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Pilot Butte Reservoir water level

Reservoir, Wyoming, United States

Directions

High for mid-October

Surface elevation

5,453.61ft Down 0.07 ft over the last 7 days

Water stored
28,185 acre‑ft
5,430 5,440 5,450

History

5,4305,4405,450ftOct 13Oct 14Oct 15Oct 16Oct 185,4305,4405,450ftOct 13Oct 15Oct 18
5,4205,440ftSep 20Sep 27Oct 4Oct 11Oct 185,4205,440ftSep 20Oct 4Oct 18
5,4205,4405,460ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20265,4205,4405,460ftOct 2025Apr 2026Oct 2026
5,4205,4405,460ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20265,4205,4405,460ftOct 2016Oct 2021Oct 2026
5,4205,4405,460ftJanMarMayJulSepNov20265,4205,4405,460ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Pilot Butte Reservoir is above normal at 5,453.61 ft.

The median for mid-October is 5,452.90 ft, based on 36 years of readings, so the lake level is 0.71 ft above typical. On the same day last year the reading was 5,454.83 ft, a difference of −1.22 ft.

It has dropped 0.07 ft over the past week. In the last month it has stayed between 5,447.30 ft and 5,453.70 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
5,452.90 ft0.71 ft above the median for this date
Normal for this date
5,425.73 ft – 5,454.09 ft8 years in 10 fall in this range (36 years of records)
Same day last year
5,454.83 ft−1.22 ft
Lowest and highest in 30 days
5,447.30 ft – 5,453.70 ft
Lowest and highest in 12 months
5,447.30 ft – 5,455.68 ft

On the water at Pilot Butte Reservoir

With the level a bit above normal, expect a shoreline slightly higher up than usual and the odd floating branch.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

No rain in the last 3 days.

19 Mon 63° 32° – Wind 8 mph
20 Tue 65° 38° – Wind 7 mph
21 Wed 66° 48° – Wind 7 mph
22 Thu 64° 49° – Wind 7 mph
23 Fri 64° 47° – Wind 25 mph
24 Sat 49° 39° 0.04 in, 40% Wind 20 mph
25 Sun 58° 40° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:34 AM Sunset 06:27 PM Daylight 10 hr, 53 min First quarter 61%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Wind River near KinnearRiver gauge, Wind River 4.29 ft Below flood stage −0.06 ft 4.5 mi
Bull Lake ReservoirReservoir 5,776.01 ft Normal 15 mi
Sf L Wind River above Washakie Reservoir, near Fort WashakieRiver gauge, Sf L Wind River 96.6 cfs Very high ±0 22 mi
Bull Lake Creek above Bull LakeRiver gauge, Bull Lake Creek 271 cfs Very high −29.0 cfs 23 mi
Wind River at RivertonRiver gauge, Wind River 4.15 ft Below flood stage −0.04 ft 23 mi
Little Wind River near RivertonRiver gauge, Little Wind River 2.89 ft Below flood stage −0.05 ft 24 mi
Muddy Creek near ShoshoniRiver gauge, Muddy Creek 9.6 cfs Normal +0.3 cfs 25 mi
Fivemile Creek near ShoshoniRiver gauge, Fivemile Creek 99.9 cfs Normal −10.1 cfs 27 mi

Questions and answers

Is Pilot Butte Reservoir higher than last year?

No, it is 1.22 ft lower than on the same day last year, when the reading was 5,454.83 ft.

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

The median for mid-October is 5,452.90 ft. In 8 years out of 10 the reading falls between 5,425.73 ft and 5,454.09 ft, based on 36 years of records.

Is Pilot Butte Reservoir really 5,453.61 ft deep?

No. 5,453.61 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 Pilot Butte Reservoir today?

On Oct 18, 2026, the surface elevation was 5,453.61 ft. Down 0.07 ft over the last 7 days.

Is Pilot Butte Reservoir rising or falling?

Down 0.07 ft over the last 7 days.

Is the level of Pilot Butte 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:435 (Agency page)
Coordinates
43.20000, -108.75000 (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 5,453.61 ft 2026-10-18 06:00 Provisional
Water stored 28,185 acre‑ft 2026-10-18 06:00 Provisional

Download

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How to cite

U.S. Bureau of Reclamation: Pilot Butte Reservoir (usbr:435). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/wyoming/pilot-butte-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