Reservoir · Illinois · United States · USACE CWMS
Shelbyville Pool
75.2% full
Capacity
419.05 hm³
Volume stored
315 hm³
Coordinates
39.409°N, 88.780°W
Last updated
2026-07-31
Current fill
75.2%vs 7 days ago
-0.4%losing
vs 1 year ago
+6.3%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: 2026-07-31.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.409, -88.780 · Open in Google Maps
About Shelbyville Pool
As of July 31, 2026, Shelbyville Pool is filled to 75.2% of its total capacity, holding roughly 315 hm³ of water out of a maximum 419 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 (-0.4 pts), and it is 6.3 points above its level on the same date a year earlier.
Across the readings we hold for Shelbyville Pool — 93 data points between April 29, 2026 and July 31, 2026 — the level has ranged from a low of 58.9% (April 29, 2026) to a high of 100.0% (June 28, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Illinois basin at 39.409°N, 88.780°W.
Key facts
- Current fill level
- 75.2%
- Water stored
- 315 hm³
- Total capacity
- 419 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▲ 6.3 pts
- Primary use
- Multipurpose
- River basin
- Illinois
- Operator
- USACE
- Coordinates
- 39.409°N, 88.780°W
- Last updated
- July 31, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 31 Jul 2026 | 75.2% | 315 |
| 30 Jul 2026 | 75.6% | 317 |
| 29 Jul 2026 | 76.6% | 321 |
| 28 Jul 2026 | 77.5% | 325 |
| 27 Jul 2026 | 78.4% | 329 |
| 26 Jul 2026 | 79.3% | 333 |
| 25 Jul 2026 | 80.3% | 336 |
| 24 Jul 2026 | 81.2% | 340 |
| 23 Jul 2026 | 82.3% | 345 |
| 22 Jul 2026 | 83.4% | 349 |
| 21 Jul 2026 | 84.4% | 354 |
| 20 Jul 2026 | 85.3% | 357 |
Frequently asked questions
What is the current water level of Shelbyville Pool?
As of July 31, 2026, Shelbyville Pool is at 75.2% of its capacity, holding approximately 315 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Shelbyville Pool reservoir full?
No. As of July 31, 2026, Shelbyville Pool is within its normal operating range at 75.2% of its capacity, so it is not full.
Is the water level at Shelbyville Pool rising or falling?
The level at Shelbyville Pool has been broadly stable over the latest week on record (-0.4 points).
How much water can Shelbyville Pool hold?
Shelbyville Pool has a total capacity of 419 hm³.
Where is Shelbyville Pool reservoir located?
Shelbyville Pool is located in Illinois, United States, within the Illinois basin (coordinates 39.409°N, 88.780°W).
What is Shelbyville Pool used for?
Shelbyville Pool is used primarily for multiple purposes, and is managed by USACE.