U.S. GEOLOGICAL SURVEY

WATER-RESOURCES CONDITIONS IN NEW YORK

OCTOBER 1998




U.S. GEOLOGICAL SURVEY, WRD New York District, Troy, NY WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT FOR OCTOBER 1998 Prepared November 3, 1998 Troy Subdistrict--Summary Report Provisional mean flows in eastern New York ranged from deficient to normal at all sites monitored and included in this report. Streamflow conditions were in the deficient range for the third consecutive month at Mohawk River at Cohoes. The percent of median flow at Schoharie Creek at Prattsville and Beaver Kill at Cooks Falls increased from September to October and these sites were now in the normal range after two consecutive months in the deficient range. Ithaca Subdistrict--Summary Report Provisional monthly flows in western New York for the month of October were in the normal range at Susquehanna River at Conklin, Chemung River at Chemung, Tonawanda Creek at Batavia, and Oatka Creek at Garbutt. Allegheny River at Salamanca remained in the deficient range for the second consecutive month and Genesee River at Wellsville was deficient for the third consecutive month. Coram Subdistrict--Summary Report Provisional mean flow at Massapequa Creek for the month of October was in the deficient range for the third consecutive month. Provisional Data for October 1998# INDEX STREAMFLOW STATIONS (Reference period 1961-90)

* Deficient. @ Many days. # Note: Flow statistics based on data collected through October 31, 1998. MONTHLY MEAN DISCHARGE FOR INDEX STREAMFLOW STATIONS

Provisional Data for October 1998# MEAN FLOW FOR SELECTED GAGING STATIONS Percent of median Flow for month of Oct. Station (cfs) (period of record) 01350000 Schoharie Creek at Prattsville 79 55 *01371500 Wallkill River at Gardiner 142 56 01372500 Wappinger Cr near Wappingers Falls 50 98 01420500 Beaver Kill at Cooks Falls 195 68 01531000 Chemung River at Chemung 345 76 *03011020 Allegheny River at Salamanca 378 44 04217000 Tonawanda Creek at Batavia 41 79 *04221000 Genesee River at Wellsville 38 37 04230500 Oatka Creek at Garbutt 47 95 # Note: Flow statistics based on data collected through October 31, 1998. * Deficient. 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 3,301 3,094 2,655 01323500 Great Sacandaga Lake at Conklinville 19,800 17,680 20,140 04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft above sea level October 31, 1998 95.70 October 31, 1997 94.94 Average (1939-97) 94.85 Maximum daily 99.04 (1978) Minimum daily 92.90 (1942) New York City reservoir system was at 65.2 percent of capacity on October 31, 1998. Normal for this period is 69.0 percent of capacity. Provisional Data for October 1998 INDEX OBSERVATION WELLS Departure from Median County Well No. Date Water Level (through 1997) Albany A-636 10/30 10.73 + 0.15 Broome Bm-121 10/29 25.28 + 3.32 Chemung Cm-46 10/22 25.12 - .28 Chenango Cn-12 10/28 10.37 - .77 Kings K1194 10/29 10.39* + .54 Nassau N1259 10/29 46.53* - 2.28 Nassau N1616 10/29 71.70* - .97 Otsego Og-23 10/28 8.97 - 1.25 Queens Q1249 10/28 21.97* - 8.97 St. Lawrence St-40 10/26 6.36 + 1.33 Saratoga Sa-1100 10/30 80.00 -11.12 Steuben Sb-472 10/23 9.63 + .37 Suffolk S1806 10/29 53.98* + .21 Suffolk S1810 10/29 51.92* + 1.97 Suffolk S1812 10/20 47.93* + 2.85 Suffolk S4271 10/27 12.87* + 2.25 Suffolk S6431 10/27 46.83* + 4.07 Suffolk S8833 10/30 18.65* + 2.67 * Water level in feet below land-surface datum unless noted with * which indicates ref- erence to sea level. Note: Data for Ct-121, Cu-10, C-102, M-178, Oe-151, and Wo-4, unavailable.

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