Lake Brownwood: 88.7% full as of 2017-10-17

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)
Most recent 2017-10-17 88.7 1,422.27 114,246 114,246 128,839 6,084
1 day prior 2017-10-16 88.8 1,422.29 114,368 114,368 128,839 6,087
2 days prior 2017-10-15 89.0 1,422.33 114,611 114,611 128,839 6,093
1 week prior 2017-10-10 89.5 1,422.44 115,282 115,282 128,839 6,110
1 month prior 2017-09-17 90.8 1,422.72 116,999 116,999 128,839 6,153
3 months prior 2017-07-17 98.1 1,424.22 126,402 126,402 128,839 6,384
6 months prior 2017-04-17 100.0 1,424.71 129,549 128,839 128,839 6,460
1 year prior 2016-10-17 93.3 1,423.24 120,220 120,220 128,839 6,233
*

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 2017-10-18 01:30 1,422.25 1,424.6 -2.3 below flood pool
1 hour prior 2017-10-18 00:30 1,422.25 1,424.6 -2.3 below flood pool
2 hours prior 2017-10-17 23:30 1,422.26 1,424.6 -2.3 below flood pool
6 hours prior 2017-10-17 19:30 1,422.26 1,424.6 -2.3 below flood pool
12 hours prior 2017-10-17 13:30 1,422.27 1,424.6 -2.3 below flood pool
24 hours prior 2017-10-17 01:30 1,422.28 1,424.6 -2.3 below flood pool
48 hours prior 2017-10-16 01:30 1,422.31 1,424.6 -2.3 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1933-01-01
Vertical datum NGVD29
Gauge USGS:08143000
Dead pool elevation
ending 1959-01-01
1,405.5 ft above NGVD29
Dead pool elevation
starting 1959-01-01
1,329.5 ft above NGVD29
Emergency spillway crest elevation 1,425.0 ft above NAVD88
Top of dam elevation 1,470.0 ft above NAVD88
Conservation pool elevation 1,424.6 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1997-04-01 (source: twdb) : GIS Data

Lake Location