U.S. GEOLOGICAL SURVEY, WRD New York District, Troy, NY WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT FOR AUGUST 2000 Prepared September 5, 2000 Troy Subdistrict--Summary Report Provisional streamflow conditions at all sites monitored and included in this report in eastern New York were in the excessive range. As in the past 4 months, precipitation was above normal in the Capital Region for August (4.70 in., normal = 3.47 in.) and for the year to date (35.13 in., normal = 24.23 in.). The highest provisional period-of-record maximum monthly mean discharge for August was recorded at Hudson River at Hadley (2,950 cfs - previous = 2,720 cfs - 78 years) and Mohawk River at Cohoes (5,140 cfs - previous = 4,090 cfs - 82 years). Also, a new pro- visional period-of-record maximum daily discharge for August was recorded at Mohawk River at Cohoes (16,500 cfs on Aug. 13 - previous was 14,500 cfs in 1975). Conditions were in the excessive range for the sixth consecutive month at Hudson River at Hadley, the fourth consecutive month at Mohawk River at Cohoes, Wappinger Creek near Wappingers Falls, and Beaver Kill at Cooks Falls, and the third consecutive month at Schoharie Creek at Prattsville and Wallkill River at Gardiner. Ithaca Subdistrict--Summary Report Provisional streamflow conditions at sites monitored and included in this report in western New York were in the normal range at Chenango River at Chenango Forks, Chemung River at Chemung, and Genesee River at Wellsville. Streamflow at Tonawanda Creek at Batavia, Oatka Creek at Garbutt, Allegheny River at Salamanca, and Susquehanna River at Conklin all increased to the excessive range for the month of August. Coram Subdistrict--Summary Report Carlls River at Babylon will no longer be used for this report. A new site will be selected. ___________________________________________________________________________________________
___________________________________________________________________________________________ Provisional Data for August 2000# INDEX STREAMFLOW STATIONS (Reference period 1961-90)
** Excessive. # Note: Flow statistics based on data collected through August 31, 2000. MONTHLY MEAN DISCHARGE FOR INDEX STREAMFLOW STATIONS
Provisional Data for August 2000# MEAN FLOW FOR SELECTED GAGING STATIONS Percent of median Flow for month Station (cfs) (period of record) **01321000 Sacandaga River near Hope 946 430 **01350000 Schoharie Creek at Prattsville 231 412 **01371500 Wallkill River at Gardiner 1,300 549 **01372500 Wappinger Creek near Wappingers Falls 169 433 **01413500 E Br Delaware River at Margaretville 137 280 **01420500 Beaver Kill at Cooks Falls 283 204 **01423000 W Br Delaware River at Walton 254 285 01512500 Chenango River near Chenango Forks 679 149 01531000 Chemung River at Chemung 621 155 **03011020 Allegheny River at Salamanca 968 167 **04217000 Tonawanda Creek at Batavia 113 411 04221000 Genesee River at Wellsville 109 182 **04230500 Oatka Creek at Garbutt 86 208 **04256000 Independence River at Donnattsburg 114 173 ** 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 3,889 3,628 3,382 01323500 Great Sacandaga Lake at Conklinville 31,860 23,080 24,750 04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft above sea level August 31, 2000 95.56 August 31, 1999 94.10 Average (1939-98) 95.21 Maximum daily 98.31 (1976) Minimum daily 93.39 (1949) New York City reservoir system was at 94.3 percent of capacity on August 31, 2000. Normal for this period is 81.2 percent of capacity. # Note: Flow statistics based on data collected through August 31, 2000. ___________________________________________________________________________________________ Provisional Data for August 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 9/1 9.20 + 1.06 Broome Bm-121 8/22 23.37 + 5.20 Cattaraugus Ct-121 unavailable Chautauqua Cu-10 unavailable Chemung Cm-46 8/31 25.18 - .18 Chenango Cn-12 8/30 10.46 - .68 Cortland C-102 8/21 6.04 + 1.60 Dutchess Du-1009 unavailable Kings *K1194 8/24 9.30 - .98 Madison M-178 unavailable Nassau *N1259 unavailable Nassau *N1616 8/22 69.16 - 4.66 Oneida Oe-151 8/31 23.26 + 1.18 Otsego Og-23 8/16 5.85 + 3.04 Queens *Q1249 unavailable St. Lawrence St-40 8/28 6.66 + .88 Saratoga Sa-1100 8/23 74.32 - .40 Steuben Sb-472 8/21 9.69 + .50 Suffolk *S1806 8/22 53.03 - 1.14 Suffolk *S1810 8/22 50.82 - .21 Suffolk *S1812 8/31 45.94 + .60 Suffolk *S4271 8/22 11.11 + .63 Suffolk *S5517 8/22 42.25 - 1.86 Suffolk *S8833 8/29 15.68 - 1.66 Wyoming Wo-4 8/23 13.24 + .16 * Water level in feet below land-surface datum unless site noted with * which indicates reference to sea level.
