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)
Data Source USGS:08177400
USGS Monitoring Location USGS:08177400

Lake Location