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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 423810072435401 MA-CSW 8R COLRAIN, MA


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LOCATION--Lat 42o38'09.8", long 72o43'53.5", Franklin County, Hydrologic Unit 01080203, 25 ft east Route 112 and 100 ft north of North River bridge in Colrain.
AQUIFER--Sand and gravel, glaciated regions; ice contact deposits aquifer.
WELL CHARACTERISTICS--Augered observation water-table well, diameter 2.0 in, depth 29.37 ft.
INSTRUMENTATION--Data Collection Platform with celluar telephone telemeter, July 2017 to current year. Monthly measurement prior to July 2017.
DATUM--Elevation of land-surface datum is 460 ft above NAVD 1988.
Measuring point: 1.83 ft. top of protective casing on west side.
PERIOD OF RECORD--August 2016 to current year.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

Click here to view values used in "Frimpter Method" estimates, OWmax and OWr values and topographic and lithologic settings.

Click here to view most recent monthly and daily groundwater levels (OWc values for "Frimpter Method" estimates) and for monthly and historical statistics.

This station managed by the Northborough MA Field Office.

Available Parameters Available Period
2017-07-19  2020-02-15


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

Depth to water level, feet below land surface

Most recent instantaneous value: 12.34 02-15-2020   13:15 EST
Graph of  Depth to water level, feet below land surface

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