USGS Water-Year Summary 2020
03301500 ROLLING FORK NEAR BOSTON, KY
LOCATION - Lat 37°46'02", long 85°42'14" referenced to North American Datum of 1927, Nelson County, KY, Hydrologic Unit 05140103, on downstream side of bridge on U.S. Hwy 62 and State Hwy 61, 0.4 miles downstream from Beech Fork, 2.3 miles southwest of Boston, and at mile 19.8. Auxiliary Gage: Lat 37°49'22", long 85°44'52" Rolling Fork at Lebanon Junction, 03301630, on downstream left side of Hwy 434 bridge at Lebanon Junction.
DRAINAGE AREA - 1,299 mi².
- WSP 1705: Drainage area.
PERIOD OF RECORD - May 1938 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 400.42 feet above NGVD of 1929. April 22, 1941 to September 30, 1971, nonrecording gage at same site and datum. Prior to April 22, 1941, nonrecording gage at bridge 1,400 feet upstream at same datum. Since October 1, 1957, auxiliary nonrecording gage at State Highway 434 bridge 7.6 miles downstream. February 4, 1942, to September 30, 1957, auxiliary nonrecording gage 3.5 miles downstream. Prior to February 4, 1942, nonrecording water-stage recorder or nonrecording gage at mouth of Rolling Fork. Datum of Auxiliary gage (Rolling Fork at Lebanon Junction, Ky. 03301630) is 385.06 feet above sea level.
COOPERATION - U.S. Army Corps of Engineers, Louisville District, and City of Lebanon Junction.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in January 1937 reached a stage of 55.2 feet, former site, from floodmarks (backwater from Ohio River).
EXTREMES FOR PERIOD OF RECORD - Maximum gage height 53.22 ft. on March 1, 1997; maximum discharge 69800 ft³/s on March 3, 1997. Lowest daily mean discharge 0.40 ft³/s on October 20, 1939.