Lake O the Pines: 87.4% full as of 2026-09-11

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 2026-09-11 87.4 228.12 234,712 234,712 268,566 17,372
Yesterday 2026-09-10 86.3 227.95 231,768 231,768 268,566 17,258
2 days ago 2026-09-09 86.2 227.93 231,423 231,423 268,566 17,245
1 week ago 2026-09-04 87.1 228.07 233,844 233,844 268,566 17,339
1 month ago 2026-08-11 91.1 228.68 244,549 244,549 268,566 17,755
3 months ago 2026-06-11 91.5 228.74 245,615 245,615 268,566 17,793
6 months ago 2026-03-11 95.0 227.81 229,358 229,358 241,363 17,164
1 year ago 2025-09-11 100.0 230.05 269,500 268,566 268,566 - 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 2026-09-11 08:30 228.10 230.00 -1.90 below flood pool
1 hour prior 2026-09-11 07:30 228.11 230.00 -1.89 below flood pool
2 hours prior 2026-09-11 06:30 228.11 230.00 -1.89 below flood pool
6 hours prior 2026-09-11 02:30 228.12 230.00 -1.88 below flood pool
12 hours prior 2026-09-10 20:30 228.11 230.00 -1.89 below flood pool
24 hours prior 2026-09-10 08:30 227.90 230.00 -2.10 below flood pool
48 hours prior 2026-09-09 08:30 227.96 230.00 -2.04 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Impoundment date 1958-01-01
Vertical datum NGVD29
Emergency spillway crest elevation 249.50 ft above NGVD29
Flood pool elevation 249.50 ft above NGVD29
Maximum design elevation 269.90 ft above NGVD29
Top of dam elevation 277.00 ft above NGVD29
Conservation pool elevation
Start date: 1990-05-01 (Seasonal: May 1 to October 1)
  Between September 15 and 30, the pool will be lowered from 230.0 to 228.5 feet.		 230.00 ft above NGVD29
Conservation pool elevation
Start date: 1990-05-01 (Seasonal: October 1 to May 1)		 228.50 ft above NGVD29
Conservation pool elevation
End date: 1990-01-01 		228.50 ft above NGVD29
Conservation pool elevation
Start date to end date: 1990-01-01 to 1990-05-01 		228.50 ft above NGVD29
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

1957-08-01 (source: USACE)
2009-12-01 (source: TWDB) : GIS Data
Data Source USGS:07345900
USGS Monitoring Location USGS:07345900

Lake Location