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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.


* IMPORTANT: Next Generation Station Page

USGS 01110000 QUINSIGAMOND RIVER AT NORTH GRAFTON, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42° 13’49", long 71° 42’41", Worcester County, Hydrologic Unit 01090003, on right bank 800 ft downstream from dam at outlet of Hovey Pond at North Grafton and 0.3 mi upstream from Bummett Brook.
DRAINAGE AREA--25.6 mi2.
PERIOD OF RECORD--October 1939 to current year.
REVISED RECORDS--WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 334.32 ft above NAVD 1988, estimated from topographic map. Prior to May 4, 2020, datum of gage reported as 335 ft above NGVD 1929. Prior to Dec. 7, 1939, staff gage at same site and datum.
REMARKS--Occasional regulation by Lake Quinsigamond 2.3 mi upstream and by ponds upstream.
COOPERATION BY-- Massachusetts Department of Conservation and Recreation, Office of Water Resources.

Boating safety tips
This station managed by the Northborough MA Field Office.

Available Parameters Available Period
  
1990-10-01  2020-05-29
2007-10-01  2020-05-29







 (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: 23.4 05-29-2020   17:00 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 29 based on 80 water years of record more
Min
(2015)		 Most Recent
Instantaneous
Value May 29		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1967)
8.57 23.4 24 37 43 58 115

Gage height, feet
Most recent instantaneous value: 1.29 05-29-2020   17:00 EDT
Graph of Gage height, feet

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