U.S. GEOLOGICAL SURVEY
WATER-RESOURCES CONDITIONS IN
NEW YORK
MAY 2003

U.S. GEOLOGICAL SURVEY, WRD
New York District, Troy, NY
WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT
FOR MAY 2003
Prepared June 2, 2003
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. Conditions at all these sites
increased from the previous month. The sites in the excessive range were located in the
western Adirondack Mountain region in northern New York. The percent exceedence at two
of these sites, Independence River at Donnattsburg and Little Salmon River at Bombay,
decreased over 60% from last month when these sites were in the deficient range.
The total New York City reservoir system was at 100.1 percent of capacity on May 30;
normal for this period is 100.0 percent of capacity.
Ithaca Subdistrict--Summary Report
Provisional streamflow conditions at sites monitored and included in this report for
western New York remained in the normal range except for sites at Tonawanda Creek at
Batavia and Flint Creek at Phelps which increased from the deficient range to the
excessive range. Oneida Creek at Oneida remained excessive for the third consecutive
month.
Coram Subdistrict--Summary Report
Mean flow at Connetquot Brook near Central Islip was in the normal range for the
sixth consecutive month.
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Provisional Data for May 2003
MEAN FLOW FOR SELECTED GAGING STATIONS
Period
of record Flow Percent
Station (to date) (cfs) Exceedence Conditions
01306460 Connetquot Brook nr Central Islip 1978 27 66 Normal
01312000 Hudson River at Newcomb 1925-87,2002 996 33 "
01318500 Hudson River at Hadley 1921 5,390 41 "
01321000 Sacandaga River nr Hope 1911 1,650 47 "
01334500 Hoosic River near Eagle Bridge 1910 1,250 43 "
01350000 Schoharie Creek at Prattsville 1902 612 41 "
01357500 Mohawk River at Cohoes 1917 8,400 25 "
01371500 Wallkill River at Gardiner 1924 848 57 "
01372500 Wappinger Cr nr Wappingers Falls 1928 200 64 "
01413500 E Br Delaware River at Margaretville 1937 415 53 "
01420500 Beaver Kill at Cooks Falls 1913 541 60 "
01423000 W Br Delaware River at Walton 1950 657 43 "
01426000 Oquaga Creek at Deposit 1941-73,2002 103 70 "
01502500 Unadilla River at Rockdale 1930-95,2001 891 48 "
01503000 Susquehanna River at Conklin 1912 4,240 42 "
01512500 Chenango River nr Chenango Forks 1912 2,380 50 "
01531000 Chemung River at Chemung 1903 1,980 72 "
03011020 Allegheny River at Salamanca 1903 2,080 74 "
04213500 Cattaraugus Creek at Gowanda 1940-98,2000 822 30 Normal
04217000 Tonawanda Creek at Batavia 1944 272 21 Excessive
04221000* Genesee River at Wellsville 1916 268 72 Normal
04230500 Oatka Creek at Garbutt 1945 273 32 "
04234000 Fall Creek at Ithaca 1925 172 58 Normal
04235250 Flint Creek at Phelps 1960-95,2002 129 23 Excessive
04243500 Oneida Creek at Oneida 1950 256 15 "
04256000 Independence River at Donnattsburg 1942 425 11 "
04262500 W Br Oswegatchie R nr Harrisville 1916 960 15 "
04270200 Little Salmon River at Bombay 1958-95,2002 188 17 Excessive
04275500 Ausable River at Au Sable Forks 1910-68,1990 1,320 49 Normal
* Includes 04221500-Genesee River at Scio (1916-72)
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MONTHLY MEAN DISCHARGE FOR SELECTED STREAMFLOW STATIONS

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Provisional Data for May 2003
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
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 or **
which indicates water level in feet above land-surface datum. Statistics used for A-654
(replacement) are from A-636, those for Cm-622(replacement) are from Cm-46 (adjusted), and those
for U-1619(replacement) are from U-405 (adjusted).
Record Percent
County Well No. begins Date Water Level Exceedence Conditions
Albany A-654 2002 5/30 7.05 19 Excessive
Allegany Ag-261 2002 5/29 4.83 - --
Allegany Ag-262 2002 5/29 -0.26 - --
Broome Bm-128 1980 5/28 23.33 72 Normal
Broome Bm-129 1985 unavailable
Cattaraugus Ct-121 1984 5/29 5.87 76 Deficient
Chautauqua Cu-10 1939 5/29 12.12 14 Excessive
Chemung Cm-622 2002 5/28 22.96 34 Normal
Chenango Cn-12 1975 5/28 8.91 45 "
Clinton Cl-145 1992 5/27 22.48 45 Normal
Cortland C-998 2002 5/30 4.95 - --
Delaware D-503 2002 6/2 5.11 - --
Dutchess Du-1009 1967 5/16 13.75 66 Normal
Essex Ex-150 2002 5/29 16.56 - --
Fulton Fu-271 2002 5/29 14.12 - --
Genesee Gs-190 2002 5/30 28.66 - --
Hamilton H-3 1966 5/29 12.43 66 Normal
Lewis L-174 2002 5/27 22.45 - --
Madison M-178 1975 5/27 7.30 34 Normal
Oneida Oe-151 1926 5/27 16.37 32 "
Ontario **Ot-900 1955 5/30 8.65 65 Normal
Ontario Ot-1133 2002 5/30 2.88 - --
Orange O-2271 2002 5/21 6.68 - --
Oswego Ow-5013 2002 5/30 22.26 - --
Oswego Ow-5014 2002 5/30 22.65 - --
Otsego Og-23 1953 5/28 5.46 36 Normal
Rensselaer Re-703 1983 5/28 36.97 - --
Rockland Ro-18 1949 5/16 17.26 91 Deficient
St. Lawrence St-40 1953 5/27 5.08 34 Normal
Saratoga Sa-1285 2002 5/30 1.09 - --
Steuben Sb-472 1965 5/28 8.93 83 Deficient
Suffolk *S1810 1976 5/22 48.81 95 "
Suffolk *S1812 1982 5/19 44.91 85 Deficient
Suffolk *S4271 1946 5/29 12.24 15 Excessive
Suffolk *S5517 1948 unavailable
Suffolk *S8833 1951 5/28 18.09 41 Normal
Sullivan Sv-535 2001 5/21 10.64 - --
Ulster U-1619 2002 5/16 16.84 55 Normal
Washington W-533 1974 5/30 6.15 41 "
Wyoming Wo-4 1974 5/29 12.24 59 Normal
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INDEX OBSERVATION WELLS

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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 4,588 4,721 4,594
01323500 Great Sacandaga Lake at Conklinville 36,500 35,700 33,510
04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft
above sea level
May 31, 2003 97.68 May 31, 2002 97.80
Average (1939-2001) 98.22
Maximum daily 101.55 (1993) Minimum daily 94.91 (1965)
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Provisional Data for May 2003#
INDEX STREAMFLOW STATIONS
(Reference period 1971-2000)

## Reference period is 1978-2000
** Excessive
# Note: Flow statistics based on data collected through May 31, 2003.
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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.