20150636 Ver 1_Year 2 Monitoring Report_20181020

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ID#* 20150636 Version* 1
Select Reviewer:*
Katie Merritt
Mitigation Project Submittal -10/20/2018
Type of Mitigation Project:*
r Stream r Wetlands PF Buffer PF Nutrient Offset
(Select all that apply)
Is this a Prospectus, Technical Proposal or a New Site?* r Yes r No
Project Contact Information
Email Address:*
Contact Name:* mherrman n @watershed investment
Mike Herrmann snc.net
Project Information
Existing 20150636 Existing 1
(DWR) (nurrbers only no dash) Version:* (nurrbers only)
I D#: *
Project Name:* Neville Farms Nutrient and Buffer Bank
County:* Orange
Document Information
Mitigation Document Type:*
Mitigation Monitoring Report
File Upload: NevilleCreek_2018MY2.pdf 17.03MB
Rease upload only one RDF of the conplete file that needs to be subrritted...
Signature
Print Name:* Michael Herrmann
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YEAR 2 (2018) MONITORING REPORT

Neville Farms Buffer and Nutrient Offset Bank Parcel
(Phase 1 & Phase 2)
Jordan Lake Nutrient Strategy - Upper New Hope Subwatershed
Orange County, NC
DWR# 2015-0636

October 30, 2018
Prepared by:
Axiom Environmental, Inc.
218 Snow Avenue
Raleigh, NC 27603
Phone: [phone] Prepared for:
Watershed Investments NC, LLC
1630 Weatherford Circle
Raleigh, NC 27604
Phone: [phone]

Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
i
EXECUTIVE SUMMARY
Watershed Investments NC (Sponsor) is pleased to provide the NC Division of Water Resources (DWR) this
Year 2 (2018) Annual Monitoring Report for the Neville Farms Bank Parcel (Site). The purpose of this
project is to generate Jordan Lake riparian buffer restoration and preservation mitigation credits as well as
nutrient offset credits. The Neville Farms Bank Parcel is included in the Neville Farms Mitigation Banking
Instrument (MBI) for Riparian Buffer Mitigation and Nutrient Offset Credits signed between Watershed
Investments NC, LLC and the NC Division of Water Resources (DWR) and effective on January 29th, 2016.
The MBI is in accordance with 15A NCAC 02B .0295 (Temporary Consolidated Buffer Mitigation Rule,
effective October 24, 2014) and 15A NCAC 02B .0240 (Nutrient Offset Payments Rule).
The Site is located approximately 3 miles southwest of Chapel Hill, NC and one mile upstream of University
Lake. Surface water drainage features at the Site feed into the Upper New Hope subwatershed of Jordan
Lake. The Site is located in the Cape Fear River Basin 14-digit United States Geological Survey (USGS)
Cataloging Unit 03030002060070 of the South Atlantic/Gulf Region (North Carolina Division of Water
Quality [NCDWQ] Sub-basin Number 03-06-06).
Project restoration activities and planting were completed in November-December 2016. Completed project
activities, reporting history, completion dates, project contacts, and project attributes are summarized in
Tables 1-4 (Appendix A).
The site encompasses 6.15 acres of land along Neville Creek, which is a tributary to University Lake south of
Chapel Hill in Orange County North Carolina. Site activities consisted of approximately 5.04 acres of
riparian restoration and approximately 0.94 acres of riparian preservation. An additional 0.17 acres of Tract 1
is included in the project easement area but is outside the rule-defined riparian buffer zone and, consequently,
not included for either riparian buffer mitigation or nutrient offset credit generation.
The Site is comprised of two separate tracts owned by two different land owners and is being mitigated in
two phases. Phase 1 is comprised of Tract I and Phase 2 is comprised of Tract 2. Each phase/tract has its
own credit release schedule for milestones met in accordance with the Neville Farms Mitigation Banking
Instrument (MBI). Though the tracts are adjacent, the division of the Site was necessary based on land use,
land planning, and project crediting. Moving forward; however, project activities for both Tracts are
proceeding on the same schedule. Tract information is as follows.
Tract Acreage Location
Tract 1 (Gambill/Neville Property) 4.31 ac. Main project area located on the north side of Neville
Creek and accessible from Old Greensboro Highway
Tract 2 (McGee Property) 1.84 ac. Area south of Neville Creek and accessible from
Stansbury Road

Orange County is the delegated authority by the NC Environmental Management Commission to conduct
determinations on whether drainage features in their jurisdiction are surface waters and subject to the buffer
rules of the State found in 15A NCAC 02B .0267 (Protection of Existing Riparian Buffers). Orange County
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
ii
Planning and Inspections assessed the Site and provided their determination on February 9th, 2015 that the
surface water features on the Site are subject to the Rule (Appendix C).
The project has restored and preserved forest adjacent to surface water features to reduce nutrients that flow
into Neville Creek, University Lake, and ultimately Jordan Lake. The project will have ancillary benefits that
include reducing sediment runoff, reducing nutrients to streams through agricultural runoff, and thus,
improving aquatic and terrestrial habitat. Any nutrient offset or riparian buffer mitigation generated from this
Bank Parcel may offset impacts from development, both existing and proposed, within the Upper New Hope
Subwatershed of Jordan Lake, as verified by DWR staff onsite and in a letter dated April 6, 2015 (Appendix
E).
At the request of NC DWR, one (1) additional permanent vegetation plot was installed in the Zone C
Restoration area of Tract 1 during year 1 annual monitoring for a total of five (5) permanent vegetation plots
in Tract 1 and two (2) permanent vegetation plots in Tract 2. During Year 1 (2017), mowing occurred to
reduce herbaceous competition of planted trees. Year 2 (2018) data was collected on October 09, 2018 by
Axiom Environmental and derived an average density of 474 planted stems per acre (excluding livestakes). In
addition, all 7 vegetation plots were well above success criteria of 260 planted stems per acre. No problem
areas were observed in Year 2 (2018).

Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
Table of Contents
EXECUTIVE SUMMARY ............................................................................................................................................... i
1.0 PROJECT MONITORING AND PERFORMANCE STANDARDS .......................................................................... 1
1.1 Project Monitoring Plan .................................................................................................................................. 1
1.2 Success Criteria ................................................................................................................................................. 1
2.0 MITIGATION POTENTIAL .................................................................................................................................... 2
3.0 ADAPTIVE MANAGEMENT PLAN....................................................................................................................... 2
4.0 REFERENCES.......................................................................................................................................................... 3

APPENDICES
APPENDIX A. GENERAL FIGURES AND TABLES
Figure 1. Site Location
Figure 2. Current Conditions Plan View
Figure 3. Component and Asset Map
Table 1A. Phase 1/Tract 1 Neville Farms Buffer Credit Generation Summary
Table 1B. Phase 1/Tract 1 Neville Farms Nutrient Offset Credit Generation Summary
Table 1C. Phase 2/Tract 2 Neville Farms Buffer Credit Generation Summary
Table 1D. Phase 2/Tract 2 Neville Farms Nutrient Offset Credit Generation Summary
Table 2. Project Activity and Reporting History
Table 3. Project Contacts Table
Table 4. Project Baseline Information and Attributes
APPENDIX B. VEGETATION DATA
Table 5. Planting List
Table 6. Riparian Buffer Vegetation Totals
Table 7. Planted and Total Stems by Plot and Species
Permanent Photo Points
Vegetation Plot Photographs
APPENDIX C. ORANGE COUNTY STREAM DETERMINATION
APPENDIX D. DIVISION OF WATER RESOURCE PROJECT VIABILITY LETTER
APPENDIX E. NUTRIENT OFFSET CREDIT CALCULATION DOCUMENTATION FOR TRACT 2
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
1
1.0 PROJECT MONITORING AND PERFORMANCE STANDARDS
1.1 Project Monitoring Plan
Riparian vegetation monitoring for Phase 1 and Phase 2 will be based on the CVS Level 1-2 Protocol for
Recording Vegetation, Version 4.2 (Lee et al. 2008). Annual vegetation monitoring will occur each year during the
fall season with the first year for each Phase occurring at least 5 months after initial planting of the Tract/s.
Vegetation monitoring plots measure 0.0247 acre in size and cover 2% of the planted area. Accordingly, four
(4) permanent vegetative plots will be used to monitor Tract 1 and two (2) permanent vegetative plots will be
used to monitor Tract 2. At the request of NC DWR, one (1) additional permanent vegetation plot was
installed in the Zone C Restoration area of Tract 1 during year 1 annual monitoring for a total of five (5)
permanent vegetation plots in Tract 1 and two (2) permanent vegetation plots in Tract 2 (Figure 2, Appendix
A).
A reference photo will be taken from the southwestern corner of each plot. All planted stems in the plots
will be marked with flagging tape and recorded. Data collected will include species, height, planting type
(planted stem or volunteer), and grid location. Year 2 (2018) data was collected on October 09, 2018 by
Axiom Environmental and derived an average density of 474 planted stems per acre (excluding livestakes)
(Table 7, Appendix B).
The Sponsor shall submit to DWR an annual monitoring report for each phase, no later than December 31
of each year for five consecutive years. Reports will document the success of the vegetation and any
maintenance, supplemental planting, or encroachment within the easement areas. As planting and the
monitoring for both Phase 1 and 2 occurred on the same schedule, WINC intends to submit one Monitoring
Report each year for at least 5 years to document the above requirements for both phases. All Monitoring
Reports shall reflect the Phase for which it is being submitted. Monitoring bonds shall be renewed with
confirmation of renewal provided to DWR with each annual monitoring report for each phase. DWR
reserves the right to alter the credit release schedule if monitoring reports are submitted without proof of
bond renewals.
Invasive and noxious species will be monitored annually and controlled as needed so that none become
dominant or alter the desired community structure of the site.
Year 2 maintenance and mitigation activities occurring at the Site included herbicide treatment on local areas
of Japanese Stiltgrass (Microstegium vimineum) and Autumn Olive (Eleagnus umbellata) at Tract 2. These
treatments were conducted on May 25, 2018 with a follow up on August 31, 2018. An aquatic-safe
glyphosate (AquaNeat) herbicide was applied by a licensed Pesticide Applicator to control the invasive
vegetation. Additionally, the conservation easement associated with the project was transferred to Unique
Places to Save on July 26, 2018. This transfer fulfilled the property disposition and long-term management
requirements of the Neville Farms MBI.
In addition, easement boundaries will be checked annually with the status reported in annual monitoring
reports.
1.2 Success Criteria
Pursuant to criteria found in the Temporary Consolidated Buffer Mitigation Rule 15A NCAC 02B .0295 and
Neville Farms MBI, vegetative success for the Site will require the survival of at least 260 planted trees per
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
2
acre at the end of Year 5 based on monitoring data compiled for the site and site visits by the DWR. Natural
recruits will not count towards annual achievement of performance standards; however, they may be taken
into account during review by the NC DWR. Recruitment of volunteer species in the floodplain is
anticipated due to adjacent forests that exist upstream and on the stream bank.
2.0 MITIGATION POTENTIAL
As noted in the Neville Farms MBI, buffer credit determination is subject to the Temporary Buffer Rule 15A
NCAC 02B .0295(h) and (i). Figure 3 (Appendix A) identifies the riparian areas and credit types for Phase 1
and Phase 2.
In accordance with Rule 15A NCAC 02B .0295, the width of the buffer/nutrient credit generation area
begins at the most landward limit of the top of bank or the rooted herbaceous vegetation and extends
landward to a maximum distance of 200 feet. Nutrient offsets are not being generated within the areas
described as Preservation. Preservation areas meet the requirements described in .0295 (m)(2)(D) –
Preservation of Buffers on Subject Streams. Restoration areas meet the requirements of .0295(i) – Riparian
Restoration or Enhancement. Nutrient Offset credits are consistent with rules 15A NCAC 02B .024.
The following is a summary of the Jordan Lake riparian buffer credits and nutrient offset credit calculations
for Phase 1 and Phase 2 of the Site. Detailed credit calculations are included in Tables 1A-1D (Appendix A).
Phase 1 (Tract 1)
• 0.40 acres Riparian Buffer Preservation = 1742.4 square feet of credit
• 3.74 acres Nutrient Offset = 7220.59 lbs-N delivered and 424.90 lbs-P delivered)
Phase 2 (Tract 2)
• 1.30 acres Riparian Buffer Restoration = 55,321.2 square feet (ft2) of credit
• 0.54 acres Riparian Buffer Preservation = 2330.50 square feet (ft2) of credit
As indicated in the Site’s MBI, credits generated from riparian buffer restoration activities can be converted
and transferred from buffer credits to nutrient offset credits with Division approval and from nutrient offset
credits to buffer credits. However, when converting from nutrient offsets to buffer, all applicable ratios and
percentages of full credit will apply according to 15A NCAC 02B .0295.
Neville Farms’ Nutrient Offset and Riparian Buffer credits will not be debited within the same area (not
stacked). The Neville Farms Bank will service impacts within the Upper New Hope Subwatershed of Jordan
Lake.
3.0 ADAPTIVE MANAGEMENT PLAN
In the event that the Site, or a specific component of the Site, fails to achieve the defined performance
standards, WINC will develop necessary adaptive management plans and/or implement appropriate remedial
actions for the Site in coordination with DWR. Remedial actions will be designed to achieve the performance
standards specified previously, and will include identification of the causes of failure, remedial design
approach, work schedule, and monitoring criteria that will take into account physical and climatic conditions.

Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
3
4.0 REFERENCES
Lee, M.T., R.K. Peet, S.D. Roberts, and T.R. Wentworth. 2008. CVS-EEP Protocol for Recording
Vegetation, Level 1-2 Plot Version 4.2. Ecosystem Enhancement Program, North Carolina
Department of Environment and Natural Resources.

Shafale, M. P., and Weakley, A.S. 1990. Classification of the natural communities of North Carolina, third
approximation. NC Department of Environment and Natural Resources, Natural Heritage Program.
Raleigh, NC.

Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

APPENDIX A
GENERAL FIGURES AND TABLES

Figure 1. Site Location
Figure 2. Current Conditions Plan View
Figure 3. Component and Asset Map
Table 1A. Phase 1/Tract 1 Neville Farms Buffer Credit Generation Summary
Table 1B. Phase 1/Tract 1 Neville Farms Nutrient Offset Credit Generation Summary
Table 1C. Phase 2/Tract 2 Neville Farms Buffer Credit Generation Summary
Table 1D. Phase 2/Tract 2 Neville Farms Nutrient Offset Credit Generation Summary
Table 2. Project Activity and Reporting History
Table 3. Project Contacts Table
Table 4. Project Baseline Information and Attributes

Copyright:© 2013 National Geographic Society, i-cubed
FIGURE
Drawn by:
Date:
Scale:
Project No.:
KRJ
JAN 2017
1:20000
16-027
Title:
Project:
Prepared for:
Orange County, NC
NEVILLE CREEK
RIPARIAN BUFFER
MITIGATION SITE
SITE LOCATION
1
³
Copyright:© 2013 National Geographic
Society, i-cubed
Copyright:© 2013 National Geographic
Society, i-cubed
Directions to the Site from Raleigh:
- Take I-40 West out of Raleigh and travel 15.8 miles,
- Take exit 273A to merge onto NC-54 W,
- After 2.9 miles,merge right to stay on NC-54 W (US-15 S, US-501 S),
- After 1.9 miles, take the Jones Ferry Road exit and turn left onto Jones Ferry Road,
- In 2.8 miles, turn right onto Bowden Road, then right on Stansbury Road,
- Site is located on the left side of Stansbury Road after 0.2 miles.
- Site Latitude, Longitude 35.892540, -79.127242 (NAD83/WGS84)
USGS 7.5 Minute Topographic Map (White Cross and Chapel Hill, NC Quads)
Carrboro
¬«54
Old Greensb or o R oa d
BowdenRoad
J o n e s F e rry R o a d
Stansbury R o a dJ o n e s F e rry R o a d
O l d G r e e n s b o r o R o a d
£¤15
£¤501
^_
^_
^_^_
2
5
4
3
7
6
1
NC OneMap, NC Center for Geographic Information and Analysis, NC 911 Board
FIGURE
Drawn by:
Date:
Scale:
Project No.:
KRJ/CLF
OCT 2018
1:1500
16-027
Title:
Project:
Prepared for:
Orange County, NC
Neville Creek
Buffer Restoration
Project
Current Conditions
Plan View
2
³
0 250 500125
Feet
Legend
Conservation Easement Boundary
Stream Top of Bank
CVS Plots
^_Photo Points
Phase 1/Tract 1
Phase 2/Tract 2
1
2
3
4
N
e
v
ill
e
C
r
e
e
k
N e v ille C reek20m x 5m
10m x 10m
10m x 10m
10m x 10m
10m x 10m
10m x 10m
Plot 7 was installed and measured during year 1
monitoring. No baseline data for this plot was collected.
10m x 10m
Legend
.f��
ae; r .,.
,Conservation Easement Boundary
Stream Top of Bank:`
Zone A (TOB -50 ft) Buffer Restoration �"' ..f r` -. t • ;- r
Zone A (TOB -50 ft) Buffer Preservation` qx 44i ,<'
- x� �� � ,. I -'I.'.' ':IfIjIM'+if(`dlo Inc.
Zone B (50-100 ft) Buffer Restoration
- Zone B (50-100 ft) Buffer Preservation
Prepared for:
Table IA. Phase 1/Tract 1 Neville Farms Buffer Credit Generation Summary
Zone C (100-200 ft) Buffer Restoration -
Mitigation Type Ratio Total Buffer
Buffer Phase 1 Credit Per
Zone C (100-200 ft) Buffer Preservation Zone Area (ac) Acre creditamp
'" r
A Zone
w)
Non -Credit Generating Area Buffer 10a 0.40 4,356 1,742.4 6 _
(0-50ft) Preservation;;•.
�'1'rp( • f -T 4k _y,G. -­�V Total Riparian Buffer Credit 0.40 n/a
40
Table 1B. Phase 1/Tract 1 Neville Farms Nutrient Offset Credit Generation Summary -1 Qj 1
1' - a Project:
.A
Generated Nutrient t L
Generated Offset Delivery Factor Delivered Offset
a Offset Credit Yield
Mitigation Type Phase 1 Credit for Offsets Credit
.. Buffer (Ib/30yr/ac)
I , area i x
Zone (ae) + „ �* Neville Creek
. .. .� N N lbs P lbs � x� 'yi- 'ltr r .1< ,!
y lbs/ac P lbs/ac N lbs P lbs %N %P
uff tion
�. Restora '
Zone Project
_ Buffer Restoration 0.94 2039.10 135.18 1814.80 106.79 44.
(0-50 ft)
Zone B R
Buffer Restoration 1.27 2754.96 182.64 2451.91 144.29 ■
(51-100 ft) 2169.26 143.81 89 79
Orange County, NC
' Zone C
(101-200 ft) Buffer Restoration 1.53 3318.97 220.03 2953.88 173.82
_
Title:
Total Nutrient Offset Credit 3.74 8113.03 537.85 7220.59 424.90
Table 1C. Ph- 2/Tract 2 Neville Parma Buffet Credit Generation Summary
Mitigation Type Ratio Phase 2 Credit Per Total Buffer Component
Buffer Zone Area (ac) Are Credit
♦ and Asset Map
Zone (0-50 Et) Buff Reamration 1:1 0.71 43,560 30,927.6
t j Zone B (51-100 ft) Buffer Restoration 1:1 0.53 43,560 23,086.8
Zone C (101-200) Buffer Restoration 1:1 & 50% 0.06 21,780 1306.8
■ _ Total Riparian Boner Restoration Credit 1.30 n/a 55,321.20
Zone A (0-50 ft) Buffer Preservation tort 0.46 4356 2003.8
Zone B (51-100 ft) Buffer Preservation tort 0.07 4356 304.9
one 1- 0) Buffer Preservation 101&50% 0.01 2178 21.8
Drawn y
Zone c (10 zo b
^ y•,I' �. Total Riparian Buffer Preservation Credit 0.54 n/a 2330.50 K R J
.�
} ,``�'•ir 1,�. ,,1J�m`: -- .l� >�'�' Total Riparian Buller Credit 1.84 n/a 57,651.70
Date:
-_
Table 1D. Phase 2/Tract 2 Neville Farms Nutrient Offset Credit Generation Summary JAN 2017
Generated
Scale:
' r Nutrient Offset *Generated Offset Delivery Factor *Delivered Offset
Buffer Mitigation Type Ph., 1:1500
Sr - Credit Yield Credit for Offsets Credit
.., tml.. Zone area (ac) (Ib/30yr/ac)
/ 3 r Project No.:
N #
N P Nlbs Plbs %N %P Nlbs Plbs 16-027
Zone
Ir' 11t f Buffer
0.71 578.05 129.77 514.46 102.52
• y '
(0-50 ft) Restoration
�/C"' - ✓�j,... In ....
Zone B Buffer
FIGURE
0.53 431.50 96.87 384.03 76.53
Ito
' : t - r :• i t i�. (,�f / r (51-100 ft) Restoration 814.15 182.77 89 79
.µ. Zone C Buffer
0.06 48.85 10.96 43.48 8.66
(101-200) Restoration
Total Nutrient Offset Credit 1.30 1058.40 237.60 941.97 187.71
0 125 250 500 *Note: In the BPDP, WINC requested buffer mitigation from Phase 2 and is providing this information for supporting documentation in
case a request is made to transfer credit from buffer to nutrient offset. Any transfer of credit from buffer to nutrient must be reviewed and
Feetapproved by the Division prior to transfer. In addition, credit calculations changed since submittal of the BPDP; documentation and
y`= -approval from planning for credit calculations are included in Appendix G.

Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

Table 1A. Phase 1/Tract 1 Neville Farms Buffer Credit Generation Summary
Buffer
Zone
Mitigation Type

Ratio Phase 1
Area (ac)
Credit Per
Acre
Total Buffer
Credit
Zone A
(0-50 ft)
Buffer
Preservation 10:1 0.40 4356 1742.4
Total Riparian Buffer Credit 0.40 n/a 1742.4

Table 1B. Phase 1/Tract 1 Neville Farms Nutrient Offset Credit Generation Summary
Buffer
Zone
Mitigation Type

Phase 1
area
(ac)
Generated Nutrient
Offset Credit Yield
(lb/30yr/ac)
Generated Offset
Credit
Delivery Factor
for Offsets
Delivered Offset
Credit
N
lbs/ac P lbs/ac N lbs P lbs %N %P N lbs P lbs
Zone A
(0-50 ft) Buffer Restoration 0.94
2169.26 143.81
2039.10 135.18
89 79
1814.80 106.79
Zone B
(51-100 ft) Buffer Restoration 1.27 2754.96 182.64 2451.91 144.29
Zone C
(101-200 ft) Buffer Restoration 1.53 3318.97 220.03 2953.88 173.82
Total Nutrient Offset Credit 3.74 8113.03 537.85 7220.59 424.90

Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
Table 1C. Phase 2/Tract 2 Neville Farms Buffer Credit Generation Summary
Buffer Zone Mitigation Type

Ratio Phase 2
Area (ac)
Credit Per
Acre
Total Buffer
Credit
Zone A (0-50 ft) Buffer Restoration 1:1 0.71 43,560 30,927.6
Zone B (51-100 ft) Buffer Restoration 1:1 0.53 43,560 23,086.8
Zone C (101-200) Buffer Restoration 1:1 & 50% 0.06 21,780 1306.8
Total Riparian Buffer Restoration Credit 1.30 n/a 55,321.20
Zone A (0-50 ft) Buffer Preservation 10:1 0.46 4356 2003.8
Zone B (51-100 ft) Buffer Preservation 10:1 0.07 4356 304.9
Zone C (101-200) Buffer Preservation 10:1 & 50% 0.01 2178 21.8
Total Riparian Buffer Preservation Credit 0.54 n/a 2330.50
Total Riparian Buffer Credit 1.84 n/a 57,651.70

Table 1D. Phase 2/Tract 2 Neville Farms Nutrient Offset Credit Generation Summary
Buffer
Zone
Mitigation Type

Phase 2
area (ac)
Generated
Nutrient Offset
Credit Yield
(lb/30yr/ac)
* Generated Offset
Credit
Delivery Factor
for Offsets
* Delivered Offset
Credit
N P N lbs P lbs %N %P N lbs P lbs
Zone A
(0-50 ft)
Buffer
Restoration 0.71
814.15 182.77
578.05 129.77
89 79
514.46 102.52
Zone B
(51-100 ft)
Buffer
Restoration 0.53 431.50 96.87 384.03 76.53
Zone C
(101-200)
Buffer
Restoration 0.06 48.85 10.96 43.48 8.66
Total Nutrient Offset Credit 1.30 1058.40 237.60 941.97 187.71
*Note: In the BPDP, WINC requested buffer mitigation from Phase 2 and is providing this information for supporting documentation in
case a request is made to transfer credit from buffer to nutrient offset. Any transfer of credit from buffer to nutrient must be reviewed and
approved by the Division prior to transfer. In addition, credit calculations changed since submittal of the BPDP; documentation and
approval from planning for credit calculations are included in Appendix G.

Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

Table 3. Project Contacts Table
Site Prep and Planting Contractor
Bruton Natural Systems
PO Box 1197
Fremont, NC 27830
[e-mail]
919-242-6555
Surveying
K2 Design Group
5688 US Hwy 70 East
Goldsboro, NC 27534
[e-mail]
919-751-0075
Conservation Easement Preparation
Harriss & Marion, PLLC
3326 Durham-Chapel Hill Blvd
P.O Box 51009
Durham, NC 27717
[e-mail]
919-493-8421
Banking Documents and Reports Preparation
Watershed Investments NC
1630 Weatherford Circle
Raleigh, NC 27604
[e-mail]
919-559-6264
Nursery/Seedling Supplier
Dykes and Son Nursery
825 Maude Etter Road
McMinnville, TN 37110
931-668-8833
Monitoring Services
Axiom Environmental Inc
218 Snow Avenue
Raleigh, NC 27603
919-215-1693
[e-mail]

Table 2. Project Activity and Reporting History
Activity or Report Data Collection Completion or Delivery
Neville Farms Bank Parcel Mitigation Banking Instrument Signed - January 29, 2016
Orange County Planning & Inspection Determination - February 9, 2015
DWR Staff Site Visit for Project Viability & Service Area Approval - April 6, 2015
Revised BPDP Submitted - June 1, 2016
Revised BPDP Approved - June 9, 2016
Site Preparation & Invasive Controls - November 16-18, 2016
Site Planting - December 21-22, 2016
Restoration work verification site visit with DWR Staff - January 31, 2017
Draft As-Built & Baseline Monitoring Document January 5, 2017 March 20, 2017
Year 1 (2017) Annual Monitoring Report October 11, 2017 October 30, 2017
Year 2 (2018) Annual Monitoring Report October 09, 2018 October 30, 2018
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

Table 4. Project Baseline Information & Attributes Table
Project Information
Project Name Neville Farms
County Orange
Project Area (acres) Tract 1 = 4.31 acres, Tract 2 = 1.84 acres
Project Coordinates (latitude and
longitude)
Tract 1 - Latitude: 35.8917° , Longitude: -79.1281°
Tract 1 - Latitude: 35.8926° , Longitude: -79.1262°
Project Watershed Summary Information
Physiographic Province Piedmont
River Basin Cape Fear
USGS Hydrologic Unit 8-digit 03030002 USGS Hydrologic Unit 14-
digit 03030002060070
DWQ Sub-basin 03-06-06
Jordan Lake Subwatershed Upper New Hope
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

APPENDIX B
BASELINE VEGETATION DATA

Table 5. Planting List
Table 6. Riparian Buffer Vegetation Totals
Table 7. Planted and Total Stems by Plot and Species
Permanent Photo Points
Vegetation Plot Photographs

Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
Table 5. Planting List
Piedmont Alluvial Forest
Acreage Planted 5.04 acres
Species Total Stems
Planted
River Birch (Betula nigra) 535
Green Ash (Fraxinus pennsylvanica) 240
Tulip poplar (Liriodendron tulipifera) 535
American Sycamore (Platanus occidentalis) 535
Swamp Chestnut Oak (Quercus michauxii) 535
Cherrybark Oak (Quercus pagoda) 535
TOTAL 2915

Table 6. 2018 Riparian Buffer Vegetation Totals
Plot # Riparian Buffer Stems1
(per acre) Success Criteria Met?
1 890 Yes
2 364 Yes
3 405 Yes
4 486 Yes
5 445 Yes
6 364 Yes
7 364 Yes
Project Avg 474 Yes
1 Buffer Stems=Native planted hardwood trees. Does NOT include shrubs. No pines. No vines.
Table 7.  Planted and Total Stems by Plot and Speciesneither Project Code 16.027.  Project Name: Neville Creek BufferPnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all T PnoLS P‐all TAcer negundo boxelder Tree77Betula nigra river birch Tree 4 4 4333333111111222141414151515151515Diospyros virginiana common persimmon Tree 44Fraxinus pennsylvanica green ash Tree44433333171121222114 9141460141414141414Juglans nigra black walnut Tree 33Liquidambar styraciflua sweetgum Tree 1 12Liriodendron tulipifera tuliptree Tree336222226113444111 131322171717171717Platanus occidentalis American sycamore Tree666222 222444 141414151515171717Prunus serotina black cherry Tree1Quercus oak Tree222111 111444999131313Quercus michauxii swamp chestnut oak Tree111222111111111111555121212131313777Quercus pagoda cherrybark oak Tree 3 3 3 1 1 1 1 1 1555666666Quercus rubra northern red oak Tree444 111555222Quercus shumardii Shumard's oak Tree 1 1 111111111122 22 30 9 9 12 10 10 28 12 12 35 11 11 18 9 9 12 9 9 18 82 82 153 92 92 93 90 90 9077944555566766766644599139910888890.3 890.3 1214 364.2 364.2 485.6 404.7 404.7 1133 485.6 485.6 1416 445.2 445.2 728.4 364.2 364.2 485.6 364.2 364.2 728.4 474.1 474.1 884.5 531.9 531.9 537.7 607 607 607Color for DensityPnoLS = Planted excluding livestakesExceeds requirements by 10% P‐all = Planting including livestakesExceeds requirements, but by less than 10% T = All planted and natural recruits including livestakesFails to meet requirements, by less than 10% T includes natural recruitsFails to meet requirements by more than 10%Stem countScientific Name Common Name Species Type16.027‐01‐0001 16.027‐01‐0002 16.027‐01‐0003 16.027‐01‐0004 16.027‐01‐0005 16.027‐01‐0006 16.027‐01‐0007 MY2 (2018) MY1 (2017) MY0 (2017)size (ares)size (ACRES)Species countStems per ACRE10.0210.0210.0210.0210.0210.0210.0270.1770.1760.15
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
Neville Farms
Permanent Photo Points
Taken October 09, 2018

PP1
PP4 PP3
PP2
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC
Neville Farms
Vegetation Monitoring Photographs
Taken October 9, 2018

Plot 1
Plot 4 Plot 3
Plot 2
Plot 5 Plot 6
Plot 7
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

APPENDIX C
ORANGE COUNTY STREAM DETERMINATION

From: Wesley Poole <[e-mail]>
Sent: Monday, February 9, 2015 4:55 PM
To: 'mherrmann'
Cc: '[e-mail]'; Howard W. Fleming
Subject: RE: Orange County - Jordan Lake Stream Call for potential Nutrient
Offset/Buffer Credit - Neville Farm
Attachments: Site Assessment Map (PIN 9767295479 ) 2 SMS 02-09-15.pdf
Mike / Katie,
I had our Current Planning Division here at Orange County put together the attached “Site Assessment”
showing current environmental conditions on the southernmost property bordering the stream in
question. This is a standard document given to citizen’s inquiring about parcels of land. Our system is
organized by PINs instead of physical addresses or latitudes / longitudes, but you should be able to
easily cross reference the supplied data. The stream in question is shown on both the USGS and Soil
Survey, hence portrayal on our GIS System. It also has associated floodway / floodplain with
approximate required Orange County stream buffers as shown.
With regards to the question of it being a jurisdictional stream subject to buffer rules…Orange County is
delegated by DWR to conduct Surface Water Determinations and our protocol is as follows: a stream is
considered as jurisdictional if it shows up on the Orange County GIS System (a collection of both USGS
and Soil Survey Streams) and can only be removed by staff certified in Surface Water Identification after
a jurisdictional call of removal is made at the required cost for assessment ($200 for 1-2
Determinations/Site ). Our aerial imagery clearly shows the section of Neville Creek in question as a
“water flowing” feature, so I saw no reason for a site visit at the expense of the client. This imagery can
be viewed at the following link:
http://server2.co.orange.nc.us/OrangeNCGIS/default.aspx
Please advise if further verification is needed.
Thanks,
Wesley Poole
Erosion Control & Stormwater Officer II
Orange County Planning & Inspections Dept.
[phone]
From: mherrmann [mailto:[e-mail] ]
Sent: Monday, February 09, 2015 8:05 AM
To: Wesley Poole
Subject: FW: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit -
Neville Farm
Hi Wesley – Would you be able to provide the documentation that Katie mentions? I think the
assessment you referenced would be good supporting evidence but I’ll also need documentation from
you or someone else at the county who can make stream determinations that the stream section on
Attachment B. Orange County Stream Determination Documentation
B-1
Neville Creek is subject to the buffer rules. The lat/long for the site that I’ve been using is 35.891902 N, -
79.128051 W.
-Mike
From: Merritt, Katie [mailto:[e-mail]]
Sent: Friday, February 6, 2015 3:09 PM
To: mherrmann
Cc: [e-mail]
Subject: RE: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit -
Neville Farm
Hi Mike,
An email from Orange County will suffice. Ask for the exact location (physical) and long/lat of the
feature they are making the jurisdictional call on.
Thank you,
katie
From: mherrmann [mailto:[e-mail] ]
Sent: Friday, February 06, 2015 12:39 PM
To: Merritt, Katie
Cc: [e-mail]
Subject: FW: Orange County - Jordan Lake Stream Call for potential Nutrient Offset/Buffer Credit -
Neville Farm
Hi Katie –
I contacted Wesley Poole from Orange County Soil and Water about the Neville Farm site I reference in
the email I’m forwarding. Due to the size of the stream he observed on aerial photography and its
presence on the 1:24,000 topographic map, Mr. Poole determined that the stream section in question
would be jurisdictional and subject to the buffer rule and that a field determination was not necessary.
What information would you like me to have to document his determination?
-Mike
p.s. I left you a voicemail this morning regarding this. Please feel free to respond via email or phone.
Mike Herrmann
1630 Weatherford Circle
Raleigh, NC 27604
(p) 919-559-6264
[e-mail]
www.watershedinvestmentsnc.net
This electronic mail communication may contain privileged, confidential, and/or proprietary information which is the property of Watershed
Investments NC, LLC or one of its affiliates. If you are not the intended recipient or an authorized agent of the intended recipient please
delete this communication and notify the sender that you have received it in error.
B-2
43643443248
0
460458
442440 438436434432430 428426424 422
4404384
48
446444442
474
472 460458456454452450
484482480
4
7
8
47
6
4
7
4
41
0412
414
428456
454452450448446444
4
7
2
47046
8
466464462416
422424426430
4644624604
5
8
456416418420412
410
476 474 43'48'69'50'141'67'74'77'77'
502'250'136'1
8
9
'139'1
4
0
'
51
0
'159'310'183'170'5
3
4
'179'185'238'191'
510'230'244'249'260'
280'
2
9
0
'347'440
'
4
5
6
'
4
7
1
'
497'527'534'660'671'683'805'
RB
S TANSBURYRDBENNETTORCHARDTRLUniversity LakeProtectedWatershed
Soil: ApB
Soil: ApC
Soil: GlF Soil: TaD Soil: TaE
Soil: Cp
Soil: GeB
Soil: GeC
Soil: GlF
Soil: TaD
Soil: HrC
Streams (Deleted)
USGS Stream
Soils Survey Stream
Floodplain Buffer 65ft
Stream Buffer 65ft
2' Contours (NCDOT)
Parcels
Zoning
Watershed
Soils
100 YR Floodplain
(Effective 02/02/07)
Floodway
(Effective 02/02/07)
500 Year Floodplains
(Effective 02/02/07)
·
0 50 100Feet
1 inch = 200 feet
Data shown on this map is obtained from Orange County
GIS and is for reference only.
Exact locations and boundaries should be verified.
Map prepared by Orange County Planning & Inspections.
02/09/2015 - smschultz
PIN#: 9767295479
JOHN THOMAS MCGEE
JANINE M MCGEE
2201 STANSBURY RD
CHAPEL HILL, NC 27516
Site Assessment for PIN:9767-29-5479
Site DataZoning: RBAcreage:8.79 acres within Orange CountyOverlay Districts: University Lake ProtectedPlat/Legal Description: DB 4978 / PG 491 Plat Book 497 / PG 591Recorded Declarations/Covenants:
Zoning RequirementsMin. Lot Size: 87,120 sq. ft.Min. lot width: 130'Maximum height: 25'Building Setbacks:-Front (and Corner lots) = 40' from public rights-of-way-Side Setbacks = 20' from side lot lines-Rear Yard Setback = 20' from rear lot lines
Note: Lot size, building setbacks and stream buffers mayincrease based on Private Road Justification (UDO 7.8.5).
Environmental Features-Stream buffer and/or Floodplain located on lot. 200' grass streambuffer. Some wooded areas on northern property may qualify for100' woods buffer.-Base Flood Elevation (BFE) is: 422-Finished Floor Elevation (FFE) is : 424
Impervious Surface Limits: 6% max. (22,973.5 sq ft. max based on8.79 acres).
Land Disturbance Thresholds1) Environmental Control Permit required if disturbing more than10,000 sq.ft.; and2) Stormwater Management Permit required if disturbing morethan 43,560 sq. ft. for residential structures.
Date Site Assessment Completed:2/9/2015 by SMS
B-3
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

APPENDIX D
DIVISION OF WATER RESOURCE PROJECT VIABILITY LETTER

Attachment F. Division of Water Resources Project Viability Letter
F-1
F-2
F-3
Appendices
Neville Farms Year 2 (2018) Annual Monitoring Report (Phases 1 &2) Watershed Investments NC

APPENDIX E
NUTRIENT OFFSET CREDIT CALCULATION
DOCUMENTATION FOR TRACT 2

1
mherrmann
From:D'Arconte, Trish <[e-mail]>
Sent:Wednesday, February 22, 2017 5:21 PM
To:mherrmann
Cc:Merritt, Katie; Gannon, Rich
Subject:RE: As-Built Nutrient Offset Calculation Review Request for Neville Farms – Phase 2
Hey Mike,

We’ve reviewed your nutrient calculations and the assumptions that went into them and find them acceptable, including
using Version 3 of the Jordan-Falls tool since that was available at the time. We have no further comments.

Trish

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Trish D’Arconte
Environmental Program Consultant
Non-Point Source Planning Branch, Division of Water Resources
NC Department of Environmental Quality

919 807 6439 office
http://deq.nc.gov/about/divisions/water-resources/planning/nonpoint-source-management
[e-mail]

1611 Mail Service Center
Raleigh, NC 27699-1611

Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

From: mherrmann [mailto:[e-mail]]
Sent: Sunday, February 19, 2017 18:57
To: D'Arconte, Trish <[e-mail]>
Cc: Merritt, Katie <[e-mail]>
Subject: Re: As-Built Nutrient Offset Calculation Review Request for Neville Farms – Phase 2

Trish,

Katie Merritt notified me that the NPS group had completed their review of nutrient calculations for Phase 2 of
the Neville Farms nutrient offset site. Would you send me an email or letter indicating the outcome of your
review and any further action that may be needed? If you’re satisfied with the calculations presented, providing
2
me a response confirming your approval would suffice for my needs to document the NPS review in the
project’s As-Built report.

Thank you,

Mike Herrmann
1630 Weatherford Circle
Raleigh, NC 27604
(p) 919-559-6264
[e-mail]
www.watershedinvestmentsnc.net

This electronic mail communication may contain privileged, confidential, and/or proprietary information which is the property of Watershed Investments NC, LLC or
one of its affiliates. If you are not the intended recipient or an authorized agent of the intended recipient please delete this communication and notify the sender
that you have received it in error.

-------- Original message --------
From: mherrmann <[e-mail]>
Date: 1/24/17 06:44 (GMT-05:00)
To: Rich G <[e-mail]>
Cc: Katie Merritt <[e-mail]>
Subject: As-Built Nutrient Offset Calculation Review Request for Neville Farms – Phase 2
Rich -
Attached for the Nonpoint Source Branch's review are two documents related to the Neville Farms Buffer
Mitigation and Nutrient Offset Bank. Changes that occurred during bank construction have resulted in minor
adjustments to the conservation easement area of Phase 2. At the Branch's direction, the nutrient offset credit
calculation for Phase 2 was developed using the Jordan-Falls Stormwater tool Version 3.0. Once completed, this
summary along with your Branch’s review and approval, will be needed in the final documentation of the “as-built”
plan.
Would the NPS Branch please review the attached materials and let me know if they adequately estimate the
nutrient reduction benefit of Phase 2 of the project?
I can be reached at the contact info below if you'd like to discuss this further.
Thank you,
Mike Herrmann
1630 Weatherford Circle
Raleigh, NC 27604
(p) 919-559-6264
January 23, 2017
Rich Gannon
Nonpoint Source Planning Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: As-Built Nutrient Offset Calculation for Neville Farms – Phase 2 (DWR# 2015-0636)
Mr. Gannon:
Submitted for your review are materials documenting the revised credit calculation for Phase 2
(formerly referred to as Tract 2) of the Neville Farms Buffer Mitigation and Nutrient Offset
Bank. Changes that occurred during project construction have resulted in minor adjustments to
the conservation easement area of Phase 2 where the nutrient offset credit calculation was
developed using the Jordan-Falls Stormwater tool Version 3.0. Once completed, this summary
along with acknowledgement of your Branch’s approval, will be needed in the final
documentation of the “as-built” plan.
The following attachments are included in this submission:
A. Summary of project, changes in the As-built to Phase 2, and revised nutrient offset
calculation
B. Copy of As-Built Jordan Falls Stormwater Tool Data Sheets
C. Map of Tract 2 Portion the Neville Farms Buffer Mitigation and Nutrient Offset Bank
D. Copy of the nutrient offset calculation documents approved by Planning Branch for the
BPDP
The awarding of credit will also be based on whether the project is developed in accordance with
its Bank Parcel Development Package (BPDP) and if it meets the regulatory requirements
established in the project’s mitigation banking instrument associated with permit #2015-0636.
Thank you for your help in the review for offset crediting of this project.
Sincerely,
Mike Herrmann
1630 Weatherford Circle, Raleigh NC 27604 | Tel : [phone] | www.watershedinvestmentsnc.net
ATTACHMENT A. Summary of project, changes in the as-built to Phase 2, and revised nutrient
offset calculation
Project Overview
Neville Farms Buffer Mitigation and Nutrient Offset Bank (“Neville Farms”) is located south of Chapel Hill
in Orange County and consists of two Phases. Neville Farms’ Mitigation Banking Instrument (MBI) was
signed between Watershed Investments NC, LLC (WINC) and the NC Division of Water Resources (DWR)
and effective on January 29th, 2016. The purpose of this project is to generate Jordan Lake riparian
buffer restoration and preservation mitigation credits as well as nutrient offset credit for use in the
Upper New Hope Subwatershed of Jordan Lake. Phase 2 restoration activities completed include the
control of invasive plants and the planting of native hardwood species on land formerly managed fescue
lawn.
Phase 2 of Neville Farms is located on an approximately 9 acre residential property. During the
construction of Phase 2, adjustments were made to the area included in the conservation easement that
differs from that planned easement reviewed by the DWR for the Bank Parcel Development Plan (BPDP).
Differences between the BPDP and as-built easement boundary are for the following reasons:
•The planned easement area was drawn remotely using GIS and tax parcel data. Parcel data,
however, did not reflect the surveyed location of the property boundary. Use of the surveyed
boundary resulted in conservation easement boundary changes (effect: increased area).
•Field identification and survey of the top-of-bank used to mark the easement boundary edge as
opposed to GIS identification (effect: refinement of top-of-bank with little overall area change).
•The property owner sought to exclude a corner of the planned easement to maintain its historic
recreational usage and playhouse structure (effect: decreased area).
As part of the BPDP, the Division directed WINC to use Version 3.0 of the Jordan-Falls Stormwater Tool
to estimate nutrient reductions from Phase 2 of the project. For consistency with this approach, the
same tool and version are used to estimate nutrient reductions based on as-built conditions.
Attachment B contains a copy of the Jordan-Falls tool worksheets reflecting as-built conditions while
Attachment D contains the original documentation that was reviewed and approved by the Non-point
source branch for the BPDP. It describes the project, restoration activities, and nutrient offset
calculations.
A map of the site and contributing drainage area is included in Attachment C. The watershed draining to
Phase 2 continues to experience development. In particular, The Orchard, a community of mostly two
acre lots continues to build and sell lots in what was formerly wooded land. Two acre lots are the
drainage area development type in the used in the parameterization of the stormwater tool
Table A-1 summarize the calculation of nutrient reductions as a result of the project based on as-built
conditions. A summary of the differences between the BPDP and as-built easement, watershed area,
and the nutrient reduction calculations is provided in Table A-2.
A-1
Table A-1. Summary of Jordan –Falls tool V.3.0 nutrient reduction estimates for Phase 2 as-built.
Nutrient Pre-project load
(lbs/yr)
Post-project load
(lbs/yr)
Nutrient
reduction (lbs/yr)
Nutrient Credit
(lbs/30 yrs)
Nitrogen 80.11 44.83 35.28 1058.40
Phosphorus 16.01 8.09 7.92 237.60
Table A-2. Phase 2 comparisons between the BPDP and as-built.
Nutrient Nitrogen
Reduction
(lbs/30yr)
Phosphorus
Reduction
(lbs/30yr)
Easement Area
(ac)
Watershed Area
(ac)
BPDP 1091.10 243.00 1.70 29.93
As-built 1058.40 237.60 1.84 29.70
Change -32.7 -5.40 +0.14 -0.23
A-2
ATTACHMENT B. Summary Printouts from the Jordan/Falls Stormwater Accounting Tool
B-1
Project Latitude Coordinates:N Project Longitude Coordinates:sProject Description:-ultrenOfNrOaeoSOfmyyuoOfFPn2rnPOegSfdrIIPaJfygafNo1ennof,PaIul07Puof3Precipitation Location:4Pnoe7Project Designer:s POoau7ofS1ouOIoSOufNFDate:PSrPaJf3f3 Contact Phone Number/Email:Project Name:No1ennof,PaIuflf07Puof3Development Area (ft2):3Physiographic Region:0eoIgSOWatershedHelp &DocumentationBMP Import An Existing ProjectIntroductionOverall SummaryIndividual BMPClear All EntriesPrecipMapRegional MapPrint B-2
COMMERCIALSIMPLETMEHDO1.400 64.8uuuuunofettu,eSttrmrSfadung.465 64.vR=T+ T646vT(T96466*T)I2w4w0 6400herprTIT+ crpnrtiTmocrp=mus%T9N2IU13SHRIALPPPPPPPPPPPre-lo-p-mnta-sdP: =d-e0.-15.400 647*IT+TVN.465 64.vP7pP3PfLTTw4w0 6400PPPPPPPPPPPrn0dlo-p-mnta-sdP: =d-e0.-15HRAUSPORHAHIOUIT+T..N748V 6407P7pP3PfLTN.40 64vw.4.0 640VuuuuulaePLaSPunofettuSfSPaSdu.40 .4.8/T+ R=T)TAT)T9Pa.w2PER/IO3SherprTAT+fprfTugTnfineortiT9giw2w48v 64V7vPT+f=rpflrTfttsfdTpfmtgfddT-rcieT9mt2748. .4v8PPPPPPPPPPPre-lo-p-mnta-sdP: =d-e0.-15.40V 64wvAT+T 7.4vv fnRESI1EUHIALT,TCOMPOSIHETLAU1T3SESPT+T 0v40. mt4w46w 64078P3P N//yyN6dyw46V 6407PPPPPPPPPPPrn0dlo-p-mnta-sdP: =d-e0.-15w4.. 6407AT+ 7.4vv fnw4.v 640PT+ 0v40. mt4w4ww 6400 .zw*0z6w6 .zw*0z6w68P3 //fyNy6dy.4*w 640..4*0 640wuuuuugSPSuffoueoafauerfuSgrfuu,amLSfaduTTTTTCs%iuoTLuiTSmjr,, ,,LT+99PT)TP÷T)TR=2TyT9.wT22T)T9CT)TAT)Tw4Vw2RESI1EUHIALT,TIU1I/I13ALTLAU1T3SESherprTP÷T+TgpfnimutTugTpfmtgfddTr=rti%TiefiTcpu-snrTpstuggT9-rnmofd2.40 64vwCT+Tr=rtiTorftTnutnrtipfimutTugTierTcuddsiftiT9olaL2TTTTT1pm=rhfJ.46 .400 647*PPPPPPPPPPPre-lo-p-mnta-sdP: =d-e0.-15.400 647*P÷T+T ..46564.vCHUT+Tw4wwolaL.40.4.8CHPT+T6400olaLw48v64V7vv8z8V0924P3PIfLTTmujOew48v64V7v92rP3PTSLfTmujOe.40V 64wvPPPPPPPPPPPrn0dlo-p-mnta-sdP: =d-e0.-15F3RIS1ICHIOUALTLAU1SP÷T+T ..40V64wvCHUT+T.4*.olaL.40V64wvw7zvVVw7zvVVCHPT+T6478olaLw48v64V7v924P3P,ULfImujOe,,,,92rP3PT/LKUmujOeWatershed CharacteristicsTTTTTkupr%iTTTTTMftflr-Tcrp=mus%WATERSHED LAND USESTTTTTRspfdPu%i,1r=rducorti9giw2TTTTTPfpbmtlTduiTTTTTRuf-hfJTTTTTUfispfdThridft-TTTTTRmcfpmftTZsggrpT,T⅛utrT.T9kupr%ir-2TTTTTRmcfpmftTZsggrpT,T⅛utrTwTTTTTOcrtThfirpTTTTTLfhtTTTTTSm-rhfdbaPfimuTTTTTRuugTTTTTPfpbmtlTduiTTTTTHuhteuor%TTTTT3toftflr-T9cf%ispr2TTTTTMftflr-Tcrp=mus%TTTTTSm-rhfdbTTTTTLuhT1rt%miJT9%rnut-fpJzTgrr-rp2TTTTTDmleT1rt%miJT9mtirp%ifirzTofmt2Ppr,1r=rducorti9giw2TTTTTOcrtaLft-%nfcr-TTTTTRuugTTTTTPfpbmtlTduiTTTTTOcrtaLft-%nfcr-TTTTTRuugSsccupimtlTCfdnsdfimut%TTTTT½,fnTdui%TTTTTMsdim,gfomdJTTTTTw,fnTdui%TTTTT.,fnTdui%TTTTT¼,fnTdui%TTTTTK,fnTdui%TTTTTTkupr%iHUTEMC9olaL2HPTEMC9olaL2(sden1)dnsren-dP(s6nea=dnsr.=e=d-e0d0p-e=mmP)aa=eO(s1p1)=mPrP)aa=eOm-=ePmmPsde-0resdP: =d-e0.-1P.=e=d-e0d0B-3
.465 64.vv8z8V0Ty/KU/TTy/KU/TTy/KU/TLAU1THABEUT3PTYTYMP%94oPP7P2nd=mPo-p-mnta-sdPe-=Psd-e-1P6dU52nd=mPre-lo-p-mnta-sdP=m)m=d-1Pe-=P6dU52nd=mPrn0dlo-p-mnta-sdP=m)m=d-1Pe-=P6dU5B-4
Type of BMP:Select predominant hydrologic soil group (HSG) for the location of the BMP.Description of Custom BMPsUnder- or Over-sized Percentage:Overflow %: % Treated Overflow %: % Treated Overflow %: % Treated5%55%TN EMC (mg/L): TP EMC (mg/L): TN EMC (mg/L): TP EMC (mg/L): TN EMC (mg/L): TP EMC (mg/L):1.470.25Catchment 1:Drainage Area Land UseTotal Land Use Area Treated By All BMPs(ft2)Allowable Total Land Use Area to be Treated Based on Post-Dev. Areas(ft2)OIL L PaOrknggggglotfpe/gdsN00gggggassU00gggggISTeynoe(,moST(00r)uF-9arknggggglotfpe/gdsN00gggggassU00gggggISTeynoe(,moST(009ak)-lIa9k9rI)ggggg½p/¼guTe,pN⅛gzpeNTt,NoNTJg3opeK00gggggnsY guTe,pN⅛gz,Tmse(ot⅛JgUTT(TtK00ggggga6tod00ggggg-p(TY odf00L r-O.glParIF-Hydrologic Values (Value must be entered by user for Water Harvesting or Custom BMPs)Nutrient Effluent EMC Values (Value must be entered by user for custom BMPs)Other Custom BMPDoes BMP accept the outflow from another Catchment? If so, indicate which one(s). (Land use areas entered below are in addition to the watershed areas treated by contributing catchment(s).)--------------------------- CATCHMENT 1 -----------------------------BMP #1BBMP #3Area Treatedby BMP(ft2)BMP #2Area treatedby BMP #3 that is not treated by BMPs #1 or #2(ft2)Area treatedby BMP #2 that is not treated by BMP #1(ft2)BMP CharacteristicsLSFS HYDRO: Buffer EMCsAdd 2nd CatchmentIntroductionProject InformationWatershedCharacteristicsOverall SummaryIndividual BMP SummaryClear All EntriesPrint BMP CharacteristicsHydrologicValuesB-5
gggggLoeo/T(gSTtps6,00gggggFe3oeo/T(gzSo,N6tTK00gggggstT,N00aP-ruP)9rknggggg2omgdsN,1J24J0201J24J020ggggg1omgdsN,00gggggomgdsN,00gggggomgdsN,00gggggomgdsN,00ggggg9sYe¼s3T,00gggggL6dNpUo3pd⅛00gggggO6,Ns3gnsNg-pT00gggggaso(Yo⅛00gggggutpTYo⅛00ggggglotfpe/gdsN00gggggassU00ggggg-p(TYodf00gggggnoYe00gggggLoeo/T(gSTtps6,00gggggstT,N00Far-urO9rI)kngnk)ugF-P-ggggg)oN6todgYTNdoe(00gggggapSotpoeg6UUTtggseTg102J577gggggapSotpoeg6UUTtggseTg200nk)ug9kP)gFlggLl5J745J74TOTAL AREA TREATED BY BMP (ft2):TOTAL AREA TREATED BY SERIES (ft2):5J741,350,6941J24J020001,350,694B-6
Area
Treated
(ft2)
Volume
Reduction
(%)
Outflow TN
(mg/L)
Outflow TP
(mg/L)
Outflow TN
(lbs/ac/yr)
Outflow TP
(lbs/ac/yr)
TN
Reduction
(%)
TP
Reduction
(%)
Catchment 1 1,350,694 40.0% 1.53 0.28 1.43 0.26 58.25% 70.78%
BMP 1 1,350,694 40.0% 1.53 0.28 1.43 0.26 58.25% 70.78%
BMP 2 0 NA NA NA NA NA NA NA
BMP 3 0 NA NA NA NA NA NA NA
Catchment 2 0 NA NA NA NA NA NA NA
BMP 1 0 NA NA NA NA NA NA NA
BMP 2 0 NA NA NA NA NA NA NA
BMP 3 0 NA NA NA NA NA NA NA
Catchment 3 0 NA NA NA NA NA NA NA
BMP 1 0 NA NA NA NA NA NA NA
BMP 2 0 NA NA NA NA NA NA NA
BMP 3 0 NA NA NA NA NA NA NA
Catchment 4 0 NA NA NA NA NA NA NA
BMP 1 0 NA NA NA NA NA NA NA
BMP 2 0 NA NA NA NA NA NA NA
BMP 3 0 NA NA NA NA NA NA NA
Catchment 5 0 NA NA NA NA NA NA NA
BMP 1 0 NA NA NA NA NA NA NA
BMP 2 0 NA NA NA NA NA NA NA
BMP 3 0 NA NA NA NA NA NA NA
Catchment 6 0 NA NA NA NA NA NA NA
BMP 1 0 NA NA NA NA NA NA NA
BMP 2 0 NA NA NA NA NA NA NA
BMP 3 0 NA NA NA NA NA NA NA
TotalPs.oLdPnoag(/yPrl)uafumeN 0.51 0.55 0.26
Overall BMP/Catchment Summary
-//palPIp/o%%P:olp2&Prfd%dN 577,335 770,353 470,430
TotalPS(teoy&/PxF jPr2yunN 2.22 1.91 1.53
se&&&lo2&/tP
jo/g(t(o/L
soLt&&lo2&/tP
jo/g(t(o/L
soLt&&lo2&/tP
uPF sL
s&ef&/tP2&e(opLPrN 6.8%10.9%10.9%
Development Summary
&&lo2&/tPSa2&P
TotalP&&lo2&/tP-e&aPr%t N
&L(y/&e Watershed Investments NC
at&January 21, 2017
Neville Farms - Phase 2
1,374,271
TotalPS(teoy&/Pnoag(/yPrl)umeN 80.11 92.08 44.83
TotalPs.oL.oepLPnoag(/yPrl)umeN 16.01 17.42 8.09
TotalPS(teoy&/Pnoag(/yPrl)uafumeN 2.54 2.92 1.42
TotalPs.oL.oepLPxF jPr2yunN 0.44 0.36 0.28
F s
j.aeaft&e(Lt(fL
&l P
ofp2&/tat(o/
se(/tP
&&lo2&/t
se(/tPF sP
p22aem
at&eL.&gP
j.aeaft&e(Lt(fL
xoetPdfLP
p22aemP(l&
/g((gpalPF sP
p22aem
/teogpft(o/
seo&ftP/%o
a& e&agL.&&t
B-7
ATTACHMENT C. Map of Tract 2 Portion the Neville Farms Buffer Mitigation and Nutrient Offset Bank
C-1
500
420
440
520
460
480440 460420480
476472
48
4
488
492508
496424
504428448
512
432
452
436444
516456
412
524464
528416468 416
448432 4644244
1
6
452428444436
4564
7
4470
478482
486
49
0
494510418
498422
506426
446
502
430
414450
434
514438454442518458522526410
462466
4664424304
6
2446438450
454422426434 458418NC OneMap
Phase 2 Location and Contributing Area
Legend
Planned Conservation Boundary
Contributing Drainage Area
As-Built Conservation Easement Area
Parcel Boundary
County Boundary 0 450225Feet
±
ChapelHill
Carrboro
¬«54
¬«54
£¤15
C-2
ATTACHMENT D. Copy of the nutrient offset calculation documents approved by Planning Branch for
the BPDP
D-1
From: Davis, Amin <[e-mail]>
Sent: Thursday, July 23, 2015 1:22 PM
To: [e-mail]; mherrmann
Cc: Gannon, Rich; Merritt, Katie
Subject: RE: Neville Farms Tract 2 Nutrient Credit Calculation
MIKE – I have reviewed your information and it appears to adequately document the site and associated
offset credit calculations. Rich informed me that you and he spoke yesterday and the processing of your
site information through DWR will take a couple of months. I’m sure we’ll be in touch as things move
forward.
Amin
From: Davis, Amin
Sent: Tuesday, July 21, 2015 2:44 PM
To: '[e-mail]'; 'mherrmann'
Cc: Gannon, Rich
Subject: RE: Neville Farms Tract 2 Nutrient Credit Calculation
MIKE – Thank you for sending this updated information. I will be in touch with you later this week
regarding confirmation and next steps.
Amin
---
Amin Davis
Watershed Restoration Specialist
NCDENR Division of Water Resources
Nonpoint Source Planning Branch
1617 Mail Service Center, Raleigh NC 27699-1617
919-807-6439
[e-mail]
http://portal.ncdenr.org/web/wq/ps/nps
From: [e-mail] [mailto:[e-mail]]
Sent: Friday, July 17, 2015 4:20 PM
To: Davis, Amin
Subject: Fwd: Neville Farms Tract 2 Nutrient Credit Calculation
Hi Amin,
Attached are the nutrient calculation materials for Tract 2. The edits you
suggested have been made to Attachment A. The remaining materials remain the
same. If you are satisfied that these materials adequately document the site and
offset credit calculation, I'll need a communication from your Branch stating that.
Thank you,
D-2
D-3
Removed in the Attachment
BPDP ATTACHMENT A. Tract 2 of Neville Farms Nutrient Offset Calculation Summary
Project Overview
Tract 2 is part of a larger restoration project identified as Neville Farms in the Bank Parcel Development
Plan that is currently being developed. Located adjacent to Neville Creek, a perennial stream in Orange
County, Tract 2 is on an 8.8 acre property owned by John McGee. The watershed draining through the
project site encompasses 31.6 acres. The proposed Tract 2 conservation easement is approximately 1.7
acres with 1.20 acres anticipated for reforestation. The remaining 0.5 acres, a narrow, mature buffer
ranging between 10 and 20 feet exists in portions of the easement area, will be considered as buffer
preservation with no proposed nutrient reduction benefit. Attachment C provides a map of the Site
including the land draining to it.
For areas of the conservation easement lacking a forested buffer or with forests less than 50 feet,
residential lawn will be replaced with native trees to create a buffer with widths varying between 50 and
150 feet. In accordance with current DWR policy, success criteria on the project will be based on a
minimum planted stem density survival of 260 stems/acre after 5 years.
Currently, the majority of Tract 2 consists of residential lawn. While it is eligible for buffer credit, staff
from the 401 and Buffer Unit directed me to work with the Planning Section to develop the nutrient
offset crediting because the site falls outside of the typical practice for generating nutrient offset credit
(i.e., riparian reforestation of agricultural land). Attachment D contains a copy of the letter summarizing
their determination.
Nutrient Reduction Calculation Summary
The calculated nutrient credit available for the site is 1091.10 N lbs and 243.00 P lbs. This is based on an
annual nutrient offset crediting for the site of 36.37 N pound (lbs)/year and 8.10 lbs/year multiplied by
30 years. The method used to quantify nutrient offset credits has been developed through coordination
and communication with the NC DWR Planning Unit staff. The agreed on approach involves the use of
site-specific factors and the Jordan-Falls Stormwater Accounting Tool (JFSAT) Version 3.0. Supporting
printouts from the tool are included in Attachment B. A summary of the nutrient offset calculation is
included below.
Table A-1 provides a summary of the estimated reduction from the JFSAT. The JFSAT accounts for both
land conversion for nutrient removal from upland sources. The upland area is 29.93 acres. This area
includes The Orchard, a development under construction that contains a mix of residential and forest
land use with 2 ac residential lots being the predominant parcel type. Parameters used to run the tool
along with its output are contained in Attachment B.
Table A-1. Land Conversion and Upland Source Reduction.
Nutrient Pre-project load
(lbs/yr)
Post-project load
(lbs/yr)
Nutrient
reduction (lbs/yr)
Nutrient Credit
(lbs/30 yrs)
Nitrogen 80.52 44.15 36.37 1091.10
Phosphorus 16.08 7.98 8.10 243.00
D-4
      Project Latitude Coordinates:N      Project Longitude Coordinates:WDate:July 9, 2015     Contact Phone Number/Email:Project Name:Neville Farms ‐ Tract 2Development Area (ft2):1,377,644Physiographic Region:PiedmontProject Description:Nutrient Offset Calculation Summary for Neville Farms‐Tract 2Precipitation Location:RaleighProject Designer:Watershed Investments NCWatershedHelp &DocumentationBMP Import An Existing ProjectIntroductionOverall SummaryIndividual BMPClear All EntriesPrecip MapRegional MapPrint BPDP Attachment B. Jordan Falls Stormwater Accounting Tool Data Sheets.D-5
COMMERCIALSIMPLE METHOD1.44 0.16    Runoff Coefficient, Rv1.08 0.15Rv = 0.05 + (0.009 *I)2.24 0.44where I =percent impervious (%)INDUSTRIAL           Pre‐Development Watershed:1.44 0.39I = 7%1.08 0.15 Rv = 0.112.24 0.44           Post‐Development Watershed:TRANSPORTATIONI = 11%3.67 0.43 Rv = 0.151.4 0.521.14 0.47    Stormwater Runoff Generated, V1.4 1.16V =Rv * A * (P/12)PERVIOUSwhere A =area of catchment (ft2)2.65 0.735 P =average annual rainfall depth 3.61 1.56           Pre‐Development Watershed:1.47 0.25 A = 31.63 acRESIDENTIAL ‐ COMPOSITE LAND USESP = 45.41 in.2.02 0.43V = 580321ft32.07 0.43           Post‐Development Watershed:2.11 0.43 A = 31.63 ac2.15 0.4 P = 45.41 in.2.22 0.44 1,303,592 1,303,592V = 758346ft31.92 0.411.94 0.42    Average Annual Pollutant Loading Leaving a Catc     Custom Lot Size‐‐ ‐‐L =((P * Pj * Rv) ÷ (12 )) * (C * A *RESIDENTIAL ‐ INDIVIDUAL LAND USESwhere Pj =fraction of rainfall events that1.4 0.52C =event mean concentration of      Driveway1.0 1.44 0.39           Pre‐Development Watershed:1.44 0.39Pj = 11.08 0.15CTN= 2.22 mg/L1.4 1.16CTP= 0.44 mg/L2.65 0.735 52,272LTN= 80.52 lb/yr2.65 0.735LTP= 16.08 lb/yr1.47 0.25           Post‐Development Watershed:JURISDICTIONAL LANDSPj = 11.47 0.25CTN= 1.93 mg/L1.47 0.25 21,780 21,780CTP= 0.37 mg/L2.65 0.735LTN= 91.55 lb/yr‐‐ ‐‐LTP= 17.38 lb/yr1.08 0.15 52,272Supporting CalculationsLAND USE AREA CHECKTotal Development Area Entered (ft2):Total Pre‐Development Calculated Area (ft2):Total Post‐Development Calculated Area (ft2):     ⅛‐ac lots     Multi‐family     2‐ac lots     1‐ac lots     ½‐ac lots     ¼‐ac lots      ForestTN EMC(mg/L)TP EMC(mg/L)Pre‐Development(ft2)     Open/Landscaped     Roof     Parking lot     Open/Landscaped     Roof     Lawn     Sidewalk/Patio     Roof     Parking lot     Townhomes     Unmanaged (pasture)     Managed pervious     Sidewalk     Low Density (secondary, feeder)     High Density (interstate, main)Watershed Characteristics1,377,6441,377,6441,377,644     Forest     Managed perviousWATERSHED LAND USES     RuralPost‐Development(ft2)     Parking lot     Roadway     Natural wetland     Riparian buffer ‐ Zone 1 (Forested)     Riparian buffer ‐ Zone 2     Open waterLAND TAKEN UP BY BMPsIntroductionProject InformationBMPCharacteristicsOverall SummaryIndividual BMP SummaryClear All EntriesPrint Watershed CharacteristicsD-6
Type of BMP:Select predominant hydrologic soil group (HSG) for the location of the BMP.Description of Custom BMPsUnder‐ or Over‐sized Percentage:Overflow %: % Treated Overflow %: % Treated Overflow %: % Treated5% 55%TN EMC (mg/L): TP EMC (mg/L): TN EMC (mg/L): TP EMC (mg/L): TN EMC (mg/L): TP EMC (mg/L):1.47 0.25Catchment 1:Drainage Area Land UseTotal Land Use Area Treated By All BMPs(ft2)Allowable Total Land Use Area to be Treated Based on Post‐Dev. Areas(ft2)COMMERCIAL     Parking lot00     Roof00     Open/Landscaped00INDUSTRIAL     Parking lot00     Roof00     Open/Landscaped00TRANSPORTATION     High Density (interstate, main)00     Low Density (secondary, feeder)00     Rural00     Sidewalk00BMP CharacteristicsLSFS HYDRO: Buffer EMCsArea treatedby BMP #3 that is not treated by BMPs #1 or #2(ft2)Area treatedby BMP #2 that is not treated by BMP #1(ft2)BMP #2‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐    CATCHMENT 1    ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐BMP #1BBMP #3Area Treatedby BMP(ft2)Does BMP accept the outflow from another Catchment? If so, indicate which one(s). (Land use areas entered below are in addition to the watershed areas treated by contributing catchment(s).)Hydrologic Values (Value must be entered by user for Water Harvesting or Custom BMPs)Nutrient Effluent EMC Values (Value must be entered by user for custom BMPs)Other Custom BMPAdd 2nd CatchmentIntroductionProject InformationWatershedCharacteristicsOverall SummaryIndividual BMP SummaryClear All EntriesPrint BMP CharacteristicsHydrologic ValuesD-7
MISC. PERVIOUS     Managed pervious00     Unmanaged (pasture)00     Forest00RESIDENTIAL     2‐ac lots1,303,5921,303,592     1‐ac lots00     ½‐ac lots00     ¼‐ac lots00     ⅛‐ac lots00     Townhomes00     Multi‐family00     Custom Lot Size00     Roadway00     Driveway00     Parking lot00     Roof00     Sidewalk00     Lawn00     Managed pervious00     Forest00JURISDICTIONAL LAND USES     Natural wetland00     Riparian buffer ‐ Zone 1021,780     Riparian buffer ‐ Zone 200LAND TAKEN UP BY BMP52,27252,272TOTAL AREA TREATED BY BMP (ft2):TOTAL AREA TREATED BY SERIES (ft2):1,355,86401,355,8641,303,592052,272D-8
Area 
Treated
(ft2)
Volume 
Reduction 
(%)
Outflow TN 
(mg/L)
Outflow TP 
(mg/L)
Outflow TN 
(lbs/ac/yr)
Outflow TP 
(lbs/ac/yr)
TN 
Reduction 
(%)
TP 
Reduction 
(%)
Catchment 1 1,355,864 40.0% 1.53 0.28 1.41 0.25 58.69% 71.20%
   BMP 1 1,355,864 40.0% 1.53 0.28 1.41 0.25 58.69% 71.20%
   BMP 2 0 NA NANANANANANA
   BMP 3 0 NA NANANANANANA
Catchment 2 0 NA NANANANANANA
   BMP 1 0 NA NANANANANANA
   BMP 2 0 NA NANANANANANA
   BMP 3 0 NA NANANANANANA
Catchment 3 0 NA NANANANANANA
   BMP 1 0 NA NANANANANANA
   BMP 2 0 NA NANANANANANA
   BMP 3 0 NA NANANANANANA
Catchment 4 0 NA NANANANANANA
   BMP 1 0 NA NANANANANANA
   BMP 2 0 NA NANANANANANA
   BMP 3 0 NA NANANANANANA
Catchment 5 0 NA NANANANANANA
   BMP 1 0 NA NANANANANANA
   BMP 2 0 NA NANANANANANA
   BMP 3 0 NA NANANANANANA
Catchment 6 0 NA NANANANANANA
Total Nitrogen Loading (lb/yr)80.52 91.55 44.15
Total Phosphorus Loading (lb/yr)16.08 17.38 7.98
Total Nitrogen Loading (lb/ac/yr)2.55 2.89 1.40
Total Phosphorus EMC (mg/L)0.44 0.37 0.28
Development Name: 
Total Development Area (ft2):
Designer:Watershed Investments NC
Date:July 9, 2015
Neville Farms - Tract 2
1,377,644
Pre‐Development 
Conditions
Post‐Development 
Conditions
Post‐Development 
w/ BMPs
Percent Impervious (%)6.8% 10.6% 10.6%
Development Summary
Annual Runoff Volume (c.f.)580,321 758,346 462,590
Total Nitrogen EMC (mg/L)2.22 1.93 1.53
Total Phos. Loading (lb/ac/yr)0.51 0.55 0.25
Overall BMP/Catchment Summary
D-9
BPDP ATTACHMENT C. BPDP Tract 2 Restoration Area and Watershed Map
McGee
Property
D-10