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Stockbridge Bowl (Lake Mahkeenac): Lake level relative to spillway, Stockbridge
    Drainage area: 10.79 square miles
    Group: Housatonic Valley Association
    Description: This site was established to measure lake levels to inform management of releases to downstream Larrywaug Brook. Data shown here are lake levels relative to the spillway (spillway elevation represented by 0). Discharge is not measured at this site.


Discharge Chart(s)

View Custom: Scatter Chart Line Chart Data
Dates   From:   To:  
Include Precipitation? Yes      No
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Period of Record:   01/03/2004 - 11/23/2013


Depth Chart
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Depth chart for Stockbridge Bowl (Lake Mahkeenac), Lake level relative to spillway, Stockbridge10/23/2013 thru 11/23/2013

River Instream Flow Stewards Chart, www.rifls.org

View Custom: Scatter Chart Line Chart Data
Dates   From:   To:  
Include Precipitation? Yes      No
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Period of Record:   01/03/2004 - 11/23/2013


Maps & Photographs

Click on any photograph for a larger view (opens in new window).


Photo of construction in outlet channel of Stockbridge Bowl.: 2/10/2012

Photo of construction in outlet channel of Stockbridge Bowl.
2/10/2012

Big thaw since early January. Lake is up to -1.16 ft. and the gate is being held open at 13 inches resulting in good flow in Larrywaug Bk.(29.7 CFS): 1/10/2008 12:00:00 PM

Big thaw since early January. Lake is up to -1.16 ft. and the gate is being held open at 13 inches resulting in good flow in Larrywaug Bk.(29.7 CFS)
1/10/2008 12:00:00 PM

Gate open 2.5 in. LakeLevel -2.75 in.: 8/30/2007 8:00:00 AM

Gate open 2.5 in. LakeLevel -2.75 in.
8/30/2007 8:00:00 AM

Gate open 2.5 in. LakeLevel -2.75 in.
Flow in Larrywaug Brook 2.55 cfs.: 8/30/2007 8:00:00 AM

Gate open 2.5 in. LakeLevel -2.75 in. Flow in Larrywaug Brook 2.55 cfs.
8/30/2007 8:00:00 AM

Outlet channel at end of 2006 drawdown.: 12/4/2006

Outlet channel at end of 2006 drawdown.
12/4/2006

Outlet structure with trash grates cut away to about -2 feet lake level.: 12/4/2006

Outlet structure with trash grates cut away to about -2 feet lake level.
12/4/2006

Stockbridge Bowl outlet is shut: 8/24/2006

Stockbridge Bowl outlet is shut
8/24/2006

Stockbridge Bowl outlet gate valve is shut.: 8/24/2006

Stockbridge Bowl outlet gate valve is shut.
8/24/2006

Stockbridge Bowl spillway.: 8/24/2006

Stockbridge Bowl spillway.
8/24/2006

The lake outlet was opened in the last few days, allowing an unexpected beginning of a drawdown.
The risk is that, upon noticing the lowering lake level, someone will shut off the outlet and starve the Larrywaug Brook while the lake fills up again.: 8/19/2006 7:00:00 AM

The lake outlet was opened in the last few days, allowing an unexpected beginning of a drawdown. The risk is that, upon noticing the lowering lake level, someone will shut off the outlet and starve the Larrywaug Brook while the lake fills up again.
8/19/2006 7:00:00 AM

Stockbridge Bowl is below the spillway. : 8/19/2006 7:00:00 AM

Stockbridge Bowl is below the spillway.
8/19/2006 7:00:00 AM

Larrywaug Brook 7:00 AM 3-30-2006 Gage: .96 ft.
Flow: 3.8 cfs: 3/30/2006 7:00:00 AM

Larrywaug Brook 7:00 AM 3-30-2006 Gage: .96 ft. Flow: 3.8 cfs
3/30/2006 7:00:00 AM

Outlet of Stockbridge Bowl 3-30-2006 7:00AM
Gate shut to 2

Outlet of Stockbridge Bowl 3-30-2006 7:00AM Gate shut to 2" LakeLevel: +2"
3/30/2006 7:00:00 AM

Spillway at Stockbridge Bowl 3-30-2006 7:00AM
LakeLevel: +2

Spillway at Stockbridge Bowl 3-30-2006 7:00AM LakeLevel: +2"
3/30/2006 7:00:00 AM

The outlet is frozen and reliable measurements of LakeLevel are not currently available. Water is flowing over the passive spillway.: 3/9/2006 8:00:00 AM

The outlet is frozen and reliable measurements of LakeLevel are not currently available. Water is flowing over the passive spillway.
3/9/2006 8:00:00 AM

The lake is still frozen, but water is flowing over the spillway.: 3/9/2006 8:00:00 AM

The lake is still frozen, but water is flowing over the spillway.
3/9/2006 8:00:00 AM




For comments, suggestions, or new observations please contact: Michelle Craddock, Flow Restoration Specialist at michelle.craddock@state.ma.us