Rivermatics

USGS Streamgage 14142500

Sandy River below Bull Run River, near Bull Run, OR

Sandy River below Bull Run River, near Bull Run, OR is USGS streamgage 14142500 in Oregon, monitoring river discharge in hydrologic subbasin 17080001. It sits on the Sandy River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 436 square miles. Discharge records at this site go back to 1910. Typical flow runs near 703.1 cfs in July and 2,875.3 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
Oregon
Drainage area
436 sq mi
Subbasin (HUC-8)
17080001
Coordinates
45.44901, -122.24509
USGS site number
14142500
Records begin
1910-10-01 (116 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Sandy River below Bull Run River, near Bull Run, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
301 308 314
299 308 318
307 326 367
306 326 373
297 311 335
291 304 322
286 300 316
282 296 312
279 293 309
277 292 308
274 290 306
272 288 305
269 286 305
268 286 307

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 115 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 1,157.7 2,551.6 7,225.2
February 1,230.7 2,335.2 6,621.7
March 1,353.2 2,533.9 5,497.4
April 1,689.7 2,875.3 5,146
May 1,188.5 2,501 4,565.8
June 744 1,423.5 3,322
July 471.8 703.1 1,173
August 353.2 459.4 666.6
September 304 408.4 778.2
October 312.2 606.6 2,446.9
November 589.8 2,005.7 6,547.7
December 1,039.3 2,479.4 7,925.5

All values in cubic feet per second (cfs).

Common questions

When does Sandy River below Bull Run River, near Bull Run, OR normally run highest?
April, on the long-term record. The median daily flow that month is about 2,875.3 cfs, against 408.4 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Sandy River below Bull Run River, near Bull Run, OR?
It depends on the month. In January, half of days historically fall near 2,551.6 cfs, with the middle 80% of days between 1,157.7 and 7,225.2 cfs. The month-by-month table on this page gives the full range.
How long has Sandy River below Bull Run River, near Bull Run, OR been measured?
Discharge records at USGS site 14142500 begin in 1910, about 116 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Sandy River below Bull Run River, near Bull Run, OR?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. A companion model forecasts each day's water-temperature high and low. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Sandy River below Bull Run River, near Bull Run, OR?
The gauge sits at 45.44901, -122.24509, in Oregon, in hydrologic subbasin 17080001, draining roughly 436 square miles.
Can I use Sandy River below Bull Run River, near Bull Run, OR 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.

Upstream and downstream on the Sandy River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Sandy River in full.

Other gauges in this subbasin