Hubbard Creek Reservoir: 38.4% full as of 2026-08-24
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 | 2026-08-24 | 38.4 | 1,167.02 | 125,259 | 120,383 | 313,298 | 8,304 |
| Yesterday | 2026-08-23 | 38.5 | 1,167.03 | 125,342 | 120,466 | 313,298 | 8,308 |
| 2 days ago | 2026-08-22 | 38.5 | 1,167.06 | 125,592 | 120,716 | 313,298 | 8,320 |
| 1 week ago | 2026-08-17 | 38.9 | 1,167.21 | 126,844 | 121,968 | 313,298 | 8,378 |
| 1 month ago | 2026-07-24 | 41.2 | 1,168.06 | 134,108 | 129,232 | 313,298 | 8,716 |
| 3 months ago | 2026-05-24 | 44.4 | 1,169.15 | 143,862 | 138,986 | 313,298 | 9,195 |
| 6 months ago | 2026-02-24 | 42.4 | 1,168.47 | 137,716 | 132,840 | 313,298 | 8,886 |
| 1 year ago | 2025-08-24 | 50.3 | 1,171.10 | 162,592 | 157,716 | 313,298 | 10,006 |
*
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 | 2026-08-24 06:15 | 1,167.01 | 1,183.31 | -16.30 |
| 1 hour prior | 2026-08-24 05:15 | 1,167.01 | 1,183.31 | -16.30 |
| 2 hours prior | 2026-08-24 04:15 | 1,167.01 | 1,183.31 | -16.30 |
| 6 hours prior | 2026-08-24 00:15 | 1,167.02 | 1,183.31 | -16.29 |
| 12 hours prior | 2026-08-23 18:15 | 1,167.02 | 1,183.31 | -16.29 |
| 24 hours prior | 2026-08-23 06:15 | 1,167.04 | 1,183.31 | -16.27 |
| 48 hours prior | 2026-08-22 06:15 | 1,167.06 | 1,183.31 | -16.25 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1962-01-01 |
| Vertical datum | NAVD88 |
|
Dead pool elevation |
1,136.31 ft above NAVD88 |
|
Dead pool elevation |
1,136.00 ft above NGVD29 |
| Service spillway crest elevation | 1,176.50 ft above NGVD29 |
| Emergency spillway crest elevation | 1,194.00 ft above NGVD29 |
| Emergency spillway crest elevation | 1,197.00 ft above NGVD29 |
| Top of dam elevation | 1,208.00 ft above NGVD29 |
|
Conservation pool elevation |
1,183.31 ft above NAVD88 |
|
Conservation pool elevation |
1,183.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1962-01-01 (source: USGS)
1997-02-01 (source: TWDB)
: GIS Data
2018-01-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08086400 |
| USGS Monitoring Location | USGS:08086400 |
Lake Location
