U.S. GEOLOGICAL SURVEY, WRD New York District, Troy, NY WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT FOR JUNE 1999 Prepared July 1, 1999 Troy Subdistrict--Summary Report Provisional mean flows in eastern New York were in the deficient range 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 and Wallkill River at Gardiner and the second consecutive month at Hudson River at Hadley and West Branch Oswegatchie River near Harrisville. The lowest provisional period-of-record (81 years) minimum monthly mean discharge for June was recorded at Mohawk River at Cohoes and second lowest for period-of-record (75 years) at Wallkill River at Gardiner. On June 23 the state Disaster Preparedness Commission issued a drought watch for eastern New York and a drought warning for counties in central New York and the southern tier. Ithaca Subdistrict--Summary Report Provisional mean flows at all monitored sites included in this report for western New York were in the deficient range. Precipitation for June was again below normal throughout the region. The period-of-record lowest provisional monthly mean discharges for June were recorded at Susquehanna River at Conklin, Genesee River at Wellsville, and Chemung River at Chemung. Coram Subdistrict--Summary Report Provisional mean flow at Massapequa Creek at Massapequa was in the deficient range for the fourth consecutive month. A new provisional period-of-record (62 years) minimum daily discharge for June was recorded. ___________________________________________________________________________________________
___________________________________________________________________________________________ Provisional Data for June 1999# INDEX STREAMFLOW STATIONS (Reference period 1961-90)
* Deficient. @ Many days. e Estimate. # Note: Flow statistics based on data collected through June 30, 1999. MONTHLY MEAN DISCHARGE FOR INDEX STREAMFLOW STATIONS
Provisional Data for June 1999# MEAN FLOW FOR SELECTED GAGING STATIONS Percent of median Flow for month Station (cfs) (period of record) *01350000 Schoharie Creek at Prattsville 79 38 *01371500 Wallkill River at Gardiner 107 23 *01372500 Wappinger Cr near Wappingers Falls 63 53 *01420500 Beaver Kill at Cooks Falls 179 61 *01531000 Chemung River at Chemung 243 20 *03011020 Allegheny River at Salamanca 422 31 *04217000 Tonawanda Creek at Batavia 22 28 *04221000 Genesee River at Wellsville 39 20 *04230500 Oatka Creek at Garbutt 53 53 # Note: Flow statistics based on data collected through June 30, 1999. * 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 4,292 4,454 4,500 01323500 Great Sacandaga Lake at Conklinville 30,770 34,300 31,690 04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft above sea level June 30, 1999 94.90 June 30, 1998 98.13 Average (1939-97) 96.87 Maximum daily 101.02 (1947) Minimum daily 94.35 (1965) New York City reservoir system was at 86.4 percent of capacity on June 30, 1999. Normal for this period is 96.3 percent of capacity. ___________________________________________________________________________________________ Provisional Data for June 1999 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 7/1 10.54 - 1.88 Broome Bm-121 6/29 24.60 + 1.32 Cattaraugus Ct-121 6/15 5.91 + .90 Chautauqua Cu-10 6/15 22.73 + 2.95 Chemung Cm-46 6/28 25.10 - .70 Chenango Cn-12 6/29 11.05 - 1.35 Cortland C-102 6/22 7.89 - 2.23 Dutchess Du-1009 6/28 16.98 - 2.71 Kings K1194 6/24 10.05 + .16 Madison M-178 6/14 9.40 - .76 Nassau N1259 6/25 45.65 - 5.47 Nassau N1616 6/25 70.69 - 2.57 Oneida Oe-151 6/29 22.71 - 2.71 Queens Q1249 6/21 19.83 -10.33 St. Lawrence St-40 6/28 6.90 - 1.13 Saratoga Sa-1100 6/28 91.23 -12.73 Steuben Sb-472 6/29 9.98 - 1.01 Suffolk S1806 6/25 53.18 - 2.66 Suffolk S1810 6/25 50.20 - 1.48 Suffolk S1812 6/22 45.31 - 1.69 Suffolk S4271 6/25 11.50 + .35 Suffolk S5517 6/25 43.67 - .19 Suffolk S8833 6/28 16.78 - 1.13 Wyoming Wo-4 6/25 13.37 - .63 * Water level in feet below land-surface datum unless noted with * which indicates reference to sea level. Note: Data for Og-23 unavailable.
