Lake Austin

Lake Austin in Texas

Lake Austin sits at 30.2943, -97.7863. The deepest point on record is about 76 feet. The surface sits around 492 feet above sea level. Releases go downstream into the Colorado River.

County parks and private resorts sometimes provide access that federal datasets never record. Public datasets record no beach at Lake Austin, so treat any shoreline access as unmarked and unsupervised.

Freshwater advisories are issued locally, so check the state health department before you swim. Water temperature is not measured at this lake by any public agency we read. Swimming season in Texas runs through the warm months, and day-use areas set their own opening dates.

The closest lakes in this guide are Lake Travis (Texas, 10 mi), Lake Georgetown (Texas, 27 mi) and Lake Marble Falls (Texas, 33 mi). In all, 118 lakes in Texas are covered here.

Readings come from station 08154900 (LCRA Lk Austin at Austin, TX). Conservation capacity is 23,972 acre-feet. The conservation pool tops out at 492.8 ft. The last value stored here, 492.59 ft, is from 2026-09-09. That put the reservoir at 97% of its conservation capacity. A low pool exposes stumps and mud in the shallow arms of the lake.