Coleto Creek Reservoir: 81.0% full as of 2026-08-03
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 | 2026-08-03 | 81.0 | 95.51 | 25,127 | 25,127 | 31,040 | 2,301 |
| Yesterday | 2026-08-02 | 81.1 | 95.53 | 25,173 | 25,173 | 31,040 | 2,304 |
| 2 days ago | 2026-08-01 | 81.2 | 95.54 | 25,196 | 25,196 | 31,040 | 2,305 |
| 1 week ago | 2026-07-27 | 82.8 | 95.76 | 25,702 | 25,702 | 31,040 | 2,336 |
| 1 month ago | 2026-07-03 | 83.2 | 95.82 | 25,840 | 25,840 | 31,040 | 2,344 |
| 3 months ago | 2026-05-03 | 75.1 | 94.70 | 23,308 | 23,308 | 31,040 | 2,186 |
| 6 months ago | 2026-02-03 | 75.3 | 94.73 | 23,373 | 23,373 | 31,040 | 2,191 |
| 1 year ago | 2025-08-03 | 97.1 | 97.62 | 30,149 | 30,149 | 31,040 | 2,600 |
*
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 | 2026-08-03 15:00 | 95.51 | 98.00 | -2.49 |
| 1 hour prior | 2026-08-03 14:00 | 95.50 | 98.00 | -2.50 |
| 2 hours prior | 2026-08-03 13:00 | 95.51 | 98.00 | -2.49 |
| 6 hours prior | 2026-08-03 09:00 | 95.50 | 98.00 | -2.50 |
| 12 hours prior | 2026-08-03 03:00 | 95.51 | 98.00 | -2.49 |
| 24 hours prior | 2026-08-02 15:00 | 95.52 | 98.00 | -2.48 |
| 48 hours prior | 2026-08-01 15:00 | 95.54 | 98.00 | -2.46 |
*
Data is provisional and subject to revision.
Additional Information
| Impoundment date | 1980-01-01 |
| Vertical datum | NGVD29 +80 |
| Service spillway crest elevation | 71.00 ft above NGVD29 +80 |
| Emergency spillway crest elevation | 107.30 ft above NGVD29 +80 |
| Maximum design elevation | 114.80 ft above NGVD29 +80 |
| Top of dam elevation | 120.00 ft above NGVD29 +80 |
| Conservation pool elevation | 98.00 ft above NGVD29 +80 |
| Data download (CSV) | period of record, last one year, last 30 days |
Elevation-Area-Capacity Curves
1978-01-01 (source: UNKNOWN)
|
|
| Data Source | USGS:08177400 |
| USGS Monitoring Location | USGS:08177400 |
Lake Location
