USGS Water-Year Summary 2021
02326900 ST. MARKS RIVER NEAR NEWPORT, FL
LOCATION - Lat 30°16'16.42", long 84°08'54.09" referenced to North American Datum of 1927, in SE 1/4 sec.32, T.2 S., R.2 E., Wakulla County, FL, Hydrologic Unit 03120001, on right bank 0.5 south of the Leon-Wakulla county, 1.0 mi downstream of Rhodes Springs, 6 mi north of Newport, 11 mi upstream from the Wakulla River, and 14 mi from the mouth.
DRAINAGE AREA - 535 mi². including 240 mi² of Lake Miccosukee, which contributes at high stages to the St. Marks River.
- WSP 1905: Drainage area.
PERIOD OF RECORD - October 1956 to September 1976. October 1976 to September 1977 (gage heights only); October 1977 to September 1990; October 1990 to September 1991 (gage heights and peak discharge only); October 1991 to September 1994; July 1996 to current year.
GAGE - Water-stage recorder and data-collection platform. Datum of gage is 3.53 ft above National Geodetic Vertical Datum of 1929. Prior to July 1, 2004, at site 0.4 mi downstream at same datum.