U.S. GEOLOGICAL SURVEY
WATER-RESOURCES CONDITIONS IN NEW YORK
DECEMBER 1998
U.S. GEOLOGICAL SURVEY, WRD
New York District, Troy, NY
WATER RESOURCES REVIEW AND CURRENT CONDITIONS STATEMENT
FOR DECEMBER 1998
Prepared January 5, 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. A new provisional period-of-record
(75 years) minimum monthly mean discharge for December was recorded at Wallkill
River at Gardiner. Streamflow conditions were in the deficient range for the
fifth consecutive month at Mohawk River at Cohoes, the fourth consecutive month at
Wallkill River at Gardiner, and the second consecutive month at all other sites
included herein.
Ithaca Subdistrict--Summary Report
Provisional mean flows for the month of December were in the deficient range
at all monitored sites in western New York. Allegheny River at Salamanca remained
deficient for the fourth consecutive month and Genesee River at Wellsville was
deficient for the fifth consecutive month, again recording the lowest monthly mean
of record.
Coram Subdistrict--Summary Report
Provisional mean flow at Massapequa Creek for the month of December was in the
deficient range for the fifth consecutive month. This was the lowest December
monthly mean of record (61 years).
Provisional Data for December 1998#
INDEX STREAMFLOW STATIONS
(Reference period 1961-90)
* Deficient.
# Note: Flow statistics based on data collected through December 31, 1998.
MONTHLY MEAN DISCHARGE FOR INDEX STREAMFLOW STATIONS
Provisional Data for December 1998#
MEAN FLOW FOR SELECTED GAGING STATIONS
Percent of median
Flow for month of Dec.
Station (cfs) (period of record)
*01350000 Schoharie Creek at Prattsville 91 20
*01371500 Wallkill River at Gardiner 138 13
*01372500 Wappinger Cr near Wappingers Falls 45 18
*01420500 Beaver Kill at Cooks Falls 243 44
*01531000 Chemung River at Chemung 303 26
*03011020 Allegheny River at Salamanca 853 23
*04217000 Tonawanda Creek at Batavia 54 21
*04221000 Genesee River at Wellsville 44 9
*04230500 Oatka Creek at Garbutt 43 18
# Note: Flow statistics based on data collected through December 31, 1998.
* 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 3,185 3,050 2,831
01323500 Great Sacandaga Lake at Conklinville 16,010 17,840 18,800
04295000 Richelieu River (Lake Champlain) at Rouses Point, NY - Elevation in ft
above sea level
December 31, 1998 94.78 December 31, 1997 95.27
Average (1939-97) 95.50
Maximum daily 100.02 (1984) Minimum daily 93.25 (1954)
New York City reservoir system was at 51.4 percent of capacity on December 31,
1998. Normal for this period is 77.6 percent of capacity.
Provisional Data for December 1998
INDEX OBSERVATION WELLS
Departure from Median
County Well No. Date Water Level (through 1997)
Albany A-636 12/31 11.18 - 0.82
Broome Bm-121 12/15 24.72 + 1.38
Cattaraugus Ct-121 12/8 7.74 - .59
Chemung Cm-46 12/9 24.90 - .65
Chenango Cn-12 12/16 9.80 - .74
Cortland C-102 12/14 11.67 - 6.08
Madison M-178 12/8 9.31 - 2.06
Nassau N1259 12/17 45.62* - 4.99
Nassau N1616 12/17 71.12* - .88
Otsego Og-23 12/19 6.38 - .90
St. Lawrence St-40 12/28 6.29 + .21
Saratoga Sa-1100 12/31 66.34 + 7.92
Steuben Sb-472 12/10 9.90 - 1.20
Suffolk S1806 12/17 52.76* - 2.00
Suffolk S1810 12/17 50.78* + .30
Suffolk S1812 12/17 47.02* + 1.92
Wyoming Wo-4 12/4 13.67 - .87
* Water level in feet below land-surface datum unless noted with * which indicates ref-
erence to sea level.
Note: Data for Cu-10, K1194, Oe-151, Q1249, S4271, S6431, and S8833, unavailable.