USGS Water-Year Summary 2020
06919900 SAC RIVER NEAR CAPLINGER MILLS, MO
LOCATION - Lat 37°52'11.4", long 93°48'11.4" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 SW 1/4 sec.21, T.36 N., R.26 W., St. Clair County, MO, Hydrologic Unit 10290106, on the right upstream wingwall of bridge on State Highway W, 1.5 mi downstream from Cedar Creek, and 5.0 mi north of Caplinger Mills.
DRAINAGE AREA - 1,810 mi².
PERIOD OF RECORD - Oct 1974 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 721.10 ft above North American Vertical Datum of 1988.