178 Neb. Admin. Code, ch. 12, § 006 - DEWATERING WELLS

12-006.01 Permanent Installation: Permanently constructed dewatering wells must be constructed to the same standards as non-potable wells.

12-006.02 Temporary 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.

12-006.02A Location: Dewatering wells must be located or the site graded so that surface drainage is away from the well.

12-006.02B Sanitation: 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.

12-006.02C Well Screens must be composed of nontoxic, durable material.

12-006.02D Temporary Casing: Casing and screen may be re-used.

12-006.02E Casing 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.

12-006.02F Secure Cover: Any temporary dewatering well which is under construction must be protected with a secure cover or cap when it is unattended.

12-006.02G Repair of a Dewatering Well: All temporary dewatering well repairs must be done in accordance with current standards.

Notes

178 Neb. Admin. Code, ch. 12, § 006