White River Reservoir: 23.2% full as of 2026-08-20
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 | 2026-08-20 | 23.2 | 2,349.98 | 7,383 | 7,383 | 31,846 | 689 |
| Yesterday | 2026-08-19 | 23.2 | 2,350.00 | 7,397 | 7,397 | 31,846 | 689 |
| 2 days ago | 2026-08-18 | 23.3 | 2,350.03 | 7,418 | 7,418 | 31,846 | 690 |
| 1 week ago | 2026-08-13 | 23.7 | 2,350.20 | 7,535 | 7,535 | 31,846 | 695 |
| 1 month ago | 2026-07-20 | 25.5 | 2,351.02 | 8,114 | 8,114 | 31,846 | 721 |
| 3 months ago | 2026-05-20 | 25.2 | 2,350.89 | 8,021 | 8,021 | 31,846 | 716 |
| 6 months ago | 2026-02-20 | 29.5 | 2,352.73 | 9,410 | 9,410 | 31,846 | 793 |
| 1 year ago | 2025-08-20 | 36.2 | 2,355.26 | 11,536 | 11,536 | 31,846 | 886 |
*
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 | 2026-08-20 06:15 | 2,349.99 | 2,372.20 | -22.21 |
| 1 hour prior | 2026-08-20 05:15 | 2,349.98 | 2,372.20 | -22.22 |
| 2 hours prior | 2026-08-20 04:15 | 2,349.98 | 2,372.20 | -22.22 |
| 6 hours prior | 2026-08-20 00:15 | 2,349.98 | 2,372.20 | -22.22 |
| 12 hours prior | 2026-08-19 18:15 | 2,349.97 | 2,372.20 | -22.23 |
| 24 hours prior | 2026-08-19 06:15 | 2,350.00 | 2,372.20 | -22.20 |
| 48 hours prior | 2026-08-18 06:15 | 2,350.04 | 2,372.20 | -22.16 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1963-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 2,323.00 ft above NGVD29 |
| Service spillway crest elevation | 2,372.50 ft above NGVD29 |
| Emergency spillway crest elevation | 2,391.50 ft above NGVD29 |
| Top of dam elevation | 2,395.00 ft above NGVD29 |
| Conservation pool elevation | 2,372.20 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1971-05-01 (source: TWDB REPORT 126)
1992-10-01 (source: TWDB)
: GIS Data
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|
| Data Source | USGS:08080910 |
| USGS Monitoring Location | USGS:08080910 |
Lake Location
