North Carolina Administrative Code › Title 15A - Environmental Quality › Chapter 02 - Environmental Management › Subchapter T - WASTE NOT DISCHARGED TO SURFACE WATERS › Section .0700 - HIGH-RATE INFILTRATION SYSTEMS › Section 02T .0706 - SETBACKS

Current through Register Vol. 39, No. 2, July 15, 2024
(a) The setbacks
				  for infiltration sites shall be as follows:
Spray (feet)
Drip (feet)
Basin (feet)
Each habitable residence or place of assembly
								  under separate ownership or not to be maintained as part of the project
								  site
400
100
100
Each habitable residence or place of assembly
								  owned by the permittee to be maintained as part of the project
								  site
200
15
50
Each private or public water supply
								  source
100
100
100
Surface waters such as intermittent and perennial
								  streams, perennial waterbodies, and wetlands
200
200
200
Groundwater lowering ditches where the bottom of
								  the ditch intersects the SHWT
200
200
200
Subsurface groundwater lowering drainage
								  systems
200
200
200
Surface water diversions such as ephemeral
								  streams, waterways, and ditches
50
50
50
Each well with exception of monitoring
								  wells
100
100
100
Each property line
150
50
50
Top of slope of embankments or cuts of two feet
								  or more in vertical height
100
100
100
Each water line from a disposal
								  system
10
10
10
Public right of way
50
50
50
Nitrification field
20
20
20
Each building foundation or
								  basement
15
15
15
Impounded public water supplies
500
500
500
Public shallow groundwater supply (less than 50
								  feet deep)
500
500
500
(b) Setbacks in Paragraph (a) of this Rule to
				  surface waters, groundwater lowering ditches, and subsurface groundwater
				  lowering drainage systems shall be 100 feet if the treatment units are designed
				  to meet effluent limits of 7 mg/L of total nitrogen and 3 mg/L of total
				  phosphorus.
(c) Setbacks in
				  Paragraph (a) of this Rule to surface waters, groundwater lowering ditches, and
				  subsurface groundwater lowering drainage systems shall be 50 feet if the
				  treatment units are designed to meet effluent limits of 4 mg/L of total
				  nitrogen and 2 mg/L of total phosphorus. This setback provision shall not apply
				  to SA waters.
(d) Treatment and
				  storage facilities associated with systems permitted under this Section shall
				  adhere to the setback requirements in Section .0500 of this Subchapter, except
				  as provided in this Rule.
(e)
				  Setback waivers shall be written, notarized, signed by all parties involved,
				  and recorded with the county Register of Deeds. Waivers involving the
				  compliance boundary shall be in accordance with
				  15A NCAC
				  02L .0107.
(f) Setbacks to property lines established in
				  Paragraphs (a) and (d) of this Rule shall not be applicable if the permittee,
				  or the entity from which the permittee is leasing, owns both parcels separated
				  by the property line.
(g) Habitable
				  residences or places of assembly under separate ownership constructed after the
				  non-discharge facilities were originally permitted or subsequently modified are
				  exempt from the setback requirements in Paragraphs (a) and (d) of this
				  Rule.
Authority
					 G.S.
					 143-215.1;
					 143-215.3(a);
Eff. September 1, 2006;
Readopted Eff. September 1,
					 2018.