Greenbelt Lake: 4.3% full as of 2026-11-03
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Today | 2026-11-03 | 4.3 | 2,606.52 | 3,021 | 2,589 | 59,968 | 264 |
| Yesterday | 2026-11-02 | 4.3 | 2,606.55 | 3,029 | 2,597 | 59,968 | 265 |
| 2 days ago | 2026-11-01 | 4.3 | 2,606.55 | 3,029 | 2,597 | 59,968 | 265 |
| 1 week ago | 2026-10-27 | 4.4 | 2,606.61 | 3,045 | 2,613 | 59,968 | 266 |
| 1 month ago | 2026-10-03 | 4.5 | 2,607.03 | 3,149 | 2,717 | 59,968 | 273 |
| 3 months ago | 2026-08-03 | 5.6 | 2,608.96 | 3,798 | 3,366 | 59,968 | 304 |
| 6 months ago | 2026-05-03 | 6.8 | - n.a. - | 4,492 | 4,060 | 59,968 | - n.a. - |
| 1 year ago | 2025-11-03 | 8.1 | 2,613.35 | 5,280 | 4,848 | 59,968 | 381 |
*
Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.
**
Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.
Most Recent Instantaneous Water Level
| Date/time |
Water Level (ft) |
Conservation Pool Elevation (ft) |
Height Above Conservation Pool (ft) |
|
|---|---|---|---|---|
| Most recent | 2026-11-03 12:30 | 2,606.51 | 2,664.00 | -57.49 |
| 1 hour prior | 2026-11-03 11:30 | 2,606.50 | 2,664.00 | -57.50 |
| 2 hours prior | 2026-11-03 10:30 | 2,606.50 | 2,664.00 | -57.50 |
| 6 hours prior | 2026-11-03 06:30 | 2,606.54 | 2,664.00 | -57.46 |
| 12 hours prior | 2026-11-03 00:30 | 2,606.53 | 2,664.00 | -57.47 |
| 24 hours prior | 2026-11-02 12:30 | 2,606.58 | 2,664.00 | -57.42 |
| 48 hours prior | 2026-11-01 12:30 | 2,606.55 | 2,664.00 | -57.45 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1968-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 2,590.00 ft above NGVD29 |
| Service spillway crest elevation | 2,664.00 ft above NGVD29 |
| Emergency spillway crest elevation | 2,674.00 ft above NGVD29 |
| Top of dam elevation | 2,686.00 ft above NGVD29 |
| Conservation pool elevation | 2,664.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
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| Data Source | USGS:07299840 |
| USGS Monitoring Location | USGS:07299840 |
Lake Location
