1. (a) The setbacks for infiltration sites shall be as follows:

   Spray Drip Basin

2. (feet) (feet) (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

3. (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.
4. (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.
5. (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.
6. (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.
7. (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.
8. (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.

History Note: Authority G.S. 143-215.1; 143-215.3(a);
Eff. September 1, 2006;
Readopted Eff. September 1, 2018.