May 06, 2017

Flooding to Reach April Peak

For more information, contact:

  • Patrick Larson
  • RVCA Senior Water Resources Technician
  • 613-692-3571 or 1-800-267-3504 ext. 1210
  • 613-799-9423 (cell)

Water levels in the Rideau Valley are expected to reach levels previously reached on April 7.

Rainfall will continue to cause levels to rise again inundating those locations flooded recently in the spring freshet. Road ways in the communities on the Long Reach of the Rideau River between Kars and Kemptville have already been water covered or will be later today.

Belmont Avenue and the Windsor Park pathway in Ottawa South and Brantwood Park in Ottawa East will be flooded again. No other flooding in the urban area adjacent to the Rideau River is expected to be flooded.

All of the dams in the system have been adjusted to allow as much water as possible to pass through. However, the levels on many of the lakes in the upper watershed are high causing shoreline flooding, access issues, erosion and damage to structures. It is expected that it will take some time to return to normal levels once a peak is reached.

As the flood waters rise, so too does the hazard level. Flooded roads are dangerous to drive and walk on and moving water and slippery streambanks are not good places for anyone to be. Parents need to inform children about the dangers.

The rain is forecast to end on Sunday and a peak can be expected late Sunday or Monday.

Conservation Authority staff will continue to monitor conditions and will issue updates as warranted.

For water level and flow information in the Rideau system as well as the Ottawa River, visit the RVCA Streamflows and Water Levels webpage at

For more information about conditions on the Ottawa River, also check the webpage of the Ottawa River Regulation Planning Board at

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 area watercourses.

Contact Us

Rideau Valley Conservation Authority
3889 Rideau Valley Drive
Manotick, Ontario K4M 1A5

613-692-3571, 1-800-267-3504



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

Member of: conservation ontario