15A NCAC 02T .0706      SETBACKS

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

Spray       Drip        Basin

(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

(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.

History Note:        Authority G.S. 143-215.1; 143-215.3(a);

Eff. September 1, 2006;

Readopted Eff. September 1, 2018.