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Hinckley Reservoir Water Levels

Information on this page provides current data and operating parameters related to ongoing management of Hinckley Reservoir water levels.
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2019 Water Level Data Table
Date Hinckley Reservoir Elevation
(ft)
Hinckley Reservoir
Comparison to Elevation Trigger
(ft)1
Hinckley Reservoir Comparison to Normal Elevation
(ft)2
Hinckley Reservoir
Discharge
(cfs)3
2012 Operating Diagram Release
(cfs)4
Hinckley Reservoir Inflow
(cfs)
Hinckley Reservoir
30-Day Running Average Inflow
(cfs)5
Wilmurt Streamgage Flow
(cfs)6
Black Creek Flow
(cfs)
Mohawk Valley Water Authority Withdrawal
(cfs)
Delta Reservoir Elevation
(ft)
Delta Reservoir Discharge
(cfs)
Nine Mile Feeder Discharge
(cfs)
12/03 1217.4 19.4 3.4 951 950 798 1008.0 N/A N/A N/A N/A N/A N/A
12/02 1217.5 19.5 3.4 952 950 857 1004.0 N/A N/A 29.8 N/A N/A N/A
12/01 1217.6 19.6 3.6 955 950 801 1278.0 N/A N/A 28.7 N/A N/A N/A
11/30 1217.8 19.8 4.0 954 950 1092 2154.0 N/A N/A 27.6 N/A N/A N/A
11/29 1217.7 19.7 4.1 958 950 1760 2199.0 N/A N/A 30.7 N/A N/A N/A
11/28 1217.0 19.0 3.6 955 950 2114 2187.0 N/A N/A 31.3 N/A N/A N/A
11/27 1216.0 18.0 2.9 966 960 931 2185.0 N/A N/A 27.1 N/A N/A N/A
11/26 1216.1 18.0 3.0 964 960 759 2266.0 N/A N/A 30.9 N/A N/A N/A
11/25 1216.3 18.2 3.4 964 960 872 2315.0 N/A N/A 30.9 N/A N/A N/A
11/24 1216.4 18.4 3.7 968 970 876 2321.0 N/A N/A 30.0 N/A N/A N/A
11/23 1216.5 18.5 3.8 973 970 1023 2338.0 N/A N/A 30.4 N/A N/A N/A
11/22 1216.4 18.5 4.0 973 970 765 2362.0 N/A N/A 29.6 N/A N/A N/A
11/21 1216.6 18.6 4.3 976 970 768 2408.0 N/A N/A 32.2 N/A N/A N/A
11/20 1216.8 18.8 4.8 1105 1300 896 2419.0 N/A N/A 27.7 N/A N/A N/A
11/19 1217.0 19.0 5.1 1098 1300 744 2430.0 N/A N/A 25.3 N/A N/A N/A
11/18 1217.3 19.3 5.5 1104 1300 660 2459.0 N/A N/A 25.4 N/A N/A N/A
NY Power Authority Comments : Brookfield has requested to reduce the daily release rate to 1100 cfs in order to safely remove the accumulated debris from their Prospect and Trenton Falls Dams. The deviation from the Operating Diagram took effect from Nov 18 to Nov 20.
11/17 1217.7 19.8 6.0 1396 1400 418 2540.0 N/A N/A 25.6 N/A N/A N/A
11/16 1218.6 20.6 7.0 1399 1400 555 2746.0 N/A N/A 25.4 N/A N/A N/A
11/15 1219.3 21.3 7.8 1398 1400 664 2957.0 N/A N/A 26.1 N/A N/A N/A
11/14 1219.9 21.9 8.4 1406 1400 571 2954.0 N/A N/A 27.0 N/A N/A N/A
11/13 1220.6 22.6 9.0 1798 1400 468 2948.0 N/A N/A 26.8 N/A N/A N/A
11/12 1221.6 23.6 10.1 1798 1400 708 2948.0 N/A N/A 28.0 N/A N/A N/A
11/11 1222.5 24.5 11.1 1782 1400 1066 2943.0 N/A N/A 28.8 N/A N/A N/A
11/10 1223.1 25.1 11.8 1793 1570 842 2929.0 N/A N/A 27.8 N/A N/A N/A
11/09 1223.8 25.8 12.7 1799 1570 902 2927.0 N/A N/A 27.7 N/A N/A N/A
11/08 1224.5 26.4 13.7 1804 1570 1162 2936.0 N/A N/A 30.2 N/A N/A N/A
11/07 1225.0 26.9 14.1 1809 1570 1396 2965.0 N/A N/A 28.2 N/A N/A N/A
11/06 1225.3 27.3 14.7 1938 1800 1959 3045.0 N/A N/A 29.0 N/A N/A N/A
NY Power Authority Comments : On November 6th the Canal Corporation has provided concurrence to increase the release rate from Hinckley Reservoir above the rate specified by the 2012 Operating Diagram of 1,570 cfs to approximately 1,800 cfs.
11/05 1225.3 27.3 14.8 2380 1800 1864 3058.0 N/A N/A 29.3 N/A N/A N/A
11/04 1225.7 27.6 15.2 3229 1800 1960 3017.0 N/A N/A 28.9 N/A N/A N/A
11/03 1226.6 28.6 16.3 6595 1760 668 2978.0 N/A N/A 28.7 N/A N/A N/A
NY Power Authority Comments : To alleviate flooding impacts associated with the Hinckley Reservoir, the Jarvis project was shut down on Friday afternoon (11/1) at approximately 1400, as an emergency failure was declared at the Trenton Falls project downstream of Hinckley Reservoir. The Jarvis project returned to service on Sunday afternoon (11/3) at approximately 1600.
11/02 1228.1 30.1 17.7 12970 1760 9088 2989.0 N/A N/A 28.6 N/A N/A N/A
11/01 1230.8 32.8 20.4 18290 1760 27086 2725.0 N/A N/A 29.0 N/A N/A N/A
10/31 1225.1 27.1 14.6 1732 1760 2426 1878.0 N/A N/A 30.0 N/A N/A N/A
10/30 1224.6 26.6 14.0 2578 1530 1403 1826.0 N/A N/A 30.6 N/A N/A N/A
NY Power Authority Comments : On October 30th at approximately 5 PM,the Canal Corporation has provided concurrence to increase the release rate from Hinckley Reservoir above the rate specified by the 2012 Operating Diagram of 1,530 cfs to approximately 2,500 cfs, the combined capacity of the two generation units and the bypass valve fully opened (as of 10/30 at 6 PM) to minimize, to the extent possible, the flood impacts associated with Hinckley Reservoir.
10/29 1225.5 27.5 14.8 2719 1530 2069 1787.0 N/A N/A 30.0 N/A N/A N/A
10/28 1226.0 28.0 15.2 2553 1530 3353 1729.0 N/A N/A 29.9 N/A N/A N/A
10/27 1225.4 27.4 14.7 1475 1430 2234 1627.0 N/A N/A 29.5 N/A N/A N/A
10/26 1224.9 26.9 14.3 1447 1430 1038 1566.0 N/A N/A 30.2 N/A N/A N/A
10/25 1225.2 27.1 14.5 1573 1430 1397 1541.0 N/A N/A 29.9 N/A N/A N/A
10/24 1225.3 27.4 14.9 1777 1430 1735 1509.0 N/A N/A 30.0 N/A N/A N/A
10/23 1225.4 27.4 14.8 1562 1400 2155 1463.0 N/A N/A 30.9 N/A N/A N/A
10/22 1225.0 27.0 14.5 1493 1400 1085 1401.0 N/A N/A 30.9 N/A N/A N/A
10/21 1225.3 27.3 14.9 1750 1400 1237 1371.0 N/A N/A 34.6 N/A N/A N/A
10/20 1225.7 27.7 15.5 1821 880 1610 1336.0 N/A N/A 26.1 N/A N/A N/A
10/19 1225.8 27.8 15.7 1356 880 3086 1289.0 N/A N/A 28.8 N/A N/A N/A
10/18 1224.6 26.6 14.6 891 880 6611 1192.0 N/A N/A 31.3 549.6 647 52
10/17 1220.2 22.2 10.4 891 880 6890 978.0 N/A N/A 28.8 549.0 707 52
10/16 1215.2 17.2 5.4 901 900 551 758.0 N/A N/A 28.4 548.1 600 52
10/15 1215.6 17.6 5.8 903 900 408 751.0 N/A N/A 30.4 548.5 600 52
10/14 1216.0 17.8 6.3 896 900 469 748.0 N/A N/A 28.6 548.8 600 52
10/13 1216.4 18.0 6.6 820 820 561 746.0 N/A N/A 25.6 549.1 600 52
10/12 1216.6 18.2 6.8 822 820 647 744.0 N/A N/A 29.9 549.4 600 52
10/11 1216.8 18.1 6.8 827 820 766 743.0 N/A N/A 29.4 549.8 605 52
10/10 1216.9 18.0 6.8 826 820 1166 734.0 N/A N/A 26.7 550.0 265 52
10/09 1216.6 17.5 6.6 725 720 2047 703.0 N/A N/A 28.4 550.1 243 52
10/08 1215.5 16.3 5.5 722 720 3781 646.0 N/A N/A 28.5 549.9 222 52
10/07 1212.8 13.4 2.8 721 720 2351 531.0 N/A N/A 27.4 549.1 343 52
10/06 1211.2 11.6 1.2 585 580 636 469.0 N/A N/A 27.5 548.7 199 52
10/05 1211.2 11.4 1.0 582 580 810 468.0 N/A N/A 26.4 548.7 202 52
10/04 1211.0 11.1 0.7 584 580 987 473.0 N/A N/A 28.3 548.7 210 52
10/03 1210.6 10.6 0.2 581 580 1180 475.0 N/A N/A 30.0 548.6 202 52
10/02 1210.1 9.8 -0.4 610 610 1664 482.0 N/A N/A 29.5 548.5 207 52
10/01 1209.1 -41.5 -51.5 666 610 866 464.0 N/A N/A 29.6 548.4 210 52
09/30 1208.8 8.2 -1.8 615 610 231 446.0 N/A N/A 26.9 548.4 199 52
09/29 1209.3 8.4 -1.5 612 610 323 452.0 N/A N/A 28.3 548.5 199 52
09/28 1209.6 8.6 -1.0 615 610 298 462.0 N/A N/A 27.8 548.5 199 52
09/27 1209.9 8.7 -0.6 612 610 412 479.0 N/A N/A 27.5 548.6 199 52
09/26 1210.1 8.8 -0.3 611 610 290 480.0 N/A N/A 29.5 548.6 199 52
09/25 1210.5 9.0 -0.1 671 670 423 480.0 N/A N/A 30.2 548.6 199 52
09/24 1210.8 9.0 0.0 675 670 375 475.0 N/A N/A 29.4 548.6 199 52
09/23 1211.1 9.2 0.3 682 670 277 479.0 N/A N/A 26.4 548.5 196 52
09/22 1211.5 9.4 0.8 716 710 199 485.0 N/A N/A 28.4 548.6 196 52
09/21 1212.0 9.8 1.3 705 710 186 497.0 N/A N/A 29.3 548.6 196 52
09/20 1212.5 10.1 1.8 712 710 187 523.0 N/A N/A 28.5 548.7 196 52
09/19 1213.0 10.4 2.4 715 710 184 545.0 N/A N/A 30.6 548.8 196 52
09/18 1213.6 10.8 3.0 684 740 201 568.0 N/A N/A 29.8 548.9 196 52
09/17 1214.0 11.1 3.3 741 740 280 609.0 N/A N/A 29.8 549.0 199 52
09/16 1214.5 11.3 3.7 760 740 349 655.0 N/A N/A 27.2 549.0 199 52
09/15 1214.8 11.6 4.0 740 750 298 662.0 N/A N/A 27.5 549.1 199 52
09/14 1215.3 11.8 4.4 762 750 428 663.0 N/A N/A 27.6 549.2 199 52
09/13 1215.6 12.0 4.7 768 750 488 658.0 N/A N/A 28.7 549.2 199 52
09/12 1215.8 12.0 5.0 769 750 629 653.0 N/A N/A 27.9 549.2 199 52
09/11 1216.0 12.0 4.9 807 800 496 643.0 N/A N/A 28.3 549.2 199 52
09/10 1216.3 12.1 5.0 796 800 226 636.0 N/A N/A 27.6 549.2 199 52
09/09 1216.8 12.4 5.3 791 800 330 642.0 N/A N/A 26.5 549.2 199 52
09/08 1217.2 12.7 5.4 694 710 346 646.0 N/A N/A 27.3 549.3 199 52
09/07 1217.5 12.8 5.5 716 710 482 666.0 N/A N/A 28.6 549.3 196 52
09/06 1217.8 12.8 5.5 712 710 623 687.0 N/A N/A 28.0 549.4 199 52
09/05 1217.9 12.7 5.4 713 710 945 676.0 N/A N/A 27.3 549.4 199 52
09/04 1217.7 12.5 5.1 658 660 1035 650.0 N/A N/A 26.7 549.3 210 52
09/03 1217.4 12.0 4.7 658 660 1406 622.0 N/A N/A 25.7 549.3 216 52
09/02 1216.8 11.2 3.9 694 660 1121 580.0 N/A N/A 26.2 548.7 255 52
09/01 1216.4 10.6 3.4 666 650 323 549.0 N/A N/A 27.0 548.3 205 52
08/31 1216.8 10.9 3.8 662 650 409 544.0 N/A N/A 26.5 548.3 205 52
08/30 1217.0 10.9 3.9 645 650 621 542.0 N/A N/A 28.2 548.4 210 52
08/29 1217.0 10.8 3.8 426 650 804 536.0 N/A N/A 27.8 548.4 216 52
NY Power Authority Comments : The repair work on the Outlet #4 valve was completed on August 29th. Jarvis resumed normal operations on Friday, August 30th (the scheduled outage event ended early).
08/28 1216.8 10.3 3.5 648 650 444 518.0 N/A N/A 27.7 547.9 210 52
08/27 1217.0 10.4 3.4 657 650 288 509.0 N/A N/A 26.8 547.9 202 52
08/26 1217.3 10.5 3.5 644 650 272 506.0 N/A N/A 25.7 548.0 202 52
08/25 1217.6 10.6 3.5 576 570 494 506.0 N/A N/A 27.2 548.1 202 52
08/24 1217.7 10.6 3.5 576 570 464 498.0 N/A N/A 26.6 548.2 202 52
08/23 1217.9 10.5 3.5 596 570 571 491.0 N/A N/A 28.4 548.3 205 52
08/22 1217.9 10.4 3.4 554 570 967 488.0 N/A N/A 28.9 548.4 207 52
08/21 1217.6 9.9 2.9 396 400 835 476.0 N/A N/A 27.4 548.4 205 52
NY Power Authority Comments : NYPA scheduled outages at Jarvis on the following days, from 7 AM to 4 PM each day, in order to repair the leakage through the Outlet #4 valve (roughly 20 CFS leakage). Wednesday, August 21, 2019 Thursday, August 22, 2019 Friday, August 23, 2019 Monday, August 26, 2019 Tuesday, August 27, 2019 Wednesday, August 28, 2019 Thursday, August 29, 2019 Friday, August 30, 2019 Tuesday, September 3, 2019 Wednesday, September 4, 2019 Thursday, September 5, 2019 The leakage through the Outlet #4 valve was stopped on 8/20 at approximately 2 PM, and should not return.
08/20 1217.2 9.3 2.3 394 400 888 464.0 N/A N/A 27.2 548.4 205 52
08/19 1216.8 8.7 1.7 402 400 1430 446.0 N/A N/A 26.1 548.5 207 52
08/18 1216.0 7.8 0.7 405 400 1664 409.0 N/A N/A 27.6 548.5 202 52
08/17 1214.9 6.5 -0.6 404 400 548 370.0 N/A N/A 29.2 548.5 202 23
08/16 1214.8 6.2 -0.9 403 400 327 372.0 N/A N/A 29.4 548.6 202 23
08/15 1214.9 6.2 -1.0 403 400 271 379.0 N/A N/A 30.2 548.6 202 23
08/14 1215.1 6.1 -1.0 418 400 341 378.0 N/A N/A 26.7 548.7 202 23
08/13 1215.2 6.1 -0.9 403 400 334 374.0 N/A N/A 26.6 548.8 202 23
08/12 1215.3 6.0 -1.0 401 400 296 376.0 N/A N/A 28.7 548.9 202 23
08/11 1215.4 5.9 -0.9 377 400 383 380.0 N/A N/A 27.9 549.0 205 23
08/10 1215.4 5.8 -1.0 374 400 464 389.0 N/A N/A 28.6 549.1 205 22
08/09 1215.4 5.6 -1.1 409 400 941 383.0 N/A N/A 27.3 549.1 205 23
08/08 1214.9 5.0 -1.8 378 400 1123 361.0 N/A N/A 27.1 549.2 205 23
08/07 1214.3 4.1 -2.5 463 400 279 332.0 N/A N/A 32.6 549.1 205 23
08/06 1214.5 4.1 -2.5 408 400 169 334.0 N/A N/A 30.1 549.1 205 23
08/05 1214.7 4.2 -2.4 411 400 197 343.0 N/A N/A 25.5 549.2 205 23
08/04 1215.0 4.3 -2.2 474 460 148 349.0 N/A N/A 28.6 549.3 205 23
08/03 1215.3 4.4 -2.1 472 460 200 357.0 N/A N/A 30.7 549.4 205 23
08/02 1215.5 4.5 -1.9 476 460 174 363.0 N/A N/A 28.8 549.5 207 23
08/01 1215.8 4.6 -1.9 470 460 336 374.0 N/A N/A 30.3 549.6 207 23
07/31 1216.0 4.6 -1.7 573 500 438 379.0 N/A 30 31.1 549.6 207 23
07/30 1216.1 4.5 -1.8 461 500 268 385.0 127 29 27.6 549.6 207 23
07/29 1216.3 4.5 -1.7 505 500 169 396.0 104 29 28.0 549.7 207 23
07/28 1216.6 4.7 -1.5 506 500 196 409.0 106 33 30.5 549.7 210 23
07/27 1216.9 4.8 -1.4 498 500 273 423.0 118 35 30.5 549.8 210 23
07/26 1217.2 4.9 -1.2 506 500 251 437.0 138 45 30.6 549.9 216 23
07/25 1217.4 4.9 -1.2 502 500 275 453.0 181 45 28.5 550.0 237 23
07/24 1217.6 5.0 -1.1 518 510 465 470.0 252 63 27.9 550.0 275 23
07/23 1217.7 4.9 -1.2 469 510 619 482.0 377 96 30.4 550.1 313 23
07/22 1217.6 4.6 -1.4 512 510 459 497.0 233 56 31.3 550.0 255 24
07/21 1217.7 4.5 -1.4 530 520 360 539.0 233 46 31.5 550.1 306 23
07/20 1217.8 4.5 -1.3 525 520 325 631.0 195 48 29.9 550.1 306 23
07/19 1218.0 4.6 -1.4 531 520 477 669.0 243 66 30.4 550.2 391 23
07/18 1218.1 4.4 -1.5 502 520 624 680.0 367 134 29.2 550.3 498 23
07/17 1218.0 4.1 -1.8 558 550 533 693.0 227 118 32.9 549.9 216 23
07/16 1218.1 4.0 -1.8 561 550 242 723.0 138 26 30.2 549.8 205 23
07/15 1218.4 4.2 -1.6 563 550 212 757.0 165 29 N/A 549.8 205 23
07/14 1218.7 4.3 -1.4 558 550 384 791.0 212 34 27.0 549.9 210 24
07/13 1218.9 4.3 -1.3 557 550 442 817.0 306 40 32.6 549.9 210 24
07/12 1219.0 4.1 -1.3 558 550 651 838.0 396 47 32.7 549.7 207 23
07/11 1218.9 4.0 -1.4 574 550 279 867.0 136 27 32.3 549.0 202 24
07/10 1219.2 4.1 -1.3 591 580 265 915.0 145 29 31.3 549.1 171 23
07/09 1219.5 4.2 -1.1 590 580 261 931.0 170 32 30.9 549.2 243 23
07/08 1219.8 4.3 -1.0 583 580 343 952.0 218 37 28.9 549.3 246 23
07/07 1220.0 4.4 -1.0 586 580 437 976.0 326 45 28.0 549.4 246 23
07/06 1220.2 4.3 -1.0 589 580 379 1014.0 236 N/A 29.4 549.5 246 23
07/05 1220.4 4.3 -0.9 588 580 377 1066.0 199 46 31.0 549.6 246 23
07/04 1220.5 4.4 -0.7 603 580 391 1084.0 230 54 30.6 549.7 246 23
07/03 1220.7 4.4 -0.6 833 820 496 1098.0 284 66 30.4 549.7 246 25
07/02 1221.0 4.5 -0.6 830 820 491 1110.0 298 68 28.5 549.8 246 25
07/01 1221.3 4.6 -0.4 828 820 612 1125.0 352 N/A 27.9 549.9 249 25
06/30 1221.5 4.6 -0.4 1201 1200 607 1136.0 333 93 28.6 549.9 255 25
06/29 1222.0 4.9 0.0 1203 1200 572 1150.0 N/A N/A 30.6 549.9 252 25
06/28 1222.5 5.3 0.3 1203 1200 598 1175.0 335 N/A 29.8 550.0 265 25
06/27 1223.0 5.6 0.8 1201 1200 688 1209.0 424 119 29.8 550.1 296 25
06/26 1223.4 5.8 1.1 1398 1400 749 1227.0 454 129 30.1 550.1 336 52
06/25 1223.9 6.1 1.5 1405 1400 784 1240.0 452 140 N/A 550.2 383 25
06/24 1224.4 6.5 1.9 1408 1400 815 1262.0 511 148 28.9 550.3 489 52
06/23 1224.9 6.8 2.2 1445 1400 1080 1279.0 691 222 27.6 550.5 690 25
06/22 1225.2 5.9 2.5 1566 1400 1702 1294.0 1060 486 28.7 550.8 1150 26
06/21 1225.1 6.6 2.4 1411 1400 3129 1277.0 1810 960 30.3 551.2 1760 25
06/20 1223.9 5.3 1.0 1403 1400 1471 1227.0 1020 535 29.8 550.2 470 24
06/19 1223.8 5.0 0.8 1400 1400 812 1275.0 N/A N/A 29.8 550.2 351 25
06/18 1224.3 5.3 1.1 1377 1400 1016 1385.0 579 213 29.3 550.2 421 25
06/17 1224.6 5.4 1.3 1409 1400 1411 1400.0 889 359 27.2 550.3 513 25
06/16 1224.6 5.2 1.3 1114 1100 1281 1395.0 819 303 27.0 550.3 498 24
06/15 1224.5 5.0 1.2 1112 1100 1213 1397.0 821 237 26.2 550.3 479 25
06/14 1224.5 4.8 1.2 1109 1100 1177 1417.0 789 226 29.7 550.3 456 25
06/13 1224.4 4.6 1.1 1110 1100 1079 1464.0 743 191 28.2 550.3 452 25
06/12 1224.5 4.4 1.0 1114 1120 1512 1515.0 1040 293 27.4 550.4 574 25
06/11 1224.2 4.0 0.6 1122 1120 1714 1535.0 1240 399 30.8 550.4 579 25
06/10 1223.8 3.4 0.1 1113 1120 755 1575.0 466 97 29.0 550.1 282 25
06/09 1224.1 3.5 0.3 938 930 874 1738.0 570 119 29.5 550.1 324 24
06/08 1224.2 3.4 0.4 939 930 1073 1847.0 757 176 28.2 550.2 399 24
06/07 1224.1 3.3 0.3 940 930 1563 1847.0 1060 289 29.0 550.4 513 0
06/06 1223.7 2.6 -0.3 936 930 1941 1834.0 1380 492 28.4 550.4 600 0
06/05 1222.9 1.6 -1.2 1159 1170 936 1811.0 666 137 29.0 550.1 328 0
06/04 1223.1 1.6 -1.1 1261 1170 811 1828.0 532 111 30.5 550.2 339 0
06/03 1223.5 1.9 -0.8 1166 1170 843 1857.0 607 140 28.8 550.2 399 0
06/02 1223.8 2.0 -0.4 1069 1070 941 1901.0 646 141 29.4 550.2 387 0
06/01 1223.9 1.9 -0.3 1072 1070 943 1927.0 644 128 28.2 550.2 404 0
05/31 1224.0 2.0 -0.2 1077 1070 1043 1939.0 783 156 28.6 550.3 494 0
NY Power Authority Comments : The New York State Canal Corporation has authorized the New York Power Authority to increase the Hinckley Reservoir release rate from 1,520 cfs as specified by the 2012 Operating Diagram to 1,800 cfs beginning at midnight, Wednesday, May 22nd and return to the OD diagram on May 23rd for the next scheduling period.
05/30 1224.1 2.1 -0.1 1078 1070 1306 1947.0 977 207 29.4 550.5 620 0
05/29 1223.9 1.9 -0.3 1406 1400 1634 1948.0 1190 278 29.8 550.5 718 0
05/28 1223.8 1.8 -0.5 1403 1400 1206 1960.0 857 198 27.9 550.3 434 0
05/27 1223.9 1.9 -0.4 1406 1400 1143 2024.0 896 201 26.0 550.4 558 0
05/26 1224.2 2.2 -0.1 1787 1800 1454 2127.0 1060 270 28.6 550.5 657 0
05/25 1224.4 2.5 0.1 1966 1800 1335 2158.0 977 234 29.5 550.5 590 0
05/24 1224.9 2.9 0.5 1465 1800 1530 2185.0 1170 294 31.4 550.5 696 0
05/23 1224.9 2.9 0.5 1669 1800 1167 2224.0 994 239 29.5 550.4 620 0
05/22 1225.3 3.3 0.9 2458 1520 1648 2280.0 1250 378 32.6 550.6 857 0
NY Power Authority Comments : The New York State Canal Corporation has authorized the New York Power Authority to increase the Hinckley Reservoir release rate from 1,520 cfs as specified by the 2012 Operating Diagram to 1,800 cfs beginning at midnight, Wednesday, May 22nd and return to the OD diagram on May 23rd for the next scheduling period.
05/21 1225.9 3.9 1.4 2950 1520 2915 2361.0 1840 767 30.0 550.9 1240 0
05/20 1226.0 3.9 1.4 1959 1520 4096 2508.0 2820 985 29.8 551.3 1810 0
05/19 1224.4 2.4 -0.1 1738 1740 1473 2714.0 1070 314 28.9 550.3 484 0
05/18 1224.6 2.6 0.1 1689 1740 1257 2792.0 1010 215 31.6 550.4 528 0
05/17 1225.0 3.0 0.5 1864 1740 1328 2847.0 1170 265 31.0 550.4 925 0
05/16 1225.4 3.4 0.9 2433 1740 1826 2918.0 1390 363 29.9 550.6 1180 0
05/15 1225.9 3.9 1.3 2629 1340 2593 3046.0 1820 609 30.6 551.0 1640 0
05/14 1225.9 3.9 1.3 2350 1340 2619 3216.0 1880 645 31.0 551.0 1700 0
05/13 1225.7 3.7 1.2 2548 1340 2106 3341.0 N/A N/A 30.7 550.6 1150 0
05/12 1226.1 4.1 1.7 3751 1400 2896 3465.0 1910 622 29.4 550.7 1250 0
05/11 1226.7 4.7 2.3 4174 1400 5668 3451.0 3560 1120 30.5 551.1 1850 0
05/10 1225.7 3.7 1.4 1482 1400 4132 3391.0 3360 724 31.4 549.6 867 0
05/09 1223.7 1.7 -0.5 1405 1400 1078 3482.0 795 154 31.3 549.1 574 0
05/08 1224.0 2.0 -0.3 1407 1400 1177 3676.0 968 204 32.2 549.2 579 0
05/07 1224.2 2.2 -0.1 1405 1400 1239 3743.0 972 188 30.8 549.2 579 0
05/06 1224.4 2.3 -0.1 1401 1400 1433 3739.0 1110 204 28.4 549.3 579 0
05/05 1224.4 2.4 0.0 1823 1400 1690 3724.0 1390 236 28.1 549.4 579 0
05/04 1224.5 2.5 0.1 1812 1400 2162 3706.0 1800 328 28.6 549.3 579 0
05/03 1224.2 2.2 -0.2 1767 1400 1733 3675.0 1400 290 33.9 549.0 925 0
05/02 1224.3 2.3 0.0 1757 1400 1294 3663.0 1090 242 28.4 549.1 916 0
NY Power Authority Comments : The Canal Corporation has authorized the New York Power Authority to maintain the Hinckley Reservoir release rate of 1,800 cfs through the next scheduling period beginning Thursday, May 2nd; operation of Hinckley Reservoir will revert to the 2012 Operating Diagram for the scheduling period beginning May 6th.
05/01 1224.6 2.6 0.6 1759 1600 1293 3680.0 1050 217 29.8 549.3 911 0
04/30 1225.0 N/A 1.1 1941 1600 1333 3748.0 1230 246 30.4 549.6 916 0
04/29 1225.5 N/A 1.7 2630 1600 1983 3774.0 1610 345 28.1 549.8 920 0
NY Power Authority Comments : The Canal Corporation has authorized the New York Power Authority to maintain the Hinckley Reservoir release rate of 1,800 cfs through the next scheduling period beginning Monday, April 29th.
04/28 1226.0 N/A 2.4 3589 1800 3141 3744.0 2440 577 26.8 550.0 940 0
04/27 1226.3 N/A 2.9 3251 1800 4226 3664.0 3540 720 29.3 549.8 955 0
04/26 1225.6 N/A 2.4 2190 1800 2385 3542.0 2030 385 29.3 548.7 351 0
04/25 1225.5 N/A 2.6 2548 1800 2137 3481.0 N/A 326 29.0 548.6 332 0
04/24 1225.8 N/A 3.4 2876 1680 2709 3433.0 2440 447 29.9 548.4 347 0
04/23 1225.9 N/A 4.1 3456 1680 2837 3370.0 2440 407 26.7 548.2 328 0
04/22 1226.4 N/A 5.4 5097 1680 4095 3303.0 3130 N/A 28.2 548.0 955 0
NY Power Authority Comments : As of Monday morning at 0830, the Canal Corporation has determined the flood peak has passed, and instructed the New York Power Authority that all flow will be through generation, at 1,800 cfs.
04/21 1227.1 N/A 6.8 8443 1400 7323 3201.0 5350 1030 28.1 548.2 960 0
04/20 1227.9 N/A 8.1 7397 1400 10280 2988.0 9170 1210 16.9 547.8 1020 0
04/19 1225.9 N/A 6.7 3269 1400 3802 2672.0 3240 639 17.3 546.2 1510 0
04/18 1225.6 N/A 6.8 3377 1400 2898 2572.0 2440 584 29.6 546.9 1510 0
04/17 1225.9 N/A 7.7 4178 1400 3457 2508.0 2640 715 29.2 547.7 1530 0
04/16 1226.4 N/A 9.1 5165 1400 5669 2436.0 3970 1050 25.9 548.2 1540 0
04/15 1226.1 N/A 9.7 2802 1400 7698 2308.0 6000 1200 28.0 548.1 1580 0
04/14 1222.5 N/A 6.9 2555 1400 6366 2123.0 4430 1070 26.4 547.9 1530 0
04/13 1219.5 N/A 4.6 2343 1400 5832 1934.0 4490 1040 30.3 548.1 1530 0
04/12 1216.6 N/A 2.4 1938 1400 2476 1753.0 1880 526 29.2 548.3 1440 0
NY Power Authority Comments : The Canal Corporation has authorized a deviation from the 2012 Operating Diagram, to 2500 cfs, beginning early afternoon on Friday, April 12.
04/11 1216.2 N/A 2.7 1408 1400 3868 1680.0 2280 727 29.6 548.8 1450 0
04/10 1214.0 N/A 1.2 860 850 6846 1561.0 3940 1120 29.6 549.1 1050 0
04/09 1208.3 N/A -4.0 870 850 6919 1342.0 4420 1170 N/A 546.2 1050 0
04/08 1201.6 N/A -10.1 830 850 3176 1121.0 2400 716 N/A 546.2 1050 0
NY Power Authority Comments : The Canal Corporation has ended the deviation returning to the 2012 Operating Diagram, on Monday, April 8th, for which the OD release is 850 cfs.
04/07 1198.7 N/A -12.2 1395 860 1127 1026.0 818 261 N/A 546.2 1040 0
04/06 1199.0 N/A -11.0 1394 860 972 998.0 741 214 N/A 546.2 1030 0
04/05 1199.6 N/A -9.6 1453 860 1156 977.0 789 227 N/A 546.2 1030 0
04/04 1200.0 N/A -8.2 1401 860 1237 949.0 888 254 N/A 546.5 1040 0
04/03 1200.3 N/A -6.8 1406 760 1376 920.0 1010 279 N/A 546.6 1040 0
04/02 1200.3 N/A -5.9 1217 760 1798 886.0 1210 355 29.4 546.8 1040 0
04/01 1199.6 N/A -5.6 1412 760 3329 840.0 1720 -999999 29.4 547.0 1040 0
03/31 1198.0 N/A -6.4 1401 880 2115 743.0 1590 -999999 29.4 546.5 1060 0
03/30 1197.1 N/A -6.4 1291 880 1086 687.0 812 -999999 29.4 545.8 1040 0
03/29 1197.4 N/A -5.3 1408 880 751 667.0 551 -999999 29.4 545.6 268 0
03/28 1198.3 N/A -3.4 1411 880 566 659.0 452 -999999 26.0 545.2 252 0
03/27 1199.5 N/A -1.5 1199 880 556 663.0 454 -999999 30.3 545.1 249 0
03/26 1200.3 N/A -0.3 879 880 670 662.0 482 -999999 30.1 544.9 252 0
NY Power Authority Comments : The Canal Corporation has authorized a deviation from the 2012 Operating Diagram, to 1400 cfs, beginning Wednesday, 3/27 at 9 AM.
03/25 1200.6 N/A 0.4 882 880 847 653.0 515 -999999 30.1 544.7 255 0
03/24 1200.7 N/A 0.8 863 860 808 639.0 544 -999999 29.1 544.3 255 0
03/23 1200.8 N/A 0.9 866 860 1026 625.0 599 -999999 30.4 544.0 272 0
03/22 1200.6 N/A 1.0 857 860 957 604.0 596 -999999 30.6 543.2 313 0
03/21 1200.5 N/A 0.9 863 860 789 587.0 534 -999999 30.6 542.7 252 0
03/20 1200.7 N/A 1.3 593 590 810 574.0 571 -999999 30.6 N/A N/A N/A
03/19 1200.4 N/A 0.9 595 590 982 568.0 667 -999999 30.3 542.5 243 0
03/18 1200.0 N/A 0.6 593 590 1275 555.0 840 -999999 30.3 542.3 1000 0
03/17 1199.1 N/A 0.0 757 740 1835 536.0 1140 -999999 N/A 542.7 1030 0
03/16 1197.7 N/A -1.4 741 740 2144 502.0 1410 -999999 N/A 542.8 1050 0
03/15 1195.7 N/A -3.3 734 740 707 459.0 690 -999999 N/A 542.2 1010 0
03/14 1195.8 N/A -3.0 737 740 388 466.0 334 -999999 N/A 542.8 595 0
03/13 1196.3 N/A -2.4 908 930 309 494.0 361 -999999 N/A 543.2 231 0
03/12 1197.2 N/A -1.4 952 930 280 531.0 365 -999999 N/A 543.3 231 0
03/11 1198.2 N/A -0.5 947 930 288 600.0 -999999 -999999 32.7 N/A N/A N/A
03/10 1199.1 N/A 0.4 961 1040 287 699.0 -999999 -999999 32.8 543.3 231 0
03/09 1199.9 N/A 1.2 1023 1040 332 790.0 -999999 -999999 32.8 543.4 231 0
03/08 1200.8 N/A 2.3 1042 1040 292 839.0 -999999 -999999 31.0 543.4 231 0
03/07 1201.8 N/A 3.1 1043 1040 330 878.0 -999999 -999999 32.1 543.5 234 0
03/06 1202.7 N/A 4.2 1459 1400 328 895.0 -999999 -999999 31.6 543.6 234 0
03/05 1204.0 N/A 5.5 1381 1400 341 903.0 -999999 -999999 31.3 543.6 234 0
03/04 1205.2 N/A 6.4 1390 1400 363 910.0 -999999 -999999 32.2 543.7 234 0
03/03 1206.4 N/A 7.2 1389 1400 424 913.0 4310 -999999 33.0 543.7 234 0
03/02 1207.4 N/A 8.0 1396 1400 430 917.0 1580 -999999 31.7 543.7 234 0
03/01 1208.4 N/A 8.8 1394 1400 427 923.0 3110 -999999 32.4 543.7 234 0
02/28 1209.4 N/A 9.6 1382 1400 493 936.0 958 -999999 31.2 543.7 237 0
02/27 1210.3 N/A 10.5 1398 1400 515 859.0 992 -999999 31.6 543.7 237 0
02/26 1211.2 N/A 11.1 1395 1400 675 1052.0 1100 -999999 32.4 543.6 240 0
02/25 1211.9 N/A 11.5 1497 1400 514 1063.0 1080 -999999 31.3 543.5 243 0
02/24 1212.6 N/A 12.0 1378 1400 421 1116.0 846 -999999 30.7 543.2 231 0
02/23 1213.6 N/A 12.9 1385 1400 409 1294.0 1060 -999999 32.0 543.2 231 0
02/22 1214.5 N/A 13.7 1380 1400 385 1395.0 1320 -999999 30.1 543.2 514 0
02/21 1215.4 N/A 14.3 1389 1400 403 1393.0 1640 -999999 31.8 543.5 514 0
02/20 1216.2 N/A 14.7 1382 1400 436 1390.0 2140 -999999 31.8 543.8 519 0
02/19 1217.1 N/A 15.3 1401 1400 409 1385.0 1500 -999999 32.0 544.1 523 0
02/18 1217.9 N/A 15.9 1397 1400 626 1387.0 1050 -999999 30.4 544.4 523 0
02/17 1218.6 N/A 16.5 1397 1400 586 1379.0 1320 -999999 N/A 544.7 523 0
02/16 1219.3 N/A 16.8 1395 1400 725 1373.0 674 -999999 N/A 544.9 523 0
02/15 1219.8 N/A 17.1 1397 1400 811 1361.0 956 -999999 N/A 545.1 330 0
02/14 1220.3 N/A 17.2 1403 1400 843 1348.0 885 -999999 32.7 545.2 333 0
02/13 1220.8 N/A 17.3 1405 1400 933 1336.0 745 -999999 32.0 545.2 333 0
02/12 1221.2 N/A 17.3 1405 1400 1211 1318.0 825 -999999 N/A 545.1 333 0
02/11 1221.4 N/A 17.2 1415 1400 1439 1293.0 1110 -999999 32.3 545.1 340 0
02/10 1221.4 N/A 16.8 1419 1400 2342 1259.0 1510 -999999 30.2 545.0 347 0
02/09 1220.6 N/A 15.7 1419 1400 3267 1201.0 2290 -999999 31.9 544.7 354 0
02/08 1219.2 N/A 13.8 1444 1400 3008 1121.0 2330 -999999 32.7 543.3 354 0
02/07 1217.9 N/A 12.1 1404 1400 1807 1050.0 1380 489 32.6 541.8 270 0
02/06 1217.6 N/A 11.5 1398 1400 1451 1014.0 1210 415 33.3 541.1 261 0
02/05 1217.6 N/A 11.0 1387 1400 856 982.0 789 298 32.4 540.3 273 0
02/04 1218.0 N/A 11.3 1387 1400 555 980.0 532 223 32.2 540.0 233 0
02/03 1218.7 N/A 11.8 1394 1020 551 992.0 520 223 31.1 540.9 1220 0
02/02 1219.4 N/A 12.4 1403 1020 456 1012.0 532 223 34.1 541.9 1220 0
02/01 1220.2 N/A 12.8 1152 1020 531 1053.0 539 229 34.1 542.9 1220 0
NY Power Authority Comments : The New York State Canal Corporation has authorized the New York Power Authority to increase the Hinckley Reservoir release rate from 1,020 cfs, as specified by the 2012 Operating Diagram, to 1,400 cfs. beginning on Wednesday, January 30th at 8 AM; however, at the request of Brookfield, the flow change did not take effect until Friday, Feb 1 at 4 PM.
01/31 1220.7 N/A 13.2 1025 1020 615 1120.0 562 240 32.0 543.8 1230 0
01/30 1221.1 N/A 13.2 1029 1020 834 1190.0 645 281 31.4 544.6 519 0
01/29 1221.2 N/A 13.1 983 1020 -1822 1202.0 810 332 30.7 544.8 514 0
01/28 1223.4 N/A 15.1 870 1020 6300 1350.0 998 445 32.6 545.0 239 0
01/27 1219.2 N/A 10.8 969 950 992 1262.0 1390 710 N/A 544.8 244 0
01/26 1219.2 N/A 10.7 964 950 2116 1292.0 2000 1010 31.8 N/A N/A N/A
01/25 1218.2 N/A 9.6 987 950 5774 1246.0 N/A 1430 29.9 N/A N/A N/A
01/24 1214.1 N/A 5.4 1058 950 3437 1077.0 N/A 728 33.6 N/A N/A N/A
01/23 1211.9 N/A 3.4 987 1000 307 1002.0 N/A 98 18.5 N/A N/A N/A
01/22 1212.6 N/A 4.0 1396 1000 305 1059.0 N/A 96 29.8 N/A N/A N/A
01/21 1213.6 N/A 4.7 1393 1000 305 1166.0 N/A 98 N/A N/A N/A N/A
01/20 1214.6 N/A 5.6 1193 1030 472 1357.0 N/A 89 28.8 N/A N/A N/A