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. 6, September 16, 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.
