Martin Lake: 100.0% full as of 2020-02-21

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 2020-02-21 100.0 306.47 78,075 75,726 75,726 - n.a. -
Yesterday 2020-02-20 98.8 305.82 74,837 74,837 75,726 4,922
2 days ago 2020-02-19 94.1 305.08 71,245 71,245 75,726 4,787
1 week ago 2020-02-14 92.4 304.81 69,959 69,959 75,726 4,738
1 month ago 2020-01-21 80.5 302.83 60,936 60,936 75,726 4,377
3 months ago 2019-11-21 80.5 302.84 60,980 60,980 75,726 4,379
6 months ago 2019-08-21 89.5 304.35 67,800 67,800 75,726 4,654
1 year ago 2019-02-21 100.0 306.09 76,173 75,726 75,726 - 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 2020-02-21 12:30 306.54 306.00 0.54 into flood pool
1 hour prior 2020-02-21 11:30 306.53 306.00 0.53 into flood pool
2 hours prior 2020-02-21 10:30 306.56 306.00 0.56 into flood pool
6 hours prior 2020-02-21 06:30 306.49 306.00 0.49 into flood pool
12 hours prior 2020-02-21 00:30 306.35 306.00 0.35 into flood pool
24 hours prior 2020-02-20 12:30 305.84 306.00 -0.16 below flood pool
48 hours prior 2020-02-19 12:30 305.04 306.00 -0.96 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1974-01-01
Vertical datum NGVD29
Gauge USGS:08022060
Service spillway crest elevation 294.00 ft above NGVD29
Top of flood gate elevation 308.00 ft above NGVD29
Emergency spillway crest elevation 312.00 ft above NGVD29
Top of dam elevation 321.50 ft above NGVD29
Conservation pool elevation 306.00 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1999-05-01 (source: twdb) : GIS Data
2014-08-01 (source: twdb) : GIS Data

Lake Location