Reservoir · Kansas · United States · USACE CWMS
Big Hill Lake
96.4% full
Capacity
33.27 hm³
Volume stored
32 hm³
Coordinates
37.270°N, 95.470°W
Last updated
2026-06-11
Current fill
96.4%vs 7 days ago
-0.5%losing
vs 1 year ago
+0.7%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.270, -95.470 · Open in Google Maps
About Big Hill Lake
As of June 11, 2026, Big Hill Lake is filled to 96.4% of its total capacity, holding roughly 32 hm³ of water out of a maximum 33 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.5 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Big Hill Lake — 329 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 82.2% (February 12, 2026) to a high of 105.0% (July 16, 2021). On average the reservoir is fullest around April and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Kansas basin at 37.270°N, 95.470°W.
Key facts
- Current fill level
- 96.4%
- Water stored
- 32 hm³
- Total capacity
- 33 hm³
- 7-day change
- ▼ 0.5 pts
- Year-on-year
- ▲ 0.7 pts
- Primary use
- Multipurpose
- River basin
- Kansas
- Operator
- USACE
- Coordinates
- 37.270°N, 95.470°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 96.4% | 32 |
| 10 Jun 2026 | 96.9% | 32 |
| 9 Jun 2026 | 97.5% | 32 |
| 8 Jun 2026 | 97.6% | 32 |
| 7 Jun 2026 | 94.5% | 31 |
| 6 Jun 2026 | 94.4% | 31 |
| 5 Jun 2026 | 94.4% | 31 |
| 4 Jun 2026 | 94.5% | 31 |
| 3 Jun 2026 | 94.7% | 32 |
| 2 Jun 2026 | 94.9% | 32 |
| 1 Jun 2026 | 95.0% | 32 |
| 31 May 2026 | 94.4% | 31 |
Frequently asked questions
What is the current water level of Big Hill Lake?
As of June 11, 2026, Big Hill Lake is at 96.4% of its capacity, holding approximately 32 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Big Hill Lake reservoir full?
Big Hill Lake is essentially full, sitting at 96.4% of capacity as of June 11, 2026.
Is the water level at Big Hill Lake rising or falling?
The level at Big Hill Lake has been broadly stable over the latest week on record (-0.5 points).
How much water can Big Hill Lake hold?
Big Hill Lake has a total capacity of 33 hm³.
Where is Big Hill Lake reservoir located?
Big Hill Lake is located in Kansas, United States, within the Kansas basin (coordinates 37.270°N, 95.470°W).
What is Big Hill Lake used for?
Big Hill Lake is used primarily for multiple purposes, and is managed by USACE.