Bridgeport Reservoir: 79.5% full as of 2026-08-26
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 | 2026-08-26 | 79.5 | 829.39 | 295,942 | 295,942 | 372,183 | 10,825 |
| Yesterday | 2026-08-25 | 79.6 | 829.43 | 296,375 | 296,375 | 372,183 | 10,834 |
| 2 days ago | 2026-08-24 | 79.9 | 829.52 | 297,351 | 297,351 | 372,183 | 10,853 |
| 1 week ago | 2026-08-19 | 80.9 | 829.86 | 301,053 | 301,053 | 372,183 | 10,926 |
| 1 month ago | 2026-07-26 | 84.3 | 831.01 | 313,761 | 313,761 | 372,183 | 11,171 |
| 3 months ago | 2026-05-26 | 86.7 | 831.80 | 322,650 | 322,650 | 372,183 | 11,332 |
| 6 months ago | 2026-02-26 | 85.0 | 831.24 | 316,336 | 316,336 | 372,183 | 11,219 |
| 1 year ago | 2025-08-26 | 93.7 | 834.07 | 348,897 | 348,897 | 372,183 | 11,809 |
*
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 | 2026-08-26 00:00 | 829.39 | 836.00 | -6.61 |
| 1 hour prior | 2026-08-25 23:00 | 829.40 | 836.00 | -6.60 |
| 2 hours prior | 2026-08-25 22:00 | 829.40 | 836.00 | -6.60 |
| 6 hours prior | 2026-08-25 18:00 | 829.41 | 836.00 | -6.59 |
| 12 hours prior | 2026-08-25 12:00 | 829.42 | 836.00 | -6.58 |
| 24 hours prior | 2026-08-25 00:00 | 829.47 | 836.00 | -6.53 |
| 48 hours prior | 2026-08-24 00:00 | 829.58 | 836.00 | -6.42 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1931-01-01 |
|
Vertical datum
|
NAVD88 |
|
Vertical datum
|
NGVD29 |
|
Dead pool elevation |
752.00 ft above NAVD88 |
|
Dead pool elevation |
751.40 ft above NGVD29 |
| Service spillway crest elevation | 819.52 ft above NAVD88 |
| Top of flood gate elevation | 841.52 ft above NAVD88 |
| Emergency spillway crest elevation | 866.00 ft above NAVD88 |
| Flood pool elevation | 851.00 ft above NAVD88 |
| Maximum design elevation | 871.22 ft above NAVD88 |
| Top of dam elevation | 874.00 ft above NAVD88 |
|
Conservation pool elevation |
836.00 ft above NAVD88 |
|
Conservation pool elevation |
836.00 ft above NGVD29 |
|
Conservation pool elevation |
840.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1931-01-01 (source: USGS)
2000-04-01 (source: TWDB)
: GIS Data
2010-12-01 (source: TWDB)
: GIS Data
2020-10-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08043000 |
| USGS Monitoring Location | USGS:08043000 |