White River Reservoir: 23.4% full as of 2026-08-17
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 | 2026-08-17 | 23.4 | 2,350.07 | 7,445 | 7,445 | 31,846 | 691 |
| Yesterday | 2026-08-16 | 23.4 | 2,350.09 | 7,459 | 7,459 | 31,846 | 692 |
| 2 days ago | 2026-08-15 | 23.5 | 2,350.12 | 7,480 | 7,480 | 31,846 | 693 |
| 1 week ago | 2026-08-10 | 23.9 | 2,350.32 | 7,618 | 7,618 | 31,846 | 698 |
| 1 month ago | 2026-07-17 | 25.6 | 2,351.06 | 8,143 | 8,143 | 31,846 | 722 |
| 3 months ago | 2026-05-17 | 25.3 | 2,350.96 | 8,071 | 8,071 | 31,846 | 718 |
| 6 months ago | 2026-02-17 | 29.6 | 2,352.77 | 9,441 | 9,441 | 31,846 | 795 |
| 1 year ago | 2025-08-17 | 36.4 | 2,355.33 | 11,598 | 11,598 | 31,846 | 888 |
*
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 | 2026-08-17 22:15 | 2,350.05 | 2,372.20 | -22.15 |
| 1 hour prior | 2026-08-17 21:15 | 2,350.04 | 2,372.20 | -22.16 |
| 2 hours prior | 2026-08-17 20:15 | 2,350.04 | 2,372.20 | -22.16 |
| 6 hours prior | 2026-08-17 16:15 | 2,350.04 | 2,372.20 | -22.16 |
| 12 hours prior | 2026-08-17 10:15 | 2,350.06 | 2,372.20 | -22.14 |
| 24 hours prior | 2026-08-16 22:15 | 2,350.07 | 2,372.20 | -22.13 |
| 48 hours prior | 2026-08-15 22:15 | 2,350.10 | 2,372.20 | -22.10 |
*
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 |