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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
03406500 ROCKCASTLE RIVER AT BILLOWS, KY
LOCATION - Lat 37°10'16", long 84°17'46" referenced to North American Datum of 1927, Laurel County, KY, Hydrologic Unit 05130102, on upstream side of bridge on State Highway 80 at Billows, 0.9 miles upstream from Pine Creek, 1.1 miles downstream from Hawk Creek, 13.0 miles west of London, and at mile 24.4.
DRAINAGE AREA - 604 mi².
REVISIONS HISTORY - WSP 1436: Drainage area. Datum of gage was previously reported as 802.90 ft above NGVD of 1929. This datum was revised to 803.24 above NGVD of 1929 on Dec 5, 2022.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1936 to current year.
GAGE - Water-stage recorder. Datum is 802.68 feet above NAVD of 1988 and 803.24 ft above NGVD of 1929. Prior to November 19, 1940, nonrecording gage at same site and datum.
