Coleto Creek Reservoir: 75.0% full as of 2026-10-07

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 2026-10-07 75.0 94.69 23,286 23,286 31,040 2,185
Yesterday 2026-10-06 75.0 94.69 23,286 23,286 31,040 2,185
2 days ago 2026-10-05 75.0 94.68 23,265 23,265 31,040 2,183
1 week ago 2026-09-30 71.3 94.15 22,122 22,122 31,040 2,106
1 month ago 2026-09-07 74.3 94.58 23,049 23,049 31,040 2,169
3 months ago 2026-07-07 82.8 95.76 25,702 25,702 31,040 2,336
6 months ago 2026-04-07 74.7 94.64 23,178 23,178 31,040 2,177
1 year ago 2025-10-07 84.4 95.97 26,185 26,185 31,040 2,365
*

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 2026-10-07 04:00 94.69 98.00 -3.31
1 hour prior 2026-10-07 03:00 94.69 98.00 -3.31
2 hours prior 2026-10-07 02:00 94.69 98.00 -3.31
6 hours prior 2026-10-06 22:00 94.69 98.00 -3.31
12 hours prior 2026-10-06 16:00 94.68 98.00 -3.32
24 hours prior 2026-10-06 04:00 94.69 98.00 -3.31
48 hours prior 2026-10-05 04:00 94.67 98.00 -3.33
*

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