USGS Water-Year Summary 2021
07062000 CLEARWATER LAKE NEAR PIEDMONT, MO
LOCATION - Lat 37°08'00.2", long 90°46'30.7" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 NW 1/4 sec.06, T.28 N., R.3 E., Wayne County, MO, Hydrologic Unit 11010007, in intake tower at dam on Black River, 2.3 mi upstream from Brewer Bay, 4.5 mi west of Piedmont, and at mile 257.4.
DRAINAGE AREA - 898 mi².
PERIOD OF RECORD - Jun 1948 to current year.
GAGE - Water-stage recorder. Datum of gage is National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers).
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 449,000 acre-ft, May 06, 2017, elevation, 570.33 ft; minimum, since initial filling to conservation pool level, 15,800 acre-ft, Jan 20, 23, 1972, elevation, 490.00 ft.