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New York State Canals

Hinckley Reservoir Water Levels

Information on this page provides current data and operating parameters related to ongoing management of Hinckley Reservoir water levels.
Previous Data - 2009 Data | 2010 Data | 2011 Data | 2012 Data | 2013 Data | 2014 Data

Water Level Data Table
Date Hinckley Reservoir Elevation
(ft)
Hinckley Reservoir
Comparison to Elevation Trigger1
(ft)
Hinckley Reservoir Comparison to Normal Elevation2
(ft)
Hinckley Reservoir
Discharge
(cfs)3
2012 Operating Diagram Release4
(cfs)
Hinckley Reservoir Inflow
(cfs)
Hinckley Reservoir
30-Day Running Average Inflow5
(cfs)
Wilmurt Streamgage Flow
(cfs)
Mohawk Valley Water Authority Withdrawal
(cfs)
Delta Reservoir Elevation
(ft)
Delta Reservoir Discharge
(cfs)
Nine Mile Feeder Discharge
(cfs)
07/05/20151224.48.43.287315004111312.0671N/AN/AN/AN/A
07/04/20151224.88.63.588115004491320.0N/A31.6N/AN/AN/A
07/03/20151225.18.73.7107415007741335.098334.4N/AN/AN/A
07/02/20151225.48.83.81765150018661354.0149032.6N/AN/AN/A
07/01/20151225.38.63.61586148017211363.0N/A34.0N/AN/AN/A
06/30/20151225.28.33.31617148016341376.0115033.0N/AN/AN/A
06/29/20151225.28.13.21302148016711357.0137033.6N/AN/AN/A
06/28/20151224.97.72.790994011101316.087531.0N/AN/AN/A
06/27/20151224.87.42.69139406821290.056432.6N/AN/AN/A
06/26/20151225.07.42.79709408381278.082735.2N/AN/AN/A
06/25/20151225.17.32.7119294012941260.01260N/A550.672453
06/24/20151225.17.22.61426140026521224.02300N/AN/AN/AN/A
06/23/20151224.26.11.51418140024321144.02410N/AN/AN/AN/A
06/22/20151223.55.20.81475140013161074.0969N/AN/AN/AN/A
06/21/20151223.65.10.91567158013091038.01040N/AN/AN/AN/A
06/20/20151223.85.20.9157415808541007.0N/AN/AN/AN/AN/A
06/19/20151224.45.61.415861580859993.067934.2550.239853
06/18/20151225.06.01.813671580835982.077057.4N/AN/AN/A
NY Power Authority Comments: The MVWA withdrawal of 57.4 is a SCADA error, according to MVWA.
06/17/20151225.46.22.1130111101370972.0111032.4N/AN/AN/A
06/16/20151225.46.02.0139511101397942.01030N/A550.462653
06/15/20151225.45.92.1142511101258912.098633.7N/AN/AN/A
06/14/20151225.55.82.210225601325892.01060N/AN/AN/AN/A
06/13/20151225.35.41.96205602082873.01610N/AN/AN/AN/A
06/12/20151224.34.20.85745601232843.0917N/AN/AN/AN/A
06/11/20151223.83.60.25785601816861.01340N/AN/AN/AN/A
06/10/20151222.92.5-0.85695602911870.02220N/A550.044953
06/09/20151221.10.5-2.75515601787797.01340N/A548.728053
NY Power Authority Comments: On June 9, the reservoir elevation rose above the elevation trigger. The low elevation trigger is DE-ACTIVATED. Normal monitoring of Hinckley reservoir has resumed.
06/08/20151220.2-0.6-3.6562560627755.036734.7N/AN/AN/A
06/07/20151220.2-0.8-3.8531530413751.030633.5N/AN/AN/A
06/06/20151220.3-0.8-3.7531530444756.038832.0N/AN/AN/A
06/05/20151220.4-0.9-3.7531530658763.048633.3548.724653
06/04/20151220.3-1.2-3.9531530904766.070235.9548.825953
06/03/20151220.0-1.6-4.35285101350762.01070N/AN/AN/AN/A
06/02/20151219.4-2.4-4.85215102132748.0153032.2N/AN/AN/A
06/01/20151218.1-3.9-6.15135102113709.01560N/A548.825953
05/31/20151216.8-5.2-7.45415401057677.0765N/AN/AN/AN/A
05/30/20151216.4-5.6-7.8541540431698.0211N/AN/AN/AN/A
05/29/20151216.5-5.5-7.7546540322739.0236N/AN/AN/AN/A
05/28/20151216.7-5.3-7.6548540351785.0279N/A547.724353
05/27/20151216.9-5.1-7.4613620272821.017334.9547.924353
05/26/20151217.2-4.8-7.1613620240857.017434.6N/AN/AN/A
05/25/20151217.6-4.4-6.8617620241898.018432.0N/AN/AN/A
05/24/20151217.9-4.1-6.5727720319945.019832.7N/AN/AN/A
05/23/20151218.3-3.7-6.17317202601010.0N/AN/AN/AN/AN/A
05/22/20151218.7-3.3-5.77307203751112.025632.8548.425353
05/21/20151219.0-3.0-5.57287204301264.0302N/A548.525353
05/20/20151219.3-2.7-5.28598505291427.0357N/A548.628353
05/19/20151219.6-2.4-4.98508505181507.0387N/A548.632453
05/18/20151219.9-2.1-4.68608504661620.0345N/AN/AN/AN/A
05/17/20151220.2-1.8-4.38908805231753.0410N/AN/AN/AN/A
05/16/20151220.5-1.5-4.08908806451884.0N/AN/AN/AN/AN/A
05/15/20151220.7-1.3-3.98898807672010.061734.1548.827653
05/14/20151220.9-1.1-3.794888011662175.086234.2548.927653
05/13/20151220.7-1.3-3.81070106017772352.0125034.2N/AN/AN/A
05/12/20151220.2-1.8-4.21061106020932399.0150034.6N/AN/AN/A
05/11/20151219.4-2.6-5.0116310607122427.034133.9548.943974
05/10/20151219.8-2.2-4.5130613305152531.031535.4N/AN/AN/A
05/09/20151220.4-1.6-3.8131413305132581.034836.9N/AN/AN/A
05/08/20151221.1-0.9-3.2132113305722613.039836.2549.42430
05/07/20151221.7-0.3-2.6141513306572646.046235.7N/AN/AN/A
NY Power Authority Comments: As of May 7, the Hinckley reservoir elevation trigger became ACTIVATED. Routine Communication Protocols are in effect.
05/06/20151222.30.3-2.1139314007552663.054037.9549.62430
05/05/20151222.80.8-1.6139414007822677.061934.0N/AN/AN/A
05/04/20151223.31.3-1.1139014009362704.0704N/AN/AN/AN/A
05/03/20151223.71.7-0.7137514009512725.080835.2N/AN/AN/A
05/02/20151224.02.0-0.31378140011472717.0941N/AN/AN/AN/A
05/01/20151224.22.20.11376140016852691.0110036.8N/AN/AN/A
04/30/20151224.3N/A0.41549140016752646.0127035.0N/AN/AN/A
04/29/20151224.2N/A0.41793180016882600.0132035.0N/AN/AN/A
04/28/20151224.3N/A0.71798180014292557.0109034.9N/AN/AN/A
04/27/20151224.6N/A1.21803180013692521.0101034.5N/AN/AN/A
04/26/20151224.9N/A1.71843180014702490.0112033.5N/AN/AN/A
04/25/20151225.2N/A2.42170180016262456.0N/A33.4N/AN/AN/A
04/24/20151225.6N/A3.22962180022792413.0184035.1N/AN/AN/A
04/23/20151226.2N/A4.44189180033252346.0289034.4N/AN/AN/A
04/22/20151226.8N/A5.85067140049222243.0449034.9N/AN/AN/A
04/21/20151226.9N/A6.63739140053342087.0568035.1N/AN/AN/A
04/20/20151225.8N/A6.01957140029231919.0304035.5N/AN/AN/A
04/19/20151225.1N/A5.91587140039151830.0334035.5N/AN/AN/A
NY Power Authority Comments: The Canal Corporation directed NYPA to return to the Operating Diagram release (1400 cfs) at 9am on April 19.
04/18/20151223.4N/A4.61858140044631711.0N/A35.3N/AN/AN/A
04/17/20151221.4N/A3.21905140044481573.03630N/AN/AN/AN/A
04/16/20151219.4N/A2.11903140044131437.0318035.4N/AN/AN/A
04/15/20151217.4N/A1.0186595057151302.0408037.6N/AN/AN/A
04/14/20151214.0N/A-1.6161295064781120.0449036.5N/AN/AN/A
NY Power Authority Comments: The Canal Corporation directed NYPA to release 1800 cfs out of Hinckley reservoir.
04/13/20151209.4N/A-5.414759503202914.0211034.9N/AN/AN/A
04/12/20151207.7N/A-6.515058202937817.0172035.5N/AN/AN/A
04/11/20151206.2N/A-7.310468203812731.0240033.5N/AN/AN/A
NY Power Authority Comments: The Canal Corporation directed NYPA to increase the rate of release from Hinckley Reservoir from the 820 cfs rate specified by the 2012 Operating Diagram to 1,450 cfs, in order to payback for discharge below the Operating Diagram that took place from Feb 21 to Apr 3.
04/10/20151203.2N/A-9.68268202020616.0130035.6N/AN/AN/A
04/09/20151201.8N/A-10.58338201476558.084334.8N/AN/AN/A
04/08/20151201.0N/A-10.75845701576514.095335.8N/AN/AN/A
04/07/20151199.8N/A-11.15785701149468.072835.3N/AN/AN/A
04/06/20151199.1N/A-11.05775701191438.0718N/AN/AN/AN/A
04/05/20151198.3N/A-10.95825701585406.0972N/AN/AN/AN/A
04/04/20151197.0N/A-11.25815701576362.0N/AN/AN/AN/AN/A
04/03/20151195.6N/A-11.6514570706317.0427N/AN/AN/AN/A
NY Power Authority Comments: The Hinckley release reverted back to the Operating Diagram discharge (570 cfs) at 9:15am.
04/02/20151195.3N/A-10.9361570371302.0190N/AN/AN/AN/A
04/01/20151195.3N/A-10.0297550311297.0186N/AN/AN/AN/A
03/31/20151195.3N/A-9.1297550317299.0183N/AN/AN/AN/A
03/30/20151195.3N/A-8.2297550386297.0190N/AN/AN/AN/A
03/29/20151195.2N/A-7.5297550353292.0204N/AN/AN/AN/A
03/28/20151195.2N/A-6.6296550450288.0N/AN/AN/AN/AN/A
03/27/20151195.0N/A-6.0295550431287.0224N/AN/AN/AN/A
03/26/20151194.8N/A-5.8294550333281.0-999999N/AN/AN/AN/A
03/25/20151194.8N/A-5.4294570285278.0-999999N/AN/AN/AN/A
03/24/20151194.8N/A-5.2295570237279.0-999999N/AN/AN/AN/A
03/23/20151195.0N/A-4.9311570236280.0-999999N/AN/AN/AN/A
03/22/20151195.1N/A-4.6337550278279.0-999999N/AN/AN/AN/A
03/21/20151195.2N/A-4.4338550262277.0-99999936.3N/AN/AN/A
03/20/20151195.4N/A-4.0296550359275.0-99999935.9N/AN/AN/A
03/19/20151195.3N/A-4.2235550317271.0-999999N/AN/AN/AN/A
03/18/20151195.2N/A-4.1235560356266.0-999999N/AN/AN/AN/A
03/17/20151195.1N/A-4.0234560355260.0-999999N/AN/AN/AN/A
03/16/20151194.9N/A-4.2261560284256.0-999999N/AN/AN/AN/A
03/15/20151194.9N/A-4.1304530278253.0-999999N/AN/AN/AN/A
03/14/20151195.0N/A-3.8359530300252.0-999999N/AN/AN/AN/A
03/13/20151195.1N/A-3.6291530358250.0-999999N/AN/AN/AN/A
03/12/20151195.0N/A-3.6122530372245.0-999999N/AN/AN/AN/A
NY Power Authority Comments: The Canal Corp directed NYPA to maintain a Hinckley reservoir elevation of 1195 feet, by releasing water to match inflow. When the inflow exceeds the Operating Diagram release which is likely in the upcoming days, the Hinckley release will revert back to the Operating Diagram.
03/11/20151194.7N/A-4.0121500254240.0-999999N/AN/AN/AN/A
03/10/20151194.6N/A-4.1121500170239.0-999999N/AN/AN/AN/A
03/09/20151194.5N/A-4.2121500196241.0-999999N/AN/AN/AN/A
03/08/20151194.4N/A-4.2121460246243.0-999999N/AN/AN/AN/A
03/07/20151194.3N/A-4.4120460247242.0-999999N/AN/AN/AN/A
03/06/20151194.1N/A-4.4120460246241.0N/AN/AN/AN/AN/A
03/05/20151194.0N/A-4.5120460245241.0-999999N/AN/AN/AN/A
03/04/20151193.8N/A-5.0119400254241.0-99999938.7N/AN/AN/A
03/03/20151193.6N/A-5.5119400219236.0-99999938.7N/AN/AN/A
03/02/20151193.5N/A-5.9119400370235.0-999999N/AN/AN/AN/A
03/01/20151193.4N/A-6.2118370241232.0-99999938.6N/AN/AN/A
02/28/20151193.2N/A-6.6118370242228.0-99999938.5N/AN/AN/A
02/27/20151193.0N/A-6.9117370227230.0-99999938.5N/AN/AN/A
02/26/20151192.9N/A-7.2117370424229.0-99999938.4N/AN/AN/A
02/25/20151192.7N/A-7.7126375254222.0-99999938.4N/AN/AN/A
02/24/20151192.6N/A-8.0126375254221.0-99999938.3N/AN/AN/A
02/23/20151192.4N/A-8.3125375304222.0-99999938.2N/AN/AN/A
02/22/20151192.2N/A-8.6125530281219.0-99999938.2N/AN/AN/A
02/21/20151191.9N/A-9.2256530193221.0-99999938.1N/AN/AN/A
NY Power Authority Comments: Canal Corporation directed NYPA to reduce the Hinckley discharge to 120 cfs. The discharge was reduced to 120 cfs at noon on Sat Feb 21.
02/20/20151192.1N/A-9.4534530202223.0-99999936.2N/AN/AN/A
NY Power Authority Comments: The Canal Corporation instructed NYPA to match reservoir inflow with outflow, in order to maintain an elevation of 1192 feet. This will take effect at 7am Sat Feb 21.
02/19/20151192.7N/A-9.1586530231227.0-99999934.2N/AN/AN/A
02/18/20151193.3N/A-8.7659650217231.0-99999938.8N/AN/AN/A
02/17/20151194.0N/A-8.1654650179236.0-99999937.9N/AN/AN/A
02/16/20151194.8N/A-7.6635650163242.0-99999935.2N/AN/AN/A
02/15/20151195.5N/A-7.2716710239247.0-99999935.2N/AN/AN/A
02/14/20151196.2N/A-6.8709710212252.0N/A34.8N/AN/AN/A
02/13/20151197.0N/A-6.5722710231258.0-99999936.0N/AN/AN/A
02/12/20151197.7N/A-6.1713710233265.0-99999936.6N/AN/AN/A
02/11/20151198.4N/A-5.8750760204272.0-99999937.2N/AN/AN/A
02/10/20151199.2N/A-5.4761760240286.0-999999N/AN/AN/AN/A
02/09/20151199.8N/A-5.2764760231293.0-999999N/AN/AN/AN/A
02/08/20151200.6N/A-4.8798810234302.0-999999N/AN/AN/AN/A
02/07/20151201.3N/A-4.5810810233316.0N/AN/AN/AN/AN/A
02/06/20151202.0N/A-4.1808810219327.0N/AN/AN/AN/AN/A
02/05/20151202.8N/A-3.7811810231349.0-999999N/AN/AN/AN/A
02/04/20151203.5N/A-3.2850860237383.0440N/AN/AN/AN/A
02/03/20151204.2N/A-2.7876860247434.0414N/AN/AN/AN/A
02/02/20151204.9N/A-2.288686095465.0261N/AN/AN/AN/A
02/01/20151205.8N/A-1.6948900209488.0267N/AN/AN/AN/A
01/31/20151206.7N/A-0.9941900265502.0327N/AN/AN/AN/A
01/30/20151207.4N/A-0.5953900129517.025337.6N/AN/AN/A
01/29/20151208.3N/A0.2924900300544.038234.9N/AN/AN/A
01/28/20151208.9N/A0.6941950184574.039436.3N/AN/AN/A
01/27/20151209.7N/A1.3953950232635.033536.0N/AN/AN/A
01/26/20151210.4N/A2.0967950208700.041436.0N/AN/AN/A
01/25/20151211.2N/A2.6989980295781.027936.4N/AN/AN/A
01/24/20151211.9N/A3.2980980222952.030434.6N/AN/AN/A
01/23/20151212.6N/A4.09819803171283.030636.5N/AN/AN/A
01/22/20151213.3N/A4.79969802691382.030537.7N/AN/AN/A
01/21/20151214.0N/A5.0102410203131395.041036.6N/AN/AN/A
01/20/20151214.6N/A5.5100810203701401.033435.2N/AN/AN/A
01/19/20151215.2N/A5.9103610203621404.0N/A38.0N/AN/AN/A
01/18/20151215.8N/A6.4105510603441408.037934.2N/AN/AN/A
01/17/20151216.4N/A6.7105210603321423.0N/A34.8N/AN/AN/A
01/16/20151217.1N/A7.2106310603621439.038032.0N/AN/AN/A
01/15/20151217.7N/A7.6121310604151446.042835.6N/AN/AN/A
NY Power Authority Comments: Beginning on or about January 15, the Wilmurt gage was affected by ice. The Wilmurt flow was reading too high and as such, appears higher than the Hinckley reservoir inflow. The Wilmurt gage remains ice affected into February.
01/14/20151218.4N/A8.0141214004241448.040134.1N/AN/AN/A
01/13/20151219.2N/A8.5140314004591450.041537.7N/AN/AN/A
01/12/20151220.0N/A9.1138914006161451.047836.6N/AN/AN/A
01/11/20151220.6N/A9.4138114004421449.052834.1N/AN/AN/A
01/10/20151221.4N/A9.9138914005001453.0N/A36.0N/AN/AN/A
01/09/20151222.1N/A10.4139514006551460.0N/A36.4N/AN/AN/A
01/08/20151222.7N/A10.8139614005841461.058734.8N/AN/AN/A
01/07/20151223.3N/A11.3139914008711463.0738N/AN/AN/AN/A
01/06/20151223.7N/A11.51404140012321453.0964N/AN/AN/AN/A
01/05/20151223.9N/A11.61405140017861440.01310N/AN/AN/AN/A
01/04/20151223.6N/A11.31389140011841406.0843N/AN/AN/AN/A
01/03/20151223.8N/A11.5139014007591387.047833.5N/AN/AN/A
01/02/20151224.3N/A12.0125314006491388.0N/A33.2N/AN/AN/A
01/01/20151224.7N/A12.4107214007181411.064635.3N/AN/AN/A
NY Power Authority Comments: The actual discharge is less than the Operating Diagram release, because the manual adjustment of the outlet#4 valve was delayed one day. The adjustment was delayed so that the manual operation of the valve could take place during normal working hours on Jan 2.

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1 The Elevation Trigger is invoked when Hinckley Reservoir elevation falls below the 10% historical low level. The elevation trigger is 1222 feet in May, 1198 feet October 15 to December 31 and linearly interpolated from 1222 feet on May 31 and 1198 feet on October 15.

2 "Normal" Hinckley Reservoir elevations for a given date are based upon the average of 59 years of daily Hinckley Reservoir elevation data (1942-1979 and 1987-2007).

3 cfs is the abbreviation for cubic feet per second.

4 The 2012 Operating Diagram establishes the rate of release of water from Hinckley Reservoir based upon varying reservoir levels throughout the year.  Image of the 2012 Operating Diagram.

5 The Inflow Trigger is invoked when the 30-day running average Hinckley Reservoir inflow is below 300 cfs.

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