Coleto Creek Reservoir: 75.9% full as of 2026-11-09
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 | 2026-11-09 | 75.9 | 94.82 | 23,567 | 23,567 | 31,040 | 2,204 |
| 1 day prior | 2026-11-08 | 75.4 | 94.74 | 23,394 | 23,394 | 31,040 | 2,192 |
| 2 days prior | 2026-11-07 | 75.2 | 94.72 | 23,351 | 23,351 | 31,040 | 2,189 |
| 1 week prior | 2026-11-02 | 75.4 | 94.75 | 23,416 | 23,416 | 31,040 | 2,194 |
| 1 month prior | 2026-10-09 | 75.2 | 94.72 | 23,351 | 23,351 | 31,040 | 2,189 |
| 3 months prior | 2026-08-09 | 79.8 | 95.35 | 24,760 | 24,760 | 31,040 | 2,279 |
| 6 months prior | 2026-05-09 | 75.5 | 94.76 | 23,437 | 23,437 | 31,040 | 2,195 |
| 1 year prior | 2025-11-09 | 80.4 | 95.44 | 24,967 | 24,967 | 31,040 | 2,291 |
*
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 | 2026-11-09 23:00 | 94.88 | 98.00 | -3.12 |
| 1 hour prior | 2026-11-09 22:00 | 94.88 | 98.00 | -3.12 |
| 2 hours prior | 2026-11-09 21:00 | 94.88 | 98.00 | -3.12 |
| 6 hours prior | 2026-11-09 17:00 | 94.87 | 98.00 | -3.13 |
| 12 hours prior | 2026-11-09 11:00 | 94.84 | 98.00 | -3.16 |
| 24 hours prior | 2026-11-08 23:00 | 94.76 | 98.00 | -3.24 |
| 48 hours prior | 2026-11-07 23:00 | 94.72 | 98.00 | -3.28 |
*
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 |