Public Information Announcement: The only materials that are to be burned are yard waste: ie tree limbs originating on your property, leaves, and grass. Anything other than that will be put out, if we have multiple calls to your property the Department of Natural Resources will be notified and you will be fined for illegal burning.
Reference here for more info:
https://dnr.mo.gov/.../facts-open-burning-under.../pub2047
Original source can be found here.