He said that there have long been reports of alligators swimming in the waters of Stillhouse Hollow Reservoir and Lake Belton. As you can see from the graphic above, the Central Texas area, which includes Stillhouse Hollow Reservoir and Lake Belton, is on the extreme Western edge of recognized alligator habitat.Click to see full answer. Keeping this in consideration, what kind of fish are in Belton Lake? Longnose gar Largemouth bass Bluegill Smallmouth bass White bass are there alligators in Killeen TX? Yes, there are alligators in Stillhouse Lake. Earlier this week, a Texas Game Warden investigation sparked by social media posts on Facebook detailing the killing of an 11-foot alligator has resulted in the arrests of two Killeen men. People also ask, are there alligators in the Lampasas River? The Lampasas river is the northernmost and westernmost river in the natural range of the American Alligator, which is still found there. In June 2015, 2 men were arrested for shooting and killing an alligator that they found on the river.Are there alligators in Lake Austin?Recent alligator incidents in the Austin metro area, coupled with the perception that this monster was taken in the Dallas area has worried some urban residents. But the Trinity gator wasn’t found in an urban area. There are between 250,000 and half a million alligators living in Texas today.