(a) The district has the powers provided by the general law of this state applicable to navigation districts created under § 59, Article XVI, Texas Constitution, including Chapters 60 and 62, Water Code.
(b) The district may purchase, construct, acquire, own, operate, maintain, improve, or extend, inside and outside the district, a canal, waterway, bulkhead, dock, or other improvement or facility necessary or convenient to accomplish the navigation purposes of the district.