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Fall Seasonal Removal of Flashboards & Fish Bypass Systems At Crescent Visher Ferry Dam

Connie M. Cullen, NYPA
914-390-8196
Erin Agans, NYS Canal Corp.
518-436-3055

November 4, 2009

FOR IMMEDIATE RELEASE

ALBANY—Workers from the New York Power Authority’s (NYPA) Blenheim-Gilboa Pumped Storage Power Project, North Blenheim, working with the New York State Canal Corporation, will oversee a water drawdown for the seasonal removal of the flashboards and fish bypass systems at Vischer Ferry and Crescent dams beginning on Sunday, Nov. 8.  The Crescent and Vischer Ferry dams are located on the Mohawk River in the Towns of Niskayuna, Clifton Park and Colonie.  The New York State Canal System is scheduled to close on Sunday, Nov. 15. 

The schedule is:

Sunday, November 8            PM water levels at Vischer Ferry drop to elevation 211 feet (ft) by Monday AM. This lowering represents a reduction of approximately 2 ft below water levels normally observed during the canal navigation season.

Monday, November 9           AM water levels at Vischer Ferry rise to 213.3 ft.  AM water levels at Crescent drop to 0.5 ft. below crest, elevation 183.5 ft.  This lowering represents a reduction of approximately 1.5 ft below water levels normally observed during the canal navigation season.  Removal of flashboards at Crescent is completed.  Fish deterrent system will be removed at a later date.  PM water levels at Crescent rises to crest, elevation 184.0 ft. and at Vischer Ferry water level drops to elevation 211.2 ft. through the night.

Tuesday, November 10         AM water levels at Vischer Ferry drop to 0.3 to 0.5 ft. below crest.  This lowering represents a reduction of approximately 2.5 ft below water levels normally observed during the canal navigation season.  Removal of flashboards at Vischer Ferry starts.  PM water levels at Vischer Ferry rise to 0.1 ft. above crest. 

Wednesday, November 11    Flashboard removal suspended for observance of Veterans Day.

Thursday, November 12       AM water levels at Vischer Ferry drop to 0.3 to 0.5 ft. below crest.  This lowering represents a reduction of approximately 2.5 ft below water levels normally observed during the canal navigation season.  Removal of flashboards at Vischer Ferry continues.  PM water levels at Vischer Ferry rise to 0.1 ft. above crest.  

Friday, November 13            AM water levels at Vischer Ferry drop to 0.3 to 0.5 ft. below crest.  This lowering represents a reduction of approximately 2.5 ft below water levels normally observed during the canal navigation season.  Removal of flashboards and fish deterrent systems at Vischer Ferry is completed.  PM water levels at Vischer Ferry return to crest, elevation 211.0 ft.  

Barring any complications or inclement weather, the removal of the flashboards and fish deterrent systems will be completed Friday, Nov. 13.  Unforeseen precipitation and high water conditions may delay this schedule.  Any questions regarding this work should be directed to John Osinski in NYPA’s Albany Office at 518-433-6742.

About NYPA:

■ The New York Power Authority uses no tax money or state credit. It finances its operations through the sale of bonds and revenues earned in large part through sales of electricity. ■ NYPA is a leader in promoting energy efficiency, new energy technologies and electric transportation initiatives. ■ It is the nation's largest state public power organization, with 17 generating facilities in various parts of New York State and more than 1,400 circuit-miles of transmission lines. ■ More than 80 percent of the electricity it produces is clean renewable hydropower.  Its lower-cost power production and electricity purchases support hundreds of thousands of jobs throughout the state. ■For more information, www.nypa.gov.

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