Coleto Creek Reservoir: 68.8% full as of 2021-03-07

The elevation-storage rating curve used to produce the storage hydrograph is made of two segments: (1) the segment up to the conservation pool top (below the red line) is based on measured data, and (2) the segment in the flood pool (above the red line) is an extrapolation from the first segment and shouldn't be relied upon for flood storage information.

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 2021-03-07 68.8 93.78 21,355 21,355 31,040 - n.a. -
Yesterday 2021-03-06 68.7 93.77 21,335 21,335 31,040 - n.a. -
2 days ago 2021-03-05 68.7 93.76 21,315 21,315 31,040 - n.a. -
1 week ago 2021-02-28 68.5 93.74 21,275 21,275 31,040 - n.a. -
1 month ago 2021-02-07 68.5 93.73 21,255 21,255 31,040 - n.a. -
3 months ago 2020-12-07 65.7 93.30 20,390 20,390 31,040 - n.a. -
6 months ago 2020-09-07 64.3 93.09 19,967 19,967 31,040 - n.a. -
1 year ago 2020-03-07 72.1 94.27 22,380 22,380 31,040 - n.a. -
*

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 2021-03-07 18:00 93.77 98.00 -4.23 below flood pool
1 hour prior 2021-03-07 17:00 93.79 98.00 -4.21 below flood pool
2 hours prior 2021-03-07 16:00 93.78 98.00 -4.22 below flood pool
6 hours prior 2021-03-07 12:00 93.79 98.00 -4.21 below flood pool
12 hours prior 2021-03-07 06:00 93.78 98.00 -4.22 below flood pool
24 hours prior 2021-03-06 18:00 93.78 98.00 -4.22 below flood pool
48 hours prior 2021-03-05 18:00 93.78 98.00 -4.22 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1980-01-01
Vertical datum NGVD29 +80
Gauge USGS:08177400
Service spillway crest elevation 71.00 ft above NGVD29 +80
Top of flood gate elevation 99.00 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

Lake Location