Reservoir · Illinois · United States · USACE CWMS
Rend Pool
72.5% full
Capacity
366.97 hm³
Volume stored
266 hm³
Coordinates
38.038°N, 88.962°W
Last updated
2026-05-27
Current fill
72.5%vs 7 days ago
0.0%stable
vs 1 year ago
+2.8%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-05-27.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.038, -88.962 · Open in Google Maps
About Rend Pool
As of May 27, 2026, Rend Pool is filled to 72.5% of its total capacity, holding roughly 266 hm³ of water out of a maximum 367 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 2.8 points above its level on the same date a year earlier.
Across the readings we hold for Rend Pool — 210 data points between June 13, 2021 and May 27, 2026 — the level has ranged from a low of 54.3% (February 12, 2026) to a high of 100.0% (July 19, 2021). On average the reservoir is fullest around July and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Illinois basin at 38.038°N, 88.962°W.
Key facts
- Current fill level
- 72.5%
- Water stored
- 266 hm³
- Total capacity
- 367 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 2.8 pts
- Primary use
- Multipurpose
- River basin
- Illinois
- Operator
- USACE
- Coordinates
- 38.038°N, 88.962°W
- Last updated
- May 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 May 2026 | 72.5% | 266 |
| 26 May 2026 | 72.5% | 266 |
| 25 May 2026 | 72.6% | 267 |
| 24 May 2026 | 72.9% | 267 |
| 23 May 2026 | 72.5% | 266 |
| 22 May 2026 | 72.5% | 266 |
| 21 May 2026 | 72.1% | 265 |
| 20 May 2026 | 71.6% | 263 |
| 19 May 2026 | 71.2% | 261 |
| 18 May 2026 | 71.2% | 261 |
| 17 May 2026 | 70.9% | 260 |
| 16 May 2026 | 71.6% | 263 |
Frequently asked questions
What is the current water level of Rend Pool?
As of May 27, 2026, Rend Pool is at 72.5% of its capacity, holding approximately 266 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Rend Pool reservoir full?
No. As of May 27, 2026, Rend Pool is within its normal operating range at 72.5% of its capacity, so it is not full.
Is the water level at Rend Pool rising or falling?
The level at Rend Pool has been broadly stable over the latest week on record (0.0 points).
How much water can Rend Pool hold?
Rend Pool has a total capacity of 367 hm³.
Where is Rend Pool reservoir located?
Rend Pool is located in Illinois, United States, within the Illinois basin (coordinates 38.038°N, 88.962°W).
What is Rend Pool used for?
Rend Pool is used primarily for multiple purposes, and is managed by USACE.