Reservoir · Mississippi · United States · USACE CWMS
Grenada Lake
48.4% full
Capacity
990.49 hm³
Volume stored
479 hm³
Coordinates
33.809°N, 89.771°W
Last updated
2026-07-30
Current fill
48.4%vs 7 days ago
0.0%stable
vs 1 year ago
+0.9%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: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 33.809, -89.771 · Open in Google Maps
About Grenada Lake
As of July 30, 2026, Grenada Lake is filled to 48.4% of its total capacity, holding roughly 479 hm³ of water out of a maximum 990 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 (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Grenada Lake — 330 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 10.9% (December 20, 2021) to a high of 105.0% (July 31, 2021). On average the reservoir is fullest around August and at its lowest around January.
It is operated by USACE primarily for multiple purposes. It lies within the Mississippi basin at 33.809°N, 89.771°W.
Key facts
- Current fill level
- 48.4%
- Water stored
- 479 hm³
- Total capacity
- 990 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 0.9 pts
- Primary use
- Multipurpose
- River basin
- Mississippi
- Operator
- USACE
- Coordinates
- 33.809°N, 89.771°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 48.4% | 479 |
| 29 Jul 2026 | 48.4% | 480 |
| 28 Jul 2026 | 48.2% | 478 |
| 27 Jul 2026 | 48.3% | 478 |
| 26 Jul 2026 | 48.3% | 479 |
| 25 Jul 2026 | 48.3% | 478 |
| 24 Jul 2026 | 48.4% | 479 |
| 23 Jul 2026 | 48.4% | 480 |
| 22 Jul 2026 | 48.6% | 481 |
| 21 Jul 2026 | 48.5% | 480 |
| 20 Jul 2026 | 48.5% | 480 |
| 19 Jul 2026 | 48.4% | 480 |
Frequently asked questions
What is the current water level of Grenada Lake?
As of July 30, 2026, Grenada Lake is at 48.4% of its capacity, holding approximately 479 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Grenada Lake reservoir full?
No. As of July 30, 2026, Grenada Lake is within its normal operating range at 48.4% of its capacity, so it is not full.
Is the water level at Grenada Lake rising or falling?
The level at Grenada Lake has been broadly stable over the latest week on record (0.0 points).
How much water can Grenada Lake hold?
Grenada Lake has a total capacity of 990 hm³.
Where is Grenada Lake reservoir located?
Grenada Lake is located in Mississippi, United States, within the Mississippi basin (coordinates 33.809°N, 89.771°W).
What is Grenada Lake used for?
Grenada Lake is used primarily for multiple purposes, and is managed by USACE.