U.S. GEOLOGICAL SURVEY, WRD New York District, Troy, NY WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT FOR MAY 2002 Prepared June 3, 2002 Troy Subdistrict--Summary Report Provisional streamflow conditions at sites monitored and included in this report in eastern New York were in the normal to excessive range. Generally, above normal precipita- tion for May was recorded throughout this entire area, which should alleviate the drought conditions. The mean flow at Wallkill River at Gardiner was now in the excessive range after 9 consecutive months in the deficient range and the mean flow at Wappinger Creek near Wappingers Falls was in the normal range after being deficient for 7 consecutive months. The total New York City reservoir system was at 82.5 percent of capacity on May 31; normal for this period is 100 percent of capacity. Ithaca Subdistrict--Summary Report Provisional streamflow conditions at sites monitored and included in this report for western New York were in the excessive range at all sites. Coram Subdistrict--Summary Report Mean flow at Connetquot Brook near Central Islip was in the deficient range for the seventh consecutive month. ___________________________________________________________________________________________
___________________________________________________________________________________________ Provisional Data for May 2002 MEAN FLOW FOR SELECTED GAGING STATIONS Period of record Flow Percent Station (to date) (cfs) Exceedence Conditions 01306460 Connetquot Brook nr Central Islip 1978 17 95 Deficient 01318500 Hudson River at Hadley 1921 5,160 45 Normal 01321000 Sacandaga River nr Hope 1911 1,810 40 " 01350000 Schoharie Creek at Prattsville 1902 641 37 " 01357500 Mohawk River at Cohoes 1917 10,100 20 Excessive 01371500 Wallkill River at Gardiner 1924 1,660 23 " 01372500 Wappinger Cr nr Wappingers Falls 1928 344 38 Normal 01413500 E Br Delaware River at Margaretville 1937 493 32 " 01420500 Beaver Kill at Cooks Falls 1913 970 20 Excessive 01423000 W Br Delaware River at Walton 1950 1,140 14 " 01502500 Unadilla River at Rockdale 1930-95,2001 1,540 14 " 01503000 Susquehanna River at Conklin 1912 6,880 12 " 01512500 Chenango River nr Chenango Forks 1912 4,540 12 " 01531000 Chemung River at Chemung 1903 5,640 16 " 03011020 Allegheny River at Salamanca 1903 6,190 8 " 04213500 Cattaraugus Creek at Gowanda 1940-98,2000 1,420 7 " 04217000 Tonawanda Creek at Batavia 1944 484 5 " 04221000 Genesee River at Wellsville 1916 743 15 " 04230500 Oatka Creek at Garbutt 1945 522 6 " 04234000 Fall Creek at Ithaca 1925 390 6 " 04243500 Oneida Creek at Oneida 1950 335 7 " 04256000 Independence River at Donnattsburg 1942 344 19 " 04262500 W Br Oswegatchie R nr Harrisville 1916 991 14 " 04270200 Little Salmon River at Bombay 1958-95,2002 170 25 Normal 04275500 Ausable River at Au Sable Forks 1910-68,1990 1,340 44 " MONTHLY MEAN DISCHARGE FOR SELECTED STREAMFLOW STATIONS
Provisional Data for May 2002 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. Water level in feet below land-surface datum unless site noted with * which indicates reference to sea level. Year record Percent County Well No. began Date Water Level Exceedence Conditions Albany A-636 1974 5/29 10.85 96 Deficient Broome Bm-121 1947 5/28 19.50 5 Excessive Broome Bm-128 1980 5/29 23.27 71 Normal Broome Bm-129 1985 5/29 67.13 15 Excessive Cattaraugus Ct-121 1984 5/28 4.39 79 Deficient Chautauqua Cu-10 1939 5/28 18.74 45 Normal Chemung Cm-46 1955 5/28 23.55 36 " Chenango Cn-12 1975 5/29 8.29 28 " Clinton Cl-145 1992 5/29 22.76 87 Deficient Cortland C-102 1975 5/28 4.46 27 Normal Dutchess Du-1009 1967 5/29 13.07 28 " Kings *K1194 1971 unavailable Madison M-178 1975 5/28 6.42 16 Excessive Nassau *N1259 1962 5/15 41.87 100 Deficient Nassau *N1616 1966 5/15 65.59 100 " Oneida Oe-151 1926 5/29 17.09 42 Normal Otsego Og-23 1953 5/29 5.71 50 " Queens *Q1249 2000 5/22 25.65 - -- Rockland Ro-18 1949 5/28 16.58 79 Deficient St. Lawrence St-40 1953 5/29 5.51 64 Normal Saratoga Sa-1100 1983 5/28 78.67 52 " Steuben Sb-472 1965 5/28 6.00 8 Excessive Suffolk *S1806 1978 5/15 48.01 100 Deficient Suffolk *S1810 1976 5/15 45.82 100 " Suffolk *S1812 1982 5/21 43.12 100 " Suffolk *S4271 1946 5/20 10.73 65 Normal Suffolk *S5517 1948 unavailable Suffolk *S8833 1951 5/23 15.94 86 Deficient Sullivan Sv-535 2001 5/17 8.56 - -- Wyoming Wo-4 1974 5/28 11.74 30 Normal INDEX OBSERVATION WELLS
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 4,721 4,682 4,593 01323500 Great Sacandaga Lake at Conklinville 35,700 33,950 33,480 04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft above sea level May 31, 2002 97.80 May 31, 2001 97.72 Average (1939-2000) 98.20 Maximum daily 101.55 (1993) Minimum daily 94.91 (1965) Provisional Data for May 2002# INDEX STREAMFLOW STATIONS (Reference period 1971-2000)
## Reference period is 1978-2000 * Deficient @ May 9-12,16-17,25-31 e Estimate ** Excessive # Note: Flow statistics based on data collected through May 31, 2002. NOTES, DEFINITIONS, ETC. Percent exceedence is, for example, the percentage of November monthly mean discharges for period of record equal to or greater than the current November monthly mean discharge. Statistics for the "Index Streamflow Stations" table are for the 30-year reference period 1971-2000. All other statistics used in report are based on the period of record at the site. Median = 50th percentile, which means that, for the period of record included in the analysis, 50% of the values are greater than the median and 50% are less. Deficient range = values below the 25th percentile - for the period of record included in the analysis, 75% of the values are greater and 25% are less than this value. Excessive range = values above the 75th percentile - for the period of record included in the analysis, 25% of the values are greater and 75% are less than this value. Normal range = values between the 25th and 75th percentiles.