Coleto Creek Reservoir: 75.9% full as of 2026-11-09

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 2026-11-09 75.9 94.82 23,567 23,567 31,040 2,204
1 day prior 2026-11-08 75.4 94.74 23,394 23,394 31,040 2,192
2 days prior 2026-11-07 75.2 94.72 23,351 23,351 31,040 2,189
1 week prior 2026-11-02 75.4 94.75 23,416 23,416 31,040 2,194
1 month prior 2026-10-09 75.2 94.72 23,351 23,351 31,040 2,189
3 months prior 2026-08-09 79.8 95.35 24,760 24,760 31,040 2,279
6 months prior 2026-05-09 75.5 94.76 23,437 23,437 31,040 2,195
1 year prior 2025-11-09 80.4 95.44 24,967 24,967 31,040 2,291
*

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 2026-11-09 23:00 94.88 98.00 -3.12
1 hour prior 2026-11-09 22:00 94.88 98.00 -3.12
2 hours prior 2026-11-09 21:00 94.88 98.00 -3.12
6 hours prior 2026-11-09 17:00 94.87 98.00 -3.13
12 hours prior 2026-11-09 11:00 94.84 98.00 -3.16
24 hours prior 2026-11-08 23:00 94.76 98.00 -3.24
48 hours prior 2026-11-07 23:00 94.72 98.00 -3.28
*

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