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Home My WebLink About20180199 Ver 1_Year 0 Monitoring Report_2021 (Final)_20210809MYO FINAL MONITORING REPORT Buffalo Creek Tributaries Mitigation Project Johnston County Neuse River Basin CU 03020201 DIMS Project # 100042 DIMS Contract # 7422 DIMS RFP # 16-007279 USACE Action ID Number: SAW-2018-00425 DWR Project # 2018-0199 V2 Calendar Year of Data Collection: 2021 Prepared for: North Carolina Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 , CF-- Environmental Quality 91 WATER SOLUTIONS Memorandum To: Lindsay Crocker, DMS From: Catherine Manner Date: 7/16/2021 Re: As -Built Baseline Report and Drawings for Buffalo Creek Tributaries Mitigation Site (#100042) Lindsay, Please find attached for review the Final MYO/As-Built Baseline Report for the Buffalo Creek Tributaries Mitigation Site. Please let us know if you need anything else. Thank you, Catherine Manner waterlandsolutions.com 1 7721 Six Forks Rd, Ste 130, Raleigh, NC 27615 1 919-614-5111 WATER & LAND SOLUTIONS 7721 SIX FORKS ROAD, SUITE 13Q RALEIGH, NC 27615 [414) 614. 5111 I wolerlondsolutions.com July 16, 2021 NC Department of Environmental Quality Division of Mitigation Services Attn: Lindsay Crocker, Project Manager 217 W. Jones Street, Suite 3000 Raleigh, NC 27609 RE: WLS Responses to NCDEQ DMS Review Comments for Task 6 Submittal, Draft Baseline Monitoring Report for the Buffalo Creek Tributaries Mitigation Project, DMS Full -Delivery Project ID #100042, Contract #7422, Neuse River Basin, Cataloging Unit 03020201, Johnston County, NC Dear Ms. Crocker: Water & Land Solutions, LLC (WLS) is pleased to present the Final Baseline Monitoring Report (including record drawings) for the Buffalo Creek Tributaries Mitigation Project to the North Carolina Department of Environmental Quality (NCDEQ) Division of Mitigation Services (DMS). Per the DMS review comments, WLS has updated the Final As -Built Baseline Monitoring Report and associated deliverables accordingly. We are providing the electronic deliverables via cloud link. The electronic deliverables are organized under the following folder structure as required under the digital submission requirements: Report PDF Support Files 1_ Tables 2_CCPV 3_Veg 4_Geomorph 5-Hydro 6-Photos We are providing our written responses to DMS' review comments on the Draft As -Built Baseline Report below. Each of the DMS review comments is copied below in bold text, followed by the appropriate response from WLS in regular text: General: • Page 1, indicates 5,029 linear feet of construction. Clarify that this is the design, not as -built footage. Response: The total design length of stream from the mitigation plan is 5,029 linear feet. The report and corresponding tables have been updated. • Deliverable Table is showing construction completed 4/22 and planting completed before that as 3/3. Review and correct or explain (add asterisk). These dates should be completion dates. Response: Construction was completed on 4/22 and planting was completed on 4/26. The date 3/3 was the initial planting date for the southern half of the project. The completion date of planting was revised in the corresponding table and report. • Table 1. Update typo error for R3 (upper) credit to show 56.500 (instead of 565.000). Response: The error was updated to reflect the correct number of credits. It was discussed in the field that there are some easement corners and posts that abut new subdivision yards and may be at risk for mowing encroachment. It is advisable that WLS works with those landowners to install some larger tress along those lines and consider alternative, more aesthetically pleasing markers at this early point in the project. Response: Coordination and communication with landowners where easement abuts yards will be completed to prevent encroachment. These areas will be addressed prior to the submittal of the MY1 report, and any actions taken will be documented in MY1. • Work with DEQ Stewardship to ensure that the use of subdivision corners for parcels abutting easement corners in lieu of easement caps shown on the plat. Response: DEQ Stewardship approved use of subdivision corners for parcels abutting easement corners in lieu of caps. • It was observed in the field that there are some areas of overland flow into the easement from the High School BMP Pond around R3 (lower). In the future, WLS will need to monitor this area to ensure that this does not de -stabilize the area and/or provide destabilizing sediment input to the system. Response: The overland flow area around R3 (lower) will be monitored closely and any remedial action will be documented in future reports. The stream geomorphology tables show that the bankfull discharge from pre to design to post remained constant. Explain how this occurred or correct calculations. Response: The discharge numbers in the table are correct for pre, design, and MYO for all reaches. The bankfull discharge estimate is held constant throughout and what varies is the cross -sectional area and velocity. As cross -sectional area increases, the velocity decreases and vice versus. The bankfull discharge is chosen and held at a constant and the designed cross -sectional area is based on that number. For'C' stream types, the design channels acceptable velocity ranges are between 3-5 ft/s and for'B' stream types it is between 4-6 ft/s. • The Mitigation Plan indicates that microbenthic invertebrate monitoring will occur to show pre -and post -response. Please provide this data and show monitoring on location on the CCPV in the baseline report. Response: Data from the invertebrate monitoring occurred pre - construction and is now included in App F. Data is not tied to a performance standard and repeat sampling will occur in MY3. The location of sampling is shown on the CCPV. • Describe if there was any temporary or permanent cover planted in the vegetation section of the baseline report. Response: Temporary and permanent seeding occurred during construction and followed the mitigation plan. The report has been updated to include the temporary/permanent seeding. • Provide elevation of wetland gauges in a table format or on drawings if possible/available. Response: The elevation of wetland gauges was not surveyed during as -built. • Include any pictures and/or drone videos to assist IRT in visualizing. Response: Photos and drone footage is included in the Photos folder of the E-Data. Electronic Comments • Segment the stream features so that zero credit segments are not included as part of creditable segments (e.g. MS-111, MS-112). Please ensure that each record in the attribute table corresponds with a record in the asset table, and verify that feature lengths match the reported as -built lengths in the asset table. Response: Zero credit segments have been removed from creditable segments. Records in the attribute table correspond to the asset table. The ASB_WETLANDS shapefile only includes the Re -Establishment wetlands. Please include the Enhancement wetlands and ensure their areas match the as -built acreage reported in the asset table. Response: The enhancement wetlands have been included in the e-data. • Please include spatial features characterizing the Pre -Existing Channel displayed in Figs.1B & C. Response: These were included with the initial submittal as the Pre -Existing Channel.shp. Please contact me if you have any questions or comments. Sincerely, Water & Land Solutions, LLC Catherine Manner Water & Land Solutions, LLC 7721 Six Forks Road, Suite 130 Raleigh, NC 27615 Office Phone: (919) 614-5111 Mobile Phone: (571) 643-3165 Email: catherine@waterlandsolutions.com Table of Contents 1 Project Summary...................................................................................................................................1 1.1 Project Location and Description..................................................................................................1 1.2 Project Quantities and Credits......................................................................................................1 1.3 Current Condition Plan View.........................................................................................................3 2 Goals, Performance Criteria, and Functional Improvements...............................................................4 2.1 Project Goals and Objectives........................................................................................................4 2.2 Project Success Criteria.................................................................................................................5 2.2.1 Streams.................................................................................................................................5 2.2.2 Wetlands...............................................................................................................................7 2.2.3 Vegetation.............................................................................................................................7 2.2.4 Visual Assessment.................................................................................................................8 3 Project Attributes..................................................................................................................................8 3.1 Design Approach........................................................................................................................... 8 3.1.1 Stream...................................................................................................................................8 3.1.2 Wetland.................................................................................................................................9 3.2 Project Attributes..........................................................................................................................9 4 Monitoring Year 0 Assessment and Results........................................................................................11 4.1 As -built Survey............................................................................................................................ 11 4.2 As -Built Plans/ Record Drawings.................................................................................................11 4.3 As -Built/ Baseline Assessment....................................................................................................11 4.4 Morphological Assessment.........................................................................................................11 4.4.1 Stream Horizontal Pattern & Longitudinal Profile..............................................................11 4.4.2 Stream Horizontal Dimension.............................................................................................11 4.5 Stream Hydrology.......................................................................................................................12 4.5.1 Stream Flow........................................................................................................................ 12 4.5.2 Bankfull Events.................................................................................................................... 12 4.5.3 Wetlands.............................................................................................................................12 4.5.4 Vegetation...........................................................................................................................12 LIST OF APPENDICES Appendix A - Visual Assessment Data Visual Stream Morphology Stability Assessment Table Vegetation Condition Assessment Table Cross -Section Photos Stream Photo Points (Culvert Crossings) Appendix B — Vegetation Plot Data Redline Plant List Vegetation Performance Standards Summary Table Vegetation Plot Counts and Densities Table Vegetation Plot Photos Appendix C - Stream Morphology Data Cross -Section Charts with Annual Overlays Baseline Longitudinal Profile Baseline Stream Data Summary Tables Cross -Section Morphology Data Appendix D — Hydrologic Data Flow Gauge Installation Diagram Crest Gauge Installation Diagram Wetland Gauge and Surface Water Gauge Photos Appendix E - Project Timeline and Contact Info Appendix F — Other Data 1 Project Summary 1.1 Project Location and Description The Buffalo Creek Tributaries Mitigation Project ("Project") is a North Carolina Department of Environmental Quality (NCDEQ), Division of Mitigation Services (DMS) full -delivery stream and wetland mitigation project contracted with Water & Land Solutions, LLC (WLS) in response to RFP 16-007279. The Project will provide stream and wetland mitigation credits in the Neuse River Basin (Cataloging Unit 03020201). The project site is in Johnston County, North Carolina, between the Town of Wendell and the Community of Archer Lodge. The Project is in the Lower Buffalo Creek Priority Sub -watershed 030202011504, study area for the Neuse 01 Regional Watershed Plan Phase II, Final Report (RWP), and in the Targeted Local Watershed 03020201180050, of the Neuse River Basin. The Project involved the restoration, enhancement, and preservation of eight stream reaches (MS -RI, MS-R2, R3 (upper), R3 (lower), R4, R5 (upper), R5 (lower), and R6) with designed totals of approximately 5,029 linear feet of streams. The Project also includes riparian wetland restoration (re-establishment) and enhancement of approximately 3.495 acres. The Project provides significant ecological improvements and functional uplift through stream and wetland restoration and will decrease nutrient, and sediment loads within the watershed. See Section 2 for a detailed benefits summary and Table 1 for a summary of project assets. Figure 1 illustrates the project mitigation components. Prior to construction, many of the existing streams were incised and degraded due to excess bank erosion and increased stormwater flows. Wetland hydrology was drained across the floodplain and areas mapped with hydric soils. The existing vegetation within the riparian corridor consists of mixed hardwood forest with some disturbed pine forest. Adjacent land use consists of agriculture, silviculture and residential development. 1.2 Project Quantities and Credits The Project mitigation components include a combination of Stream Restoration, Enhancement and Preservation activities, as well as Riparian Wetland Re-establishment and Enhancement, as summarized in the tables belo MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 1 EE E vv v �� vv�v vvvvvv EE�0E� vvvvvv vvvvvv WW �� vvvvvvvv C C E C C C= C O O O O O O O O N �O O O O O :wt ++++++ �. vvvvvv 0� vv v v E E ' vvvvvv vvvv v aaaaaa vvvvvv v v v v 9 9 v 9 0 0 0 0 0 0 on on on E E E E E E 00 1O 'O 0 'O o o 0 0 0 0 0 ---- °w t t t w w o w w — — w — E E 'm E 'v v V a C f0 VI Au C f0 0 N0 0 0 0 0 0 0 V 0 m N vt O N �O N m N 0 0 0 0 0 0 m, O ci m O O O Q N M N m m N O O O O O .r+ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O O O O O O 0 0 0 00 0 0 0 0 00 0 0 O O O O V 0 0 0 0 0 0 0 0 o 0 o n n oO 0 0 0 0 O O o 991 N a` N a 0 u cc cc cc cc cc cc u O a` 0 m O ci N O w N 0 m o m a o 0 0 N m n m m o n m N ci N ci ci .0 N O O O O O C GJ m r^ •� �n �o m �n ca N ti m n m o m O m a 0 0 0 N O O O O O F Y W V O 7 CO N O O F - in co O = O �O T o T = m> C oE oE � O L o N N - O T L w L L W W N t Umo mo o d m E E m m o mo a ' Ux a w w w U w w co O U N O Z 0 U w Z N • -�a 1.3 Current Condition Plan View The following pages present the Current condition Plan View (CCPV). MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 C C N E E 9 N N � (6 W � U C C Z a) C N C O E m coi Z a N L w a T E C7 a ID C) E `o o m IR w m Q m Q — O Q ) 0 a` III®®DLL +r M&A He: 1 N 0 w cr D/^ V N w� C: o �LL N ao w BM U wo Q O 0) � a ko � O = O rn o ' U O C z o z D U E Lo N O N WOO O l } _ O O O N Q W Q U cn Q V N 0 L � a� 0 0 r L R � �U Y t ^� L Z �L it 0 U o Y i N U s 0 0 R � 00 0 Z aZ J O 0 GC � W J Q0 3 w macr D 0 LL 3 > v� C: o `LL N aVo a `m °� Uw C } n-. Q O 0) � a co.ko C: O = O rn o ' U O C z o z D U E Lo N z'It O 0 O O C N } O p a)U N Q � � w Q U cn Q Y n 0 L � a� c = 0 0 R R �U Y t y ^� L 0 Z 0 U Y N U) L U s 0 0 R � 00 e= Fa Z Q z 06 JO W J a0 3 `� w cr LL 3 �_ > v� C: o `LL N aVo a `m °� ULo,C } n-. Q O 0) 7 a � . o O O U C 2 z o a) z D U E Lo N z'It O 0 O O C N } O p a)7-N C Q � � w Q U cn Q Y n O L � a� c= 0 0 R � �U CY ty C L 0 Z 0 �U Y N V! L Us 0 0 R 00 �a Z Lo Qz 10 0G 7 � W —) a0 3 � 2 Goals, Performance Criteria, and Functional Improvements 2.1 Project Goals and Objectives The Project will meet the goals and objectives described in the Buffalo Creek Tributaries Final Approved Mitigation Plan and will address general restoration goals and opportunities outlined in the DMS Neuse River Basin Watershed Restoration Priorities (RBRP). More specifically, three out of the four functional goals and objectives outlined in the Wake -Johnston Collaborative Local Watershed Plan (LWP) as well as the Neuse 01 RWP will be met by: • Reducing sediment and nutrient inputs to the Buffalo Creek Watershed. • Restoring, preserving, and protecting wetlands, streams, riparian buffers and aquatic habitat. Implementing stream restoration in rural catchments together as "project clusters". To accomplish these project -specific goals, the following objectives will be measured to document overall project success: • Restore stream and floodplain interaction and geomorphically stable conditions by reconnecting historic flow paths and promoting more natural flood processes; • Improve and protect water quality by reducing streambank erosion, nutrient and sediment inputs; • Restore and protect riparian buffer functions and habitat connectivity in perpetuity by recording a permanent conservation easement; and • Incorporate water quality improvement features to reduce nonpoint source inputs to receiving waters. MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 4 2: Summary: Goal Goals, Performance, and Objective/TreatmentTable Results Uplift Results Create a more natural and Improve and/or remove higher functioning Maintain seasonal flow on Improve Stream existing stream crossings headwater flow regime intermittent stream for a Base Flow and restore a more natural and provide aquatic minimum of 30 2 Flow gauges (R4 and Data in MY1 Duration flow regime and aquatic passage; re-establish consecutive days during R6). passage. appropriate wetland normal annual rainfall hydroperiods and provide hydrologic storage Reconnect Design BHRs to not Provide temporary water channels with exceed 1.2 and increase Minimum of four bankfull 1 Crest gauge/pressure floodplains and ERs no less than 2.2 for storage and reduce events in separate years. transducer (MS-R2), 7 riparian wetlands Rosgen 'C' and 'E' stream erosive forces (shear Wetland hydrology for 8% Wetland groundwater Data in MY1 to allow a natural types and 1.4 for'B' stress) in channel duringof growing season. gauges (W1,W2, and W3). larger flow events. flooding regime. stream types. Reduction in sediment Bank height ratios remain Construct stream channels inputs from bank erosion, below 1.2 over the Improve stabilty of that will maintain stable monitoring period. Visual stream channels cross- sections, patterns, reduction of shear stress, assessments showing 13 Cross section surveys all cross sections BHR<1.2. and profiles over time. and improved overall progression hydraulic function. towards stability. Within planted portions of the site, a minimum of 320 Plant native species stems per acre must be vegetation a minimum 50' Increase woody and present at year three; a wide from the top of the herbaceous vegetation will minimum of 260 stems per Tree data for 6 permanent Establish Riparian streambanks with a provide channel stability acre must be present at veg Plots and 2 Random 8/8 met requirements - 2021 Buffer Vegetation composition/density and reduce streambank veg transects (species & year five with average comparable to erosion, runoff rates and height of seven feet; and a height), visual assessment downstream reference exotic species vegetation. minimum of 210 stems per condition. acre at year seven with an average height of ten feet. 2.2 Project Success Criteria The success criteria for the Project will follow the approved performance standards and monitoring protocols from the final approved mitigation plan; which was developed in compliance with the USACE October 2016 Guidance, USACE Stream Mitigation Guidelines (April 2003 and October 2005), and 2008 Compensatory Mitigation Final Rule. Cross-section and vegetation plot data will be collected in Years 0, 1, 2, 3, 5, and 7. Stream hydrology data and visual monitoring will be reported annually. Specific success criteria components and evaluation methods are described below. 2.2.1 Streams Stream Hydrology: Four separate bankfull or over bank events must be documented within the seven-year monitoring period and the stream hydrology monitoring will continue until four bankfull events have been documented in separate years. Stream hydrology monitoring will be accomplished with pressure transducers installed in pools and correlating sensor depth to top of bank elevation (see appendix D for installation diagrams). Recorded water depth above the top of bank elevation will document a bankfull event. The devices will record water depth hourly and will be inspected quarterly. The stage recorders include an automatic pressure transducer (HOBO Water Level (13 ft) Logger) set in PVC piping in the channel. The elevation of the bed and top of bank at each stage recorder location will MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 5 be recorded to be able to document presence of water in the channel and out of bank events. Visual observations (i.e. wrack or debris lines) and traditional cork crest gauges will also be used to document out of bank events. Stream Profiles, Vertical Stability, and FloodplainAccess: Stream profiles, as a measure of vertical stability and floodplain access will be evaluated by looking at Bank Height Ratios (BHR). In addition, observed bedforms should be consistent with those observed for channels of the design stream type(s). The BHR shall not exceed 1.2 along the restored Project stream reaches. This standard only applies to restored reaches of the channel where BHRs were corrected through design and construction. Vertical stability will be evaluated with visual assessment, cross -sections and, if directed by the IRT, longitudinal profile. Stream Horizontal Stability: Cross -sections will be used to evaluate horizontal stream stability on restored streams. There should be little change expected in as -built restoration cross -sections. If measurable changes do occur, they should be evaluated to determine if the changes represent a movement toward a more unstable condition (e.g., downcutting, erosion) or a movement towards increased stability (e.g., settling, vegetation establishment, deposition along the streambanks, decrease in width/depth ratio). Cross -sections shall be classified using the Rosgen Stream Classification method and all monitored cross - sections should fall within the quantitative parameters defined for channels of the design stream type. Stream cross-section monitoring will be conducted using a Topcon RL-H5 Laser Level. Three-dimensional coordinates associated with cross-section data will be collected in the field (NAD83 State Plane feet FIPS 3200). Morphological data will be collected at 13 cross -sections. Survey data will be imported into Microsoft Excel® and the DMS Shiny App for data processing and analysis. Reference photo transects will be taken at each permanent cross-section. Lateral photos should not indicate excessive erosion or continuing degradation of the streambanks. Photographs will betaken of both streambanks at each cross-section. A survey tape stretched between the permanent cross-section monuments/pins will be centered in each of the streambank photographs. The water elevation will be shown in the lower edge of the frame, and as much of the streambank as possible will be included in each photo. Photographers will attempt to consistently maintain the same area in each photo over time. Streambed Material Condition and Stability: Streambed material should not significantly change over time and any significant changes (e.g., aggradation, degradation, embeddedness) will be noted after streambank vegetation becomes established and a minimum of two bankfull flows or greater have been documented. If significant changes are observed within stable riffles and pools, additional sediment transport analyses may be required. Jurisdictional Stream Flow: Monitoring of stream flow will be conducted to demonstrate that the restored stream systems classified as intermittent exhibit surface flow for a minimum of 30 consecutive days throughout some portion of the year during a year with normal rainfall conditions. Stream flow monitoring will be accomplished with pressure transducers installed in pools and correlating sensor depth to the downstream top of riffle elevation (see appendix D for installation diagrams). If the pool water depth is at or above the top of riffle elevation, then the channel will be assumed to have surface flow. The devices will record water elevation twice per day and will be inspected quarterly to document surface hydrology and provide a basis for evaluating flow response to rainfall events. MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 6 2.2.2 Wetlands Wetland Hydrology: The performance standard for wetland hydrology will be 12% percent based on the suggested wetland saturation thresholds for soils taxonomic subgroups. The proposed success criteria for wetland hydrology will be when the soils are saturated within 12 inches of the soil surface for 12% (27 days) of the 227-day growing season (March 21st through November 3rd) based on WETS data table for Johnston County, NC. The saturated conditions should occur during a period when antecedent precipitation has been normal or drier than normal for a minimum frequency of 5 years in 10 (USACE, 2005 and 2010b). Precipitation data will be obtained from an on -site rain gauge and the Clayton (CLAY) Research Weather Station, approximately 9 miles southeast of the Project site. If a normal year of precipitation does not occur during the first seven years of monitoring, WLS will continue to monitor the Project hydrology until the Project site has been saturated for the appropriate hydroperiod. If rainfall amounts for any given year during the monitoring period are abnormally low, reference wetland hydrology data will be compared to determine if there is a correlation with the weather conditions and site variability. Wetland hydrologywill be monitored to document success in wetland restoration and enhancement areas where hydrology was affected. This will be accomplished with automatic pressure transducer gauges (located in groundwater wells) that record daily (twice per day) groundwater levels. The pressure transducer gauges are HOBO Water Level (13ft) Loggers made by Onset. Seven gauges will be installed within the wetland crediting areas. One automatic pressure transducer will be installed above ground for use as a barometric reference. One rain gauge will be installed at the adjacent Odell's House Mitigation Project site (0.3 miles southeast of the project) to document rainfall at the project. Gauges are downloaded quarterly and wetland hydroperiods are calculated during the growing season. Gauge installation will follow current regulatory guidance. Visual observations of primary and secondary wetland hydrology indicators will also be recorded during quarterly site visits. 2.2.3 Vegetation Vegetation monitoring will occur in the fall each required monitoring year, prior to leaf drop. Plots will be monitored in years 1, 2, 3, 5, and 7. Vegetative success for the Project during the intermediate monitoring years will be based the survival of at least 320, three -year -old planted trees per acre at the end of Year 3 of the monitoring period; and at least 260, five -year -old, planted trees per acre that must average seven feet in height at the end of Year 5 of the monitoring period. The final vegetative restoration success criteria will be achieving a density of no less than 210, seven -year -old planted stems per acre that must average ten feet in height in Year 7 of monitoring. Vegetation success is being monitored at a total of six permanent vegetation plots (10m x 10m or 20m x 5m) and two random vegetation transects (50m x 2m). Vegetation plot monitoring follows the CVS-EEP Level 2 Protocol for Recording Vegetation, version 4.2 (Lee et al. 2008) and includes analysis of species composition and density of planted species. Data will be processed using the DMS ShinyApp. For each plot, the origin will be marked with a PVC pole and the other three corners marked with rebar. Tree species and height will be recorded for each planted stem and photos of each plot are to be taken from the origin each monitoring year. MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 7 2.2.4 Visual Assessment WLS will conduct visual assessments in support of mitigation performance monitoring. Visual assessments of all stream reaches will be conducted twice per monitoring year with at least five months in between each site visit for each of the seven years of monitoring. Photographs will be used to visually document system performance and any areas of concern related to streambank and bed stability, condition of in - stream structures, channel migration, active headcuts, live stake mortality, invasive plant species or animal browsing, easement boundary encroachments, and general streambed conditions. Permanent photo points will be at the cross -sections and culvert crossings. 3 Project Attributes 3.1 Design Approach 3.1.1 Stream The Project stream design approach included a combination of Stream Restoration, Enhancement Level I, and Preservation activities. A Priority Level I restoration approach was incorporated with the design of both a single -thread meandering channel along the main stem (MS-R1 and MS-R2) and step -pool channels (R3, R4, R5 and R6). All non -vegetated or disturbed areas within the conservation easement were planted with native species vegetation and any areas of invasive species were removed and/or treated. Restoration: MS-R1, MS-RZ R3 (lower), R5 (lower) • MS-111 — MS-R1 was restored as a Rosgen 'C4' stream type using appropriate riffle -pool morphology with conservative meander planform geometry that accommodates the valley slope and width. Work involved a Priority Level I restoration to raise the bed elevation and reconnect the stream with its geomorphic floodplain to promote a more frequent over bank flooding regime. • MS-112 — MS-R2 was restored as a Rosgen 'C4' stream type using appropriate riffle -pool morphology with conservative meander planform geometry that accommodates the valley slope and width. Work involved a Priority Level I restoration to raise the bed elevation and reconnect the stream with its geomorphic floodplain to promote a more frequent over bankflooding regime. • R3 (lower) — R3 (lower) was restored as a Rosgen '134' stream type using appropriate step -pool morphology with a minimal meander planform geometry in the lower portion that accommodates the valley slope and width. Work along R3 (lower) involved a Priority Level I Restoration by raising the bed elevation and reconnecting the stream with its geomorphic floodplain. Most of the channel was restored in its current location with minor adjustments to channel planform to tie into MS-R1. • R5 (lower) — R5 (lower) was restored as a Rosgen '134' stream type using appropriate step -pool morphology with a minimal meander planform geometry. Work along R5 (lower) involved a Priority Level I Restoration by raising the bed elevation and reconnecting the stream with its geomorphic floodplain. The majority of the channel was restored in its current location with minor adjustments to channel planform to tie into MS-R2. Enhancement Level I: R41 R5 (upper), and R6 MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 8 • R4 — R4 begins below a stormwater outfall pipe within the upper catchment. WLS modified the BMP outlet by replacing an abandoned outfall pipe with a step -pool outlet channel to reroute base flow back into the natural stream valley. The lower portion of the reach was regraded across the floodplain to tie into MS-R1. In -stream structures, such as log weirs and stone riffles were used to dissipate flow energy, protect streambanks, and eliminate potential for future incision. • R5 (upper) — R5 (upper) Enhancement Level I activities involved raising the bed elevation in the middle portion and removing any spoil/levees, thus providing better access to the geomorphic floodplain. In -stream structures, such as log weirs and stone riffles were used to dissipate flow energy, protect streambanks, and eliminate potential for future incision. Eroding channel banks were graded to stable side slopes, live staked and bare roots were also used to promote woody vegetation growth along the stream, riparian buffer and existing wetland area 'WB'. • R6 — Enhancement Level I activities along R6 involved stabilizing an existing pond outlet and enhancing the stream with appropriate step -pool morphology. Work along the lower portion of R6 involved raising the bed elevation, installing in -stream structures and removing remnant spoil to provide better floodplain access. The majority of the channel remained in its pre -construction location with minor adjustments to channel planform before the confluence with MS-R2. Preservation: R3 (upper) • R3 (upper) -The upper section of R3 is classified as a Rosgen 'C5b' stream type. Preservation was proposed along this reach since the existing headwater stream is mostly stable with a mature riparian buffer due to minimal historic impacts. Riparian buffers in excess of 50 feet will be protected in perpetuity through a permanent conservation easement. 3.1.2 Wetland Riparian Wetland Re-establishment: W1, W2, and W3 Areas of hydric soils documented on the floodplains of MS-R1 and MS-R2 were restored as a result of implementing a Priority Level I stream restoration, limited soil manipulation and removal (less than 1-foot depth) and planting native species vegetation. Both groundwater hydrology and overbank flood frequency will be restored. Riparian Wetland Enhancement: WB, WC, and WD Existing jurisdictional wetland areas were planted with native wet tolerant species and adjacent stream restoration will improve groundwater hydrology and overbank flood frequency. 3.2 Project Attributes See Table 3 below for Project attributes. MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 9 Table Project Name 3. Project Attribute Table Buffalo Creek Tributaries Mitigation Project County Johnston Project Area (acres) 17.1 Project Coordinates (latitude and longitude decimal degrees)ProjectWatershed 35.72275,-78.34285 Physiographic Province Summary Information Piedmont River Basin Neuse USGS Hydrologic Unit 8-digit 3020201 DWR Sub -basin 03-04-06 Project Drainage Area (acres) 543 acres Project Drainage Area Percentage of Impervious Area 13% Land Use Classification 2.01.03, 2.01.01, 3.02 (20%cultivated crops, 9%grass/herbaceous, 48% mixed forest) Parameters Reach MS-Rl Summary Information MS-112 R3(upperand lower R4 Pre -project length (feet) 1,803 1,475 701 469 Post-project(feet) 1,538 1,337 676 499 Valley confinement(Confined, moderately confined, unconfined) moderately confined moderately confined unconfined unconfined Drainage area (acres) 442 543 24 30 Perennial, Intermittent, Ephemeral Perennial Perennial Int/Perennial' Ephemeral' NCDWR Water Quality Classification C, NSW C, NSW C, NSW C, NSW Dominant Stream Classification(existing) G4c G4c/Incised E4 C51b (upper), GS I owe r GSc/CS Domi na nt Strea m Classificati on(proposed) C4 C4 B4 B4 Dominant Evolutionary class (Simon) if applicable III/IV III III IV/V Parameters Wetland W3 Summary Information W2 W3 WB Pre-project(acres) N/A N/A N/A 0.039 Post-project(acres) 2.044 0.990 0.484 0.032 Wetland Type (non -riparian, riparian) Riparian Riparian Riparian Riparian Mapped Soil Series Wt: Wedhadkee loam Wt: Wedhadkee loam Wt: Wedhadkee loam Ly: Lynchburg sandy loam Soil Hydric5tatus HydricA HydricA HydricA N/A Regulatory Parameters Considerations Applicable? Resolved? Supporting Dom? Water of the United States -Section 404 Yes Yes 404 Permit Water of the United States -Section 401 Yes Yes 401 Permit Endangered Species Act Yes Yes Categorical Exclusion Historic Preservation Act Yes Yes Categorical Exclusion Coastal Zone Management Act(CZMA or LAMA) No N/A N/A Essential Fisheries Habitat No N/A N/A Note 1: Indicates that the lower section of the reach was classified as perennial and upper stream reach was classified as intermittent. Note 2: Reach R4 is shown as a blue line stream on the USGS topographic map. The historic flow path has been piped from an existing stormwater BMP towards Reach R5 and diverted away from its natural stream valley. MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 R5(upperand R6 lower 766 208 771 232 unconfined unconfined 19 25 Perennial Intermittent C, NSW C, NSW Incised E5(upper), BSa G5c (lower) B4 B4 1/III 1 WC WD 0.004 0.032 0.004 0.038 Riparian Riparian Wt: Wedhadkee loam Wt: Wedhadkee loam HvdricA HvdricA 10 4 Monitoring Year 0 Assessment and Results 4.1 As -built Survey An as -built survey conducted under the responsible charge of a North Carolina Professional Land Surveyor (Marshall Wight, PLS with WithersRavenel), was utilized to document the as -built or baseline condition of the Project post -construction. The Project construction and planting were completed in April 2021 and as -built survey was completed in May 2021. Planting on the lower half of the project started in March 2021. Baseline monitoring activities occurred in April and May 2021. 4.2 As -Built Plans/ Record Drawings The results of the as -built survey establish and document post -construction or baseline conditions and will be used for comparing annual post -construction monitoring data. The as -built plans or record drawings were developed utilizing the final construction plans as the "background", and then overlaying the as -built survey information on the plan and profile sheets. Any significant adjustments or deviations made to the final construction plans during construction are shown as redline mark-ups or callouts on the as -built survey plan sheets. The as -built plans/record drawings were submitted separately. 4.3 As -Built/ Baseline Assessment No deviations of significance were documented between the final construction plans and the as -built condition that may affect channel performance or changes in vegetation species planted. Along MS-R2, the channel was realigned from approximate design station 29+50 to 32+75 to protect a large hardwood tree (-10 DBH) and prevent root damage within the dripline. As a result of this realignment, lower R5 confluence was extended to tie into MS-R2. Similarly, lower R4 was realigned from approximate station 12+17 to 14+59 due to poor/wet soil conditions and to more closely follow the graded floodplain and valley contours. The in -stream structure installation followed the proposed design in these locations. Log riffles were replaced with stone riffles along R5 to minimize disturbance to exiting vegetation. Lastly, three log riffles were removed along lower R6 and three stone riffles were installed further upstream to increase bed stability and minimize disturbance to existing vegetation. No major issues or mitigating factors were observed immediately after construction which require consideration or remedial action. 4.4 Morphological Assessment Morphological data for the as -built profile was collected in April and May 2021. Refer to Appendices A and C for summary data tables, morphological plots, and stream photographs. 4.4.1 Stream Horizontal Pattern & Longitudinal Profile The MYO stream horizontal pattern and longitudinal profiles closely match the design parameters. The MYO plan form geometry or pattern fell within acceptable ranges of the design parameters for all restored reaches. These minor channel adjustments in riffle slopes, pool depths and pattern do not present a stability concern or indicate a need for remedial action and will be assessed visually during the annual assessments. 4.4.2 Stream Horizontal Dimension The MYO channel dimensions generally match the design parameters and are within acceptable and stable ranges of tolerance. It is expected over time that some pools may accumulate fine sediment and organic matter, however, this is not an indicator of channel instability. Maximum riffle depths are also expected MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 11 to fluctuate slightly throughout the monitoring period as the channels adjust to new flow regime and catchment conditions. 4.5 Stream Hydrology 4.5.1 Stream Flow Two pressure transducers (flow gauges) were installed in April 2021 on reaches R4 and R6 to document baseflow conditions. The flow gauge locations are within the upper one-third of the project reaches as shown on the CCPV and the data will be included in the Monitoring Year 1 Report. See Appendix D for the pressure transducer installation diagrams. 4.5.2 Bankfull Events One crest gauge was installed in March 2021 to document bankfull events. WLS installed a conventional cork crest gauge, along with a pressure transducer to validate flood status MS-R2. Stream hydrology data will be included in the Monitoring Year 1 Report in this section and in the appendices. Recorder locations are shown on the CCPV. 4.5.3 Wetlands Seven groundwater wells were installed in March and April 2021 to monitor wetland hydrology. Groundwater well locations are shown on the CCPV and the data will be included subsequent monitoring reports. Elevations of groundwater wells are in Appendix E. 4.5.4 Vegetation Monitoring of the six permanent vegetation plots and two random transects was completed during April 2021. Vegetation data and photos can be found in Appendix B. The MYO average planted density is 673 stems per acre, which exceeds the interim measure of vegetative success of at least 320 planted stems per acre at the end of the third monitoring year. Each vegetation plot is also meeting the interim measure requirements and has 607 - 769 stems per acre. Volunteer species were not noted at baseline monitoring but are expected to establish in upcoming years. Temporary and permanent seeding was conducted during and after construction activities, following the approved mitigation plan. Visual assessment of vegetation outside of the monitoring plots indicates that the herbaceous vegetation is becoming well established throughout the project. Two encroachments were noted near the southern most culvert crossing on MS-R2. Both are recently sodded/planted grassy areas near the boundaries of recent housing development. To prevent further encroachment, the homeowners will be contacted, and the easement line will be more clearly marked and planted. Actions taken will be detailed in the MY1 report. No areas of significant invasive plant species were observed post -construction. The site will be monitored closely, and any invasive plant species will be treated as needed. Any treatments will be documented and included in subsequent monitoring reports. MYO FINAL Buffalo Creek Tributaries DMS Project # 100042 12 Appendix A: Visual Assessment Data Visual Stream Morphology Stability Assessment Table Vegetation Condition Assessment Table Photos: Cross -Section Photos Photos: Stream Photo Points (Culvert Crossings) O O O O O O O O O O O O O O O O O O O O O O N m i+ F00 m 00 � N I (Y1 00 a --I N N Y y N U o 3 T N � O 0 O N O U �I t�o Y Y U N to 00 L O 0 ._ 6 O O m In Q mE C m bA U C a) c 0 0 m Q Q 0 0 � N N U U � Q = In C O E Q Y 0 v 5 0 E no N C X X c6 Ln c6 c6 tl0 N Y to Q N O x L Q > OU X j N ZD N i cYp to C Ln > N N Y i -O [0 U N N m s ca O s s U oo C CLO N r Y Y Y � E °U' a 0 3 t^ o �a o 0 a 0 5 Ln cYi �n N m O 0 rl N f0 Z a m o � o p Y c ca r � m _ > ca � � O N N � � co O 0 0 m = _ co x 0 a� ai COm m � ca LL C7 'in m a) o0 a m m m c N .0 0 3 cu U h C O 7 y CO N O t U cu a to L f0 Y `� lJJ 1 - Y N C r+ C cu C f6 C JC C C J h m H m C7 m M Y N C f4 L m N N N N = N N cu cu lu N N OC Q Q ' 0 . . \ 0 \ a d \ 0 \ a- e \ 0 k a \ 0 \ a d \ 0 — 2 E ' 0 . . \ 0 ) \ 6 \ 0 m k 0 _ \ \ \ E \ § 2 0� \ \ �) ( 2 { { - a)E o k § : _ § \ { 2 7 \ -0E e / 2 2 2— 2 c E 0 \ G E y -0\ E E g { k a . _ ` a & 2 } / ° } § = Q _ , § E \ « $ 2 j a)§ g :E§ \ en LU \ E \ \ m § \=j L)j } 7 E 2 � \ / 2 f 00 7 \ //jm E 0)z / § \ ) I B \ , % G / J 2 > \ \ Q (/k\ § CL m @ « ) / OD E E 0 Q o=e = .% /\Q� )\ƒ\ � \ \ Q 2 : 0 ) ƒ E m cc ; < E } & \ 5 •, ƒ ) * § \ } \ ) g [ < t ® E % E ! \ § } o ] _ \ `r ,�!'. *' i ° f,.. • if[� r =: ram' �'IA r , F cv C _ Q CD � 'r'F'` •Y 75 _ I N �•x LA 0 - m z1Z r i _ - I F 1. L' � �! •F��'i 1 .J. �` f Ile c :. z v r y'1 [ C m Nf% N ' cF -Stiff .- wro'' a • Yo w � - I •, f.�4 �i y 1� 1 � � Q -� Q -- — 1 co co im t �T. 'ram - �� ..•l S.b,. R• t g'1lWUR IMT. ;r yrj• , co 0 co •'ice Y ?;C{ N •. +� ti. �`,11 .r' h, ♦ i•: is y; a } Lr � N 1 �+ , ryrt. j if co Q r N cF aIVAt � Aoit CF 7. 00 Cal D 'rj�; y� L:'3 .•;ri!::�• ; y 3r.1• r. �� ,,�,;� •, � :a� ��= _ ;, :�..°� -em,u,,� r .'•1' ro Q0 co 3 , SjA . r CC) CO CV Q CV d (3) r' N N r' ,`. O co CQ% E f ( 41{ - Q X }` (A tz r �':j � •"�.�,�� - - � �� jL .. :' Jig •rt�.. �:'r•`'"�nh's. .- .?,�:F�..•..'S1f:�SCLR�.a'�:;,�a��.,__,�S•.-..,,S h�: r:!.'i �:<',. ..�_ Y � y. ' �� .�.,- '�� `.'Y � �- 1 K ��' '`� - _.i yyj �; �Y [" ..� "' 3 - N . - ::K � i. �� i '. G• CO tj 'r'• �'` Fr m l O ' fir^ k [ .' #�. '• 41 06 00 un X {. vJs... -'�- .�7' •�� L LO Ln f'r•+ vg- 4i Y;iS' y Crj �' _-fir__• '•i '.,'-r=•-_ S'� D I: 1,a ;';.:-,�` �•`�.. ro N � � „ 1'� r- � CJ -� `� .. LLLL��- .�;. :"-': • � : (�,�ivy:..: �' ct?' '.�3�! 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W�1511 • i1�'-:'"gip'•, - - • �} '. 15 s�'y''a:�'v':.:' CD 14-21 co m 0 0 C� G N L N Q Z) N -I N x N cF N �' DO i VA CN Oj j,co ' ca to ki E X - � Igo 4�• � '�p. cn a �Til I r+] - • = - -_ '' •` X :h'' - it f •, a sk: I OEM I—P E 4 , V) CL D Appendix B: Vegetation Plot Data Redline Plant List Vegetation Performance Standards Summary Table Vegetation Plot Counts and Densities Table Photos: Vegetation Plot Photos Vegetation Plot Maps E llLSpecies A Fraxinus pennsylvanica MitigationBuffalo Creek Final Planting List Oil LOM monName Green Ash . 132 % Planted 3.00% Mitigation Plan % 3% Betula nigra River birch 440 10.00% 10% Tilia americana Basswood 440 10.00% 10% Quercus alba White oak 440 10.00% 10% Platanus occidentalis American sycamore 440 10.00% 10% Nyssa sylvatica Black gum 440 10.00% 10% Liriodendron tulipifera Tulip Poplar 440 10.00% 10% Quercus rubra Northern red oak 440 10.00% 10% Diospyros virginiana Persimmon 176 4.00% 4% Carpinus caroliniana Ironwood 176 4.00% 4% Hamemelis virginiana Witch hazel 176 4.00% 4% Asimina triloba Pawpaw 176 4.00% 4% Lindera benzoin Spicebush 176 4.00% 4% Alnus serulatta Tag Alder 132 3.00% 3% Corylus americana Hazelnut 176 4.00% 4% Total 4,400 100% i nere were no cnanges oT ine rinai ream: list Trom Tne ivimgaiion Tian 0 0 v v u u C °p C O1 M iL lD iY O O a a 2 2 Q Q u u E 0 E ai ai j O j O j C C C 0 0 0 m � a a CL N C LL Ln LL LnQ VI N ik l!1 3Y 7 O Xk O a O a � 0o on O j j a x x ) x u u u E n ID E oo ID E w Q) al Ln Ln Ln Q) Q) w j O j O j C C C 0 0 0 Ql Ql Ql CC u C 00 C O1 C Ln LL V1 O. 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E 3 c cz E ao u Q u Q u Q u u u u Q u u u u f d m o a n E a m — a gip, a c a ^' £ v 3 0 S d N t 3 a Y � a a a s v 3� `m p v E E E Q E O E o E c E - T Q Q Q Q O O c E qo Ea=E=m m qo Ea=E=; c> u w y v y v - o ,% a aw n N o Y °' a aw c u C u C Q C Y n N_ O .p `m '" o - p > m ao ao � S m vi ui5 o ¢ „ w Q p a o :o y a v m o n a —o Q a L p L N E M CLO ......... •:, qA qA LO 0 -7 rl, i �11,x rl� � 101-i�'Mlllic�v, ill,,: 71 0 0 0 ...... ..... 7t �-Z Ln 4� 0 a— bio x LL ❑e k O b n f c G 9 a I p e d h i m X (m) • M m I n 0 k h I d e f 9 c b a 2.5 5.0 7.5 X (m) Mapped Plat ID 1 Scie�ntitic Name Quercus rubs C—oin N—o northern red oak Stem Label a 1 Quercus ni bra north ern red oak b 1 LA el crhite oak c 1 Qr.eras alb; white o;k d 1 Q-1-L.S lba white-k 1 Asirrira ti iloba f 1 N•,sss s.,l :,ati. black=um 1 QLei slba white oak h 1 Carpirrs ca rol iniana American hornbeam i 1 Corylr. s_rrericana American hazelnut j 1 Alns serrulata hazel alder k 1 Qr. el -is ru bra northern red oak I 1 Diospy—':,iiginfana common peisirrmon m 1 Diospy—s-:,iiginfana oommor per siirmon in 1 Diospyr—i reiniana carer or p—iirmon n 1 Alrrs serrulata hazel al:. er In 1 Alrrsserru lata hazel ;leer q 2 Corylus serer leers _ ericsr hsc_Iru Label a 2 Corylus_rrei Cana — ir, F_xel nut b 2 BetL.I- rloi 11—r 1_I1-h 2 Linder_ berzoin not rr sl;icebush d 2 Harreirelis J iglniana Amerl_sr •.-; It_hhazel e 2 Dios ,—, igiriana common pei simmon f 2 N ss s,I`tl' black=um 2 Tllia a Ire-5— American basswood h 2 Queras;lba white oak 2 Fmxinus perrsylvanica greer ash j 2 QOe1-L-5 n. bia northeir red oak k 2 Querns n. bra north.err red oak I 2 Querrr. s;lb- white oak rin 2 Betula nlgia river birch in 2 Carpinus carolinlana American hornbeam c Plot 3 P q O in IM k b a c h d f g i X (m) Plot 4 k m n O I e b d g a h f X (m) Mappied plot 10 3 Scientific �Jame Plata nus occidentaIis Common Name American sycamore Stem Label a 3 Q—crs rubra north err re: oak b 3 Corylus arrericana Amen hazelnut c 3 Lirindendron tulipifera tL.liptree d 3 Platanusoccidentalis Americansyicamore e 3 Platanusocci:cntalis Americansycre f 3 Platari-occd—talis Americans:_mare 3 Hamarrelis:sir iniana Americor itcfhazel In 3 QLerc,szl ba u,ilteoak i 3 BetL_la rigra river birch j 3 Platams xcidentalis Anx=_ric-n sycamore k 3 Asiirir ti laba p_-,paw 3 Plotaris—i:ientalis Amen sycamore m 3 H a it a it el i s A i giniana Airei i ca r itch h aze l n 3 PIataris xz antaIis Aireri c-r svc-more n 3 Ham air el is vi rginiana Aireri_an e;it�h hazel p 3 1 Platanusomidentalis Ameriransycamore q Mapped lot ID 4 Scientific Nam. Carp—.s c_rcliniana Common Name Americar hornbeam Sit . Label a 4 Asirrira triloba pa.v paw b 4 Frarirr.s perrsvlvanica green ash e 4 F s riru perrsilvanica green ash d 4 Plut_,rr. s i:entalis Americo r sycamore e 4 Linocer-i or tr.li ifera tuli tree f 4 Hamarr elis-: iigi niana Amencar:rit_Fhazel 4 Platamsz i_entalis Ameri—sycamore In 4 querns-lba white oak i 4 BetL-I: rigs river birch j 4 Linder-berzom north. rr spicebush k 4 Q-1_LI_Iba whiteoak 4 Lirioder-i cr tL.lipifem tuliptree m 4 Asiminatriloba pawpaw n 4 Fraxinus pennsylvanica green ash o 5.0 } Plot 5 IT p n p k I e h 9 f d a b c 2.5 5.0 7.5 X (m) Plot 6 q p s f O I n k i h 9 f b c d e a 2.5 5.0 X (m) Mapped plot 11) 5 ScientificName Betula nigra Common Name riverbirch Stem Label a 5 Platants rcidentalis American sycamore h 5 Asiirir. ti iloba pempaw c 5 Alms sec rulata hazel.lder d 5 Carpinus car oliniiana Americo hornbeam e 5 Quercus ru bra north ern red oak f 5 NI sI'jatica bl-,rk um 5 Hamamelis:sir iniana Arn ica i-itrhhazel In 5 Cory l L. a it ericana American hazelnut i 5 Tilia -,irerirana American hasswood j 5 Asi it is tI iloha pawpaw k 5 Platan is xcl-lentalis American sycamore I 5 Lirioderc r or tulipifem tiliptree m 5 Qt-ei=rs.Iba vrhiteoak in 5 Qt -el=rs aba vrkiteoak o 5 Lincer. benzoin northerr spicebush p Plot In 6 S i.rtifi, Name Diospyros virginiana Corr —in Name common persimmon Ste. Label a 6 FmXIn LS perrsylvanira green ash h 6 Asi it irti i loba pawpaw c 6 Asi it irti i loba pawpaw d 5 Qi. erns n. bra northern red oak e 6 Carpi r Ls cn col i niana Amerinn hombeam f 6 Betc 1. rigra river birch g 6 Plata, ;-r_i-entalis Americans —ore h 6 Qi. ei-Ls n. bra north ern red oak i 6 Lirioder, inr tulipifem tuliptree ] 6 Carpi,, c.i oliniana Americar hornbeam k 6 Lirioder:. ror tdip11-era tuliptree 5 Qi. erns n. bra northern red oak or 6 QL. er-Ls.I ba wh ite oak in 5 Qi. erns n. bra northerr red oak o 6 Carp i r L.s-. r-1 i niana Americar her rbeam p 6 Lirioder, i or tulipifem tuliptree q 6 QLerCLs cbra northern red oak r 6 Platanuscudentalis American sycamore s Appendix C: Stream Geomorphology Data Cross -Section Charts with Annual Overlays Baseline Longitudinal Profile Baseline Stream Data Summary Tables Cross -Section Morphology Data U (10 uaEWAGIS m Q1 c0 m W lD rl lD lD .--I lD N N N N N Q Q c c m m m m ry Y N O] 2 K K Q1 Q1 Q1 m 00 Q1 Q1 Q1 0 Q1 00 Q1 Q1 Q1 0 Q1 Q1 Q1 m C M tD .-I Q1 CO 1� .--I W 0 7 CO 7 N CO 0 7 7 �--� M O N O N O 7 1� M Ql tD tD tD O tD Ql V1 V1 V1 tD 1� - 1� n n n tD vi vi 7 7 7 7 vi vi vi tD tD tD tD tD N N N N N N N N N N N N N N N N N N N N lD 1l CO lD CO 1l Q1 7 O V1 O CO N N N tD n CO Ql Ql O O M 7 7 V1 C Q `CD O n c� G N c 0 U N co N 0 U ('11) uOtIvA813 0 O n j q b �o �o bj m .y lD rl lD lD � N N N O O v v Q Q C C O O o] o] o] o] ry Y N O] 2 K K m 0 m 00 m m C .-I tD N O 7 tD Ql tD 7 CO Ql W Ql tD M O O1 tD 1� tD tD O 7 O O O O O O1 O tD M v1 1� � 7 7 - tD tD tD tD tD tD vi vi vi vi vi vi 7 vi vi tD tD tD tD tD tD N CO m CO M CO Q1 Q1 (Li U C Q O N rr ch G Cl) c 0 U N U) N U) p U ( 4) uoEIenalwl O v�i o o 7 N N N O O v v Q Q C C O O o] o] o] o] (0 Y N p] 2 K K CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO Q1 O Q1 CO V1 N Q1 O n n V1 N .--I L1 O 7 N al cO M tq n tq n V1 al Ol Ol CO CO CO CO Ol O O O O O N N N N N N N N N N N N N N N N N N N N CO O CO Ql Ql O M M 7 V1 Qj N N N N N N N M U C in `CD O O n (r c� G C O U N co N 0 O U (•y) UOIIIsn9913 O co m co O co tD .-I V1 tD N N N N N O O v v Q Q C C O O o] o] o] o] O N rr ch G LO C O U N U) N U) p U (-4) UOIIEne13 0 V1 N V1 � Q1 CO Q1 N lI1 rl ll1 ll1 .--I .--I N N N O O v v Q Q C C O O o] o] o] o] ry Y N m 2 K K m 00 m 00 m � 0 00 C O O tD M N CO 1 N M Il rM M M O M CO tD O / 7 .7 0 0 O C O tD 7 7 V1 N O O CO tD CO 1� tq M M a O l N O 7 CO N tD O N V1 CO V1 7 7 tD m CO N tD O (Li N N N N N N N U C Q O i N rr c 0 U 0 U) N U) 0 U ('11) uot[ena13 Co v Co CO O 'I CO N O tD .ti tD tD O N N N N v v Q Q c c m m m m (0 Y lu m 2 K K .-I Q1 tD M N N N M M tD tD 7 V1 1� V1 V1 C tD V1 V1 CO O m Ql m M 0 m - v1 CO .--� CO M tD 7 tD Cl CO Cl .--I 7 O Cl CO - N N N N N tD .ti O O O O O ti ti N .--i .ti ti O tD �p tD tD tD tD tD N tD tD tD tD tD tD tD tD tD tD tD tD tD N N 1� tD N m V1 .-I m CO t 7 t m 7 m (Li CO O M O M O .--i O N O 0 m CO C M .--I m t M tD V1 N M .--I O I co n V1 tD V1 7 V1 co tD 7 tD V1 1� 7 m M co O 1� M M 1� co co V1 co 7 M 1� 7 M M N N N O �--� 0 7 N lD lD lD CO N -i 7 N Q N -1 .--I tD m .--I M 7 7 V1 V1 tD 1� co .--I V1 N 1� 7 co .--I .-I N N N N N N N N N M M 7 7 O c} G N rr 0 O LO c 0 U N U) N U) 0 U (•11) uotienaI] N N N O O v v Q Q C C m m m m (0 Y lu m N M CO m M 00 m .-I 00 V1 V1 tD C tD N O tD 00 Ql O O O O M V1 00 00 N O O ^ O 1� L al 1� n n n n n lD lD lD lD lD n n n ll1 CO cO cO cO cO � V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 N V1 V1 V1 V1 V1 N N N N N N N N N N N N N N N N N N N N Q1 M V1 N V1 Q1 M cO M V1 O M cO V1 V1 M Ql M tD 7 N N M Ql cO Ql cO cO V1 u M c0 c0 O N v1 O O1 m N O m C o N N N 0 m m o Ql m 7 N O tD CO V1 V1 M m m V1 co co tD m O N Ql m CO co Q1 .--� O .--i m m M Q1 7 c0 CO tD (I tD V1 O 'I V1 Ql M 7 .--� V1 CO V1 � M 1� .--� tD .--� Ql Q tD n O M 7 V1 V1 V1 1< N M V1 co O 7 1� M co .-I .-I N N N N N N N M M M 7 7 7 Q c} G N rr 0 O LO Ir 00 c 0 U N U) N U) 0 U ('14) U011LA61] O n O ^ M c0 N N N O O v v Q Q C C m m m m I (0 Y � m 2 K K 0 0 M M V1 C0 N 00 CO 1� n M N V1 7 7 7 N = V1 7 .--I V1 M 7 N 7 O tD 00 tD V1 m .-I V1 tD tD m 1� CO N O 7 V1 7 Cl M CO CO tD 1-CO CO N N tD CO 1� V1 W M - V1 7 7 V1 7 M V1 N N N N N N M 7 V1 7 7 7 7 7 V1 �p N V1 V1 N V1 V1 N V1 V1 V1 V1 V1 V1 V1 V1 N V1 V1 V1 V1 V1 V1 N 7 1� M 7 M V1 tD Q1 M N V1 V1 7 Q1 N 7 N 0 1� n W .--� tD CO O m tD N N .--� O m tD N CO O C c U� 7 O 1) n tD CO Ql N M N .--I tD Ql .-I 1� V1 N tD O = Ql 7 tD Ql CO .ti W Ql tD M CO 7 1� m N m N too M Ql 1� O O Ql 7 �/1 N m Ql oo M 7 Ql N 7 Ql .--� CO lq V1 ri L1 7 O N 1� v1 M aD g N 7 O O 1� V1 N .--I tD � M V1 .-I N N O N .--I Ql O CO .--i .--i N 7 CO O O M O 7 7 7 CO .-I .-I N N N N N N N M M M M 7 O 75 N rr N rr Ch 75 c 0 U 0 U) N U) p U (O N N � N ('li} uoi�anal3 O v o v m lI1 rl ll1 ll1 .--I .--I N N N O O v v Q Q c c m m m m Q Q c c 0 0 v v v m m a c =O O t .� ; =O u �% > L w p (Un 'aai op a', cxo 0 w = v u u Y Y 3 m m m 0 0 0 I (0 Y � m 2 K K V1 tD N N CO V1 tD 7 M M m CO M m CO N CO M m .-I .-I CO .-I 1� M CO 7 tD O � V1 V1 V1 V1 N V1 V1 V1 N V1 V1 N V1 V1 V1 V1 V1 V1 V1 N V1 V1 V1 N O CO m CO .-I tD V1 N N tD N 7 N 1� V1 O M V1 O M CO M M N V1 CO m m CO CO O 7 N .--I m V1 m V1 U M .--I .-I N m 0 7 7 CO M CO V t V V N M 7 M m M C M CO O CO O CO Ql Ql O .�-� Ql M .--I .-I M O N N M O CO - O O N 7 .--I V1 CO N Ol O N O O O O O rV CO rV 6 7 .--i ti ti O .--i Q N V1 Ql N N M 7 CO Ql M O M V1 Ql M 1� O c� G O O CL N CF U) O C O U N U) N U) O U ('y) uagene13 O N O N N N N r 7 Q1 N N N v v Q Q c c m m m m I (0 Y N p] 2 K K 7 CO CO 7 .--I 7 N tD CO M m M V1 tD C M m CO CO V1 � V1 V1 V1 N V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 V1 N wN V1 7 m V1 m tD CO M N N 7 tD tD CO N tD M CO O 7 O tD tD 7 M O CO M m O m O M C 1� �� t tD .--I 7 tD tD 7 O M M m M N V1 CO m M m CO CO .--I CO M M .-I .-I N 7 .--I t O tD I 7 t O Ql 1� tD N N 7 CO tD O .--i 7 O 1� CO 7 7 M W '1 O Cl Cl Cl CO N tD Ql .4 N M 7 V1 l6 c} G N rr Cfl C O U CD U) In U) O U ('4) UoilEneIzI 0 O lI1 rl ll1 ll1 .--I .--I N N N O O v v Q Q C C O O o] o] o] o] I (0 Y � m 2 K K .--I rl V1 Q1 N N 7 7 Q1 m M 00 m tD Q1 m N O 7 Cl CO CO C1 C1 11 7 Ll Ql C- oq Ql O CO .--I Ql CO 1� CO Ql .--I CO �/1 CO Ql CO � N � V1 V1 V1 V1 V1 V1 V1 V1 V1 7 7 7 7 7 V1 V1 V1 V1 V1 V1 N N N O N V1 1� tD V1 N M N M 7 .--I m tD 00 7 00 7 m M tD 7 N m M m M tD 00 O 1� N V1 O m tD O 7 00 m m 00 .--I M 00 tD 7 C V1 00 7 M tD 7 0 00 O O M 00 00 7 0 7 M N 0 m M .--i M tD m m 00 1� O 00 O O O 1 00 O m O 00 Q q N V1 lD CO O M 7 V1 lD 1-z CO O M V1 O M 1-z 7 00 .--I - .--I - N N N N N N N N M M M 7 7 7 O c� G N N C 0 U 0 U) N U) p U (•y) UOIJVA613 O �--� Q1 N N N O O v v Q Q c c m m m m ry Y N m 2 K K CO m CO 7 m O O CO O N m M N N I N O O N L 1 CO V1 V1 M W O L/ CO M Cl .-1 .-4 n O m CO m m m O O .--i � V1 V1 V1 V1 V1 V1 V1 7 7 7 7 7 N 7 7 7 V1 V1 V1 N V1 N O N V1 .-I O M V1 CO N V1 M O O M 7 tD N UN .--I 1� O M N M .--I 7 CO N .--I 7 V1 tD 7 .--I 7 0 C CO CO .ti CO M m m .--� m m m .--� .--� m 7 m O CO CO Ql CO O 7 M M M O (i tD � QN C6 O I� Ql O / M 6 tD 1� n l CO 1l n n CO Q W c0 c0 m m N tD O 7 O c� G O O CL N it U) 5 M C O U N U) N U) O U ('y) UOIIBne13 O co co n N N N v v Q Q c c m m m m -.d ;z u N N O O N N i c T o. �a o 41 v af°.o o`iC v U a1 N _ f6 O C H c O Y .- N u dD .� O 00 7 m m N a v m C 7 C Y C O C O n O O m 0 N m N N w N W W J W C W O 0 O V) O V1 O 00 I� t0 N � vl N N N N N O 0 0 0 0 0 0 0 a 0 0 a 0 N rl O O (;;) uOl;eenal3 v 0 v 0 R O Y C m 0 3� ate`, " m m m m �- � w �� w � w 3� �- � w 0 0 a 0 0 0 0 10 O Y y 0 O Y C m 0 3 o m m o an m m x (:}) uoheenal3 C C Y C M C m M. h0 y (14) uol;eena13 v vo �o =o mo q (:}) uOi;eena13 0 0 0 0 0 0 0 0 m 0 v m o O � d M K � u N � 0 0 0 0 0 0 0 0 � o 3 c � � O N N � l7 0 N d � N � C a N � VI F � � Y m � i — o o o ki- 3 o o E ._ = m 'o u o = u m o== o 3 E -oo m° m o m m u � m 't m 3 o` a, _ 0 0 0 0 0 0 0 0 m 0 x o o ncnn o N N 0 fc9 Vccf C C O O O O O O O O cu a+ V N G1 O o 0- cc E v A a, y m5 jz z x o '� 3 3 0 o H CO ar x m p F. u o O O L O = m o== o 3 m 'o E m° a o m m o m u = t m 3 o` 0 0 0 0 0 0 0 0 o 4 0 o o ci 0 � o 0 ° o N o o 0 o 0 o 0 o 0 o 0 o 0 0 0 m a � c E o 3 'o H N 'a+ E v 7 0 N � d � in a C F � •� Y C VI � d Om0 U N x x x x° a°-, ° o r z z > u t u o u = m'o _ m o o = 3 E �= m° a o m lu u 't 3 o` a, 0 0 0 0 0 0 0 0 0 0 o m p n ry o xLq N � o � p o o 0 0 o O o 0 0 aC+ U L � f0 � E a E c x V> f0 � w f0 y - y p N o d cn 7 w a c - TH 'y � 3 3 0 0 E uo m = ar C x m p = m u u _ ° = ° t m'o -o 0 u m o o = 3 E wo= m° a o m m ° m u 't m 3 o` a, N N N N N N N N _ c-I C71 N O cM-I O c O O M in n W O O in N O O .--i ti in ti n O ONO O p O O Ln N T •� � a E c x E ° 3 to Ln ao m G M O ti N CC m w rj p E O y fC m c0 N x O ti n m 00 N N m m c-I H d i C H — Y c N M i Co U o 0 0— c 'O E a s p Q s a aci won w '� bOn fa 'G 0 Z m 0 u c c 7 C N N C N -O_ N — aJ — U 2 mo m O OY 7 Y c W Oc C NO Y Q N a] m 2 C N mai VI m U 7 Y C £ N u _ � a] m N a] cL a] cx G T C 0 al w w K c-I c-I c-I c-I c-I c-I c-I c-I O O ^ tD N O O p cx C O p N O O O O O O O O O �+ V � O T •� ti ti N ti N ti N ti � a E a x E ° 2P 3 m Ln on m G i C T cy in m � ti cm -I cy in O E o y M a] ~ N (71 c� Ln 00 c-I c0 (71 m m y O O N .--, d i C H — Y c N m i m U o o O— c -a 'O a a s w co 'G 3 p Q a ai a � '� a 0 c m c N N C 0 2 '6 om u c in N 7 Y O ai 2 O s -O_ Y N U O L p s U m O OY 7 Y r Ln c W Oc C NO Y tl N m C N m VI m U 7 Y C £ N ai u _ � a] m N c a] cx G T C 0 al w w K o - - J - - § - d o § [ @ § $ [ {; \-§ _ )_ «$§ \\\\ :4;!!; - �.°(o ! \ M- . y �- [ ( ( ƒ k - - ` \ \\ - ;g o _ \§a\§;m\�\ lo ci-i �13o > \\\\\\�\ - �o \ \ \ \ \ \\\\\\\\� ..; _ !7}! U. i7§§7E \ \ \ \o \\\\j\ \\ > > > y $§((§§$So }�\]}/7\ ( ( ( ( > > > > \oico \C) m. \\��\\ \��o ��\\ ��\\ Appendix D: Hydrologic Data Flow Gauge Diagrams Crest Gauge Diagram Photos: Wetland Gauge and Surface Water Gauge Photos Z N W Oil 0 LU LL J OLL LL zFY O H N O Iz O H N 0) co 0 O Iz O ^ N 00 I Q O N 00 0 M N �$ O ' LU C M N � O (n L O rQ II II II V .) IL I2 IL N 0 � 0 0 � 0 J O — O LL LL LL LL z ,n 3:w O„ 0L LL J OLL LL Z O (C) ry N it LU CD D Q C� O LL N 0) co 0 4- 0 O_ O LO of Q a� 0 rn O N 1 2) LO U) CF) M .4 O 75 Q W ry H O W J Q O U ''w^ Cl)'VJJ Cl) V) ry U w C� Q H C/) co w r U II w H O= n Ow ry � U (n 0 U) U) IZ ry F- LU c� Q c� Y ry O U IJ J III Y � o z w �Im 0 tg'g = Hld�M 2JOSN�IS N 0 LO 00 LO LO I I a� 0 a� w m C14 3 :3 0 C r C: C: X, tto _0 t-A MA It I.... C.4 '. ia YJ m • on r. on It D Y3.D _0 _0 41 Appendix E: Project Timeline and Contact Info . . m � & � 2 � � 5 � \ � 2 § $ & ± t E 2 E \ \ 2 2 \ _ E ° 2 ) 2 z \ % o e B t } E \ 2 § ECC E \ f � \ u .§ � , / � / � _ E ± § ) / { . @ � g 'Z 3 U 7 \ \ E — \ 2 > \ 5 ' ƒ ® ® @ \ 9 o * / 2 - � \ 0 E \ \ \ J / 3 .§ z ru ru cc� 2 ju x 7 2 % \ Lr) G % 5 m \ \7 � 3 .§ z ru = 2 0 LL x @ o \ � G » \ m u% \ uo E m $ V)%r*4 •� k / 3 e Ln � u 2 \ / _ » « . E / E \ j 3 / u % k u u a = 0 7 Q y o ac .§ = o @ o @ g CL �0 §�§\, \ Q w ) \ k / ) Lon 2 \ o ® = = ° § \ k % _ § % _ CL 2 u I ® M k ® UM / / m = m k k § c 0/ � E a \ \ a a Appendix F: Other Data Macrobenthos Sampling Data Macrobenthic Sampling Data MS-112 - Buffalo Creek Mitigation Site Monitoring Year MYO Biotic Index Score 6.83 Water Quality Level Fair View Upstream View Downstream IL Buffalo Creek Tributaries Taxa / Biotic Index Value 020 EPHEMEROPTERA Family Baetidae Baetis intercalaris (5.0) Family Heptageniidae Maccaffertium modestum (5.7) R TRICHOPTERA Family Hydropsychidae Cheumatopsyche spp (6.6) A Hydropsyche betteni (7.9) A Family Philopotamidae Chimarra spp (3.3) R MISC DIPTERA Family Ptychopteridae Bittacomorpha spp Family Tipulidae Tipula spp (7.5) COLEOPTERA Family Elmidae Macronychus glabratus (4.7) R ODONATA Family Aeshnidae Boyeria vinosa (5.6) R Family Calopterygidae Calopteryx spp (7.5) C Family Coenagrionidae Enallagma sp (8.5) Ischnura spp (9.5) Family Corduliidae Neurocordulia spp (5.3) Family Cord ulegastridae Cordulegaster spp (5.7) C Family Gomphidae Progomphus (8.2) Family Libellulidae Eurythemis simplicicollis OLIGOCHAETA Family Naididae Pristina spp (7.7) R Spirosperma nicolskyi (6.0) Stylaria lacustris (8.4) MEGALOPTERA Family Corydalidae Nigronia serricornis (4.6) C CRUSTACEA Family Asellidae Caecidotea spp (8.4) Other Arthropods Daphnia Copepoda MOLLUSCA Family Ancylidae Laevapex spp (6.6) Family Lymnaeidae Pseudosuccinea columella (7.7) Total Taxa Richness 10 EPT Taxa Richness 4 EPT Abundance 22 Biotic Index 6.83 Appendix C — Benthos Collection Card BE\i'HOS COLLECTION URD DATE lY 7 COLLECTTLIIE U� COLLECTORS �/ f r0 l CARD? 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O y N ❑ 0 Nto y O o 'C N ^ rUii „m y C o ' � �' a •p W q �' .D N ii � 'o y 0 p 0 e3 0es o In i •� 0 • Vl °wa V7 Vl y az° f�/1 Q� zrn c A4 Q Aq 0 V1 y U O G 'S a d O U m al o Ca .0 aria c 0L) C at cu U cc cc y L � O .ter V •C 600 4� Cr �1 00 �+3�•+ 0 G G C cd m En c V v�r�cnv7T QGCUGW 0 v W 2 � � k 2 t � ca § dA Q � tm � M G,qr en r4 *nN- nr4-c_ $ 7 / 0 ba � �tnN �nN- mq_o � 2 » q ID#* 20180199 Version* 2 Select Reviewer:* Erin Davis Initial Review Completed Date 08/09/2021 Mitigation Project Submittal - 8/9/2021 Is this a Prospectus, Technical Proposal or a New Site?* O Yes a No Type of Mitigation Project:* rJ Stream rJ Wetlands [Buffer ❑ Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Lindsay Crocker Project Information .................................................................................................................................................................. ID#:* 20180199 Existing IDI Project Type: F DMS r Mitigation Bank Project Name: Buffalo Creek Tributaries County: Johnston Document Information Email Address:* lindsay.crocker@ncdenr.gov Version: *2 Existing Version Mitigation Document Type:* Mitigation As -Built Plans File Upload: BuffaloCreekTributaries_100042_MYO_2021.pdf 13.83MB Rease upload only one PDF of the corrplete file that needs to be subrritted... Signature Print Name:* Lindsay Crocker Signature:*