For the most up-to-date information on the coronavirus COVID-19 visit For more information about Governor Abbott's executive order on mandatory face coverings for Texans visit this link.

Lake Operations is responsible for the maintenance on and around Lake Nasworthy and Twin Buttes Reservoir. This includes: repair and upkeep of City-owned boat docks and ramps, watering and mowing of park facilities, removal of dead or diseased trees and planting of new trees, repair and/or replacement of buoys, emptying more than 200 trash cans on a regular basis, and brush abatement.  

To report vandalism, contact the San Angelo Police Department at 325-481-2750.
To report illegal dumping, contact the Tom Green County Sheriff's Department. at 325-655-8111. A license plate is required. 

Hunting at Twin Buttes Reservoir

New Texas Parks & Wildlife map for Twin Buttes Reservoir

Detailed aerial compartment maps of Twin Buttes

Only hunting with a bow or a shotgun with slugs (buckshot is prohibited) for white-tailed deer, exotic mammal, and feral hogs is permitted.  Shotguns with non-toxic shot or no larger than #4 lead shot may also be used for small game, game birds, and migratory game birds.  

Please note that 400 square inches of Hunter Orange material with orange head wear and at least 144 square inches appearing on both chest and back during firearms seasons is required (migratory bird and spring turkey hunters are exempt).

No other sorts of firearms may be fired at Twin Buttes and target/skeet shooting is illegal. Shooting across the equalization channel between the reservoir's north and south pools is also prohibited.  Baiting is allowed by hand broadcast only and temporary blinds (tripods, pop-up blind, stand, etc) may be in place for a maximum of 72 hours only.   

As with City parks, glass containers are not allowed at Twin Buttes. 

More detailed information can be found in the TPWD Annual Public Hunting Book here.  

Otherwise, hunters should follow state hunting regulations as prescribed by the Texas Parks and Wildlife Department. The TPWD website's hunting page can be found at this link.

Information about hunter education, including when classes are offered in San Angelo, can also be found at the TPWD link. Local classes can also be found by entering "San Angelo hunter education" in an Internet search engine such as Google or Yahoo.

The gates into and around Twin Buttes are locked after a rainfall to prevent damage to the dirt roads. If you should become locked inside the property, call the San Angelo Police Department's non-emergency dispatch number at 325-481-2750. Follow when the gates are locked and reopened on the City's Facebook and Twitter pages.

For a list of frequently asked questions about lake parks, click here.