U.S. GEOLOGICAL SURVEY, WRD New York District, Troy, NY WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT FOR SEPTEMBER 2000 Prepared October 3, 2000 Troy Subdistrict--Summary Report Provisional streamflow conditions at all sites monitored and included in this report in eastern New York were in the normal range except at Mohawk River at Cohoes, Wappinger Creek near Wappingers Falls, and Beaver Kill at Cooks Falls. Mean flows at these 3 sites were in the excessive range for the fifth consecutive month. The percent of median flow at Hudson River at Hadley decreased from August to September (273% to 106%) and mean flow at this site was now in the normal range after six consecutive months in the excessive range. Ithaca Subdistrict--Summary Report Provisional streamflow conditions at sites monitored and included in this report for western New York were in the normal range at Chenango River at Chenango Forks, Chemung River at Chemung, and Allegheny River at Salamanca. Streamflow at Susquehanna River at Conklin, Tonawanda Creek at Batavia, and Oatka Creek at Garbutt were in the excessive range. The mean monthly flow at Tonawanda Creek at Batavia was the third highest of record (55 years). Data for Genesee River at Wellsville was unavailable at the time of this report. Coram Subdistrict--Summary Report The Long Island site selected for inclusion in this report is Connetquot Brook near Central Islip. September mean flow was in the normal range for the third consecutive month. ___________________________________________________________________________________________
___________________________________________________________________________________________ Provisional Data for September 2000# INDEX STREAMFLOW STATIONS (Reference period 1961-90)
## Reference period for this site is 1978-99. ** Excessive. # Note: Flow statistics based on data collected through September 30, 2000. MONTHLY MEAN DISCHARGE FOR INDEX STREAMFLOW STATIONS
Provisional Data for September 2000# MEAN FLOW FOR SELECTED GAGING STATIONS Percent of median Flow for month Station (cfs) (period of record) 01321000 Sacandaga River near Hope 339 123 01350000 Schoharie Creek at Prattsville 144 185 01371500 Wallkill River at Gardiner 472 225 **01372500 Wappinger Creek near Wappingers Falls 264 733 01413500 E Br Delaware River at Margaretville 80 167 **01420500 Beaver Kill at Cooks Falls 375 229 01423000 W Br Delaware River at Walton 144 145 01512500 Chenango River near Chenango Forks 636 128 01531000 Chemung River at Chemung 350 91 03011020 Allegheny River at Salamanca 479 105 **04217000 Tonawanda Creek at Batavia 235 967 04221000 Genesee River at Wellsville data unavailable **04230500 Oatka Creek at Garbutt 121 318 04256000 Independence River at Donnattsburg 65 81 ** Excessive LAKES AND RESERVOIRS Elevation & Storage at End of Month Reservoirs (Storage in million cubic feet) Current Year Last Year Average 01314500 Indian Lake nr Indian Lake, NY 3,493 3,477 2,831 01323500 Great Sacandaga Lake at Conklinville 27,280 21,390 21,920 04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft above sea level September 30, 2000 94.85 September 30, 1999 95.55 Average (1939-98) 94.82 Maximum daily 97.79 (1976) Minimum daily 92.91 (1941) New York City reservoir system was at 89.9 percent of capacity on September 30, 2000. Normal for this period is 75.0 percent of capacity. # Note: Flow statistics based on data collected through September 30, 2000. ___________________________________________________________________________________________ Provisional Data for September 2000 INDEX OBSERVATION WELLS The observation-well network generally reflects conditions in water-table sand and gravel aquifers and does not necessarily reflect conditions in confined and bedrock aquifers. Water levels in N1259, N1616, Q1249, Sa-1100, S1806, and S1810 have been affected by changes in ground-water withdrawals or sewering. Departure from Median County Well No. Date Water Level (through 1997) Albany A-636 10/2 9.74 + 0.89 Broome Bm-121 9/27 23.99 + 4.90 Cattaraugus Ct-121 9/21 8.35 + 2.26 Chautauqua Cu-10 9/6 28.67 + 7.13 Chemung Cm-46 9/27 25.27 - .13 Chenango Cn-12 9/27 9.90 + .24 Cortland C-102 unavailable Dutchess Du-1009 unavailable Kings *K1194 9/27 9.66 + .37 Madison M-178 9/28 8.79 + .97 Nassau *N1259 9/25 45.88 - 4.14 Nassau *N1616 9/25 68.99 - 4.85 Oneida Oe-151 9/11 23.86 + 1.86 Otsego Og-23 9/6 7.30 + 1.60 Queens *Q1249 9/27 25.19 - 5.83 St. Lawrence St-40 9/25 6.47 + 1.32 Saratoga Sa-1100 unavailable Steuben Sb-472 9/28 9.62 + .61 Suffolk *S1806 9/25 52.65 - 1.78 Suffolk *S1810 9/25 50.66 - .07 Suffolk *S1812 9/28 46.18 + .96 Suffolk *S4271 9/27 11.02 + .42 Suffolk *S5517 9/27 41.99 - .86 Suffolk *S8833 9/29 16.35 + .23 Wyoming Wo-4 9/13 13.13 + .42 * Water level in feet below land-surface datum unless site noted with * which indicates reference to sea level.
