USGS Water-Year Summary 2019
06925250 LITTLE NIANGUA RIVER NEAR MACKS CREEK, MO
LOCATION - Lat 37°56'05", long 93°04'01" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 SW 1/4 sec.19, T.37 N., R.19 W., Camden County, MO, Hydrologic Unit 10290110, on downstream side of right bridge abutment on Highway 5 bridge.
DRAINAGE AREA - 125 mi².
PERIOD OF RECORD - May 29, 2007 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 830 ft above National Geodetic Vertical Datum of 1929, from topographic map.