Coleto Creek Reservoir: 76.8% full as of 2026-08-23
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 | 2026-08-23 | 76.8 | 94.94 | 23,826 | 23,826 | 31,040 | 2,221 |
| 1 day prior | 2026-08-22 | 77.0 | 94.97 | 23,890 | 23,890 | 31,040 | 2,226 |
| 2 days prior | 2026-08-21 | 77.1 | 94.99 | 23,933 | 23,933 | 31,040 | 2,229 |
| 1 week prior | 2026-08-16 | 78.2 | 95.14 | 24,277 | 24,277 | 31,040 | 2,249 |
| 1 month prior | 2026-07-23 | 83.7 | 95.88 | 25,978 | 25,978 | 31,040 | 2,352 |
| 3 months prior | 2026-05-23 | 76.5 | 94.90 | 23,739 | 23,739 | 31,040 | 2,215 |
| 6 months prior | 2026-02-23 | 75.9 | 94.82 | 23,567 | 23,567 | 31,040 | 2,204 |
| 1 year prior | 2025-08-23 | 93.2 | 97.10 | 28,929 | 28,929 | 31,040 | 2,528 |
*
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 | 2026-08-23 23:45 | 94.94 | 98.00 | -3.06 |
| 1 hour prior | 2026-08-23 22:45 | 94.93 | 98.00 | -3.07 |
| 2 hours prior | 2026-08-23 21:45 | 94.93 | 98.00 | -3.07 |
| 6 hours prior | 2026-08-23 17:45 | 94.93 | 98.00 | -3.07 |
| 12 hours prior | 2026-08-23 11:45 | 94.94 | 98.00 | -3.06 |
| 24 hours prior | 2026-08-22 23:45 | 94.95 | 98.00 | -3.05 |
| 48 hours prior | 2026-08-21 23:45 | 94.98 | 98.00 | -3.02 |
*
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)
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|
| Data Source | USGS:08177400 |
| USGS Monitoring Location | USGS:08177400 |
Lake Location
