Fontenelle Reservoir, WY

As of 2026-10-12, Fontenelle Reservoir sits at 6497.72 ft, which is above average for this time of year. Over the past 30 days the level has fallen 1.27 ft.

The most recent reading at Fontenelle Reservoir is 6497.72 ft (2026-10-12), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Fontenelle Reservoir in our records is 6504.95 ft on 2022-07-22. The lowest is 6467.67 ft on 2023-04-14. Our record covers about 5 years of readings.

Compared with every October in our records, the current level is higher than 75% of them, which we classify as 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.

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. Fontenelle Reservoir has fallen 1.27 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

Fontenelle Reservoir is +6.82 ft compared with this date last year (6497.72 ft today). The full-history chart above covers 5 years, with a record high of 6504.95 ft and a record low of 6467.67 ft.