Section 178-12-006 - DEWATERING WELLS12-006.01Permanent Installation: Permanently constructed dewatering wells must be constructed to the same standards as non-potable wells.12-006.02Temporary Installations: Temporary installations must be constructed in a manner that prevents the introduction of contaminants into the ground water. They must be decommissioned within 90 days of installation. 12-006.02ALocation: Dewatering wells must be located or the site graded so that surface drainage is away from the well.12-006.02BSanitation: Temporary dewatering wells must be constructed to prevent the introduction of microbiological, chemical, or radiological substances which may be toxic into the aquifer or aquifers penetrated.12-006.02CWell Screens must be composed of nontoxic, durable material.12-006.02DTemporary Casing: Casing and screen may be re-used.12-006.02ECasing Wall Thickness: The wall thickness of temporary dewatering well casing must be sufficient to withstand the forces imposed on it during installation and pressures exerted on it by the surrounding materials.12-006.02FSecure Cover: Any temporary dewatering well which is under construction must be protected with a secure cover or cap when it is unattended.12-006.02GRepair of a Dewatering Well: All temporary dewatering well repairs must be done in accordance with current standards.178 Neb. Admin. Code, ch. 12, § 006