What is the current water level of Big Sandy Reservoir?

As of Jul 14, 2026, 11:15 AM (UTC-06:00), the pool elevation was 6,750.58 ft (datum NGVD29), provisional and subject to revision. See the trend chart above for the recent direction.

Is Big Sandy Reservoir full right now?

Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.

Where does this data come from?

From USGS site 09213700, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.

Is this safe to use for boating or navigation?

No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

Big Sandy Reservoir water level — Wyoming

Wyoming · USGS · reading Jul 14, 2026, 11:15 AM (UTC-06:00) Provisional

Big Sandy Reservoir in Wyoming was last measured at 6,750.58 ft (datum NGVD29), as of Jul 14, 2026, 11:15 AM (UTC-06:00) (USGS Water Services). Over its recent trend window the level has been falling (−3.6 ft). This reading is provisional and subject to revision. Figures are provisional readings for reference — not for navigation or safety decisions.

Current reading Big Sandy Reservoir · Wyoming

Pool elevation: 6,750.58 ft
% of conservation pool full: Not reported
Storage: Not reported
Recent trend: ↓Falling

Recent trend

The last ~90 days of readings at this station, downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Important — not for navigation or safety decisions

Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.

Source: USGS site 09213700, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Big Sandy Reservoir, with current level and distance.
Lake	State	Level	Distance
Bear Lake	UT	5,921.10 ft	165 km
Red Fleet Dam & Reservoir	UT	5,565.58 ft	180 km
Lost Creek Reservoir	UT	5,962.40 ft	202 km
Combined Echo/rockport	UT	—	219 km
Echo Dam & Reservoir	UT	5,528.56 ft	219 km
Pineview Dam & Reservoir	UT	4,877.97 ft	229 km

Frequently asked questions

What is the current water level of Big Sandy Reservoir?: As of Jul 14, 2026, 11:15 AM (UTC-06:00), the pool elevation was 6,750.58 ft (datum NGVD29), provisional and subject to revision. See the trend chart above for the recent direction.
Is Big Sandy Reservoir full right now?: Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?: From USGS site 09213700, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
Is this safe to use for boating or navigation?: No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

More in Wyoming

See every lake tracked in Wyoming, or read the methodology behind these figures.