Reservoir · Illinois · United States · USACE CWMS
Shelbyville Pool
71.2% full
Capacity
392.48 hm³
Volume stored
280 hm³
Coordinates
39.409°N, 88.780°W
Last updated
2026-05-27
Current fill
71.2%vs 7 days ago
-0.1%losing
vs 1 year ago
+17.9%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. 39.409, -88.780 · Open in Google Maps
About Shelbyville Pool
As of May 27, 2026, Shelbyville Pool is filled to 71.2% of its total capacity, holding roughly 280 hm³ of water out of a maximum 392 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 (-0.1 pts), and it is 17.9 points above its level on the same date a year earlier.
Across the readings we hold for Shelbyville Pool — 210 data points between June 13, 2021 and May 27, 2026 — the level has ranged from a low of 45.8% (February 12, 2026) to a high of 100.0% (July 18, 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 39.409°N, 88.780°W.
Key facts
- Current fill level
- 71.2%
- Water stored
- 280 hm³
- Total capacity
- 392 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▲ 17.9 pts
- Primary use
- Multipurpose
- River basin
- Illinois
- Operator
- USACE
- Coordinates
- 39.409°N, 88.780°W
- Last updated
- May 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 May 2026 | 71.2% | 279 |
| 26 May 2026 | 71.3% | 280 |
| 25 May 2026 | 71.7% | 282 |
| 24 May 2026 | 72.4% | 284 |
| 23 May 2026 | 72.9% | 286 |
| 22 May 2026 | 73.4% | 288 |
| 21 May 2026 | 73.8% | 289 |
| 20 May 2026 | 73.7% | 289 |
| 19 May 2026 | 73.4% | 288 |
| 18 May 2026 | 73.0% | 287 |
| 17 May 2026 | 72.9% | 286 |
| 16 May 2026 | 73.5% | 288 |
Frequently asked questions
What is the current water level of Shelbyville Pool?
As of May 27, 2026, Shelbyville Pool is at 71.2% of its capacity, holding approximately 280 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Shelbyville Pool reservoir full?
No. As of May 27, 2026, Shelbyville Pool is within its normal operating range at 71.2% 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 (-0.1 points).
How much water can Shelbyville Pool hold?
Shelbyville Pool has a total capacity of 392 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.