Reservoir · Illinois · United States · USACE CWMS
Rend Pool
85.6% full
Capacity
227.79 hm³
Volume stored
195 hm³
Coordinates
38.038°N, 88.962°W
Last updated
2026-10-28
Current fill
85.6%vs 7 days ago
-1.5 pplosing
vs 1 year ago
N/A7-day trend
↓falling
Drought context
Drought Monitor at this site · 20 October 2026
D1moderate drought
The ground at Rend Pool's coordinates falls inside the D1 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Illinois 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. 38.038°N, 88.962°W · Open in Google Maps
About Rend Pool
As of October 28, 2026, Rend Pool is filled to 85.6% of its total capacity, holding 195.03 hm³ of water out of a maximum 227.79 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 1.5 percentage points.
Across the readings we hold for Rend Pool — 131 data points between November 9, 2021 and October 28, 2026 — the level has ranged from a low of 85.6% (October 28, 2026) to a high of 104.8% (November 10, 2021). On average the reservoir is fullest around November and at its lowest around October.
It is operated by USACE primarily for multiple purposes. It is at 38.038°N, 88.962°W.
Key facts
- Current fill level
- 85.6% of total capacity
- Water stored
- 195.03 hm³
- Total capacity
- 227.79 hm³
- 7-day change
- ▼ 1.5 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 38.038°N, 88.962°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 85.6% | 195.03 |
| 27 Oct 2026 | 85.8% | 195.41 |
| 26 Oct 2026 | 86.1% | 196.17 |
| 25 Oct 2026 | 86.3% | 196.55 |
| 24 Oct 2026 | 86.4% | 196.74 |
| 23 Oct 2026 | 86.5% | 196.93 |
| 22 Oct 2026 | 86.8% | 197.69 |
| 21 Oct 2026 | 87.1% | 198.45 |
| 20 Oct 2026 | 87.4% | 199.02 |
| 19 Oct 2026 | 87.7% | 199.8 |
| 18 Oct 2026 | 87.9% | 200.2 |
| 17 Oct 2026 | 88.2% | 200.8 |