Reservoir · Georgia · United States · USACE CWMS
GW Andrews Lock and Dam
102.1% full
Capacity
22.42 hm³
Volume stored
23 hm³
Coordinates
31.259°N, 85.111°W
Last updated
2026-07-31
Current fill
102.1%vs 7 days ago
-2.9%losing
vs 1 year ago
N/A7-day trend
↓falling
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: 2026-07-31.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 31.259, -85.111 · Open in Google Maps
About GW Andrews Lock and Dam
As of July 31, 2026, GW Andrews Lock and Dam is filled to 102.1% of its total capacity, holding roughly 23 hm³ of water out of a maximum 22 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has fallen by 2.9 percentage points.
Across the readings we hold for GW Andrews Lock and Dam — 47 data points between June 15, 2026 and July 31, 2026 — the level has ranged from a low of 95.8% (July 23, 2026) to a high of 105.0% (June 15, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Georgia basin at 31.259°N, 85.111°W.
Key facts
- Current fill level
- 102.1%
- Water stored
- 23 hm³
- Total capacity
- 22 hm³
- 7-day change
- ▼ 2.9 pts
- Primary use
- Multipurpose
- River basin
- Georgia
- Operator
- USACE
- Coordinates
- 31.259°N, 85.111°W
- Last updated
- July 31, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 31 Jul 2026 | 102.1% | 23 |
| 30 Jul 2026 | 105.0% | 24 |
| 29 Jul 2026 | 105.0% | 24 |
| 28 Jul 2026 | 104.3% | 23 |
| 27 Jul 2026 | 105.0% | 24 |
| 26 Jul 2026 | 100.6% | 23 |
| 25 Jul 2026 | 105.0% | 24 |
| 24 Jul 2026 | 99.9% | 22 |
| 23 Jul 2026 | 95.8% | 21 |
| 22 Jul 2026 | 104.1% | 23 |
| 21 Jul 2026 | 105.0% | 24 |
| 20 Jul 2026 | 104.3% | 23 |
Frequently asked questions
What is the current water level of GW Andrews Lock and Dam?
As of July 31, 2026, GW Andrews Lock and Dam is at 102.1% of its capacity, holding approximately 23 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is GW Andrews Lock and Dam reservoir full?
GW Andrews Lock and Dam is essentially full, sitting at 102.1% of capacity as of July 31, 2026.
Is the water level at GW Andrews Lock and Dam rising or falling?
The level at GW Andrews Lock and Dam is falling — it dropped 2.9 percentage points over the latest week on record.
How much water can GW Andrews Lock and Dam hold?
GW Andrews Lock and Dam has a total capacity of 22 hm³.
Where is GW Andrews Lock and Dam reservoir located?
GW Andrews Lock and Dam is located in Georgia, United States, within the Georgia basin (coordinates 31.259°N, 85.111°W).
What is GW Andrews Lock and Dam used for?
GW Andrews Lock and Dam is used primarily for multiple purposes, and is managed by USACE.