(OWYO3) OWYHEE − OWYHEE DAM Station Summary

OWYHEE − OWYHEE DAM (OWYO3)

   State: Oregon
   County: Malheur
   Latitude: 43 38' 57" North
   Longitude: 117 14' 48" West
   Elevation: 2400 ft

   Supporting NWS Forecast Office: WFO Boise
   Click for NWS Official River Forecasts for OWYO3


   Action Flow: 1000 cfs (4.11 ft)
   Flood Flow: 3000 cfs (6.75 ft)
   Moderate Flood Flow: 8000 cfs (10.71 ft)
   Major Flood Flow: 13500 cfs (11.78 ft)

Daily Historical Statistics for June 24, 2026 Mean Stage: 2.21 ft Mean Flow: 226 cfs Max Stage: 5.79 ft Max Flow: 2150 cfs (1984) Min Stage: 1.25 ft Min Flow: 42 cfs (1944) Statistics based on water years: 1930-2024 * statistics estimated based on current rating

Record Flow: 22900 cfs
Date of Record: April 15, 1952

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Data Used In Plot

---

Data Used In Plot

USBR Observations

Data Used In Plot

---

Data Used In Plot

---

Data Used In Plot

USBR Observations