White River Reservoir: 21.0% full as of 2026-09-27
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 | 2026-09-27 | 21.0 | 2,348.96 | 6,693 | 6,693 | 31,846 | 664 |
| Yesterday | 2026-09-26 | 21.0 | 2,348.97 | 6,699 | 6,699 | 31,846 | 664 |
| 2 days ago | 2026-09-25 | 21.1 | 2,348.99 | 6,712 | 6,712 | 31,846 | 665 |
| 1 week ago | 2026-09-20 | 21.2 | 2,349.07 | 6,766 | 6,766 | 31,846 | 667 |
| 1 month ago | 2026-08-27 | 22.6 | 2,349.73 | 7,211 | 7,211 | 31,846 | 683 |
| 3 months ago | 2026-06-27 | 27.0 | 2,351.69 | 8,606 | 8,606 | 31,846 | 748 |
| 6 months ago | 2026-03-27 | 28.1 | 2,352.13 | 8,940 | 8,940 | 31,846 | 770 |
| 1 year ago | 2025-09-27 | 34.5 | 2,354.62 | 10,975 | 10,975 | 31,846 | 866 |
*
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 | 2026-09-27 06:15 | 2,348.97 | 2,372.20 | -23.23 |
| 1 hour prior | 2026-09-27 05:15 | 2,348.96 | 2,372.20 | -23.24 |
| 2 hours prior | 2026-09-27 04:15 | 2,348.97 | 2,372.20 | -23.23 |
| 6 hours prior | 2026-09-27 00:15 | 2,348.96 | 2,372.20 | -23.24 |
| 12 hours prior | 2026-09-26 18:15 | 2,348.94 | 2,372.20 | -23.26 |
| 24 hours prior | 2026-09-26 06:15 | 2,348.98 | 2,372.20 | -23.22 |
| 48 hours prior | 2026-09-25 06:15 | 2,348.99 | 2,372.20 | -23.21 |
*
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
|
|
| Data Source | USGS:08080910 |
| USGS Monitoring Location | USGS:08080910 |
Lake Location
