Which regulatory agency oversees all county jails and privately operated municipal jails in Texas?

The Texas Commission on Jail Standards is the regulatory agency responsible for overseeing all county jails and privately operated municipal jails in Texas. This agency sets standards, conducts inspections, and ensures that jails comply with state laws and regulations. It plays a crucial role in maintaining the safety, security, and right of inmates while also ensuring facilities meet necessary health and safety standards.

The Texas Commission on Jail Standards was established to promote the development of safe and efficient county jails by enforcing compliance with established standards. As a focal point for jail regulation in Texas, any violation of these standards can result in significant consequences for the facilities involved, helping to uphold accountability within the incarceration system.

The other agencies mentioned, such as the Texas Department of Criminal Justice and the Texas Bureau of Prisons, serve different functions primarily related to state prisons and rehabilitation, rather than oversight of county and municipal jails. The Texas State Jail Division, too, focuses more specifically on overseeing state jail facilities rather than all county jails across Texas. Thus, the Texas Commission on Jail Standards is specifically dedicated to the oversight of county and municipal jails, making it the correct answer.