North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 18 - ENVIRONMENTAL HEALTH › Subchapter A - SANITATION › Section .1700 - PROTECTION OF WATER SUPPLIES › Section 18A .1720 - WATER SUPPLIES

Current through Register Vol. 39, No. 2, July 15, 2024
(a) A water supply
				  for which requirements are established in this Subchapter, shall be from a
				  community water supply regulated pursuant to
				  15A NCAC
				  18C or from a supply located, constructed,
				  maintained, and operated in accordance with this Section.
(b) The requirements found in Rules .1720(c)
				  through .1728 of this Section shall not apply to community water
				  supplies.
(c) The following setback
				  requirements shall apply:
(1) A well shall
				  not be located in an area propensity for flooding. Areas which have a
				  propensity for flooding include those with concave slope, alluvial or colluvial
				  soils, gullies, depressions or drainage ways.
(2) A well constructed on or after July 1,
				  1993 shall be located at a minimum horizontal distance from:
(A) Septic tank or nitrification field; 100
				  ft.
(B) Other subsurface ground
				  absorption waste disposal; 100 ft.
(C) Industrial or municipal sludge spreading
				  or wastewater irrigation site; 100 ft.
(D) Watertight sewage or liquid-waste
				  collection or transfer facility; 50 ft.
(E) Other sewage or liquid-waste collection
				  or transfer facility; 100 ft.
(F)
				  Animal feedlot or manure pile; 100 ft.
(G) Fertilizer, pesticide, herbicide or other
				  chemical storage area; 100 ft.
(H)
				  Non-hazardous waste storage, treatment or disposal lagoon; 100 ft.
(I) Sanitary landfill; 500 ft.
(J) Other non-hazardous solid waste landfill;
				  100 ft.
(K) Animal barn; 100
				  ft.
(L) Building foundation; 50
				  ft.
(M) Surface water body; 50
				  ft.
(N) Chemical or petroleum fuel
				  underground storage tank regulated under
				  15A NCAC
				  02N:
(i)
				  with secondary containment; 50 ft.
(ii) without secondary containment; 100
				  ft.
(O) Any other source
				  of groundwater contamination. 100 ft.
(3) For a well constructed prior to July 1,
				  1993, the minimum horizontal distances specified in Parts (C)(2)(A), (B), (D),
				  and (L) of this Rule shall be reduced to no less than the following:
(A) Septic tank or nitrification field; 50
				  ft.
(B) Other subsurface ground
				  absorption waste disposal system; 50 ft.
(C) Water-tight sewage or liquid-waste
				  collection or transfer facility; 25 ft.
(D) Building foundation. 25 ft.
(4) A well constructed prior to
				  July 1, 1993 serving an establishment regulated under
				  15A NCAC
				  18A in operation prior to July 1, 1993 shall
				  be required to meet only the following minimum horizontal distance
				  requirements:
(A) Septic tank or nitrification
				  field; 50 ft.
(B) Other subsurface
				  ground absorption waste disposal system. 50 ft.
(5) An owner, licensee or permittee shall not
				  place or have placed a new source of contamination within the minimum
				  horizontal distances in Subparagraphs (c)(1)-(4) of this Rule.
(6) If different minimum horizontal distances
				  requirements are set by the Division of Environmental Management pursuant to
				  15A NCAC
				  02C .0118 and
				  02C .0119, those minimum
				  horizontal distance requirements shall be used. The owner, licensee or
				  permittees shall provide a written copy of the adjusted minimum horizontal
				  distance requirements from the Division of Environmental Management to the
				  local health department.