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(WCS – R06/2022) March 25, 2022 – The Rideau Valley Conservation Authority is terminating the FLOOD WATCH for the Village of North Gower but a FLOOD OUTLOOK continues for all the low-lying areas around the smaller creeks and streams in the Rideau Valley Watershed, including any connected creeks or ditches. The current short-term weather forecast indicates cooler, mostly below zero temperatures, for the next five days with limited precipitation. Although much of the snow has already melted, some snow remains in the watershed, especially in the upper watershed areas. Parks Canada staff who manage the water levels for the Rideau Canal have indicated that the water…
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Watershed Conditions Statements
(WCS – R06/2022) April 1, 2022 – The Rideau Valley Conservation Authority is issuing a HIGH WATER SAFETY message for all areas. Water levels and flows are declining for most areas of the Rideau Valley Watershed, except for the reservoir lakes which are discussed below. The short-term forecast indicates mostly above zero temperatures and limited precipitation, although there is a possible rain event coming later next week. The snow has melted across the lower watershed, but some snow remains in the upper watershed, near Perth. Parks Canada staff who manage the water levels for the Rideau Canal are carefully watching the water levels…
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Watershed Conditions Statements
(WCS – R08/2022) April 6, 2022 – The Rideau Valley Conservation Authority is continuing with a HIGH WATER SAFETY message for all areas. Although water levels and flows are now declining for most areas of the Rideau Valley Watershed, except for the lakes which are discussed below, the forecasted rain will cause water levels and flows to increase in the coming days. The short-term forecast indicates as much as 40 mm of rain may fall between Thursday, April 7 and Saturday, April 9. The snow has melted across the entire watershed. Although no significant flooding is anticipated, water levels and flows are expected…
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Watershed Conditions Statements
March 22, 2022
Continued Snowmelt and Forecasted Rain Will Keep Water Levels Elevated Across Rideau Valley Watershed
(WCS – R05/2022) March 23, 2022 – The current short-term weather forecast indicates mostly above zero temperatures until Sunday and possibly 30 – 50 mm of rain from Thursday to Saturday. Although much of the snow has already melted, some snow remains in the watershed, especially in the upper watershed areas. The forecasted rain and on-going snowmelt are expected to keep water levels elevated and cause some flooding in all low-lying areas, especially those identified below. Parks Canada staff who manage the water levels for the Rideau Canal have indicated that water levels in upper watershed lakes will continue to rise…
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Watershed Conditions Statements
December 10, 2021
Rain and Mild Temperatures Expected to Increase Water Levels Throughout Rideau Watershed
(WCS - RO6/2021)December 10, 2021 – Environment Canada is forecasting rainfall amounts of 20 to 40 mm starting the evening of Friday, Dec. 10 and continuing through Saturday night. This forecasted rainfall together with mild temperatures will melt snow and create runoff, causing all water levels and flows to increase throughout the Rideau Valley Watershed. Because of a wet fall season, most water levels and flows are currently above normal. Although this rain and snow-melt event will not cause significant flooding, it could cause localized flooding in small watercourses, urban areas and ditches. The RVCA reminds the public to exercise extreme caution around all…
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Watershed Conditions Statements
February 16, 2022
Precipitation, Mild Temperatures May Increase Water Levels and Flows and Cause Unstable Ice Across Watershed
(WCS – R01/2022)February 16, 2022 – Environment Canada is forecasting mild temperatures, with 15 to 25 mm of rain starting late today through Thursday afternoon followed by much cooler temperatures and possible snowfall accumulations of 10 to 20 cm of snow before mid-day on Friday. This weather event will likely result in elevated water runoff to all waterways because of snow melt and high rainfall amounts before freezing up again. Although no significant flooding is anticipated, water levels and flows are expected to increase in all waterways in the Rideau Valley Watershed. Depending on how much snow melts and rain…
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Watershed Conditions Statements
August 10, 2021
Despite recent rain, minor low water conditions continue
(WCS-LW - 3/2021) August 10, 2021 – Despite recent rain, the Rideau Valley Water Response Team is maintaining a MINOR low water status for the Rideau River watershed after officials met to discuss conditions on Tuesday, August 10. Watershed residents and businesses are encouraged to continue to voluntarily reduce their water usage by 10 percent. This is especially important for those who have permits for taking water from surface or groundwater sources and all residents on private, communal or municipal wells. There is less of a concern for residents of urban Ottawa because the City of Ottawa central drinking water system draws from the…
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Watershed Conditions Statements
June 08, 2021
Minor Low Water Conditions in Rideau Valley Watershed
(WCS-LW - 1/2021) June 8, 2021 — Due to below average rainfall over the last three months, conditions in the Rideau Valley Watershed now meet the threshold for Minor Low Water status under the Ontario Low Water Response Program. Watershed residents and businesses are encouraged to conserve water by limiting non-essential uses (e.g., lawn watering, car washing, etc.), for an overall consumption reduction of about 10 percent. Residents are also encouraged to consult with their municipalities regarding any water conservation bylaws that may be in effect. Stream flow values are lower than normal by as much as 20 to 30 percent and field observations…
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Watershed Conditions Statements
August 05, 2020
Low Water Conditions Much Improved in Rideau Valley Watershed
(WCS-LW - 4/2020) August 5, 2020 — This statement is to advise that the low water status in the Rideau River watershed is being downgraded to “Minor” from “Moderate” severity under the Ontario Low Water Response Program because of recent precipitation. Significant rain over the last week pushed 30-day rainfall totals above what is normal for the time of year at most climate monitoring sites in the region. However, the average 90-day rainfall measured at climate stations in and around the watershed is below 80 per cent of normal for this time of year which represents “Minor” low water severity. Looking…
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Watershed Conditions Statements
April 3, 2020 (WCS – R06/2020) –The Rideau Valley Conservation Authority is terminating the FLOOD WATCH that was previously in effect and issuing a HIGH WATER SAFETY message for all areas. Water levels and flows are still high for most, but not all, of the larger waterbodies in the Rideau Valley Watershed. The short-term forecast does not indicate any significant precipitation and the snow is now melted across the Rideau Valley Watershed. As such, water levels and flows are expected to slowly decline in the days ahead. Everyone needs to be cautious around lakes and streams with the fluctuating water levels.…
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Watershed Conditions Statements
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March 30, 2020
WATER SAFETY STATEMENT — Lower Ottawa River / SÉCURITÉ AQUATIQUE — Cours inférieur de la rivière des Outaouais
March 30, 2020 — A Water Safety Statement is being issued for areas along the Lower Ottawa River. Based on current snow cover and weather forecast, it’s anticipated that levels and flows from Arnprior to Hawkesbury will remain within the normal range of fluctuations associated with the spring freshet period. The Ottawa River Regulating Committee indicates that with warming temperatures and forecasted precipitation, increases in flows and levels are expected to continue and may cause minor flooding in low-lying areas over the coming weeks depending on the temperatures and precipitation received. Levels are currently expected to remain below flood thresholds.…
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Watershed Conditions Statements
April 14, 2022
Flood Outlook — Lower Ottawa River | Perspective de crue – Cours inférieur de la rivière des Outaouais 2022
Water Conditions Statement: Flood Outlook — Lower Ottawa River April 14, 2022 — A Flood Outlook Statement is being issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury). Based on forecasted precipitation and anticipated snow melt, levels and flows along the Ottawa River are expected to increase over the next few days as a result of the onset of the spring freshet in the Ottawa River basin. Snow cover varies significantly across the 146,300 km2 Ottawa River basin, with most southern areas having no snow cover at all. A large portion of snow cover in the northern regions…
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Watershed Conditions Statements
April 14, 2023
Flood Watch — Lower Ottawa River | Veille de crue – Cours inférieur de la rivière des Outaouais
Water Conditions Statement: Flood Watch — Lower Ottawa River April 14, 2023 — 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 signifiant snow melt and forecasted rainfall anticipated on Sunday and Monday, water levels are expected to continue rising within the Ottawa River Basin. Most of the water currently entering the Ottawa River is located in areas where there are no reservoirs or retention capacity. The current strategy by the Ottawa River Regulating Committee is to reduce the amount of…
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Watershed Conditions Statements
April 17, 2023
Flood Warning — Lower Ottawa River | Avertissement de crue – Cours inférieur de la rivière des Outaouais
Water Conditions Statement: Flood Warning — Lower Ottawa River April 17, 2023 —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. Most of the water currently entering the Ottawa River is originating in areas where there are no reservoirs or retention capacity. The Ottawa River Regulating Committee is managing principal reservoirs to reduce river flows to…
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Watershed Conditions Statements
