Texas Water Code - WATER § 11.206. Improperly Cased Well:  Nuisance

An artesian well that is not tightly cased, capped, and furnished with mechanical appliances that readily and effectively prevent water from flowing out of the well and running over the surface of the ground above the well or wasting through the strata through which it passes is a public nuisance and subject to abatement by the executive director.