North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 02 - Environmental Management › Subchapter C - WELL CONSTRUCTION STANDARDS › Section .0100 - CRITERIA AND STANDARDS APPLICABLE TO WATER-SUPPLY AND › Section 02C .0112 - WELL MAINTENANCE: REPAIR: GROUNDWATER RESOURCES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) A
				  well that is not maintained by the owner to conserve and protect the
				  groundwater resources or that constitutes a source or channel of contamination
				  to the water supply or any aquifer shall be permanently abandoned in accordance
				  with Rule .0113(b) of this Section.
(b) Wells that are used for dewatering shall
				  be permanently abandoned in accordance with Rule .0113(b) of this Section
				  within 30 days of completion of the dewatering activity.
(c) All materials used in the maintenance,
				  replacement, or repair of any well shall be in accordance with Rules .0107 and
				  .0108 of this Section.
(d) Broken,
				  punctured, or otherwise defective or unserviceable casing, screens, fixtures,
				  seals, or any part of the well head shall be repaired or replaced, or the well
				  shall be permanently abandoned in accordance with Rule .0113(b) of this
				  Section.
(e) NSF International
				  approved PVC pipe rated at 160 PSI may be used for liner pipe. The annular
				  space around the liner casing shall be five-eighths inches or greater and shall
				  be completely filled with neat-cement grout or sand cement grout. The well
				  liner shall be completely grouted within 10 working days after collection of
				  water samples or completion of other testing to confirm proper placement of the
				  liner or within 10 working days after the liner has been installed if no
				  sampling or testing is performed.
(f) No well shall be repaired or altered such
				  that the well head is completed less than 12 inches above land surface. Any
				  grout excavated or removed as a result of the well repair shall be replaced in
				  accordance with Rule .0107(f) of this Section.
(g) Well rehabilitation by noncontinuous
				  chemical treatment shall be conducted using methods and materials approved by
				  the Department based on a demonstration that the materials and methods used
				  will not create a violation of groundwater standards in
				  15A NCAC
				  02L, including rendering the groundwater
				  unsuitable for its intended best use after completion of the rehabilitation. A
				  written request for approval of a noncontinuous chemical treatment shall be
				  submitted to the Director and shall include the following information:
(1) a demonstration of non-toxicity, such as
				  ANSI or NSF Standard certification or EPA studies;
(2) the general procedures for the
				  rehabilitation, including the amount of product to be used per unit volume of
				  the well;
(3) a demonstration that,
				  after rehabilitation is completed, the water within the well will meet
				  15A NCAC
				  02L groundwater standards;
(4) a description of the dosing frequency;
				  and
(5) after submittal of request,
				  any other information necessary for the Department to ensure compliance with
				  G.S.
				  87-84.