Coleto Creek Reservoir: 74.7% full as of 2026-10-04
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 | 2026-10-04 | 74.7 | 94.65 | 23,200 | 23,200 | 31,040 | 2,179 |
| Yesterday | 2026-10-03 | 73.8 | 94.51 | 22,898 | 22,898 | 31,040 | 2,158 |
| 2 days ago | 2026-10-02 | 72.5 | 94.33 | 22,510 | 22,510 | 31,040 | 2,132 |
| 1 week ago | 2026-09-27 | 71.8 | 94.22 | 22,273 | 22,273 | 31,040 | 2,116 |
| 1 month ago | 2026-09-04 | 74.9 | 94.67 | 23,243 | 23,243 | 31,040 | 2,182 |
| 3 months ago | 2026-07-04 | 83.1 | 95.80 | 25,794 | 25,794 | 31,040 | 2,341 |
| 6 months ago | 2026-04-04 | 75.6 | 94.77 | 23,459 | 23,459 | 31,040 | 2,196 |
| 1 year ago | 2025-10-04 | 84.9 | 96.04 | 26,352 | 26,352 | 31,040 | 2,375 |
*
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 | 2026-10-04 13:00 | 94.66 | 98.00 | -3.34 |
| 1 hour prior | 2026-10-04 12:00 | 94.67 | 98.00 | -3.33 |
| 2 hours prior | 2026-10-04 11:00 | 94.65 | 98.00 | -3.35 |
| 6 hours prior | 2026-10-04 07:00 | 94.64 | 98.00 | -3.36 |
| 12 hours prior | 2026-10-04 01:00 | 94.66 | 98.00 | -3.34 |
| 24 hours prior | 2026-10-03 13:00 | 94.47 | 98.00 | -3.53 |
| 48 hours prior | 2026-10-02 13:00 | 94.36 | 98.00 | -3.64 |
*
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 |