Lake Athens: 100.0% full as of 2024-05-21

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 2024-05-21 100.0 440.54 30,560 29,503 29,503 - n.a. -
Yesterday 2024-05-20 100.0 440.56 30,598 29,503 29,503 - n.a. -
2 days ago 2024-05-19 100.0 440.58 30,637 29,503 29,503 - n.a. -
1 week ago 2024-05-14 100.0 440.65 30,771 29,503 29,503 - n.a. -
1 month ago 2024-04-21 100.0 440.73 30,925 29,503 29,503 - n.a. -
3 months ago 2024-02-21 100.0 440.49 30,465 29,503 29,503 - n.a. -
6 months ago 2023-11-21 91.4 438.57 27,007 26,966 29,503 1,649
1 year ago 2023-05-21 100.0 440.40 30,294 29,503 29,503 - 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 2024-05-21 08:30 440.53 440.00 0.53
1 hour prior 2024-05-21 07:30 440.53 440.00 0.53
2 hours prior 2024-05-21 06:30 440.54 440.00 0.54
6 hours prior 2024-05-21 02:30 440.54 440.00 0.54
12 hours prior 2024-05-20 20:30 440.55 440.00 0.55
24 hours prior 2024-05-20 08:30 440.57 440.00 0.57
48 hours prior 2024-05-19 08:30 440.59 440.00 0.59
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1963-01-01
Vertical datum NAVD88
Dead pool elevation 396.50 ft above NAVD88
Service spillway crest elevation 440.00 ft above NGVD29
Emergency spillway crest elevation 446.00 ft above NGVD29
Top of dam elevation 453.00 ft above NGVD29
Conservation pool elevation 440.00 ft above NAVD88
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1998-02-01 (source: TWDB) : GIS Data
Data Source USGS:08031290

Lake Location