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
Author Archives: rob
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
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
Drawdown: Report 7
Summary: Sunday 10/27/19 brought us the remnants of Tropical Storm OLGA, where we received 1.34 inches of rain in the twelve hours between 4 am and 4 pm. (more…) Continue reading
Drawdown: Report 6
Rain from the strong nor’easter bombogenesis (at least 24 millibar drop within 24 hours) began at 2 pm Wednesday 10/16/19 and ended just after midnight where we received 3.34â€of rain. On Thursday 10/17/19, we received a small amount of wrap-around moisture with an additional 0.04†or rain. (more…) Continue reading
Drawdown: Report 5
During the last 9 days, we received 1.03 inches of rain which was mostly absorbed by the dry ground of West Mountain and surrounding area with little inflow from the Boway Stream: (more…) Continue reading
Drawdown: Report 4
One of the assumptions you provided for our lake to refill is 12 x Precip (rain or Snow Water Equivalent – SWE). I want to determine the best average multiplier for our lake to refill when the siphons are not operating. (more…) Continue reading
September 30, 2019
by rob
Comments Off on Septic Pumping Discount for Truesdale Lake Residents
Septic Pumping Discount for Truesdale Lake Residents
We have good news: Wind River Environmental is offering a discount on septic pumping and maintenance to Truesdale Lake area residents (Wind River was known for a few years as EarthCare which was formerly Kaiser-Battistone). Continue reading
September 28, 2019
by rob
Comments Off on Drawdown: Report 3
Drawdown: Report 3
The lake level increased 4†since the target depth was reached on Sunday 9/22/19. So one week later, James Gorman and crew correctly restarted the two 12†siphons to keep the drawdown ahead of the rain coming in October. (more…) Continue reading
September 23, 2019
by rob
Comments Off on Drawdown: Report 2
Drawdown: Report 2
The target depth was reached at 1 pm yesterday (sept 22) with three feet below spillway and four feet total drawn out by the siphons. As of Sunday 9/22/19 at 1:00 pm, all siphons have naturally shut down. (more…)