20090566 Ver 2_Stormwater Approval_20101116

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
November 16, 2010
DWQ Project # 09-0566
Johnston County
Mr. Joe Poole
Caterpillar
954 NC 42 East
Clayton, NC 27520
Subject Property: Caterpillar Access Road
Ut to Neuse River [030402, 27-(39.7), WSIV, NSW]
STORMWATER MANAGEMENT PLAN APPROVAL
Dear Mr. Poole:
On May l' 2009, the Division of Water Quality (DWQ) issued a 401 Water Quality Certification to
.
impact 192 linear feet of perennial stream, 15,004"square feet of Zone I Neuse River basin, protected
riparian buffers and 9,770 square feet of Zone 2 Neuse River basin protected riparian buffers. . .
In order to meet Condition Nos. 6 and 7 of the 401 Certification, for this project, a stormwater. .
management plan for Phase 2A, dated September `10, 2010 was'received by the DWQ on September ,:r
WQ.
staff during an.
13, 2010. Based on discussions between Caterpillar staff, the consultant aridt)
on-site meeting held on September 29, 2010, the stormwater management plan was mod fied.. The
second revised stormwater management plan, dated October 12, 2010, was received by the DWQ on
October 12, 2010. The third revised stormwater management plan, dated October 27, 2010, was
received by the DWQ on October 28, 2010. The signed and notarized Operation and Maintenance
Agreement for Phase 2A was received on November 10, 2010.
This stormwater management plan for Phase 2A of the Caterpillar Access Road project has been
reviewed and satisfies the stormwater management conditions of the 401 Water Quality Certification:
You are required to meet the following conditions:
The stormwater management system (consisting of three permanent sediment basins to serve
Phase 2A and one permanent sediment basin to serve Phase 1 and all associated sediment and
erosion control devices including check dams, scour holes, vegetated filters, and level spreaders),
all stormwater conveyances and the grading and drainage patterns depicted on the plans, as
approved by this office must be maintained in perpetuity. No changes to the structural stormwater
practices shall be made without written authorization from the DWQ. The stormwater
management structures shall have maintenance access to allow for the ability to maintain the
structures, and to perform corrective actions. The stormwater easements shall be recorded to
provide protection of the structures from potential alterations by future property owners.
401 OversightlExpress Review Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
Location: 2321 Crabtree Blvd., Raleigh, North Carolina 27604
Phone: [phone] FAX: [phone]
Internet: http:f,'h2o.enr.state.nc.us/ncwetiands/
NorthCarohna
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An Equal Opportunity! Affirmative. Action Employer
Caterpillar
Page 2 of 2
November 16, 2010
2. All operation and maintenance activities shall be followed as stipulated in the Operation and
Maintenance Agreement signed and notarized on November 5, 2010, and received in our office
on November 10, 2010.
3. The applicant and/or authorized agent shall provide a completed Certification of Completion
Form to the DWQ 401 Program within ten (10) days of the project completion (available at:
hq://portal.ncdenr.org/web/wq/swp/ws/401 /certsandpermits/apply/forms).
This letter completes the review of the DWQ under Section 401 of the Clean Water Act. If you have any
questions, please contact me at 919-715-4631.
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Ian J. McMillan, Acting Supervisor
401 Wetlands Permitting Unit
IJM/aml
Filename: 090566 Ver2CaterpillarAccessRoad(Johnston)_SW_Approve.doc