20180181 Ver 3_Scarborough MY3 Credit Release Request Form_20240412

April 12, 2024
CREDIT RELEASE REQUEST FORM

To: NCDEQ-DWR Nutrient Offset & Buffer Banking Coordinator
From: Cara Conder, Water & Land Solutions, [e-mail], 843-446-2312
Through: Water & Land Solutions, LLC

We formally request a credit release for the Scarborough site (DWR ID #2018-0181v3) for
completion of Task #6 per the approved credit release schedule, which is included in the Attachments
with this request. The following documents have been submitted to DWR for Task # 6 and are
approved: Monitoring Year 3 Report and bond renewal.
Credits requested for release are detailed below:
Credit Type % Release Credit Amount
(include Units)
Notes/Comments
Buffer Restoration
Buffer Coastal Headwater 5 34,739.10 sq ft
Buffer Enhancement
Generated Nitrogen Nutrient
Offset
10 3,539.09 lbs
Delivered Nitrogen Nutrient
Offset (Jordan sites only)

Generated Nitrogen Nutrient
Offset

Delivered Phosphorus Nutrient
Offset (Jordan sites only)

Signature:

Attachments: 1) Approved Project Credit Table (include the most recent Asset Table approved by
DWR, whether it is the BPDP table or the As-Built table), 2) Approved Credit Release Schedule
Include the approved credit release schedule, whether it is the credit release schedule from the
MBI/UMBI or from the BPDP,

3

2 Project Mitigation Components
2.1 Project Components
The Scarborough Site includes a combination of stream restoration and enhancement activities on 11,306
linear feet of streams and 117.95 acres of wetland re-establishment, enhancement, and preservation. Out
of 230.838 acres that are protected with a permanent conservation easement, 15.95 acres (694,782 ft²)
are proposed to generate riparian buffer credits along coastal headwater restoration streams and 15.57
acres (35,390.92 lbs. Nitrogen) are proposed to generate nutrient offset credits. Per the MBI (Section IX,
E) and the Plan (Section 7.0), 10.19 acres of the 15.57 acres proposed for nutrient offset credits are
suitable for being converted into buffer mitigation credits (443,876.40 ft²) at a ratio of 1:1 and at 100%
full credit upon DWR approval. The Sponsor may use the 10.19 acres of riparian restoration mentioned
above for either nutrient offset credit or buffer mitigation credit, but not both.

The Sponsor will maintain two credit ledgers: one for coastal headwater buffer credits and one for
Nitrogen nutrient offset credits. The total potential nutrient offset mitigation credits and riparian buffer
that the Project generates are summarized in Table 1. Table 1. Proposed Credits

2.2 Design Approach
Riparian buffer mitigation and nutrient offset adjacent to streams was approved by DWR via letter on
March 29th, 2019 and July 10th, 2019. Scarborough is also a stream and wetland mitigation bank, and
restoration of riparian areas was accomplished through the goals and methods outlined by the WLS Neuse
02 Stream & Wetland Umbrella Mitigation Banking Instrument, Scarborough Mitigation Plan (SAW-2017-
02527) and the Scarborough Riparian Buffer and Nutrient Offset Mitigation Banking Instrument. All
Riparian
Widths Features Mitigation Type Total
Acreage
Eligible
Credit
Acreage
Credit Per
Acre (ft2)
Credit
Ratio
% Full
Credit Mitigation Credits (sq. ft.)
0-50'UT1-R1, UT1B,
UT2, UT3
Coastal
Headwater
Restoration
15.95 15.95 43,560 1:1 1 694,782 ft² (15.95 ac)
15.95
Widths Features Credit Type Total
Acreage
Eligible
Credit
Acreage
Credit Per
Acre (lbs)
Credit
Ratio
0-50'UT1-R2, UT1-R3 Restoration 7.29 7.29 2,273.02 N/A
51-100'UT1-R3 Restoration 2.90 2.90 2,273.02 N/A
101-200'UT1-R3 Restoration 5.38 5.38 2,273.02 N/A
TOTAL 15.57
*Coastal headwater riparian buffer restoration credits are calculcated based on the valley length of the reach
Nutrient Offset Credits (lbs)
16,570.32
35,390.92
Nutrient Offset Credits
12,228.85
6,591.76
Riparian Buffer Credits
Total Coastal Headwater Restoration Credits*694,782 ft² (15.95 ac)