Reservoir · Illinois · United States · USACE CWMS
Rend Pool
102.7% full
Capacity
227.79 hm³
Volume stored
234 hm³
Coordinates
38.038°N, 88.962°W
Last updated
2026-07-30
Current fill
102.7%vs 7 days ago
-0.1%losing
vs 1 year ago
-2.3%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: 2026-07-30.
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 July 30, 2026, Rend Pool is filled to 102.7% of its total capacity, holding roughly 234 hm³ of water out of a maximum 228 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it is 2.3 points below its level on the same date a year earlier.
Across the readings we hold for Rend Pool — 93 data points between April 28, 2026 and July 30, 2026 — the level has ranged from a low of 102.7% (July 30, 2026) to a high of 105.0% (April 28, 2026).
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
- 102.7%
- Water stored
- 234 hm³
- Total capacity
- 228 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 2.3 pts
- Primary use
- Multipurpose
- River basin
- Illinois
- Operator
- USACE
- Coordinates
- 38.038°N, 88.962°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 102.7% | 234 |
| 29 Jul 2026 | 102.8% | 234 |
| 28 Jul 2026 | 103.4% | 236 |
| 27 Jul 2026 | 103.4% | 236 |
| 26 Jul 2026 | 103.6% | 236 |
| 25 Jul 2026 | 104.1% | 237 |
| 24 Jul 2026 | 104.1% | 237 |
| 23 Jul 2026 | 104.4% | 238 |
| 22 Jul 2026 | 105.0% | 239 |
| 21 Jul 2026 | 105.0% | 240 |
| 20 Jul 2026 | 105.0% | 241 |
| 19 Jul 2026 | 105.0% | 241 |
Frequently asked questions
What is the current water level of Rend Pool?
As of July 30, 2026, Rend Pool is at 102.7% of its capacity, holding approximately 234 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Rend Pool reservoir full?
Rend Pool is essentially full, sitting at 102.7% of capacity as of July 30, 2026.
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 (-0.1 points).
How much water can Rend Pool hold?
Rend Pool has a total capacity of 228 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.