River Levels Streamgages Weather

Total streamflow across the Hillsborough River was last observed at 1,059 cfs, and is expected to yield approximately 2,100 acre-ft of water today; about 69% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 1,543 cfs, with recent peaks last observed on 2017-09-15 when daily discharge volume was observed at 16,270 cfs.

Maximum discharge along the river is currently at the Hillsborough River Near Zephyrhills Fl reporting a streamflow rate of 478 cfs. However, the streamgauge with the highest stage along the river is the Hillsborough R Ab Crystal Spr Near Zephyrhills Fl with a gauge stage of 52.86 ft. This river is monitored from 5 different streamgauging stations along the Hillsborough River, the highest being situated at an altitude of 118 ft, the Hillsborough R Ab Crystal Spr Near Zephyrhills Fl.

The Hillsborough River is a 54-mile long river in western Florida that flows from the Green Swamp to Hillsborough Bay in Tampa. The river has a rich history, as it was home to Native American tribes and served as a major transportation route during the Spanish colonial era. The river is also known for its diverse hydrology, with shallow marshes, wetlands, and deep pools. The Hillsborough River is impounded by two major reservoirs, the Hillsborough River Reservoir and the Tampa Bypass Canal. These reservoirs provide flood control and water supply to the surrounding areas. The river is a popular recreational destination, with activities such as fishing, boating, and hiking available. The Hillsborough River also supports agriculture, with crops such as strawberries, blueberries, and citrus grown along its banks.

July 19, 2024







Last Updated 2024-07-19
Discharge Volume 2,100 ACRE-FT
Streamflow 1,058.9 cfs
+178.7 cfs (+20.3%)
Percent of Normal 68.65%
Maximum 16,270.0 cfs
Seasonal Avg 1,543 cfs
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Hillsborough R Ab Crystal Spr Near Zephyrhills Fl
USGS 02301990
55 cfs 52.86 ft 22.92
Hillsborough R Bl Crystal Spr Near Zephyrhills Fl
USGS 02302010
97 cfs 49.96 ft 1.36
Hillsborough River Near Zephyrhills Fl
USGS 02303000
478 cfs 3.46 ft 24.48
Hillsborough R At Morris Br Near Thonotosassa Fl
USGS 02303330
293 cfs 26.53 ft 14.45
Hillsborough River Near Tampa Fl
USGS 02304500
136 cfs 22.8 ft 36.27

Regional Streamflow


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second

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Historical River Levels

The Hillsborough River is a river located in the state of Florida in the United States. It arises in the Green Swamp near the juncture of Hillsborough, Pasco and Polk counties, and flows 60 miles (97 km) through Pasco and Hillsborough Counties to an outlet in the city of Tampa on Tampa Bay. It includes 4 nature trails extending for over seven miles, making it perfect for hikers. The name Hillsborough River first appeared on a British map in 1769. At the time, the Earl of Hillsborough was the British Secretary of State for the Colonies, and thus controlled the pensions of the surveyors working in the American colonies, which included East Florida.

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