Reservoir · Indiana · United States · USACE CWMS
Patoka Lake
105.0% full
Capacity
206.35 hm³
Volume stored
258 hm³
Coordinates
38.434°N, 86.709°W
Last updated
2026-06-11
Current fill
105.0%vs 7 days ago
0.0%stable
vs 1 year ago
+12.1%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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 38.434, -86.709 · Open in Google Maps
About Patoka Lake
As of June 11, 2026, Patoka Lake is filled to 105.0% of its total capacity, holding roughly 258 hm³ of water out of a maximum 206 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it is 12.1 points above its level on the same date a year earlier.
Across the readings we hold for Patoka Lake — 329 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 86.3% (February 12, 2026) to a high of 105.0% (June 13, 2021). On average the reservoir is fullest around June and at its lowest around February.
It is operated by USACE primarily for multiple purposes. It lies within the Indiana basin at 38.434°N, 86.709°W.
Key facts
- Current fill level
- 105.0%
- Water stored
- 258 hm³
- Total capacity
- 206 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 12.1 pts
- Primary use
- Multipurpose
- River basin
- Indiana
- Operator
- USACE
- Coordinates
- 38.434°N, 86.709°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 105.0% | 258 |
| 10 Jun 2026 | 105.0% | 258 |
| 9 Jun 2026 | 105.0% | 259 |
| 8 Jun 2026 | 105.0% | 259 |
| 7 Jun 2026 | 105.0% | 259 |
| 6 Jun 2026 | 105.0% | 259 |
| 5 Jun 2026 | 105.0% | 260 |
| 4 Jun 2026 | 105.0% | 260 |
| 3 Jun 2026 | 105.0% | 261 |
| 2 Jun 2026 | 105.0% | 261 |
| 1 Jun 2026 | 105.0% | 262 |
| 31 May 2026 | 105.0% | 263 |
Frequently asked questions
What is the current water level of Patoka Lake?
As of June 11, 2026, Patoka Lake is at 105.0% of its capacity, holding approximately 258 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Patoka Lake reservoir full?
Patoka Lake is essentially full, sitting at 105.0% of capacity as of June 11, 2026.
Is the water level at Patoka Lake rising or falling?
The level at Patoka Lake has been broadly stable over the latest week on record (0.0 points).
How much water can Patoka Lake hold?
Patoka Lake has a total capacity of 206 hm³.
Where is Patoka Lake reservoir located?
Patoka Lake is located in Indiana, United States, within the Indiana basin (coordinates 38.434°N, 86.709°W).
What is Patoka Lake used for?
Patoka Lake is used primarily for multiple purposes, and is managed by USACE.

