Coleto Creek Reservoir: 74.7% full as of 2026-10-20
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 | 2026-10-20 | 74.7 | 94.65 | 23,200 | 23,200 | 31,040 | 2,179 |
| 1 day prior | 2026-10-19 | 74.7 | 94.65 | 23,200 | 23,200 | 31,040 | 2,179 |
| 2 days prior | 2026-10-18 | 74.7 | 94.65 | 23,200 | 23,200 | 31,040 | 2,179 |
| 1 week prior | 2026-10-13 | 75.2 | 94.72 | 23,351 | 23,351 | 31,040 | 2,189 |
| 1 month prior | 2026-09-20 | 72.6 | 94.34 | 22,531 | 22,531 | 31,040 | 2,134 |
| 3 months prior | 2026-07-20 | 83.2 | 95.82 | 25,840 | 25,840 | 31,040 | 2,344 |
| 6 months prior | 2026-04-20 | 74.6 | 94.63 | 23,157 | 23,157 | 31,040 | 2,176 |
| 1 year prior | 2025-10-20 | 81.8 | 95.63 | 25,403 | 25,403 | 31,040 | 2,318 |
*
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 | 2026-10-20 23:00 | 94.65 | 98.00 | -3.35 |
| 1 hour prior | 2026-10-20 22:00 | 94.64 | 98.00 | -3.36 |
| 2 hours prior | 2026-10-20 21:00 | 94.64 | 98.00 | -3.36 |
| 6 hours prior | 2026-10-20 17:00 | 94.65 | 98.00 | -3.35 |
| 12 hours prior | 2026-10-20 11:00 | 94.65 | 98.00 | -3.35 |
| 24 hours prior | 2026-10-19 23:00 | 94.65 | 98.00 | -3.35 |
| 48 hours prior | 2026-10-18 23:00 | 94.65 | 98.00 | -3.35 |
*
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
