N.J. Admin. Code § 7:13-8.11

Current through Register Vol. 56, No. 21, November 4, 2024

Section 7:13-8.11 - General permit-by-certification 11-maintenance of existing manmade stormwater management structures and conveyances

(a) General permit-by-certification 11 authorizes the maintenance of one or more lawfully existing manmade stormwater management structures and conveyances, such as a pipe, culvert, ditch, channel, or basin, not including natural channels that were previously modified, provided the conditions at N.J.A.C. 7:13-6.7 are met and:

1. All work occurs within and is necessary for the maintenance of the stormwater management structure or conveyance;

2. The existing stormwater management system is not expanded, enlarged, or otherwise modified to receive additional sources of stormwater runoff or include additional discharge points;

3. The activities are limited to one or more of the following:

i. The removal of accumulated sediment, debris, or nuisance vegetation;

ii. The stabilization of an eroded structure; or

iii. The repair and/or in-kind replacement of one or more of the following:

(1) A culvert along a manmade channel;

(2) A stormwater pipe, manhole, inlet, or catch basin;

(3) A headwall, discharge structure, or associated conduit outlet protection;

(4) A tidegate, levee, or pump station along a regulated water that is separated from tidal influence by these structures; or

(5) A stormwater management basin constructed for a purpose other than to satisfy a mitigation requirement under N.J.A.C. 7:7A;

4. The applicant obtains an engineering certification confirming that the activities will not increase the frequency or depth of flooding during any flood event up to and including the flood hazard area design flood, either upstream or downstream of the site;

5. No riparian zone vegetation is cleared, cut, and/or removed outside the structure or conveyance feature, unless such disturbance is unavoidable, necessary to gain access to the structure or conveyance feature and minimized; and

6. No trees are cleared, cut, and/or removed in a riparian zone outside the structure or conveyance feature.

N.J. Admin. Code § 7:13-8.11

Adopted by 48 N.J.R. 1067(a), effective 6/20/2016