New Jersey Administrative Code › Title 7 - ENVIRONMENTAL PROTECTION › Chapter 9A - STANDARDS FOR INDIVIDUAL SUBSURFACE SEWAGE DISPOSAL SYSTEMS › Subchapter 4 - SITE EVALUATION AND SYSTEM LOCATION › Section 7:9A-4.3 - Distances

Current through Register Vol. 56, No. 14, July 15, 2024
The minimum separation distance between the various
				  components of the system and the other features listed shall conform to and be
				  maintained in accordance with Table 4.3 below. The location of a new well must
				  be in conformance with the requirements of
N.J.A.C. 7:9D
. No
				  permit or waiver issued outside of this chapter by any local, State or Federal
				  entity shall be construed to permit deviation from or a waiver of the
				  separation distances requirements listed in the Table 4.3 below.
Table 4.3 Minimum Required Separation Distances (feet)
Component
Well or Suction Line
Water Service Line
Water Course(1,12)
Occupied Building
Property Line 
						  (15)
Disposal Field
Existing Seepage Pit or Cesspool
In-ground Swimming Pool
Building Sewer
25(2)
1
-
-
-
-
-
-
Septic Tank
50(2)
10
25(2,5)
10(6)
5
-
-
10
D-Box(14)
50(2)
10
25(2,5)
10
5
-
-
10
Disposal Field(11)
100(2,4)
10
50(2,3,5)
25(7)
10
50(8)
50
20
Seepage Pit(9)
150/100(2,13)
25
100(2,5)
50(7)
20
50
50(10)
30
Dry Well
50
-
-
-
-
50
50
-
<(1)> This distance may be increased as determined by a
				  local, State or Federal entity having authority for establishing separation
				  distances, including, but not limited to, wetlands protection, stream
				  encroachment and riparian corridor.
<(2)> Where excessively coarse soils or fractured rock
				  substrata are encountered, these distances may be increased by the
				  administrative authority.
<(3)> This distance may be decreased only in the case
				  of an interceptor drain allowed in N.J.A.C 7:9A-10.7(d).
<(4)> This distance may be decreased by the
				  administrative authority, to a minimum of 50 feet when either the well is
				  provided with a water-tight casing to a depth of 100 feet or more, or where the
				  casing is sealed into an impervious stratum which separates the waterbearing
				  stratum from the layer of soil used for sanitary sewage disposal.
N.J.A.C. 7:9D
shall govern whenever the well under
				  consideration has been installed after July 13, 1979.
<(5)> These distances may be reduced by one-half if the
				  water course is a footing drain with an invert elevation higher than the bottom
				  of the disposal field or more than four feet above the level of the seasonally
				  high water table.
<(6)> May be reduced to five feet with special
				  approval of the administrative authority.
<(7)> May be reduced to 15 feet from disposal field
				  and 30 feet from seepage pit for portions of the building constructed either on
				  a slab foundation or over a continuous dust cap which is at or above natural or
				  finished grade, whichever is higher only.
<(8)> This distance applies to disposal fields serving
				  separate realty improvements but not to disposal fields which are part of a
				  split system serving a single realty improvement.
<(9)> Applies only to seepage pits allowed as
				  prescribed in
				  7:9A-7.6.
<(10)> In no case shall the distance be less than three
				  times the pit diameter.
<(11)> These distances shall be measured from the
				  outermost margin of the disposal bed or trench in the case of conventional and
				  soil replacement bottom-lined installations, from the outermost lateral
				  extension of suitable fill in the case of soil replacement fill-enclosed and
				  mounded soil replacement installations, or the edge of the required lateral
				  suitable fill extension in the case of mounded installations.
<(12)> For the purposes of this section, the setback
				  distance for a water course shall apply to a stormwater management basin. The
				  setback distance from a stormwater management basin shall be measured from the
				  elevation contour that is coincident with the high water mark.
<(13)> The setback distance from a seepage pit shall be
				  150 feet from a well and 100 feet from a suction line.
<(14)> For the purposes of measuring separation
				  distance requirements, a D-Box shall include all piping and appurtenances
				  associated with the effluent distribution network from the outlet of the septic
				  tank to the disposal area.
<(15)> This separation distance requirement may be
				  reduced to zero feet in cases where either of the following is provided to the
				  administrative authority prior to obtaining a construction approval for the
				  infringing system or its component:
i.
				If the property line abuts a roadway or utility easement on the side of the
				property where the reduction in the separation distance is being sought and
				there are no subsurface utilities located within the separation distance
				specified in Table 4.3, a notarized statement from the owner of record of the
				roadway or utility easement acknowledging that no subsurface utilities will be
				installed within that area; or
ii.
				A copy of a deed notice prepared in accordance with the New Jersey Recording
				Act, 46:15-1.1 et seq., recorded with
				the office of the clerk or the registrar of deeds and mortgages of the county
				in which the property where the system is located for each affected property
				indicating that the affected property owner(s) allow for the reduction in the
				required separation distance, detailing the reduction in the required
				separation distance and acknowledging that future improvements may be limited
				on each affected property based on the reduced separation distance granted due
				to the need to maintain other setbacks, including but not limited to those for
				in-ground swimming pools and occupied buildings. The deed notice shall run with
				the property and be binding upon the property owner and the successors in
				interest in the property or in any part thereof.