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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.


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USGS 01104000 MOTHER BROOK AT DEDHAM, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42° 15’18", long 71° 09’53", Norfolk County, Hydrologic Unit 01090001, on right bank 100 ft upstream from Washington Street Bridge at Dedham and 0.4 mi downstream from point of diversion from Charles River.
PERIOD OF RECORD--Discharge: October 1931 to current year.
Water-quality records: Water years 1959, 1969–70.
REVISED RECORDS--WSP 1301: 1932(M).
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 0.76 ft below NAVD 1988. Prior to May 12, 2020, datum of gage is 0.03 ft below NGVD 1929. Concrete control since June 10, 1960. Dec. 9, 1931, to June 9, 1960, non-recording gage at site 200 ft upstream at same datum.
REMARKS--Mother Brook is a man-made diversion from Charles River to Neponset River through Dedham and Hyde Park. Drainage area is not applicable. All flows are controlled by the DCR and may appear unusually low or high compared to surrounding streams during certain times of the year.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Division of Planning and Engineering.

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This station managed by the Northborough MA Field Office.

Available Parameters Available Period
  
1990-10-01  2020-08-11
2007-10-01  2020-08-11







 (7)
 

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 7.37 08-11-2020   09:15 EDT
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Daily discharge, cubic feet per second -- statistics for Aug 11 based on 88 water years of record more
Min
(1944)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Aug 11
Mean 75th
percen-
tile
Max
(1938)
0.00 2.3 6.3 7.37 21 21 238


Gage height, feet

Most recent instantaneous value: 80.19 08-11-2020   09:15 EDT
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