Belton Lake: 96.1% full as of 2026-09-18
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 | 2026-09-18 | 96.1 | 592.62 | 415,707 | 415,707 | 432,631 | 12,082 |
| Yesterday | 2026-09-17 | 96.1 | 592.64 | 415,949 | 415,949 | 432,631 | 12,088 |
| 2 days ago | 2026-09-16 | 96.3 | 592.68 | 416,433 | 416,433 | 432,631 | 12,098 |
| 1 week ago | 2026-09-11 | 96.8 | 592.89 | 418,979 | 418,979 | 432,631 | 12,153 |
| 1 month ago | 2026-08-18 | 99.9 | 593.95 | 432,009 | 432,009 | 432,631 | 12,431 |
| 3 months ago | 2026-06-18 | 100.0 | 595.94 | 457,267 | 432,631 | 432,631 | - n.a. - |
| 6 months ago | 2026-03-18 | 97.1 | 592.99 | 420,196 | 420,196 | 432,631 | 12,180 |
| 1 year ago | 2025-09-18 | 100.0 | 594.22 | 435,375 | 432,631 | 432,631 | - n.a. - |
*
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 | 2026-09-18 06:00 | 592.63 | 594.00 | -1.37 |
| 1 hour prior | 2026-09-18 05:00 | 592.61 | 594.00 | -1.39 |
| 2 hours prior | 2026-09-18 04:00 | 592.61 | 594.00 | -1.39 |
| 6 hours prior | 2026-09-18 00:00 | 592.63 | 594.00 | -1.37 |
| 12 hours prior | 2026-09-17 18:00 | 592.63 | 594.00 | -1.37 |
| 24 hours prior | 2026-09-17 06:00 | 592.66 | 594.00 | -1.34 |
| 48 hours prior | 2026-09-16 06:00 | 592.69 | 594.00 | -1.31 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1954-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 483.00 ft above NGVD29 |
| Emergency spillway crest elevation | 631.00 ft above NGVD29 |
| Flood pool elevation | 631.00 ft above NGVD29 |
| Maximum design elevation | 658.02 ft above NGVD29 |
| Top of dam elevation | 662.00 ft above NGVD29 |
| Conservation pool elevation | 594.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1954-01-01 (source: USGS)
1994-09-01 (source: TWDB)
: GIS Data
2003-05-01 (source: TWDB)
: GIS Data
2015-10-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08102000 |
| USGS Monitoring Location | USGS:08102000 |
Lake Location
