No person shall throw or cast any substance or refuse into any tank, reservoir, well, trench, pipe, drain, fire hydrant or valve box used in and necessary for the construction, maintenance and operation of the town waterworks, and which substance shall or may tend to fill up such tank, reservoir or valve box, or to fill up or obstruct the flow of water in or from any such stream, trench, pipe, fireplug or drain, or shall throw or cast into any such place any such filth or other substance that shall or may tend to pollute the water therein. (Ord. 342, 3-18-2004)