USGS Streamgage 09404900
East Fork Virgin River near Springdale, UT
East Fork Virgin River near Springdale, UT is USGS streamgage 09404900 in Utah, monitoring river discharge in hydrologic subbasin 15010008. It drains a watershed of about 343 square miles. Discharge records at this site go back to 1991. Typical flow runs near 38 cfs in July and 53.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Utah
- Drainage area
- 343 sq mi
- Gauge elevation
- 3,931 ft
- Subbasin (HUC-8)
- 15010008
- Coordinates
- 37.16415, -112.95855
- USGS site number
- 09404900
- Records begin
- 1991-10-01 (35 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 35 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 50.6 | 57 | 77.9 | |
| February | 53.4 | 60.9 | 85.9 | |
| March | 52.6 | 64.6 | 122.3 | |
| April | 41.7 | 53.7 | 169.4 | |
| May | 37 | 41.7 | 106.8 | |
| June | 35.2 | 38.6 | 55.9 | |
| July | 34.4 | 38 | 52.4 | |
| August | 34.5 | 38 | 66.5 | |
| September | 34.4 | 39.8 | 64.1 | |
| October | 38.9 | 46.5 | 63.9 | |
| November | 48.2 | 54.2 | 63.5 | |
| December | 49.1 | 55.4 | 62.7 |
All values in cubic feet per second (cfs).
Common questions
- When does East Fork Virgin River near Springdale, UT normally run highest?
- March, on the long-term record. The median daily flow that month is about 64.6 cfs, against 38 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for East Fork Virgin River near Springdale, UT?
- It depends on the month. In January, half of days historically fall near 57 cfs, with the middle 80% of days between 50.6 and 77.9 cfs. The month-by-month table on this page gives the full range.
- How long has East Fork Virgin River near Springdale, UT been measured?
- Discharge records at USGS site 09404900 begin in 1991, about 35 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is East Fork Virgin River near Springdale, UT?
- The gauge sits at 37.16415, -112.95855, in Utah, in hydrologic subbasin 15010008, at an elevation of about 3,931 feet, draining roughly 343 square miles.
- Can I use East Fork Virgin River near Springdale, UT data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Other gauges in this subbasin
- North Fork Virgin River near Springdale, UT
- Virgin River at Virgin, UT
- Virgin River Ab La Verkin Creek near La Verkin, UT
- Leeds Creek near Leeds, UT
- Virgin River Ab Quail Creek near Hurricane, UT
- Virgin River near Hurricane, UT
- Santa Clara River near Pine Valley, UT
- Santa Clara River above Baker Reservoir, near Central, UT