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ICE EFFECTS ON STREAMFLOW During winter, ice formation may cause stage and discharge values to appear higher than expected. Ice effects may be minor (occurring only at night and early morning) with baseline flows obvious, or the effects may be major (stage constantly increases over several days or weeks) resulting in greatly erroneous discharge. Streamgages experiencing minor ice conditions will continue to display stage and discharge values to enable users to estimate the approximate base-line stage and discharge. Streamgages experiencing major ice conditions will have the discharge record temporarily disabled to prevent use of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Daily mean discharges during periods of ice effect will be estimated after detailed data analysis.

USGS 01105608 WHITMANS POND FISH LADDER AT EAST WEYMOUTH, MA

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION--Lat 42o12'47", long 70o55'35", Norfolk County, Hydrologic Unit 01090001, on left bank at base of fish ladder, 100 ft downstream from Iron Hill Street, 300 ft downstream from Iron Hill Dam, at East Weymouth, MA.
DRAINAGE AREA--12.5 mi2.
PERIOD OF RECORD--December 2001 to current year.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 30.83 ft above Town of Weymouth datum. Subtract 5.83 ft from gage height values to adjust to National Geodetic Vertical Datum of 1929.
REMARKS--Flows affected by withdrawals for public water supply of Weymouth and by changes to boards in fish ladders upstream from the gage. High flows affected by diversions to flood by-pass system at Whitmans and Iron Hill Dams (01105607). The Old Swamp River gage (01105600) is located 0.4 mi upstream from Whitmans Pond and points of water withdrawals and diversions.
COOPERATION BY--Town of Weymouth, MA

Photo of Whitmans Pond Outlet Gage
Photo of fish ladder and stage sensor

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

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2001-12-21  2017-07-27
00065 Gage height 2007-10-01  2017-07-27

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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: 4.73 07-27-2017   09:45 EDT
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Daily discharge, cubic feet per second -- statistics for Jul 27 based on 15 years of record more
Min
(2007)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Jul 27
75th
percen-
tile
Max
(2009)
0.07 0.92 2.2 3.4 4.73 6.7 8.53


Gage height, feet

Most recent instantaneous value: 31.53 07-27-2017   09:45 EDT
Graph of  Gage height, feet

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