Lake levels
Big Hill Lake, KS
- water level
- 856.86 ft
- Condition
- Below average for this time of year
- 7-day change
- -0.12 ft
- Below full
- 1.14 ft
- 30-day change
- -0.33 ft
Reading as of 2026-10-13 | the U.S. Army Corps of Engineers
- Since yesterday
- -0.02 ft
- 7-day change
- -0.12 ft
- 30-day change
- -0.33 ft
- Below full
- 1.14 ft
- 1-year change
- -0.50 ft
In brief
Big Hill Lake stood at 856.86 feet on Oct 13, 2026, 1.14 feet below its full pool of 858 feet. That is lower than 73% of October readings since 2015.
Source: U.S. Army Corps of Engineers
Lake level timeline
Records and averages
| Current level | 856.86 ft |
|---|---|
| Full pool (conservation) | 858.00 ft |
| Flood pool | 867.50 ft |
| Record high | 863.52 ft (2020-05-16) |
| Record low | 834.17 ft (2015-12-16) |
| Average of all readings | 857.63 ft |
| Data span | 11 years (4,264 readings) |
Level schematic
Frequently asked questions
Is Big Hill Lake full right now?
As of 2026-10-13, Big Hill Lake sits at 856.86 ft, which is below average for this time of year. That is 1.14 ft below full pool of 858.00 ft. Over the past 30 days the level has fallen 0.33 ft.
What is the water level at Big Hill Lake today?
The most recent reading at Big Hill Lake is 856.86 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Big Hill Lake has ever been?
The highest level for Big Hill Lake in our records is 863.52 ft on 2020-05-16. The lowest is 834.17 ft on 2015-12-16. Our record covers about 11 years of readings.
Is Big Hill Lake low for this time of year?
Compared with every October in our records, the current level is higher than 27% 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.
Why is Big Hill Lake changing 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. Big Hill Lake has fallen 0.33 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.
How much has Big Hill Lake changed over the past year?
Big Hill Lake is -0.50 ft compared with this date last year (856.86 ft today). The full-history chart above covers 11 years, with a record high of 863.52 ft and a record low of 834.17 ft.
Download and cite
Quote this reading
Big Hill Lake stood at 856.86 feet on Oct 13, 2026, 1.14 feet below its full pool of 858 feet. That is lower than 73% of October readings since 2015.
Download the full record
big-hill-lake-ks-water-level-history.csv
How to cite
MyWaterLevel, “Big Hill Lake water level, 2015 to 2026,” data from U.S. Army Corps of Engineers, https://mywaterlevel.com/lake/ks/big-hill-lake/, accessed Oct 13, 2026.
Source: the U.S. Army Corps of Engineers. All Kansas lake levels. Readings are provisional and may be revised. About our data and methods.