Coleto Creek Reservoir: 77.5% full as of 2026-11-12

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 2026-11-12 77.5 95.05 24,070 24,070 31,040 2,237
Yesterday 2026-11-11 77.4 95.03 24,024 24,024 31,040 2,234
2 days ago 2026-11-10 76.6 94.92 23,782 23,782 31,040 2,218
1 week ago 2026-11-05 75.2 94.72 23,351 23,351 31,040 2,189
1 month ago 2026-10-12 75.2 94.72 23,351 23,351 31,040 2,189
3 months ago 2026-08-12 79.2 95.27 24,576 24,576 31,040 2,268
6 months ago 2026-05-12 75.4 94.74 23,394 23,394 31,040 2,192
1 year ago 2025-11-12 79.8 95.35 24,760 24,760 31,040 2,279
*

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 2026-11-12 07:00 95.05 98.00 -2.95
1 hour prior 2026-11-12 06:00 95.05 98.00 -2.95
2 hours prior 2026-11-12 05:00 95.06 98.00 -2.94
6 hours prior 2026-11-12 01:00 95.05 98.00 -2.95
12 hours prior 2026-11-11 19:00 95.04 98.00 -2.96
24 hours prior 2026-11-11 07:00 95.03 98.00 -2.97
48 hours prior 2026-11-10 07:00 94.88 98.00 -3.12
*

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