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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.


! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

Current Conditions for Massachusetts: Water Quality -- 15 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
Tide
stage,
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 Essex County
011006988 MERRIMACK RIVER AT BATES BRIDGE NEAR HAVERHILL, MA  06/23 20:12 EDT -- 0.16 7,540 -- --     
011008745 MERRIMACK R ESTUARY US OF SHAD CRK, SALISBURY, MA 
      BOTTOM  06/10 12:05 EDT -- -- --  14.7 39,900     
      TOP  06/23 20:00 EDT -- -- --  23.0 11,900     
Group Franklin County
01161280 CONNECTICUT RIVER NEAR NORTHFIELD, MA  06/23 20:05 EDT 12.21 -- -- -- --     
    02/23 11:15 EST -- -- -- Dis Dis     
      [Discharge from Index Velocity]  06/23 20:00 EDT -- -- 8,990 -- --     
Group Middlesex County
01104370 STONY BROOK AT VILES STREET, NEAR WESTON, MA  06/23 19:40 EDT 0.96 -- 10.2  22.2 299     
01104415 CAMBRIDGE RES., UNNAMED TRIB 2, NR LEXINGTON, MA  06/23 19:30 EDT 0.62 -- 0.16  19.7 1,020     
01104430 HOBBS BK BELOW CAMBRIDGE RES NR KENDALL GREEN, MA  06/23 20:00 EDT 0.53 -- 3.37 -- -- 0.48 0.51 
      GATE HOUSE  06/23 19:40 EDT -- -- --  18.0 614     
      RESERVOIR OUTLET  06/21 14:00 EDT -- -- -- Eqp --     
    06/21 02:40 EDT -- -- -- -- Eqp     
01104453 STONY BROOK UNNAMED TRIB 2 NR WESTON STATION  06/23 19:40 EDT -- -- --  22.5 490     
01104455 STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA  06/23 19:40 EDT 3.31 -- 0.63  17.3 1,020     
01104460 STONY BROOK AT RT 20 AT WALTHAM, MA  06/23 20:10 EDT 5.31 -- --  21.5 464     
      [(2)]  06/23 20:10 EDT -- -- 25.6 -- --     
01104475 STONY BROOK RES., UNNAMED TRIB 1, NEAR WESTON, MA  06/23 19:30 EDT 0.47 -- 0.69  20.6 268     
422302071083801 FRESH POND IN GATE HOUSE AT CAMBRIDGE, MA  06/23 19:45 EDT -- -- -- -- -- 0.05 0.05 
      Fresh Pond Sonde  06/23 19:45 EDT -- -- --  24.3 526     
Group Worcester County
01095220 STILLWATER RIVER NEAR STERLING, MA  06/23 19:30 EDT 4.73 -- 41.2  20.8 143 0.02 0.03 
01095375 QUINAPOXET RIVER AT CANADA MILLS NEAR HOLDEN, MA  06/23 19:30 EDT 7.36 -- 59.9  23.7 207 0.02 0.09 0.30 
01095434 GATES BROOK NEAR WEST BOYLSTON, MA  06/23 19:20 EDT 1.21 -- 2.83  18.6 726     
01173000 WARE RIVER AT INTAKE WORKS NEAR BARRE, MA  06/23 20:15 EDT 4.69 -- 199  21.7 --     

Data status codes:
  --     Parameter not determined
  Dis     Data-collection discontinued
  Eqp     Equipment malfunction