Lower Mountain Fork River level at Broken Bow
Oklahoma · Fishing & wading
Measured at USGS 07339000 — Mountain Fork near Eagletown, OK · NWS forecast point EAGO2
Reading taken · as of 58 min ago
Low and clear — wadeable, and fish will be spooky
At 122 CFS, this gauge is in the lowest 5% of the 56 years USGS has recorded for this date (1970–2026), at 34% of the 356 CFS median.
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Flood stages at Broken Bow
National Weather Service categories for gauge EAGO2, WFO SHV. Impact wording is the NWS's own, verbatim.
-
Major flood 14.0 ft · 20,000 CFS
- 14.0 ft Major flooding begins as some camps and cabins along the lower Mountain Fork near its confluence with the Little River become cutoff by high water. Very turbulent and swift water develops and all recreational activities near and on the water are highly discouraged.
- 17.0 ft Major flooding develops as the Mountain Fork is very swift and turbulent due to reservoir releases from Broken Bow Dam. Boating becomes very diffucult. Bank erosion expected at these stages. Trails next to the Mountain Fork damaged by high water. A cabin complex becomes cutoff by high water.
- 20.0 ft Expect major flooding equal very similar to the December 28 of 2015 flood with major damage to trails, access roads, and driveways. Numerous homes and cabins are cutoff by high water. The Mountain Fork is extremely swift and turbulent with large breaking waves upwards of eight feet in height.
-
Moderate flood 12.0 ft · 16,900 CFS
- 12.0 ft Moderate lowland flooding. Bank erosion issues are possible. Flows from Broken Bow Dam approach 20,000 cubic feet per second. The Mountain Fork becomes swift and turbulent.
- 13.0 ft Moderate lowland flooding. The Mountain Fork is very swift and turbulent. Flows from Broken Bow Dam approach 25,000 cubic feet per second.
-
Minor flood 11.0 ft · 13,800 CFS
- 11.0 ft Streamflows on the Mountain Fork become swift and turbulent. Recreational users such as swimmers, boaters, kayakers, and inner tube floaters should exercise extreme caution.
-
Action 9.0 ft · 9,400 CFS
- 9.0 ft Streamflows on the Mountain Fork become swift at stages near and above nine feet. Recreational users such as swimmers, boaters, kayakers, and inner tube floaters should exercise caution.
- Right now 0.75 ft
Flow history at Broken Bow
Daily values from USGS 07339000, updated every 15 to 60 minutes; NWS forecast for EAGO2 reissued through the day. Provisional.
Highest crests on record at Broken Bow
12 on record
| Stage | Flow | Date |
|---|---|---|
| 26.73 ft | 101,000 CFS | May 20, 1960 |
| 26.40 ft | 92,500 CFS | Aug 15, 1915 |
| 25.80 ft | 88,500 CFS | Mar 29, 1945 |
| 25.70 ft | 87,800 CFS | Aug 28, 1947 |
| 25.66 ft | 91,500 CFS | Feb 12, 1950 |
| 25.00 ft | 69,300 CFS | Jan 24, 1938 |
| 24.77 ft | 81,400 CFS | Jan 24, 1949 |
| 23.50 ft | — | Feb 18, 1938 |
| 23.30 ft | 71,100 CFS | May 25, 1946 |
| 23.00 ft | 59,500 CFS | Apr 17, 1938 |
Crests published by the National Weather Service.
About Lower Mountain Fork River at Broken Bow
In Oklahoma, below Broken Bow Lake. Releases can change the flow by hundreds of CFS in an hour with no rain in the basin — check it the morning you go, not the night before. Oklahoma's only true trout tailwater; Beavers Bend.
Reservoir feeding this stretch
Flow here is set by releases from Broken Bow Lake. A full pool usually means more water on its way down.
Lower Mountain Fork River at Broken Bow — common questions
3 questions
How do releases from Broken Bow Lake affect this stretch?
Directly and fast. When the dam generates, flow here can climb by an order of magnitude within the hour, with no rain anywhere in the basin. That sudden release is the real hazard on a tailwater. The pool level is on lakelvl.com, linked below.
Is Lower Mountain Fork River at Broken Bow high or low for this time of year?
The USGS median flow for late September here is 356 CFS, from 56 years of record (1970–2026). Today sits in the lowest 5% of those years, at 34% of the median. The comparison is what makes the raw number mean anything: the same reading is a drought on one river and a flood on another.
How often does this reading update?
USGS transmits from gauge 07339000 every 15 to 60 minutes, and the National Weather Service reissues the flood forecast for EAGO2 a few times a day — more often when the river is rising. This page refreshes from both when you open it. The timestamp is in the gauge's local time.