15A NCAC 02T .0706       SETBACKS

(a)  The setbacks for Infiltration Units shall be as follows:

                                                                                                                                                                                                (feet)

Any habitable residence or place of public assembly under separate ownership

                or not to be maintained as part of the project site                                                                        400

Any habitable residence or place of public assembly owned by the permittee

                to be maintained as part of the project site                                                                                    200

Any private or public water supply source                                                                                                     100

Surface waters (streams – intermittent and perennial, perennial waterbodies, and wetlands)             200

Groundwater lowering ditches (where the bottom of the ditch intersects the SHWT)                            200

Subsurface groundwater lowering drainage systems                                                                                    200

Surface water diversions (ephemeral streams, waterways, ditches)                                                          50

Any well with exception of monitoring wells                                                                                                  100

Any property line                                                                                                                                                 200

Top of slope of embankments or cuts of two feet or more in vertical height                                          100

Any water line from a disposal system                                                                                                           10

Any swimming pool                                                                                                                                            100

Public right of way                                                                                                                                              50

Nitrification field                                                                                                                                                 20

Any building foundation or basement                                                                                                            15

Impounded public water supplies                                                                                                                    500

Public shallow groundwater supply (less than 50 feet deep)                                                                       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 a Total Nitrogen of 7 mg/l and Total Phosphorus of 3 mg/l effluent limit. 

(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 a Total Nitrogen of 4 mg/l and Total Phosphorus of 2 mg/l effluent limit.  This setback provision does 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.

 

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

Eff. September 1, 2006.