USGS Water-Year Summary 2018
02358789 CHIPOLA RIVER AT MARIANNA, FL
LOCATION - Lat 30°46'22", long 85°12'59" referenced to North American Datum of 1927, in SE 1/4 sec.03, T.4 N., R.10 W., Jackson County, FL, Hydrologic Unit 03130012, at bridge on downstream side of U.S. Highway 90, 0.6 mi east of courthouse in Marianna, and 78.5 mi upstream from mouth.
DRAINAGE AREA - 464 mi².
PERIOD OF RECORD - April 1913 to October 1986 (miscellaneous discharge measurements), October 1999 to current year.
GAGE - Water-stage recorder and data-collection platform. Elevation of gage is 56 ft above National Geodetic Vertical Datum of 1929, from topographic map. Prior to Oct. 1, 1999, nonrecording gage at same site at different datum.