## Hinckley Reservoir Water Levels

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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

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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|

02/27/2015 | 1193.0 | N/A | -6.9 | 117 | 370 | 202 | 229.0 | -999999 | N/A | N/A | N/A | N/A |

02/26/2015 | 1192.9 | N/A | -7.2 | 117 | 370 | 424 | 229.0 | -999999 | 38.4 | N/A | N/A | N/A |

02/25/2015 | 1192.7 | N/A | -7.7 | 126 | 375 | 254 | 222.0 | -999999 | 38.4 | N/A | N/A | N/A |

02/24/2015 | 1192.6 | N/A | -8.0 | 126 | 375 | 254 | 221.0 | -999999 | 38.3 | N/A | N/A | N/A |

02/23/2015 | 1192.4 | N/A | -8.3 | 125 | 375 | 304 | 222.0 | -999999 | 38.2 | N/A | N/A | N/A |

02/22/2015 | 1192.2 | N/A | -8.6 | 125 | 530 | 281 | 219.0 | -999999 | 38.2 | N/A | N/A | N/A |

02/21/2015 | 1191.9 | N/A | -9.2 | 256 | 530 | 193 | 221.0 | -999999 | 38.1 | N/A | N/A | N/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. | ||||||||||||

02/20/2015 | 1192.1 | N/A | -9.4 | 534 | 530 | 202 | 223.0 | -999999 | 36.2 | N/A | N/A | N/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. | ||||||||||||

02/19/2015 | 1192.7 | N/A | -9.1 | 586 | 530 | 231 | 227.0 | -999999 | 34.2 | N/A | N/A | N/A |

02/18/2015 | 1193.3 | N/A | -8.7 | 659 | 650 | 217 | 231.0 | -999999 | 38.8 | N/A | N/A | N/A |

02/17/2015 | 1194.0 | N/A | -8.1 | 654 | 650 | 179 | 236.0 | -999999 | 37.9 | N/A | N/A | N/A |

02/16/2015 | 1194.8 | N/A | -7.6 | 635 | 650 | 163 | 242.0 | -999999 | 35.2 | N/A | N/A | N/A |

02/15/2015 | 1195.5 | N/A | -7.2 | 716 | 710 | 239 | 247.0 | -999999 | 35.2 | N/A | N/A | N/A |

02/14/2015 | 1196.2 | N/A | -6.8 | 709 | 710 | 212 | 252.0 | N/A | 34.8 | N/A | N/A | N/A |

02/13/2015 | 1197.0 | N/A | -6.5 | 722 | 710 | 231 | 258.0 | -999999 | 36.0 | N/A | N/A | N/A |

02/12/2015 | 1197.7 | N/A | -6.1 | 713 | 710 | 233 | 265.0 | -999999 | 36.6 | N/A | N/A | N/A |

02/11/2015 | 1198.4 | N/A | -5.8 | 750 | 760 | 204 | 272.0 | -999999 | 37.2 | N/A | N/A | N/A |

02/10/2015 | 1199.2 | N/A | -5.4 | 761 | 760 | 240 | 286.0 | -999999 | N/A | N/A | N/A | N/A |

02/09/2015 | 1199.8 | N/A | -5.2 | 764 | 760 | 231 | 293.0 | -999999 | N/A | N/A | N/A | N/A |

02/08/2015 | 1200.6 | N/A | -4.8 | 798 | 810 | 234 | 302.0 | -999999 | N/A | N/A | N/A | N/A |

02/07/2015 | 1201.3 | N/A | -4.5 | 810 | 810 | 233 | 316.0 | N/A | N/A | N/A | N/A | N/A |

02/06/2015 | 1202.0 | N/A | -4.1 | 808 | 810 | 219 | 327.0 | N/A | N/A | N/A | N/A | N/A |

02/05/2015 | 1202.8 | N/A | -3.7 | 811 | 810 | 231 | 349.0 | -999999 | N/A | N/A | N/A | N/A |

02/04/2015 | 1203.5 | N/A | -3.2 | 850 | 860 | 237 | 383.0 | 440 | N/A | N/A | N/A | N/A |

02/03/2015 | 1204.2 | N/A | -2.7 | 876 | 860 | 247 | 434.0 | 414 | N/A | N/A | N/A | N/A |

02/02/2015 | 1204.9 | N/A | -2.2 | 886 | 860 | 95 | 465.0 | 261 | N/A | N/A | N/A | N/A |

02/01/2015 | 1205.8 | N/A | -1.6 | 948 | 900 | 209 | 488.0 | 267 | N/A | N/A | N/A | N/A |

01/31/2015 | 1206.7 | N/A | -0.9 | 941 | 900 | 265 | 502.0 | 327 | N/A | N/A | N/A | N/A |

01/30/2015 | 1207.4 | N/A | -0.5 | 953 | 900 | 129 | 517.0 | 253 | 37.6 | N/A | N/A | N/A |

01/29/2015 | 1208.3 | N/A | 0.2 | 924 | 900 | 300 | 544.0 | 382 | 34.9 | N/A | N/A | N/A |

01/28/2015 | 1208.9 | N/A | 0.6 | 941 | 950 | 184 | 574.0 | 394 | 36.3 | N/A | N/A | N/A |

01/27/2015 | 1209.7 | N/A | 1.3 | 953 | 950 | 232 | 635.0 | 335 | 36.0 | N/A | N/A | N/A |

01/26/2015 | 1210.4 | N/A | 2.0 | 967 | 950 | 208 | 700.0 | 414 | 36.0 | N/A | N/A | N/A |

01/25/2015 | 1211.2 | N/A | 2.6 | 989 | 980 | 295 | 781.0 | 279 | 36.4 | N/A | N/A | N/A |

01/24/2015 | 1211.9 | N/A | 3.2 | 980 | 980 | 222 | 952.0 | 304 | 34.6 | N/A | N/A | N/A |

01/23/2015 | 1212.6 | N/A | 4.0 | 981 | 980 | 317 | 1283.0 | 306 | 36.5 | N/A | N/A | N/A |

01/22/2015 | 1213.3 | N/A | 4.7 | 996 | 980 | 269 | 1382.0 | 305 | 37.7 | N/A | N/A | N/A |

01/21/2015 | 1214.0 | N/A | 5.0 | 1024 | 1020 | 313 | 1395.0 | 410 | 36.6 | N/A | N/A | N/A |

01/20/2015 | 1214.6 | N/A | 5.5 | 1008 | 1020 | 370 | 1401.0 | 334 | 35.2 | N/A | N/A | N/A |

01/19/2015 | 1215.2 | N/A | 5.9 | 1036 | 1020 | 362 | 1404.0 | N/A | 38.0 | N/A | N/A | N/A |

01/18/2015 | 1215.8 | N/A | 6.4 | 1055 | 1060 | 344 | 1408.0 | 379 | 34.2 | N/A | N/A | N/A |

01/17/2015 | 1216.4 | N/A | 6.7 | 1052 | 1060 | 332 | 1423.0 | N/A | 34.8 | N/A | N/A | N/A |

01/16/2015 | 1217.1 | N/A | 7.2 | 1063 | 1060 | 362 | 1439.0 | 380 | 32.0 | N/A | N/A | N/A |

01/15/2015 | 1217.7 | N/A | 7.6 | 1213 | 1060 | 415 | 1446.0 | 428 | 35.6 | N/A | N/A | N/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. | ||||||||||||

01/14/2015 | 1218.4 | N/A | 8.0 | 1412 | 1400 | 424 | 1448.0 | 401 | 34.1 | N/A | N/A | N/A |

01/13/2015 | 1219.2 | N/A | 8.5 | 1403 | 1400 | 459 | 1450.0 | 415 | 37.7 | N/A | N/A | N/A |

01/12/2015 | 1220.0 | N/A | 9.1 | 1389 | 1400 | 616 | 1451.0 | 478 | 36.6 | N/A | N/A | N/A |

01/11/2015 | 1220.6 | N/A | 9.4 | 1381 | 1400 | 442 | 1449.0 | 528 | 34.1 | N/A | N/A | N/A |

01/10/2015 | 1221.4 | N/A | 9.9 | 1389 | 1400 | 500 | 1453.0 | N/A | 36.0 | N/A | N/A | N/A |

01/09/2015 | 1222.1 | N/A | 10.4 | 1395 | 1400 | 655 | 1460.0 | N/A | 36.4 | N/A | N/A | N/A |

01/08/2015 | 1222.7 | N/A | 10.8 | 1396 | 1400 | 584 | 1461.0 | 587 | 34.8 | N/A | N/A | N/A |

01/07/2015 | 1223.3 | N/A | 11.3 | 1399 | 1400 | 871 | 1463.0 | 738 | N/A | N/A | N/A | N/A |

01/06/2015 | 1223.7 | N/A | 11.5 | 1404 | 1400 | 1232 | 1453.0 | 964 | N/A | N/A | N/A | N/A |

01/05/2015 | 1223.9 | N/A | 11.6 | 1405 | 1400 | 1786 | 1440.0 | 1310 | N/A | N/A | N/A | N/A |

01/04/2015 | 1223.6 | N/A | 11.3 | 1389 | 1400 | 1184 | 1406.0 | 843 | N/A | N/A | N/A | N/A |

01/03/2015 | 1223.8 | N/A | 11.5 | 1390 | 1400 | 759 | 1387.0 | 478 | 33.5 | N/A | N/A | N/A |

01/02/2015 | 1224.3 | N/A | 12.0 | 1253 | 1400 | 649 | 1388.0 | N/A | 33.2 | N/A | N/A | N/A |

01/01/2015 | 1224.7 | N/A | 12.4 | 1072 | 1400 | 718 | 1411.0 | 646 | 35.3 | N/A | N/A | N/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. |

^{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.