A. The Christmas tree and wellhead connections on each well drilled within the city limits shall have at least a minimum working pressure and a minimum test pressure which meets or exceeds the highest of the following three (3) standards:
1. Corporation commission regulations for wells of the applicable depth.
2. Environmental protection agency regulations for wells of the applicable depth.
3. The standards which would be used by a prudent operator for a well of the applicable depth.
B. In the event the surface shut-in pressure of any well within the city limits exceeds two thousand (2,000) pounds per square inch, the flow wing of the Christmas tree shall be equipped with an automatic closing and safety valve in addition to the regular valves. (Ord. 1939 § 4, 2009)