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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


Current Conditions for Massachusetts: Water Quality -- 16 site(s) found

PROVISIONAL DATA SUBJECT TO REVISION




Customize table to display other current-condition parameters
Station
Number
Station name Date/Time Gage
height,
feet
Dis-
charge,
ft3/s
Temper-
ature,
water,
deg C
Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
Precipitation in inches
during the previous
  1 hour     4 hours     12 hours     24 hours  
Group MERRIMACK RIVER BASIN
01095220 STILLWATER RIVER NEAR STERLING, MA  09/25 02:30 EDT 4.64 25.5  13.4 146 
01095375 QUINAPOXET RIVER AT CANADA MILLS NEAR HOLDEN, MA  09/25 02:30 EDT 6.77 19.6  13.8 258 
01095434 GATES BROOK NEAR WEST BOYLSTON, MA  09/25 02:20 EDT 0.88 2.58  12.0 1,220     
01098500 COCHITUATE BK BL LAKE COCHITUATE AT FRAMINGHAM, MA  09/25 03:00 EDT 4.23 -- -- --     
    09/25 02:00 EDT -- 11.1 -- --     
01100561 SPICKET RIVER NEAR METHUEN, MA  09/25 02:15 EDT 3.82 31.0 -- -- Eqp  Eqp  Eqp  Eqp 
Group MYSTIC RIVER BASIN
422302071083801 FRESH POND IN GATE HOUSE AT CAMBRIDGE, MA  09/25 02:45 EDT -- --  21.3 826 
Group CHARLES RIVER BASIN
01104370 STONY BROOK AT VILES STREET, NEAR WESTON, MA  09/25 02:40 EDT 0.77 5.58  12.8 462     
01104415 CAMBRIDGE RES., UNNAMED TRIB 2, NR LEXINGTON, MA  09/25 02:30 EDT 0.60 0.05  13.0 644     
01104430 HOBBS BK BELOW CAMBRIDGE RES NR KENDALL GREEN, MA  09/15 01:45 EDT 0.61 3.82  21.8 988 
      GATE HOUSE  09/25 02:45 EDT -- --  19.3 995     
01104453 STONY BROOK UNNAMED TRIB 2 NR WESTON STATION  09/25 02:40 EDT -- --  16.2 721     
01104455 STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA  09/25 02:30 EDT 3.21 0.40  15.1 1,470     
01104460 STONY BROOK AT RT 20 AT WALTHAM, MA  09/25 02:40 EDT 4.84 --  13.9 653     
      [(2)]  09/25 02:40 EDT -- 8.18 -- --     
01104475 STONY BROOK RES., UNNAMED TRIB 1, NEAR WESTON, MA  09/25 02:30 EDT 0.39 0.43  13.4 362     
01104480 STONY BROOK RESERVOIR AT DAM NEAR WALTHAM, MA  09/25 02:45 EDT -- -- -- -- 
    09/25 02:00 EDT 0.69 0.44 -- --     
Group CAPE COD RIVER BASIN
011058798 HERRING R AT CHEQUESSETT NECK RD AT WELLFLEET, MA  09/25 02:00 EDT 0.34 --  17.2 47,300     
      Ocean side  09/25 02:55 EDT 0.63 -- -- --     
    09/15 12:30 EDT -- --  23.2 Eqp     
Group CHICOPEE RIVER BASIN
01173000 WARE RIVER AT INTAKE WORKS NEAR BARRE, MA  09/25 02:15 EDT 4.36 143  14.1 --     

Data status codes:
  --     Parameter not determined
  Eqp     Equipment malfunction