No person may deposit in any canal, lateral, reservoir, or lake, used for a purpose named in this chapter, the carcass of any dead animal, tin cans, discarded buckets or pails, garbage, ashes, bailing or barbed wire, earth, offal, or refuse of any character or any other article which might pollute the water or obstruct the flow of a canal or similar structure.
Tex. Water Code § 11.090