November 26, 2019
by rob
Comments Off on Drawdown: Report 10
The 6†siphon continued flowing during this last two week period and we requested that P&LC restart both 12″ siphons.
On Wednesday 11/20, a Lake Planning Group Meeting was held with John Bergstrom, Robert & Susan Brown, Rob Cummings, Sue Enos, Scot Evans, Lara Gorton, Stephen Macaluso, and Harold Ossher attending. Continue reading
November 18, 2019
by rob
Comments Off on Drawdown: Aerial Survey Lake Perimeter
A friend lent me his drone for an aerial survey of the lake as it is now during the drawdown. I have posted below some of the photos from November 15 when the lake was half frozen on the surface. … Continue reading
November 13, 2019
by rob
Comments Off on Drawdown: Report 9
Summary: Both 12″ siphons shut down: the west 12†on Tuesday night 11/5/19 and the east 12†on Wednesday night 11/6/19. The 6†siphon was the only one flowing most of this week and it was able maintain the lake level following 0.3″ rainfall with a 2 ½” lake level rise. Lake Gauge started at -3.0′ target depth and ended the week rising to -2.8′. Continue reading
November 6, 2019
by rob
Comments Off on Drawdown: Report 8
Summary: Harold Ossher’s conclusion, following his evaluation of watershed research and flow data collected, was to use two 12†siphons plus the one prototype 6†siphon. This proved sufficient to stay ahead of this year’s wet October 8.2†rainfall total. (Average rainfall for October over the last three years is 7.7″ where OCT 2018 was 4.6†and OCT 2017 was 10.3″.) Continue reading