Greenwood Reservoir, MI

As of 2026-10-12, Greenwood Reservoir sits at 109.31 ft, which is below average for this time of year. Over the past 30 days the level has fallen 2.27 ft.

The most recent reading at Greenwood Reservoir is 109.31 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Greenwood Reservoir in our records is 116.75 ft on 2026-04-19. The lowest is 97.67 ft on 1999-03-17. Our record covers about 29 years of readings.

Compared with every October in our records, the current level is higher than 24% of them, which we classify as below 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. Greenwood Reservoir has fallen 2.27 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

Greenwood Reservoir is -4.93 ft compared with this date last year (109.31 ft today). The full-history chart above covers 29 years, with a record high of 116.75 ft and a record low of 97.67 ft.