03/28/2023 MASHPEE-WAKEBY LAKE MANAGEMENT COMMITTEE Minutes

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Mashpee - akehy Lake Management Committee March 28,2023 7:00 PM _. ........_...........:Mash lee Town Hall Meeting called by: Debi McManus Type of meeting: Monthly Secretary3 Barbara B. Nichols Attendees: Members: Barbara Nichols, Mike Rapacz, Paul Bibo Guests: Amy Peters, Shirley A. High Rock The minutes of the January 24, 2023 meeting were accepted as written after a motion by Paul Bibo and second by Mike Rapacz. Agenda topics [Agenda topic 1] Lake level/River outflow Discussion: Debi did the lake measurements on February 1" and 15th. There were 55.5 and 55.4 feet above sea level. There were 15 and 16 inches of water were flowing over the board closest to the lake. On the 1 st there were 12 inches of water in the stream and 11 inches on the 15th. Levels done on March 3rd and 17th were both 55.5 ft above sea level with 13.5 and 15 1/2 inches going over the board. There were 10 and 13 inches in the stream by the steps. The new white gauge by DPW decreased from 15 to 14 and back up to 15 during this time period . Levels were reported to Drew McManus in Conservation. Drew McManus emailed that AmeriCorps had assisted cleaning out brush from the Mashpee River on March 20th. Drew also emailed that DPW had done the spring clean out of the river in the cage area and removed 1 Y2 to 2 feet of sand from both sides of the cage. Conclusions: The water levels have increased with the increased precipitation but are still within acceptable range. [Agenda topic 2] Pond Study Discussion: Ed Eichner from TMDL Solutions and SMAST Coastal Systems will be updating the Select Board with a technical memo April 3`d. The sonde tubes will be deployed in mid-April and the testing will resume then. Conclusions. Ed Eichner will be speaking g on at the Select Board meeting April 3`d. Testing will resume p g p g in mid- April.