Reservoir · Kansas · United States · USACE CWMS
Council Grove Lake
88.4% full
Capacity
60.03 hm³
Volume stored
53 hm³
Vs month average
96% of normal
Coordinates
38.679°N, 96.507°W
Last updated
2026-10-28
Current fill
88.4%vs 7 days ago
+0.7 ppgaining
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
96%of normal
88.4% full on 2026-10-28, against an average of 91.7% for October across 2 years of readings (-3.3 points).
Drought Monitor at this site · 20 October 2026
Nonenot in a drought category
Council Grove Lake's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Kansas drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.679°N, 96.507°W · Open in Google Maps
About Council Grove Lake
As of October 28, 2026, Council Grove Lake is filled to 88.4% of its total capacity, holding 53.08 hm³ of water out of a maximum 60.03 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.7 pp).
Across the readings we hold for Council Grove Lake — 299 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 84.8% (September 11, 2026) to a high of 104.8% (July 16, 2026). On average the reservoir is fullest around April and at its lowest around September.
It is operated by USACE primarily for multiple purposes. It is at 38.679°N, 96.507°W.
Key facts
- Current fill level
- 88.4% of total capacity
- Water stored
- 53.08 hm³
- Total capacity
- 60.03 hm³
- 7-day change
- ▲ 0.7 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 38.679°N, 96.507°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 88.4% | 53.08 |
| 27 Oct 2026 | 88.4% | 53.05 |
| 26 Oct 2026 | 88.2% | 52.97 |
| 25 Oct 2026 | 88.2% | 52.93 |
| 24 Oct 2026 | 88.0% | 52.82 |
| 23 Oct 2026 | 87.9% | 52.78 |
| 22 Oct 2026 | 87.8% | 52.7 |
| 21 Oct 2026 | 87.7% | 52.63 |
| 20 Oct 2026 | 88.3% | 53.01 |
| 19 Oct 2026 | 89.3% | 53.58 |
| 18 Oct 2026 | 90.1% | 54.11 |
| 17 Oct 2026 | 91.1% | 54.68 |