The Flood Warning for the Ottawa River issued on May 10, 2023 has been downgraded to a Water Safety Statement.
Water levels along the Lower Ottawa River from Gatineau to the Grenville/Hawkesbury area are expected to continue decreasing over the coming days.
Summer is right around the corner and a sure sign of the changing of seasons is the reopening of South Nation Conservation’s (SNC) seasonal properties! All parks and boat ramps are now opened to the public.
SNC has now installed safety and debris booms ahead of its water control structures throughout the region, including Crysler, Casselman, Russell and Plantagenet. Higher than normal water levels this spring are beginning to decline and docks are now being installed at the following Conservation Areas and partner boat launching sites for the May Long Weekend:
This FLOOD WARNING statement is an update to the Flood Warning issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on May 2nd, 2023.
Water levels along the main stem of the Ottawa River reached peak levels on May 5th and 6th due to above normal snow melt in the upper region of the basin this spring, combined with large regional rain events that occurred over several days in late April and early May.
A Flood Outlook Statement is being issued for areas along the St. Lawrence River shoreline in the South Nation Conservation (SNC) jurisdiction. According to the International Lake Ontario – St. Lawrence River Board, Lake Ontario’s water levels are above average for this time of year and are likely tocontinue increasing as a result of significant rainfall received this past week.
Environmental Conditions:
This FLOOD WARNING statement is an update to the Flood Warning issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 28th, 2023.
April 28, 2023 — This FLOOD WARNING statement is an update to the Flood Warning issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 20th, 2023.
Water levels are expected to rise again within the Ottawa River Basin due to significant rainfall forecasted Saturday through Tuesday. Runoff from this rain event will bring additional water volumes to the Ottawa River at a time when levels are already near major flood thresholds.
Weather Forecast: Environment Canada is forecasting rain amounts from 30 to 50 mm across the jurisdiction starting Saturday and continuing into next week. Thunderstorms may produce additional precipitation locally.
Environmental Conditions: Precipitation will increase water levels and flows in rivers at a time when levels are already elevated due to the spring freshet.
This FLOOD WARNING statement is an update to the Flood Warning issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 17th, 2023.
Water levels are expected to continue rising within the Ottawa River Basin due to snowmelt, combined with forecasted rainfall starting Friday and continuing over the weekend.
This FLOOD WARNING statement is an update to the Flood Watch issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on
April 14th, 2023.
Water levels are expected to continue rising within the Ottawa River Basin due to increased snowmelt associated with above normal snowpack and high temperatures over the weekend.
This FLOOD WATCH statement is an update to the Flood Outlook Statement issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury) on April 7th, 2023.
Due to significant snow melt and forecasted rainfall anticipated on Sunday and Monday, water levels are expected to continue rising within the Ottawa River Basin.
