20140368 Ver 1_Revised SMP PCN pg 8_20140512

E.
Stormwater Management and Diffuse Flow Plan (required by DWQ)
1.
Diffuse Flow Plan
1a.
Does the project include or is it adjacent to protected riparian buffers identified
❑X Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1b.
If yes, then is a diffuse flow plan included? If no, explain why.
See
Stormwater Management Plan
❑X Yes ❑ No
2.
Stormwater Management Plan
2a.
What is the overall percent imperviousness of this project?
2b.
Does this project require a Stormwater Management Plan?
❑X Yes ❑ No
2c.
If this project DOES NOT require a Stormwater Management Plan, explain why:
2d.
If this project DOES require a Stormwater Management Plan, then provide a brief, narrative
description of the plan:
The proposed roadway typical consists of 2 14'- 20' wide lanes with 6' grassed shoulders. The proposed structure is a 12'x Tx 72' long concrete box
culvert. Flat bottom ditches and shallow grades have been used to assist treatment of water. A ditch beginning at 21 +30 will carry water away from
the
buffer zones to a pair of 36" crossline pipes at 16 +93 into an existing ditch that drains to the blueline stream approximately 470' away.
2e.
Who will be responsible for the review of the Stormwater Management Plan?
DWR 401 unit
3.
Certified Local Government Stormwater Review
3a.
In which local government's jurisdiction is this project?
N/A
❑ Phase II
❑ NSW
3b.
Which of the following locally - implemented stormwater management programs
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c.
Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ❑ No
attached?
4.
DWQ Stormwater Program Review
❑Coastal counties
❑HQW
4a.
Which of the following state - implemented stormwater management programs apply
❑ORW
(check all that apply):
❑Session Law 2006 -246
❑X Other: NPDES Permit
4b.
Has the approved Stormwater Management Plan with proof of approval been
❑ Yes ❑X No
attached?
5.
DWQ 401 Unit Stormwater Review
5a.
Does the Stormwater Management Plan meet the appropriate requirements?
❑ Yes ❑ No
5b.
Have all of the 401 Unit submittal requirements been met?
❑ Yes ❑ No
Page 8 of 10
PCN Form — Version 1.4 January 2009