Coleto Creek Reservoir: 77.5% full as of 2026-11-12
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 | 2026-11-12 | 77.5 | 95.05 | 24,070 | 24,070 | 31,040 | 2,237 |
| Yesterday | 2026-11-11 | 77.4 | 95.03 | 24,024 | 24,024 | 31,040 | 2,234 |
| 2 days ago | 2026-11-10 | 76.6 | 94.92 | 23,782 | 23,782 | 31,040 | 2,218 |
| 1 week ago | 2026-11-05 | 75.2 | 94.72 | 23,351 | 23,351 | 31,040 | 2,189 |
| 1 month ago | 2026-10-12 | 75.2 | 94.72 | 23,351 | 23,351 | 31,040 | 2,189 |
| 3 months ago | 2026-08-12 | 79.2 | 95.27 | 24,576 | 24,576 | 31,040 | 2,268 |
| 6 months ago | 2026-05-12 | 75.4 | 94.74 | 23,394 | 23,394 | 31,040 | 2,192 |
| 1 year ago | 2025-11-12 | 79.8 | 95.35 | 24,760 | 24,760 | 31,040 | 2,279 |
*
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 | 2026-11-12 07:00 | 95.05 | 98.00 | -2.95 |
| 1 hour prior | 2026-11-12 06:00 | 95.05 | 98.00 | -2.95 |
| 2 hours prior | 2026-11-12 05:00 | 95.06 | 98.00 | -2.94 |
| 6 hours prior | 2026-11-12 01:00 | 95.05 | 98.00 | -2.95 |
| 12 hours prior | 2026-11-11 19:00 | 95.04 | 98.00 | -2.96 |
| 24 hours prior | 2026-11-11 07:00 | 95.03 | 98.00 | -2.97 |
| 48 hours prior | 2026-11-10 07:00 | 94.88 | 98.00 | -3.12 |
*
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 |