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=More Cannonsville -- Another Article: Times Herald Record=

TR

"You can observe a lot just by watching." Y. Berra
Lowering reservoir could be 'catastrophic' - News - recordonline.com - Middletown, NY

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Lowering reservoir could be 'catastrophic'


Businesses, fishermen worry about Delaware


By Andrew Beam
Times Herald-Record


Posted Jul. 21, 2015 at 8:40 PM


NARROWSBURG - Local fishermen and business owners are concerned that drawing down the Cannonsville Reservoir in Deposit could cause a financial blow to businesses along the Delaware River.


The New York City Department of Environmental Protection is currently lowering the reservoir because of a leak in its dam, releasing cold water beneath the surface that eventually reaches the West Branch of the Delaware River. But many who depend on the river for sport and business are worried that once the cold water runs out, the warm water on the surface that follows could devastate the trout habitat.
“This is a big deal,” said Dan Plummer, chairman of the board of directors for the Friends of the Upper Delaware River. “The river is the lifeblood of these communities.”


Trout fishing brings in some $12 million annually in Sullivan County, according to the Sullivan County Visitors Association.


Ken Tutalo, owner of the Baxter House in Roscoe - which offers lodging and guided fly fishing tours on the river, says if there is no rainfall between now and when the cold water is gone, the results could be “catastrophic.”


“People are nervous because of the potential of complete economic loss and loss of actual fishery,” Tutalo said.


The DEP was forced to drain the reservoir earlier this month after workers building a 14-megawatt hydroelectric facility drilled boring holes into a rock embankment of the dam. They pulled out a casing already in place during the process. It forced ground water - including sediment - that was under natural pressure several dozen feet below the surface to flow into the West Branch.


According to DEP Bureau of Water Supply Deputy Commissioner Paul Rush, about 43.6 billion gallons of the water in the reservoir - or about half of it - could be gone by Aug. 18. This would cause the warm water to start flowing from the reservoir and into the river.


But DEP spokesman Adam Bosch says the agency is hoping to release a blend of cold and warm water for the drinking water supply to preserve enough cold water for the river.


But it will need permission from the Federal Energy Regulatory Commission. The hope, according to Bosch, is the dam can be fixed by the time the reservoir is 40 to 50 percent full.


Bosch said most fishermen understand the need to fix the dam and have praised DEP for acting so quickly. “The fishermen we’re talking to actually really do understand that dam safety trumps everything else,” Bosch said.


abeam@th-record.com
 
Catastrophic would be the dam failing and towns along the entire river all the way to Delaware bay destroyed or inundated with water. I would hate to see the reservoir drawn down destroying the ecosystem but I would think,even if the repairs are completed before this that ny would want to visually inspect the repairs to make sure they were done correctly to prevent future problems.
 
Catastrophic would be the dam failing and towns along the entire river all the way to Delaware bay destroyed or inundated with water. I would hate to see the reservoir drawn down destroying the ecosystem but I would think,even if the repairs are completed before this that ny would want to visually inspect the repairs to make sure they were done correctly to prevent future problems.

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Good morning.

As an elected official sworn to protect the health, safety and welfare of our town I agree with you.

As a property owner who lives 60 miles downstream of the dam, I agree with you.

FWIW, in 2001, due to a NE drought, Cannonsville was drawn down by NYC DEP throughout the summer to meet the 1750cfs releases and by October was below 5%.

The reservoir refilled by the spring due to a normal winter's snowpack runoff in the Western Catskills.

TR

From NYC DEP:

http://www.nyc.gov/html/dep/pdf/watershed_protection/inundation-maps.pdf

Cannonsville


072215_A.png
 
"Catastrophic would be the dam failing and towns along the entire river all the way to Delaware bay destroyed or inundated with water.'

The NYCDEP considers a catastrophic break to be a section of the dam collapsing when the reservoir is 100% full and a 500' breech across the dam and a collapse from top to bottom. Those areas on the inundation maps are for a total catastrophic collapse.
 
Lowering reservoir could be 'catastrophic' - News - recordonline.com - Middletown, NY

----------


Lowering reservoir could be 'catastrophic'


Businesses, fishermen worry about Delaware


By Andrew Beam
Times Herald-Record


Posted Jul. 21, 2015 at 8:40 PM


NARROWSBURG - Local fishermen and business owners are concerned that drawing down the Cannonsville Reservoir in Deposit could cause a financial blow to businesses along the Delaware River.


The New York City Department of Environmental Protection is currently lowering the reservoir because of a leak in its dam, releasing cold water beneath the surface that eventually reaches the West Branch of the Delaware River. But many who depend on the river for sport and business are worried that once the cold water runs out, the warm water on the surface that follows could devastate the trout habitat.
“This is a big deal,” said Dan Plummer, chairman of the board of directors for the Friends of the Upper Delaware River. “The river is the lifeblood of these communities.”


Trout fishing brings in some $12 million annually in Sullivan County, according to the Sullivan County Visitors Association.


Ken Tutalo, owner of the Baxter House in Roscoe - which offers lodging and guided fly fishing tours on the river, says if there is no rainfall between now and when the cold water is gone, the results could be “catastrophic.”


“People are nervous because of the potential of complete economic loss and loss of actual fishery,” Tutalo said.


The DEP was forced to drain the reservoir earlier this month after workers building a 14-megawatt hydroelectric facility drilled boring holes into a rock embankment of the dam. They pulled out a casing already in place during the process. It forced ground water - including sediment - that was under natural pressure several dozen feet below the surface to flow into the West Branch.


According to DEP Bureau of Water Supply Deputy Commissioner Paul Rush, about 43.6 billion gallons of the water in the reservoir - or about half of it - could be gone by Aug. 18. This would cause the warm water to start flowing from the reservoir and into the river.


But DEP spokesman Adam Bosch says the agency is hoping to release a blend of cold and warm water for the drinking water supply to preserve enough cold water for the river.


But it will need permission from the Federal Energy Regulatory Commission. The hope, according to Bosch, is the dam can be fixed by the time the reservoir is 40 to 50 percent full.


Bosch said most fishermen understand the need to fix the dam and have praised DEP for acting so quickly. “The fishermen we’re talking to actually really do understand that dam safety trumps everything else,” Bosch said.


abeam@th-record.com

Ok so TR question for you.Lets say I'm fishing the No Kill and the dam breaks, will an alarm go off? Do I have time to run up the mountain?

In other words do I have chance?
 
Ok so TR question for you.Lets say I'm fishing the No Kill and the dam breaks, will an alarm go off? Do I have time to run up the mountain?

In other words do I have chance?

------

Hello Joe.

My suggestion would be to contact Paul Rush or Adam Bosch of NYC DEP and ask them since it's New York City's reservoir and they have taken responsibility for this.

IMO, drawing Cannonsville down is the prudent thing to do until they fix this problem.

Hopefully it will be fixed before September. If not, well, talk to them but they really don't have any choice but to draw it down.

People's lives and their property have priority.

BTW. Good dry fly in the Callicoon Pool from 7pm to 9pm. Report on my site.

Tight lines,
TR
 
History shows us a large number of catastrophic failures of dams wiping out entire towns downstream. It pays to be prudent about these things.
 
I read an article the other day that the dam was tested and confirmed to be in good condition/not leaking. Nonetheless, Cannonsville is still being drained despite the fact that the repairs that need to be made don't require the res to be drained. Why- simply so the city can show they are being uber cautious even though the plan is now totally irrational at this point after confirmed findings the dam is fine ?
 
kinda sounding like "Goldie locks and the three bears" This porridge is to hot. This porridge it too cold. This flow it too low! this flow is to high! lol
 
I read an article the other day that the dam was tested and confirmed to be in good condition/not leaking. Nonetheless, Cannonsville is still being drained despite the fact that the repairs that need to be made don't require the res to be drained.

It as more to do with whats going on under the dam rather then the dam itself. Hydrostatic head pressure needs to be relieved from behind the dam to stop the aquifer which is communicating with the reservoir so repairs can begin.
 
I read an article the other day that the dam was tested and confirmed to be in good condition/not leaking. Nonetheless, Cannonsville is still being drained despite the fact that the repairs that need to be made don't require the res to be drained. Why- simply so the city can show they are being uber cautious even though the plan is now totally irrational at this point after confirmed findings the dam is fine ?
I think the prudent path is to be overly cautious. If I were in charge and responsible for 10 of thousands of livesx,and billions of dollars in property I would want to be 100 percent certain the problem was fixed correctly even if that means draining the reservoir. I wouldn't want something tragic to happen ten years down the road because the problem wasn't addressed properly now.
 
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