Reservoir · Georgia · United States · USACE CWMS
GW Andrews Lock and Dam
99.7% full
Capacity
22.42 hm³
Volume stored
22 hm³
Coordinates
31.259°N, 85.111°W
Last updated
2026-09-14
Current fill
99.7%vs 7 days ago
-5.3%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: 2026-09-14.
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 September 14, 2026, GW Andrews Lock and Dam is filled to 99.7% of its total capacity, holding roughly 22 hm³ of water out of a maximum 22 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 5.3 percentage points.
Across the readings we hold for GW Andrews Lock and Dam — 47 data points between July 30, 2026 and September 14, 2026 — the level has ranged from a low of 97.9% (September 11, 2026) to a high of 105.0% (July 30, 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
- 99.7%
- Water stored
- 22 hm³
- Total capacity
- 22 hm³
- 7-day change
- ▼ 5.3 pts
- Primary use
- Multipurpose
- River basin
- Georgia
- Operator
- USACE
- Coordinates
- 31.259°N, 85.111°W
- Last updated
- September 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Sep 2026 | 99.7% | 22 |
| 13 Sep 2026 | 104.1% | 23 |
| 12 Sep 2026 | 103.7% | 23 |
| 11 Sep 2026 | 97.9% | 22 |
| 10 Sep 2026 | 102.5% | 23 |
| 9 Sep 2026 | 103.5% | 23 |
| 8 Sep 2026 | 102.8% | 23 |
| 7 Sep 2026 | 105.0% | 24 |
| 6 Sep 2026 | 105.0% | 24 |
| 5 Sep 2026 | 103.2% | 23 |
| 4 Sep 2026 | 105.0% | 24 |
| 3 Sep 2026 | 105.0% | 24 |