Richland-Chambers Reservoir: 90.3% full as of 2026-09-22
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 | 2026-09-22 | 90.3 | 312.50 | 1,018,012 | 992,229 | 1,099,417 | 41,876 |
| Yesterday | 2026-09-21 | 90.3 | 312.51 | 1,018,431 | 992,648 | 1,099,417 | 41,884 |
| 2 days ago | 2026-09-20 | 90.3 | 312.50 | 1,018,012 | 992,229 | 1,099,417 | 41,876 |
| 1 week ago | 2026-09-15 | 90.7 | 312.61 | 1,022,623 | 996,840 | 1,099,417 | 41,964 |
| 1 month ago | 2026-08-22 | 92.9 | 313.20 | 1,047,520 | 1,021,737 | 1,099,417 | 42,435 |
| 3 months ago | 2026-06-22 | 96.6 | 314.13 | 1,087,332 | 1,061,549 | 1,099,417 | 43,179 |
| 6 months ago | 2026-03-22 | 92.5 | 313.08 | 1,042,435 | 1,016,652 | 1,099,417 | 42,339 |
| 1 year ago | 2025-09-22 | 96.9 | 314.22 | 1,091,221 | 1,065,438 | 1,099,417 | 43,251 |
*
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 | 2026-09-22 05:45 | 312.50 | 315.00 | -2.50 |
| 1 hour prior | 2026-09-22 04:45 | 312.49 | 315.00 | -2.51 |
| 2 hours prior | 2026-09-22 03:45 | 312.49 | 315.00 | -2.51 |
| 6 hours prior | 2026-09-21 23:45 | 312.51 | 315.00 | -2.49 |
| 12 hours prior | 2026-09-21 17:45 | 312.50 | 315.00 | -2.50 |
| 24 hours prior | 2026-09-21 05:45 | 312.48 | 315.00 | -2.52 |
| 48 hours prior | 2026-09-20 05:45 | 312.51 | 315.00 | -2.49 |
*
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 |
Lake Location
