Reservoir · Illinois · United States · USACE CWMS
Shelbyville Pool
59.9% full
Capacity
419.05 hm³
Volume stored
251 hm³
Coordinates
39.409°N, 88.780°W
Last updated
2026-09-14
Current fill
59.9%vs 7 days ago
-0.4%losing
vs 1 year ago
N/A7-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: 2026-09-14.
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 September 14, 2026, Shelbyville Pool is filled to 59.9% of its total capacity, holding roughly 251 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).
Across the readings we hold for Shelbyville Pool — 93 data points between June 14, 2026 and September 14, 2026 — the level has ranged from a low of 59.9% (September 12, 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
- 59.9%
- Water stored
- 251 hm³
- Total capacity
- 419 hm³
- 7-day change
- ▼ 0.4 pts
- Primary use
- Multipurpose
- River basin
- Illinois
- Operator
- USACE
- Coordinates
- 39.409°N, 88.780°W
- Last updated
- September 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Sep 2026 | 59.9% | 251 |
| 13 Sep 2026 | 60.0% | 251 |
| 12 Sep 2026 | 59.9% | 251 |
| 11 Sep 2026 | 60.0% | 251 |
| 10 Sep 2026 | 60.0% | 251 |
| 9 Sep 2026 | 60.2% | 252 |
| 8 Sep 2026 | 60.1% | 252 |
| 7 Sep 2026 | 60.3% | 253 |
| 6 Sep 2026 | 60.4% | 253 |
| 5 Sep 2026 | 60.5% | 253 |
| 4 Sep 2026 | 60.5% | 254 |
| 3 Sep 2026 | 60.6% | 254 |