Texas Health and Safety Code - HEALTH & SAFETY § 436.102. Depuration

(a) The department may allow depuration by artificial means of molluscan shellfish taken from a restricted or conditionally restricted area, subject to department rules and under the supervision the department considers necessary to protect public health.

(b) A molluscan shellfish plant operator may employ an off-duty peace officer to monitor the gathering of shellfish for depuration from a restricted or conditionally restricted area as provided by the rules adopted under Subsection (a). In this subsection, “peace officer” includes those persons listed in Article 2.12, Code of Criminal Procedure.