From TSW:
Water Level Management Update – Wednesday, December 19, 2018
Trent-Severn
Weather
The weather forecast for Thursday and Friday of this week suggests a precipitation event in the amount of 30 to 50 mm.
Outlook
Depending on the amounts of rain across the areas local snow melt and snow melt runoff will occur greatly impacting the watershed response. Water levels and outflows are expected to increase at all locations due to the precipitation. Trent Severn Water Management team will be active and the changing conditions will be closely monitored. Any watershed conditions updates will be released by your Conservation Authority or local Ontario Ministry of Natural Resources district.
Haliburton and Northern Areas
All reservoir lakes remain at their respective winter set dam configuration. Water levels on the lakes in general are near average and are slowly decreasing. Flows on the Gull and Burnt Rivers are about average for this time of year.
Kawartha Lakes and the Otonabee River
The levels on the Kawartha Lakes are below average. Flows on the Otonabee River are about average for this time of year.
Rice Lake and the Lower Trent
Rice Lake water level is above long term average and is decreasing. Flows on the Lower Trent River are about average.
Severn River
Lake Simcoe water levels are above average, above rule curve and declining. Lake Simcoe outflows are maximized. Flows on the Black River are about average and declining. Flows on the Severn River are above average and a result the water levels on Sparrow Lake are above average.