River Conditions
Illustrated map of Flaming Gorge Reservoir

River stage

Croyden, Lost Creek

River level
1.17 ft
Status
Below flood stage
7-day change
+0.01 ft
Recent high
1.71 ft
Recent low
1.16 ft

Last reported 2026-10-13 | NWS CRDU1

30-day change
-0.38 ft
Average
1.51 ft
Readings
122
Data span
122 days
Record crest
6.87 ft

In brief

The Lost Creek at Croyden, UT read 1.17 ft on Oct 13, 2026, 1.23 ft below action stage. That is 0.38 ft lower than 30 days earlier.

Source: National Weather Service gauge CRDU1

River level timeline

1.01.41.82.22.6SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13ACTION 2.40 ftHIGH 1.55LOW 1.161.17 ftLAST READING

Stage threshold profile

Action stage 2.40 ftMinor flooding 2.50 ftModerate flooding 2.70 ftMajor flooding 3.00 ft CURRENT 1.17 ft

Highest crests on record

RankCrestDate
1 6.87 ft 1952-05-05
2 5.97 ft 1965-04-30
3 5.63 ft 1950-05-23
4 5.63 ft 1957-05-19
5 4.72 ft 1946-04-21
6 4.42 ft 1966-05-10
7 4.20 ft 1923-05-10
8 4.03 ft 1922-05-08

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 2.50 ft

    At 2.50 ft, minor flooding will affect homes in the town of Croyden in addition to low lying areas adjacent to Lost Creek.

  2. 2.70 ft

    At 2.70 ft, moderate flooding will affect homes in the town of Croyden in addition to low lying fields and roads adjacent to Lost Creek.

  3. 3.00 ft

    At 3.00 ft, major flooding will affect homes in the town of Croyden, in addition to roads and bridges adjacent to Lost Creek. The bridge spanning State Route 158 or Croydon Road will also flood.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Lost Creek flooding at Croyden?

No. The Lost Creek at Croyden is at 1.17 ft, 1.23 ft below action stage.

What is the flood stage at Croyden?

The National Weather Service sets action stage 2.4 ft, minor flooding 2.5 ft, moderate flooding 2.7 ft and major flooding 3 ft.

What is the highest the Lost Creek has been at Croyden?

The highest crest on record is 6.87 ft, on 1952-05-05.

Is the Lost Creek high or low right now at Croyden?

At 1.17 ft it is higher than 15% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge CRDU1); daily history from the U.S. Geological Survey (site 10132500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.