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Virginia Administrative Code (Last Updated: January 10, 2017) |
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Title 12. Health |
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Agency 5. Department of Health |
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Chapter 630. Private Well Regulations |
Section 400. Materials
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A. General. All materials used in private wells shall have long-term resistance to corrosion and sufficient strength to withstand hydraulic, lateral and bearing loads.
B. Casing. Materials used for casing shall be watertight and shall consist of wrought iron, concrete tile, clay tile, steel, stainless steel or plastic, all designed for water well use or other suitable materials as determined by the division. The division shall maintain a list of approved casing materials.
1. Driven casings shall consist of ductile iron, steel or stainless steel and shall be equipped with a suitable drive boot.
2. Casings used for Class IIIA or IIIB wells shall be steel, stainless steel or plastic.
C. Screens. Where utilized, screens shall be constructed of stainless steel, plastic or other suitable materials as determined by the division. Screens shall be constructed of materials which will not be damaged by any chemical action of the ground water or future cleaning operations. Additionally, screens shall be constructed of materials which will not degrade ground water quality.
D. Joints. Joints shall be watertight and mechanically sound. Welded joints shall have smooth interior surfaces and shall be welded in accordance with acceptable welding practice.
E. Gravel. Gravel utilized for gravel packed wells shall be uniformly graded, cleaned, washed, disinfected and of a suitable size.
Historical Notes
Derived from VR355-34-100 § 3.6, eff. April 1, 1992.