Reservoir · Virginia · United States · USACE CWMS
Lake Moomaw
Lake Moomaw and Gathright Dam
70.3% full
Capacity
152.58 hm³
Volume stored
107 hm³
Vs month average
98% of normal
Coordinates
37.951°N, 79.785°W
Last updated
2026-10-28
Current fill
70.3%vs 7 days ago
-1.1 pplosing
vs 1 year ago
N/A7-day trend
↓falling
Drought context
Storage vs October average
98%of normal
70.3% full on 2026-10-28, against an average of 72.1% for October across 2 years of readings (-1.8 points).
Drought Monitor at this site · 20 October 2026
Nonenot in a drought category
Lake Moomaw's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Virginia drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.951°N, 79.785°W · Open in Google Maps
About Lake Moomaw
As of October 28, 2026, Lake Moomaw is filled to 70.3% of its total capacity, holding 107.27 hm³ of water out of a maximum 152.58 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 1.1 percentage points.
Across the readings we hold for Lake Moomaw — 174 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 69.5% (October 10, 2026) to a high of 100.1% (February 10, 2022). On average the reservoir is fullest around February and at its lowest around October.
It is operated by USACE primarily for multiple purposes. It is at 37.951°N, 79.785°W.
Key facts
- Current fill level
- 70.3% of total capacity
- Water stored
- 107.27 hm³
- Total capacity
- 152.58 hm³
- 7-day change
- ▼ 1.1 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 37.951°N, 79.785°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 70.3% | 107.27 |
| 27 Oct 2026 | 70.4% | 107.43 |
| 26 Oct 2026 | 70.6% | 107.69 |
| 25 Oct 2026 | 70.7% | 107.95 |
| 24 Oct 2026 | 70.9% | 108.22 |
| 23 Oct 2026 | 71.1% | 108.43 |
| 22 Oct 2026 | 71.2% | 108.69 |
| 21 Oct 2026 | 71.4% | 108.88 |
| 20 Oct 2026 | 71.5% | 109.03 |
| 19 Oct 2026 | 71.5% | 109.17 |
| 18 Oct 2026 | 71.6% | 109.22 |
| 17 Oct 2026 | 71.6% | 109.19 |