Caddo Lake: 100.0% full as of 2026-09-18
Caddo Lake straddles the border of Texas and Louisiana, Texas has rights to 50% of Lake Caddo's total conservation capacity. Percent full, conservation storage and conservation capacity are based on the Texas share.
Historical Data
| Date | Percent Full |
Mean Water Level (ft) |
Reservoir Storage (acre-ft) |
Conservation Storage (acre-ft) |
Conservation Capacity (acre-ft) |
Surface Area (acres) |
|
|---|---|---|---|---|---|---|---|
| Most recent | 2026-09-18 | 100.0 | 168.69 | 132,745 | 29,898 | 29,898 | 27,154 |
| 1 day prior | 2026-09-17 | 100.0 | 168.67 | 132,262 | 29,898 | 29,898 | 27,111 |
| 2 days prior | 2026-09-16 | 100.0 | 170.11 | 172,389 | 29,898 | 29,898 | 30,311 |
| 1 week prior | 2026-09-11 | 79.3 | 168.08 | 116,625 | 23,710 | 29,898 | 25,683 |
| 1 month prior | 2026-08-18 | 85.2 | 168.21 | 120,151 | 25,473 | 29,898 | 26,010 |
| 3 months prior | 2026-06-18 | 100.0 | 169.09 | 142,673 | 29,898 | 29,898 | 28,029 |
| 6 months prior | 2026-03-18 | 100.0 | 169.16 | 144,546 | 29,898 | 29,898 | 28,190 |
| 1 year prior | 2025-09-18 | 100.0 | 168.72 | 133,461 | 29,898 | 29,898 | 27,219 |
*
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 | 2026-09-19 03:00 | 168.75 | 168.50 | 0.25 |
| 1 hour prior | 2026-09-19 02:00 | 168.77 | 168.50 | 0.27 |
| 2 hours prior | 2026-09-19 01:00 | 168.78 | 168.50 | 0.28 |
| 6 hours prior | 2026-09-18 21:00 | 168.75 | 168.50 | 0.25 |
| 12 hours prior | 2026-09-18 15:00 | 168.72 | 168.50 | 0.22 |
| 24 hours prior | 2026-09-18 03:00 | 168.65 | 168.50 | 0.15 |
| 48 hours prior | 2026-09-17 03:00 | 168.51 | 168.50 | 0.01 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1971-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 166.00 ft above NGVD29 |
| Service spillway crest elevation | 168.50 ft above NGVD29 |
| Emergency spillway crest elevation | 170.50 ft above NGVD29 |
| Top of dam elevation | 176.00 ft above NGVD29 |
| Conservation pool elevation | 168.50 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1974-10-01 (source: TWDB)
|
|
| Data Source | USACE:Caddo Lake |
Lake Location
