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Fontenelle Reservoir water level

Reservoir, Wyoming, United States

Directions

High for mid-October

Surface elevation

6,498.39ft Up 0.67 ft over the last 7 days

Water stored
276,469 acre‑ft
6,490 6,495 6,500

History

6,4906,4956,500ftOct 12Oct 13Oct 14Oct 15Oct 176,4906,4956,500ftOct 12Oct 14Oct 17
6,4906,4956,500ftSep 19Sep 26Oct 3Oct 10Oct 176,4906,4956,500ftSep 19Oct 3Oct 17
6,4806,500ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20266,4806,500ftOct 2025Apr 2026Oct 2026
6,4806,500ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20266,4806,500ftOct 2016Oct 2021Oct 2026
6,4806,500ftJanMarMayJulSepNov20266,4806,500ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

At 6,498.39 ft, Fontenelle Reservoir is holding more water than usual for mid-October.

That puts it 5.46 ft above the median of 6,492.93 ft for mid-October, based on 36 years of readings. A year ago it stood at 6,490.43 ft (+7.96 ft).

It is on the way up, by 0.67 ft over the past week. The 30-day range is 6,497.72 ft – 6,498.44 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
6,492.93 ft5.46 ft above the median for this date
Normal for this date
6,487.95 ft – 6,500.81 ft8 years in 10 fall in this range (36 years of records)
Same day last year
6,490.43 ft+7.96 ft
Lowest and highest in 30 days
6,497.72 ft – 6,498.44 ft
Lowest and highest in 12 months
6,478.44 ft – 6,500.43 ft

Boating and fishing at Fontenelle Reservoir

Slightly high water rarely causes problems on the water itself, though some low-lying shoreline spots may be wet.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:37 AM Sunset 06:35 PM Daylight 10 hr, 58 min First quarter 53%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Green River below Fontenelle ReservoirRiver gauge, Green River 11.10 ft Below flood stage −0.01 ft 3.5 mi
Green River near La BargeRiver gauge, Green River 5.34 ft Below flood stage −0.03 ft 10 mi
Fontenelle Creek near Herschler Ranch, near FontenelleRiver gauge, Fontenelle Creek 5.25 ft Below flood stage −0.01 ft 17 mi
Big Sandy River at Gasson Bridge, near EdenRiver gauge, Big Sandy River 28.8 cfs Low +3.7 cfs 22 mi
Hams Fork at DiamondvilleRiver gauge, Hams Fork 23.8 cfs Low ±0 30 mi
Hams Fork below Pole Creek, near FrontierRiver gauge, Hams Fork 2.71 ft Below flood stage −0.01 ft 32 mi
New Fork River near Big PineyRiver gauge, New Fork River 2.82 ft Below flood stage +0.01 ft 36 mi
Muddy Creek near HamptonRiver gauge, Muddy Creek 16.1 cfs High +0.5 cfs 37 mi

Questions and answers

How does Fontenelle Reservoir compare with last year?

It is 7.96 ft higher than on the same day last year, when the reading was 6,490.43 ft.

What is a normal level for Fontenelle Reservoir in mid-October?

The median for mid-October is 6,492.93 ft. In 8 years out of 10 the reading falls between 6,487.95 ft and 6,500.81 ft, based on 36 years of records.

Is Fontenelle Reservoir really 6,498.39 ft deep?

No. 6,498.39 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Fontenelle Reservoir today?

On Oct 17, 2026, the surface elevation was 6,498.39 ft. Up 0.67 ft over the last 7 days.

Is Fontenelle Reservoir rising or falling?

Up 0.67 ft over the last 7 days.

Is the level of Fontenelle Reservoir normal?

High for mid-October. Compared with 36 years of daily readings for this time of year.

How often is this data updated?

The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Bureau of Reclamation
Station code
usbr:1536 (Agency page)
Coordinates
42.05781, -110.09665 (WGS84)
Update interval
once a day
Licence
Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 6,498.39 ft 2026-10-17 07:00 Provisional
Water stored 276,469 acre‑ft 2026-10-17 07:00 Provisional

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How to cite

U.S. Bureau of Reclamation: Fontenelle Reservoir (usbr:1536). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/wyoming/fontenelle-reservoir

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer