Conn. Gen. Stat. § 19a-313: (Formerly Sec. 19-161a). Burials above ground restricted.

No person shall be buried, interred or entombed in any burying ground, or in any vault, niche, crypt, columbarium, mausoleum or structure wholly or partially above the surface of the ground, unless such burying ground or structure is located within the confines of an established cemetery which is owned, managed or controlled by a municipality, ecclesiastical society, cemetery association or corporation, as provided in this chapter, or a private burying ground or structure approved by the Department of Public Health.