Howard Prairie Lake, OR

As of 2026-09-30, Howard Prairie Lake sits at 4507.94 ft, which is about average for this time of year. Over the past 30 days the level has fallen 1.71 ft.

The most recent reading at Howard Prairie Lake is 4507.94 ft (2026-09-30), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Howard Prairie Lake in our records is 4525.25 ft on 2025-05-24. The lowest is 4480.18 ft on 2022-09-15. Our record covers about 4 years of readings.

Compared with every September in our records, the current level is higher than 50% of them, which we classify as about 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. Howard Prairie Lake has fallen 1.71 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

Howard Prairie Lake is -11.35 ft compared with this date last year (4507.94 ft today). The full-history chart above covers 4 years, with a record high of 4525.25 ft and a record low of 4480.18 ft.