Hillsborough River river
Total streamflow across the Hillsborough River was last observed at 275 cfs, and is expected to yield approximately 546 acre-ft of water today; about 109% of normal. Average streamflow for this time of year is 253 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 96.6 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 52.42 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.
River streamflow levels
Daily aggregate streamflow across every monitored gauge along the Hillsborough River. Use the range buttons to zoom in on a specific period.
Total streamflow
Sum of all monitored streamgauges · daily
Every streamgauge along the Hillsborough River
All 5 USGS gauges Snoflo tracks for this river, with current flow, stage, recent change, percent of normal, and the gauge's all-time min / max. Click any header to sort. Cells are heatmapped relative to the column min/max -- darker blue = higher.
| Streamgauge▾ | Streamflow (cfs)▾ | Gauge stage (ft)▾ | 24h Δ (%)▾ | % Normal▾ | Min (cfs)▾ | Max (cfs)▾ | Elevation (ft)▾ |
|---|---|---|---|---|---|---|---|
|
Hillsborough R Ab Crystal Spr Near Zephyrhills Fl
FL
USGS 02301990
|
26 | 52.42 | 183.5 | 213% | 3 | 1,980 | 118 |
|
Hillsborough R Bl Crystal Spr Near Zephyrhills Fl
FL
USGS 02302010
|
80 | 49.81 | 45.0 | 138% | 44 | 575 | 109 |
|
Hillsborough River Near Zephyrhills Fl
FL
USGS 02303000
|
97 | 1.16 | 53.1 | 140% | 38 | 7,200 | 78 |
|
Hillsborough R At Morris Br Near Thonotosassa Fl
FL
USGS 02303330
|
73 | 23.77 | 16.0 | 115% | 38 | 6,280 | 47 |
|
Hillsborough River Near Tampa Fl
FL
USGS 02304500
|
· | 20.57 | · | 0% | 0 | 6,620 | 16 |
Maximum streamflow discharge by year
The single highest aggregate discharge recorded each year. Spotting the multi-year trend reveals droughts vs. wet cycles long before the headline daily flow does.
Annual peak discharge
From the river's full record · one point per water year
Streamflow elevation profile
Each bubble is one gauge along the river, plotted by current streamflow (x-axis) vs elevation (y-axis), sized by gauge stage. Reading top-to-bottom traces the river from headwaters down to its mouth -- you can see flow accumulate as elevation drops.
Elevation vs streamflow
One point per monitored gauge · bubble size = gauge stage
Hillsborough River
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.
Recreation along the Hillsborough River
Fishing access and paddle runs Snoflo tracks within the watershed.
Track the Hillsborough River in the Snoflo app
Set per-gauge push alerts (e.g. "alert me when flow at the Russian R Nr Healdsburg crosses 5,000 cfs"), and Snoflo's iOS app pushes the moment USGS reports the crossing.
About the Hillsborough River
Where does the data for the Hillsborough River come from?
Streamflow and gauge stage data are sourced from the U.S. Geological Survey (USGS) National Water Information System. The aggregate flow shown at the top of the page is computed by Snoflo as the sum of all monitored gauges along the river.
How is "percent of normal" calculated?
Today's aggregate streamflow is compared to the historical average aggregate streamflow on this calendar day across the river's full record. 100% means right on average; values above 100% indicate above-normal flow (wet year); values below indicate below-normal (dry year or drought).
Why are some gauges showing very different flows?
Gauges along a river measure flow at different points: headwater gauges read what's coming off the snowpack or mountain runoff; downstream gauges integrate everything upstream, including tributary inputs. Wide spreads usually mean a tributary is contributing significantly between gauges.
What's the elevation profile chart showing?
Each bubble is one gauge along the river, plotted by streamflow (x-axis) and elevation (y-axis), sized by gauge stage. Reading top-down traces the river from headwaters to mouth -- you can see flow build as elevation drops.
Can I get alerts when a specific gauge crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app on a per-gauge basis. Open any individual streamgauge from the table above and favorite it to set a discharge threshold.