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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
04057814 GREENWOOD RELEASE NEAR GREENWOOD, MI
LOCATION - Lat 46°26'22", long 87°47'52" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.27, T.47 N., R.28 W., Marquette County, MI, Hydrologic Unit 04030110, on left bank at outlet of Greenwood Afterbay releasing to Middle Branch Escanaba River, 2.6 mi upstream from Bell Creek, and 3.8 mi southwest of Greenwood.
DRAINAGE AREA - 67.4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1972 to current year.
GAGE - Water-stage recorder and concrete flume. Datum of gage is 1,473.91 ft above NAVD 88, converted on July 9, 2020 from NGVD 29 (Cliffs Natural Resources Inc. bench mark). Prior to Nov. 7, 1973, nonrecording gage at same site and different datum.
REMARKS - Since December 1972, flow from Greenwood Reservoir (station 04057811) below spillway elevation 1,515 ft is completely regulated by Greenwood Afterbay release structure (station 04057812) into the Middle Branch Escanaba River. Since January 1973, water diverted immediately upstream from station via Greenwood Diversion (station 04057813) to Green Creek for iron ore processing and some returned to Middle Branch Escanaba River 27 mi downstream via another Green Creek. Since October 1979, some of the diversion returned 31 mi downstream via Goose Lake Outlet and East Branch Escanaba River. Overflow from reservoir spillway bypasses and returns to the Middle Branch Escanaba River 0.5 mi downstream from station.
