Buffalo Bill Reservoir Water Level

Wyoming · updated daily from the U.S. Bureau of Reclamation

5381.16 ft

Buffalo Bill Reservoir is above average for this time of year and falling (-2.64 ft in the last 7 days).

Change since yesterday: -0.35 ft

Reading as of 2026-08-14 · higher than 60% of August readings on record

Where Buffalo Bill Reservoir sits historically

TODAY 5381.16 ftRECORD LOW5350.28 ft2025-10-15RECORD HIGH5391.9 ft2022-07-18

Today's level compared with every reading in our 5.5-year record for this lake.

Since yesterday

-0.35 ft

7-day change

-2.64 ft

30-day change

-6.06 ft

1-year change

+8.37 ft

Last 30 days

2026-07-155380.4–5388.3 ft2026-08-14

Last 12 months

2025-08-145345.8–5392.0 ft2026-08-14

Full history (5.5 years)

2021-02-215345.3–5396.8 ft2026-08-13

Buffalo Bill Reservoir records and averages

Current level5381.16 ft
Record high5391.9 ft (2022-07-18)
Record low5350.28 ft (2025-10-15)
Average of all readings5368.59 ft
Data span5.5 years (2,000 readings)

Frequently asked questions

Is Buffalo Bill Reservoir full right now?

As of 2026-08-14, Buffalo Bill Reservoir sits at 5381.16 ft, which is above average for this time of year.Over the past 30 days the level has fallen 6.06 ft.

What is the water level at Buffalo Bill Reservoir today?

The most recent reading is 5381.16 ft (2026-08-14), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Buffalo Bill Reservoir has ever been?

The highest level in our records is 5391.9 ft on 2022-07-18. The lowest is 5350.28 ft on 2025-10-15. Our record covers about 5.5 years of readings.

Is Buffalo Bill Reservoir low for this time of year?

Compared with every August in our records, the current level is higher than 60% of them — above average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Buffalo Bill Reservoir low right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Buffalo Bill Reservoir has fallen 6.06 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

How much has Buffalo Bill Reservoir changed over the past year?

The level is +8.37 ft compared with this date last year (5381.16 ft today). The full-history chart above covers 5.5 years, with a record high of 5391.9 ft and a record low of 5350.28 ft.

Nearby lakes in Wyoming

Anchor Reservoir water level
6368.2 ft · rising
Bull Lake Reservoir water level
5791.47 ft · falling
Pilot Butte Reservoir water level
5451.39 ft · falling
Boysen Reservoir water level
4711.74 ft · falling
Jackson Lake water level
6748.67 ft · falling
Grassy Lake water level
7180.69 ft · rising

Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Wyoming lake levels.