A. All wells constructed after the effective date of this chapter shall have a check valve, air gap of which will prevent water from the discharge line from flowing into the well.
B. Within thirty (30) days after the effective date of this chapter, all existing public domestic wells shall have a device of the type described in subsection (A) of this section and it is unlawful, and a public nuisance, to maintain a well without such a device.
C. The devices of the type required to be installed under subsections (A) and (B) of this section shall be placed as close to the pump as practical.
D. It is unlawful to inject any herbicide, chemical or any other pollutant into the discharge line of a well which is not equipped with a device of the type described in subsection (A) of this section. (Prior code § 7807)