Section 25-128-46 - Well screens(a) Any well constructed to obtain water from an unconsolidated formation may be equipped with a screen, for the purpose of preventing the entrance of formation material into the well after the well has been developed and completed.(b) The well screen shall: (1) be of a standard design and manufacture, for the specific purpose of well construction;(2) be made of material adequate to withstand normal physical and chemical forces, applied to it during and after installation;(3) shall have openings free of rough edges, irregularities, or other defects that may contribute to corrosion or clogging; and(4) shall be provided with such fittings as are necessary to seal the top of the screen to the casing and to close the bottom.(c) Any well constructed in very coarse gravel shall not, however, be required to have a screen; or, if a screen is used, the bottom may be left open.(d) Any well constructed with multiple screens shall not connect aquifers or zones which have differences in water quality, classification or which maintain different piezometric surfaces.Conn. Agencies Regs. § 25-128-46