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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 424841071004101 MA-HLW 23 HAVERHILL, MA


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LOCATION--Lat 42°48'41.8", long 71°00'41.8", Essex County, Hydrologic Unit 01090001, about 50 ft north of Amesbury Line Road and 0.9 mi south of State Highway 110 in Haverhill, MA.
AQUIFER--Sand and gravel, glaciated regions, outwash deposits.
WELL CHARACTERISTICS--Dug observation water-table well, diameter 12 in, depth 15.1 ft, open end.
INSTRUMENTATION--Digital recorder with satellite telemeter, March 2014 to current year. Recorded data October 1984 to March 2014. Graphic recorder with 5-day data, October 1960 to September 1982. Monthly measurements prior to January 1967.
DATUM--Elevation of land-surface datum of well is 107.61 ft above National Geodetic Vertical Datum of 1929, from levels. Measuring point: top of hole in base of box shelter, 1.68 ft above land-surface datum.
PERIOD OF RECORD--July 1960 to current year.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

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Available Parameters Available Period
2007-10-01  2020-05-28


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Summary of all available data for this site
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Depth to water level, feet below land surface

Most recent instantaneous value: 10.73 05-28-2020   15:00 EDT
Graph of  Depth to water level, feet below land surface

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