Richland-Chambers Reservoir: 90.9% full as of 2026-09-13
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 | 2026-09-13 | 90.9 | 312.68 | 1,025,563 | 999,780 | 1,099,417 | 42,020 |
| Yesterday | 2026-09-12 | 91.0 | 312.70 | 1,026,403 | 1,000,620 | 1,099,417 | 42,036 |
| 2 days ago | 2026-09-11 | 91.1 | 312.72 | 1,027,244 | 1,001,461 | 1,099,417 | 42,052 |
| 1 week ago | 2026-09-06 | 91.5 | 312.83 | 1,031,875 | 1,006,092 | 1,099,417 | 42,140 |
| 1 month ago | 2026-08-13 | 94.1 | 313.50 | 1,060,287 | 1,034,504 | 1,099,417 | 42,675 |
| 3 months ago | 2026-06-13 | 94.5 | 313.60 | 1,064,559 | 1,038,776 | 1,099,417 | 42,755 |
| 6 months ago | 2026-03-13 | 92.2 | 313.01 | 1,039,473 | 1,013,690 | 1,099,417 | 42,283 |
| 1 year ago | 2025-09-13 | 97.9 | 314.46 | 1,101,625 | 1,075,842 | 1,099,417 | 43,443 |
*
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 | 2026-09-13 18:45 | 312.66 | 315.00 | -2.34 |
| 1 hour prior | 2026-09-13 17:45 | 312.66 | 315.00 | -2.34 |
| 2 hours prior | 2026-09-13 16:45 | 312.66 | 315.00 | -2.34 |
| 6 hours prior | 2026-09-13 12:45 | 312.67 | 315.00 | -2.33 |
| 12 hours prior | 2026-09-13 06:45 | 312.68 | 315.00 | -2.32 |
| 24 hours prior | 2026-09-12 18:45 | 312.68 | 315.00 | -2.32 |
| 48 hours prior | 2026-09-11 18:45 | 312.71 | 315.00 | -2.29 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1987-01-01 |
| Vertical datum | NGVD29 |
| Dead pool elevation | 266.00 ft above NGVD29 |
| Service spillway crest elevation | 315.00 ft above NGVD29 |
| Emergency spillway crest elevation | 324.50 ft above NGVD29 |
| Top of dam elevation | 330.00 ft above NGVD29 |
| Conservation pool elevation | 315.00 ft above NGVD29 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1987-01-01 (source: USGS)
1996-10-01 (source: USGS)
2007-10-01 (source: TWDB)
: GIS Data
2018-12-01 (source: TWDB)
: GIS Data
|
|
| Data Source | USGS:08064550 |
| USGS Monitoring Location | USGS:08064550 |