in effect because of up to 40 millimetres of rain forecast to start on Thursday or Friday. The impact will depend on how much levels have subsided, how widespread the weather system is and how intensely the rain falls. The areas the RVCA monitors on the Ottawa River, Lac Deschene,…
Flood levels can be expected to decline through the afternoon today as peaks are being reached on the Rideau and tributaries. Peak levels have been or are being reached in the lower Rideau watershed downstream of Smiths Falls as runoff from the heavy weekend rains passes through the system. The general indication is that levels are stabilizing and will decline over the afternoon. The Long Reach of the Rideau has stabilized and can be expected to start to decline this afternoon. It will take a couple of days for the flood waters to fully recede from the roadways. Hilly Lane,…
Measurements on the Ottawa River indicate that water levels are stabilizing. This Flood Warning applies to areas around Lac Deschene, at Petrie Island and at Boise Village to the east of Cumberland. All locations covered by this statement are expected to have river water levels stabilize this morning and possibly reach peaks this afternoon or evening. There is no significant rain presently forecast that would cause levels to rise again. The decline water levels may be prolonged by releases from upstream dams as excess water from the more northerly parts of the watershed pass through the system. It will take…
Water levels continue to rise but at a slower rate as the rain ends This Flood Warning applies to areas around Lac Deschene, at Petrie Island and at Boise Village to the east of Cumberland. All locations covered by this statement are expected to have river water levels stabilize through today as the rainfall system passes out of eastern Ontario. A peak is expected to be reached by tomorrow on the Ottawa as the flows in the tributary rivers reach peaks through this evening and overnight. Some more rain is in Ontario Ministry of Natural Resources and Forestry weather forecasts…
 The rain is forecast to tail off today and tomorrow in Eastern Ontario finishing with a bout of freezing rain and snow flurries in some locations. Flows in the Rideau system are now not expected to reach flows experienced in the spring freshet (defined as a flood of a river from heavy rain or melted snow). The rate of rise in the Rideau and its tributaries is slowing as the lower reaches of the system stabilize. Levels on the Long Reach will decline to navigation levels and access to Hilly Lane and its neighbours will improve through the coming week.…
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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