U.S. GEOLOGICAL SURVEY, WRD New York District, Troy, NY WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT FOR APRIL 2000 Prepared May 2, 2000 Troy Subdistrict--Summary Report Provisional streamflow conditions at sites monitored and included in this report in eastern New York were in the normal range except at Hudson River at Hadley and West Branch Delaware River at Walton. Mean flows at these 2 sites were in the excessive range. Precipitation was above normal in the Capital Region for April (4.24 in., normal = 2.89 in.) and for the year to date (14.3 in., normal = 10.45 in.). Conditions were in the excessive range for the second consecutive month at Hadley and the third consecutive month at Walton. Mean flow was now in the normal range at sites west of the Adirondacks in northern New York after 3 consecutive months in the excessive range. Ithaca Subdistrict--Summary Report Provisional mean monthly flows at monitored sites included in this report for western New York were in the normal range at Chenango River near Chenango Forks and Chemung River at Chemung. Sites for Allegheny River at Salamanca, Tonawanda Creek at Batavia, Genesee River at Wellsville, and Oatka Creek at Garbutt returned to the normal range after being deficient the previous month. Susquehanna River at Conklin remained in the excessive range for the third consecutive month. Coram Subdistrict--Summary Report Massapequa Creek at Massapequa was discontinued due to lack of funding. ___________________________________________________________________________________________
___________________________________________________________________________________________ Provisional Data for April 2000# INDEX STREAMFLOW STATIONS (Reference period 1961-90)
~ Site discontinued. ** Excessive. # Note: Flow statistics based on data collected through April 30, 2000. MONTHLY MEAN DISCHARGE FOR INDEX STREAMFLOW STATIONS
Provisional Data for April 2000# MEAN FLOW FOR SELECTED GAGING STATIONS Percent of median Flow for month Station (cfs) (period of record) 01321000 Sacandaga River near Hope 3,310 96 01350000 Schoharie Creek at Prattsville 1,130 111 01371500 Wallkill River at Gardiner 2,020 109 01372500 Wappinger Creek near Wappingers Falls 499 110 01413500 E Br Delaware River at Margaretville 691 103 01420500 Beaver Kill at Cooks Falls 1,090 87 **01423000 W Br Delaware River at Walton 1,730 152 01512500 Chenango River near Chenango Forks 6,230 126 01531000 Chemung River at Chemung 7,140 131 03011020 Allegheny River at Salamanca 5,500 99 04217000 Tonawanda Creek at Batavia 540 132 04221000 Genesee River at Wellsville 819 107 04230500 Oatka Creek at Garbutt 522 104 04256000 Independence River at Donnattsburg 492 100 ** 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 4,702 4,393 4,137 01323500 Great Sacandaga Lake at Conklinville 36,440 30,270 31,500 04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft above sea level April 30, 2000 100.42 April 30, 1999 97.25 Average (1939-98) 98.39 Maximum daily 101.81 (1993) Minimum daily 94.11 (1965) New York City reservoir system was at 96.8 percent of capacity on April 30, 2000. Normal for this period is 99.8 percent of capacity. # Note: Flow statistics based on data collected through April 30, 2000. ___________________________________________________________________________________________ Provisional Data for April 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 4/30 8.02 + 0.54 Broome Bm-121 4/19 17.80 + 4.80 Cattaraugus Ct-121 4/3 5.94 - .61 Chautauqua Cu-10 4/3 20.76 - 1.31 Chemung Cm-46 unavailable Chenango Cn-12 4/19 6.70 + 1.72 Cortland C-102 4/19 4.17 + .62 Dutchess Du-1009 unavailable Kings K1194 4/27 9.53 + .40 Madison M-178 4/21 5.56 + .70 Nassau N1259 4/19 45.03 - 5.27 Nassau N1616 4/19 68.25 - 5.53 Oneida Oe-151 4/24 15.56 + 2.67 Otsego Og-23 4/19 5.25 - .19 Queens Q1249 4/28 23.69 - 6.03 St. Lawrence St-40 4/24 4.19 + .89 Saratoga Sa-1100 4/26 46.90 +27.96 Steuben Sb-472 unavailable Suffolk S1806 unavailable Suffolk S1810 4/19 49.01 - 1.95 Suffolk S1812 4/27 46.46 - .40 Suffolk S4271 4/26 11.08 + .10 Suffolk S5517 4/26 41.85 - .29 Suffolk S8833 4/27 15.82 - .52 Wyoming Wo-4 4/6 12.10 - .79 * Water level in feet below land-surface datum unless noted with * which indicates reference to sea level.
