LOCATION.--Lat 37°41'31", long 88°08'00" (NAD of 1927), in SE1/4NW1/4 sec.32, T.9 S., R. 10 E., Union County, Kentucky, Hydrologic Unit 05140203, on main bridge pier on downstream side of State Highway 13, 9.5 miles upstream from Saline River, and at mile 858.2.

DRAINAGE AREA.--141,000 mi², approximately.

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: January 2002 to current year.

STAGE: January 2002 to current year.

SURFACE-WATER QUALITY

TEMPERATURE: October 1975 to October 3, 1977.

GAGE.--Water-stage recorder, phone telemeter, and acoustical-velocity meter. Datum of gage is 309.10 ft above NGVD of 1929.

REMARKS.--Some regulation by locks and dams upstream from station at Uniontown, KY and downstream at Smithland, KY.

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 640,000 ft³/s, based on stage-area and velocity ratings, May 22, 2002, gage height, 43.87 ft; maximum gage height, 44.01 ft, discharge, 621,000 ft³/s, May 23, 2002; minimum daily discharge, 10,800 ft³/s, Aug. 17, 2002 and Sept. 10, 2002.

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of Jan. 30, 1937, reached a stage of 65.64 ft, from information by National Weather Service.

REMARKS FOR CURRENT YEAR.--Records good except those below 30,000 ft³/s, which are poor.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data