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Watershed Conditions Statements

August 30, 2018 –  This statement is to advise that the low water status in the Rideau River watershed remains at “Minor” Severity except for the Kemptville Creek sub-watershed which continues to be “Moderate” Severity. Flow in Kemptville Creek has continued to be very low. The amount of rain measured in the Kemptville Creek sub-watershed for the same time period is well below the historical average at both Kemptville and at the Brockville Airport near the Creek headwaters The impact of the low flow is that aquatic creatures living in the Creek are confined to smaller and smaller pools that…
August 20, 2018 –  This statement is to advise that the low water status in the Rideau River watershed generally remains at “Minor” Severity except for the Kemptville Creek sub-watershed which has risen to “Moderate” Severity. Rainfall in eastern Ontario has been widely varied since late July. What rain that has fallen in the Kemptville Creek sub-watershed has had little effect on flows with much of it infiltrating into the soil and retained in wetlands. The Creek is down to intermittent pools in some sections. Beaver have been active, building dams that contribute to the ponding. At the same time,…
August 2, 2018 –  This statement is to advise that the low water status in the Rideau River watershed has been reduced to Minor Severity. Longer range forecasts indicate warmer and dryer than normal through the rest of the summer and into the fall. If that forecast comes to pass, flows and levels can be expected to fall well below normal. Present conditions are generally close to normal but because of declining flows and forecasts, the low water status is being reduced from Moderate to Minor Severity rather than being withdrawn entirely. Record rainfall was measured at several climate monitoring…
July 19, 2018 –  This statement is to advise that the low water status in the Rideau River watershed is now at Moderate severity. Rainfall in the last 90 days, measured at climate stations in and around the watershed, is about 60% of the normal amount for the time of year which is the threshold for Moderate Severity Low Water. Rain presently forecast for much of next week will be welcome but is not expected to have a significant impact. Longer range forecasts indicate temperatures above normal and precipitation below normal through the rest of the summer and into the…
July 10, 2018 –  This statement is to advise that present conditions in the Rideau River watershed are now at the threshold for Minor Low Water status under the Ontario Low Water Response Program. Rainfall in the last 90 days, measured at climate stations in and around the watershed, is about 80% of the normal amount for the time of year which is the threshold for Minor Low Water. The present heat wave with several daytime high temperatures above 30 degrees has burned lawns and wilted plants in gardens. Lake levels and streamflows are below normal for the time of year but are…
May 15, 2018 – By this statement the Flood Warning issued on April 30 for Bobs and Christie Lakes is terminated. The water level on Bobs Lake has receded to the ‘Full Supply’ threshold. No significant rain is presently forecast for the next four days. Therefore, levels on both Bobs and Christie Lakes can be expected to continue to recede toward normal summer levels over the rest of the week. Rain forecast for Saturday and Sunday is not expected to be enough to raise levels again. Caution is still needed around lakes and rivers with water still cold and above…
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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