Reservoir · Kentucky · United States · USACE CWMS
Rough River Lake
76.2% full
Capacity
186.01 hm³
Volume stored
142 hm³
Coordinates
37.620°N, 86.500°W
Last updated
2026-06-11
Current fill
76.2%vs 7 days ago
+0.5%gaining
vs 1 year ago
+52.1%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: 2026-06-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.620, -86.500 · Open in Google Maps
About Rough River Lake
As of June 11, 2026, Rough River Lake is filled to 76.2% of its total capacity, holding roughly 142 hm³ of water out of a maximum 186 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 (+0.5 pts), and it is 52.1 points above its level on the same date a year earlier.
Across the readings we hold for Rough River Lake — 329 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 19.6% (March 2, 2026) to a high of 100.0% (June 13, 2021). On average the reservoir is fullest around July and at its lowest around April.
It is operated by USACE primarily for multiple purposes. It lies within the Kentucky basin at 37.620°N, 86.500°W.
Key facts
- Current fill level
- 76.2%
- Water stored
- 142 hm³
- Total capacity
- 186 hm³
- 7-day change
- ▲ 0.5 pts
- Year-on-year
- ▲ 52.1 pts
- Primary use
- Multipurpose
- River basin
- Kentucky
- Operator
- USACE
- Coordinates
- 37.620°N, 86.500°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 76.2% | 142 |
| 10 Jun 2026 | 75.7% | 141 |
| 9 Jun 2026 | 72.7% | 135 |
| 8 Jun 2026 | 62.5% | 116 |
| 7 Jun 2026 | 62.3% | 116 |
| 6 Jun 2026 | 62.1% | 116 |
| 5 Jun 2026 | 62.0% | 115 |
| 4 Jun 2026 | 61.9% | 115 |
| 3 Jun 2026 | 61.8% | 115 |
| 2 Jun 2026 | 61.6% | 115 |
| 1 Jun 2026 | 61.3% | 114 |
| 31 May 2026 | 61.0% | 114 |
Frequently asked questions
What is the current water level of Rough River Lake?
As of June 11, 2026, Rough River Lake is at 76.2% of its capacity, holding approximately 142 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Rough River Lake reservoir full?
No. As of June 11, 2026, Rough River Lake is within its normal operating range at 76.2% of its capacity, so it is not full.
Is the water level at Rough River Lake rising or falling?
The level at Rough River Lake has been broadly stable over the latest week on record (+0.5 points).
How much water can Rough River Lake hold?
Rough River Lake has a total capacity of 186 hm³.
Where is Rough River Lake reservoir located?
Rough River Lake is located in Kentucky, United States, within the Kentucky basin (coordinates 37.620°N, 86.500°W).
What is Rough River Lake used for?
Rough River Lake is used primarily for multiple purposes, and is managed by USACE.