USGS Water-Year Summary 2020
01060000 ROYAL RIVER AT YARMOUTH, ME
LOCATION - Lat 43°47'56.94", long 70°10'41.77" referenced to North American Datum of 1983, Cumberland County, ME, Hydrologic Unit 01060001, on right bank 150 ft upstream from East Main Street bridge in Yarmouth.
DRAINAGE AREA - 141 mi².
- WDR ME-81-1: Drainage area.
PERIOD OF RECORD - DISCHARGE: October 1949 to September 2004, October 2019 to current year.
GAGE - Water-stage recorder. Datum of gage is 9.51 ft above National Geodetic Vertical Datum of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 11,500 ft³/s, Mar. 13, 1977, gage height, 8.46 ft; minimum daily discharge, 5.7 ft³/s, July 23, 1980, caused by unusual regulation.