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HomeMy WebLinkAbout20190049 Ver 1_CarpenterBottom_100090_MY1_2022_20230201ID#* 20190049 Select Reviewer: Ryan Hamilton Initial Review Completed Date 02/01/2023 Mitigation Project Submittal - 2/1/2023 Version* 1 Is this a Prospectus, Technical Proposal or a New Site?* Type of Mitigation Project:* Stream Wetlands Buffer Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Matthew Reid Project Information ID#:* 20190049 Existing ID# Project Type: • DMS Mitigation Bank Project Name: Carpenter Bottom Mitigation Site County: Gaston Document Information O Yes O No Email Address:* matthew.reid@ncdenr.gov Version:* 1 Existing Version Mitigation Document Type:* Mitigation Monitoring Report File Upload: CarpenterBottom_100090_MY1_2022.pdf 41.22MB Please upload only one PDF of the complete file that needs to be submitted... Signature Print Name:* Matthew Reid Signature: * MONITORING YEAR 1 ANNUAL REPORT FINAL CARPENTER BOTTOM MITIGATION SITE Gaston County, NC Catawba River Basin HUC 03050102 (03050103 Expanded Service Area) January 2023 DMS Project No. 100090 NC DEQ Contract No. 7731 DMS RFQ No. 16-007133-CT03 Date of Issue: April 24, 2017 USACE Action ID No. SAW-2018-02062 DWR Project No. 2019-0049 Data Collection Dates: March — November 2022 PREPARED FOR: NC Department of Environmental Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 PREPARED BY: w WILDLANDS E N G I N EER I N G Wildlands Engineering, Inc. 1430 S. Mint Street, Suite 104 Charlotte, NC 28203 Phone: 704.332.7754 Fax: 704.332.3306 ktr4 WILDLANDS E N G I N E E R I N G January 27, 2023 Mr. Matthew Reid Project Manager NCDEQ— Division of Mitigation Services 5 Ravenscroft Drive, Suite 102 Asheville, NC 28801 RE: Carpenter Bottom Draft MYO Report Review Catawba River Basin - HUC 03050102 (03050103 Expanded Service Area) Gaston County DMS Project ID No. 100090 Contract #7731 Dear Mr. Reid: Wildlands Engineering, Inc. (Wildlands) has reviewed the Division of Mitigation Services (DMS) comments from the Draft Year 1 Monitoring Report for the Carpenter Bottom Mitigation Site that were received on January 3, 2023. The report has been updated to reflect those comments. The Final MY1 Report is included. DMS' comments are listed below in bold. Wildlands' responses to DMS' comments are noted in italics. DMS' Comment: Title Page: HUC is incorrectly shown on draft. Please update to how it is shown on the Mitigation Plan and MYO final reports: HUC 03050102 (03050103 Expanded Service Area) Wildlands' response: The HUC was updated to correctly match the mitigation plan and MYO final reports. DMS' Comment: In an effort to identify and resolve property issues, please verify the conservation easement has been inspected, marking is up to date, fencing is intact, and no encroachments have been identified. Wildlands' response: A site walk was conducted in November to identify any easement and/or encroachments issues. No issues were found, and all easement signs/markings are intact. DMS' Comment: Please change RFP to RFQ. This projected was a small needs contract and not contracted under the Full Delivery RFP method. Wildlands' response: RFP was changed to RFQ throughout the report and appendices. DMS' Comment: 2.5 Stream Hydrology Assessment: Recommend specifying CGS when discussing the gage that was replaced on Carpenter Branch since two gages are installed on this reach. Wildlands' response: CG5 is the correct crest gage that was replaced during MY1. This clarification has been updated in the report. Wildlands Engineering, Inc. • phone 704-332-7754 • fax 704-332-3306 • 1430 S. Mint Street, # 104 • Charlotte, NC 28203 WILDLANDS ENGINEERING DMS' Comment: 2.5 Stream Hydrology Assessment: Consecutive number of baseflow days are included for Carpenter Branch R1 and UT3. Recommend including the baseflow consecutive days when discussing UT1 and UT2 (3 and 21 respectively). Wildlands' response: The consecutive number of days of baseflow of 3 days for UT1 (SG2) and 21 days for UT2 (SG3) has been included in Section 2.5. DMS' Comment: If available, can WEI include photos of the three Stream Gauges and one Crest Gauge in the gage photograph section? Three days of consecutive flow for UT1 is concerning and questions regarding the location and installation of the gages may be alleviated by including pictures. Wildlands' response: A photolog with the stream and crest gages has been included in Appendix A. Individual photos of the gages has also been added to the digital submittal data. DMS' Comment: 2.6 Wetland Hydrology Assessment: Section states that GWG 6, 8 and 9 failed to meet success criteria with a range of 8-14 consecutive days. Groundwater gage plots show 14, 8 and 15 days respectively. Please review and revise as necessary. Wildlands' response: The number of consecutive days meeting the success criteria for GWG 6, 8, and 9 has been updated to correctly reflect groundwater gage plot data. Digital Deliverable Comments The submission is missing the following required component. Please submit with the final deliverables. • Vegetation plot data • Visual vegetation table and spatial file for the invasive areas of concern identified in the table in the report. • All photo points included in the report. Wildlands' response: The vegetation plot data, the visual vegetation data and spatial file for the invasive areas of concern, and all photo points are included in the report. As requested, Wildlands has included two (2) hard copies of the final report and a full final electronic submittal of the support files on USB. A copy of our responses to the DMS' comment letter has been included inside the cover of the report, as well. Please let me know if you have any questions. Sincerely, refs Kristi Suggs Senior Environmental Scientist ksuggs@wildlandseng.com Wildlands Engineering, Inc. • phone 704-332-7754 • fax 704-332-3306 • 1430 S. Mint Street, # 104 • Charlotte, NC 28203 CARPENTER BOTTOM MITIGATION SITE Monitoring Year 1 Annual Report TABLE OF CONTENTS Section 1: PROJECT OVERVIEW........................................................................................................1-1 1.1 Project Quantities and Credits...................................................................................................1-1 1.2 Project Goals and Objectives.....................................................................................................1-1 1.3 Project Attributes.......................................................................................................................1-1 Section 2: Monitoring Year 1 Data Assessment................................................................................ 2-1 2.1 Vegetative Assessment.............................................................................................................. 2-1 2.2 Vegetation Areas of Concern and Management Activities........................................................2-1 2.3 Stream Assessment....................................................................................................................2-1 2.4 Stream Areas of Concern...........................................................................................................2-1 2.5 Stream Hydrology Assessment..................................................................................................2-2 2.6 Wetland Hydrology Assessment................................................................................................2-2 2.7 Monitoring Year 1 Summary......................................................................................................2-3 Section3: REFERENCES.................................................................................................................... 3-1 TARI PC, Table 1. Mitigation Assets and Components.............................................................................................1-2 Table 2: Goals, Performance Criteria, and Functional Improvements......................................................1-3 Table 3: Project Attributes.........................................................................................................................1-5 FIGURES Figure 1 Current Condition Plan View (Key) Figure la-b Current Condition Plan View APPENDICES Appendix A Visual Assessment Data Table 4a-c Visual Stream Morphology Stability Assessment Table Table 5 Vegetation Condition Assessment Table Stream Photographs Vegetation Plot Photographs Groundwater Gage Photographs Floodplain Pool Photographs Stream Gage Photographs Appendix B Vegetation Plot Data Table 6a-b Vegetation Plot Data Table 7 Vegetation Performance Standards Summary Table Appendix C Stream Geomorphology Data Cross -Section Plots Table 8a-b Baseline Stream Data Summary Table 9 Cross -Section Morphology Monitoring Summary Appendix D Hydrology Data Table 10 Bankfull Events Carpenter Bottom Mitigation Site Monitoring Year 1 Annual Report - FINAL Table 11 Rainfall Summary Table 12 Wetland Gauge Summary Table 13 Recorded In -Stream Flow Events Summary Recorded In -Stream Flow Events Plots Groundwater Gage Plots Appendix E Project Timeline and Contact Info Table 14 Project Activity and Reporting History Table 15 Project Contact Table Appendix F Additional Documentation Wildlands' Response to DMS Comments for the Draft MYO Report (May 27, 2022) Wildlands' Response to IRT Comments for the MYO Report & Notice of Initial Credit Release (July 26, 2022) Carpenter Bottom Mitigation Site Monitoring Year 1 Annual Report - FINAL Section 1: PROJECT OVERVIEW The Carpenter Bottom Mitigation Site (Site) is located in Gaston County, NC approximately 4.1 miles south of the City of Lincolnton and just south of the Gaston County/Lincoln County border. The Site drains to Beaverdam Creek, which drains to the Catawba River. The Site is located within the South Fork Catawba River (High Shoals) WS-IV water supply watershed and is located just outside the Indian Creek Targeted Local Watershed (TLW). Table 3 presents information related to the project attributes. 1.1 Project Quantities and Credits Mitigation work within the Site included the restoration and enhancement of perennial and intermittent stream channels and the rehabilitation and re-establishment of historically altered wetlands. Table 1 below shows stream and wetland credits by reach and the total amount of credits expected at closeout. -L.2 Project Goals and Objectives The project is intended to provide numerous ecological benefits. Table 2 below describes expected outcomes to water quality and ecological processes and provides project goals and objectives. 1.3 Project Attributes The project includes the headwaters of a tributary to Beaverdam Creek and occurs on adjacent properties that have a history of agricultural use. The Site has been ditched and maintained as an active cattle and hay pasture as far back as 1950; however, a small, forested area within the proposed wetland restoration area was allowed to reforest starting around 1973. In 2014, approximately 2.4 acres was deforested to provide additional pasture. Table 3 below and Table 8 in Appendix C present additional information on pre -restoration conditions. 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C .Q E �' C •Q E UI m .L mc C aC) V C a) N m .L m E a) y E a) m e 0 \ v V m e O. 0 \ -0 v V y i C A;C > y a C v C> Y _o Q co N ,n m O a) m y O m a) ,n O m c aYi c `J m n Yo ° v tm a)v _0 v m n Yo ° ° tm am _ m y, -0 O > am m O. .L _ y, -0 O > a) H Q UD) V u 2 O V 'pp a) H O 0 V) V u = C u O •10 c ai �= O 'co Oo C m O- C N O 20 Y Q • V Y71•— T N aj m V -Q N T N VI 0 0 V0) OC L � � L O VI 0 V) OC L Section 2: Monitoring Year 1 Data Assessment Annual monitoring and site visits were conducted during Monitoring Year 1 (MY1) to assess the condition of the project. The vegetation, stream, and hydrologic success criteria for the Site follow the approved success criteria presented in the Mitigation Plan (Wildlands, 2020), the performance criteria are located in Section 1.2 Tables 3a-b: Goals, Performance Criteria, and Functional Improvements. Methodology for annual monitoring is presented in the MYO Annual Report (Wildlands, 2022). 2.1 Vegetative Assessment The MY1 vegetative survey was completed in August 2022. Vegetation monitoring resulted in a stem density range of 364 to 567 planted stems per acre. All thirteen vegetation plots are meeting the interim requirement of 320 stems per acre required at MY3. The locations of the mobile plots did not change from MYO to better capture the survival rate of the planted stems. Beginning in MY2, the four mobile plots will move to a new location every year to capture a random sampling of the Site; some of these plots will be relocated to capture portions of the wetland rehabilitation areas, as requested by the NC Interagency Review Team (IRT) as part of their comments from the MYO Baseline Report (Appendix F). Herbaceous vegetation is also abundant across the Site and includes native pollinator species indicating a healthy riparian habitat. The riparian habitat is helping to reduce nutrient runoff from the agricultural fields outside the easement and stabilize the stream banks. Refer to Appendix A for Vegetation Plot Photographs and the Vegetation Condition Assessment Table and Appendix B for Vegetation Plot Data. 2.2 Vegetation Areas of Concern and Management Activities The MY1 assessment indicated that the surviving stems are at a density above the MY3 interim criteria. The visual assessment across the Site found that the herbaceous cover is also well established throughout the floodplain. A Site walk was conducted in November 2022 to assess the easement boundary. No issues of encroachment were found, and all easement signs/markings were intact. Hardy orange (Citrus trifoliate) and Chinese privet (Ligustrum sinense) were treated prior to completion of the project. There are some small areas of resprouts that will continue to be monitored. There is one area of C. trifoliate in the northwest portion of the project that is 0.16 acres in size; at 1% of the Site's acreage, it is only a minor concern. Nevertheless, hardy orange and Chinese privet were treated in July and November 2022. Depending on the treatment's effectiveness, additional chemical treatments may be needed in the following years. Small areas of in -stream vegetation (Ludwigia palustris and Murdannia keisak) were also treated in July of 2022. Ninety-nine percent of the Site is free of invasive species and shows strong vegetative growth. Wildlands will continue to monitor for the reemergence of any invasive populations which threaten the success of the project. 2.3 Stream Assessment Morphological surveys for MY1 were conducted in August of 2022. All streams within the Site are stable and functioning as designed. All 14 cross -sections at the Site show little to no change in the bankfull areas and the width -to -depth ratios, entrenchment ratios (ERs), and the bank height ratios (BHRs) are less than 1.2. As discussed in the MYO report (Wildlands, 2022), pebble count data is no longer required; therefore, it is not included in this report. Refer to Appendix A for the Visual Stream Morphology Stability Assessment Table and Stream Photographs and Appendix C for Stream Geomorphology Data. 2.4 Stream Areas of Concern A site assessment last conducted in November 2022 found that there were no stream areas of concern across the project. The banks all appear stable and are well covered by newly established vegetation. WCarpenter Bottom Mitigation Site Monitoring Year 1 Annual Report - FINAL 2-1 2.5 Stream Hydrology Assessment In MY1, bankfull events were recorded on UT1 and UT2. Carpenter Branch and UT3 did not record a bankfull event and there were no visual indicators of bankfull events occurring on these reaches. The automated crest gage (CG #5) on Carpenter Branch was replaced in May 2022. The new probe is working, and data was successfully downloaded in September 2022. While only two channels had a bankfull event in MY1, it is expected that the hydrologic success criteria for bankfull events will be met for all streams. In addition, the presence of baseflow must be documented on intermittent or low flow reaches (Carpenter Branch Reach 1, UT1, UT2, and UT3) for a minimum of 30 consecutive days during a normal precipitation year. Carpenter Branch Reach 1 and UT3 maintained baseflow for 103 and 100 consecutive days, respectively; however, UT1 and UT2 did not meet the minimum requirement in MY1 with 3 and 21 days, respectively. It is expected that baseflow duration will increase as rainfall restores groundwater levels. The stream gage on UT1 showed several water level spikes from January 12-31, 2022. These readings do not appear to correspond with rainfall events, but there is a correlation between the spikes and freezing temperatures. Wildlands previously contacted In -Situ on 11/18/2021 to confirm the findings. Based on the discussion with In -situ, it is likely that these are the result of ice forming on the probes leading the false pressure readings during these times (Haynes 2021). Therefore, the spikes during these times are not counted towards a bankfull event. The stream gages' calibrations were checked in November 2022 and were functioning correctly. The NC IRT expressed concern in the MYO report comments (Appendix F) about whether the riffles were constructed too high to allow the streams to function. However, riffle height is not a concern. The photo point log shows water in most of Carpenter Branch. Water staining on the riffle material is evident as you move downstream. Standing water is shown in the November photos of UT3 and it met the 30-day consecutive flow criteria for an intermittent channel. While UT1 and UT2 were dry during the summer and did not meet the flow criteria for the year, it is expected that they will recharge with the winter rains as the groundwater level rises. This is supported by the stream and gage photos, PP9A and PP10 and SG2 and SG3 respectively, which were retaken in November and show more water in the channel. Photologs are included Appendix A, and hydrology data is presented in Appendix D. 2.6 Wetland Hydrology Assessment Eleven groundwater gages (GWG) were initially installed during baseline monitoring to record the groundwater level across the Site. Out of the eleven gages, eight met the success criteria in MY1 (GWG1, 2, 3, 4, 5, 7, 10, and 11) for 34-59 consecutive days of the growing season. Three gages (GWG 6, 8, and 9) did not meet the success criteria this year with 14, 8, and 15 consecutive days of the growing season, respectively. It is expected that all gages will be meeting the criteria over time as groundwater continues to recharge across the site. Annual inspections of the bentonite seals around the groundwater gages are a regular part of Wildlands' protocol; bentonite was added in 2022 to the seals around GWG 6, 10, and 11, and is visible in the groundwater gage photolog. Refer to Appendix D Table 12 for the wetland hydrology data. The NC IRT expressed concern in the MYO report comments that the floodplain pools are too deep to dry seasonally and will prevent herbaceous and woody vegetation establishment (Appendix F). The floodplain pools were designed with a maximum depth of 2.0 feet and were intended to draw down seasonally. When the site was assessed on September 1, 2022, floodplain pool 1 was greatly reduced in size and had only a small area of standing water approximately 0.5 feet deep, and the others were dry. All of the floodplain pools are covered with herbaceous vegetation; with an average width of Carpenter Bottom Mitigation Site Monitoring Year 1 Annual Report - FINAL 2-2 approximately 27-feet, they are small enough that the targeted forest community can easily provide a closed canopy over these areas. Additionally, floodplain pools 3 and 4 were delineated as Wetlands D and B, respectively, and were protected during construction; the vegetative and hydrologic conditions of these two pools should not pose a concern —even if they were to have some surface water —as their hydrologic functionality and their vegetation communities are assumed to be comparable to the existing conditions. Refer to the CCPV figures for the locations of the floodplain pools. A photo log is included in Appendix A to show the conditions of each of these pools, but because they do not pose a concern, the photo log will not be included in subsequent monitoring years. 2.7 Monitoring Year 1 Summary All 13 vegetation plots are exceeding the MY3 interim requirement of 320 planted stems per acre. All streams across the Site are stable and the cross sections show little dimensional change since the as - built survey. UT1 and UT2 exhibited at least one bankfull event and are on track to meet the bankfull hydrologic criteria but did not meet the minimum baseflow criteria. However, UT3 and Carpenter Bottom Reach 1 met baseflow criteria in MY1, but neither experienced a bankfull event in MY1. Eight of the eleven groundwater gages met or exceeded the hydrologic success criteria for MY1. Invasive species were treated prior to construction of the project and will continue to be monitored as there are small patches of Chinese privet and hardy orange that have reappeared. Overall, the Site is on track to meet its goals and is preventing excess nutrients and sediment from entering the Catawba River tributaries. Summary information and data related to the performance of various project and monitoring elements can be found in the tables and figures in the report appendices. All raw data supporting the tables and figures in the appendices are available from DIMS upon request. WCarpenter Bottom Mitigation Site Monitoring Year 1 Annual Report - FINAL 2-3 Section 3: REFERENCES Applied Climate Information System (ACIS). 2022. AgACIS for Lincoln County: Lincolnton 4W. https://agacis.rcc-acis.org/?fi ps=37109. Doll, B.A., Grabow, G.L., Hall, K.A., Halley, J., Harman, W.A., Jennings, G.D., and Wise, D.E. 2003. Stream Restoration: A Natural Channel Design Handbook. NC Stream Restoration Institute, NC State University. Harrelson, C.C., Rawlins, C.L., Potyondy, J.P. 1994. Stream Channel Reference Sites: An Illustrated Guide to Field Technique. Gen. Tech. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 61 p. Haynes, Kaylie. In -situ technical support specialist. Phone conversation. 18 November 2021. North Carolina Division of Mitigation Services (NC DMS). 2007. Catawba River Basin Restoration Priorities. Raleigh, NC. NC DIMS. 2017. DMS Annual Monitoring Report Format, Data Requirements, and Content Guidance. June 2017, Raleigh, NC. NC DMS. 2020. Vegetation Data Entry Tool and Vegetation Plot Data Table. Raleigh, NC. https://ncdms.shinyapps.io/Veg Table Tool/ North Carolina Division of Water Quality (NC DWQ). 2010. Catawba River Basinwide Water Quality Plan. NC Division of Environmental Quality (NC DEQ). 2015. Surface Water Classifications. https://deg.nc.gov/about/divisions/water-resources/water-planning/classification- standards/classifications. NC Interagency Review Team (NC IRT). 2016. Wilmington District Stream and Wetland Compensatory Mitigation Update; October 24, 2016. Accessed at: https://saw- reg.usace.army.mil/PN/2016/Wilmington-District-Mitigation-Update.pdf Rosgen, D.L. 1994. A Classification of Natural Rivers. Catena 22:169-199. Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books. Simon, A. 1989. A model of channel response in disturbed alluvial channels. Earth Surface Processes and Landforms 14(1):11-26. United States Army Corps of Engineers (USACE). 2003. Stream Mitigation Guidelines. USACE, NCDENR- DWQ, USEPA, NCWRC. USACE. 2005. Technical Standard for Water -Table Monitoring of Potential Wetland Sites. ERDC TN- W RAP-05-2. Wildlands Engineering, Inc. (Wildlands). 2020. Carpenter Bottom Mitigation Site: Mitigation Plan. DMS, Raleigh, NC. Wildlands. 2022. Carpenter Bottom Mitigation Site: Monitoring Year 0 Annual Report — Final. DIMS, Raleigh, NC. WCarpenter Bottom Mitigation Site Monitoring Year 1 Annual Report - FINAL 3-1 FIGURES Figure 1. Current itton Plan View'Key, W I L D L A N D S 0 250 500 Feet I}�Jj Carpenterer Bottom Mitigation Site ENGINEERING I I I I I DMS Project Na. 100090 Environmearal Monitoring Year 1 - 2022 Quality Gaston County, NC 1W [_•_I Conservation Easement 0 Project Parcels Wetland Re-establishment Wetland Rehabilitation Existing Wetlands ] Structures Vegetation Plot Conditions - MY1 0 Criteria Met (Permanent) Criteria Met (Mobile) Vegetation Areas of Concern - MY1 Hardy Orange Restoration + Non -Project Streams X — Fence ---- Top of Bank Cross Sections (XS) Topographic Contours (2') Photo Points (PP) Stream Gage (SG) Barotroll Soil Gage Groundwater Gage (GWG) - MY1 + Criteria Met + Criteria Not Met VP2 VP4 am .vr�Ll land K �l:'a I; , Wetland L�\ .,�' .�Amok Wetland G ., VP7 J \ Weiland F\ v� I ' 1� MP3 Y kWILDLANDS ENGINEERING Environmental Quality / 4- Figure 1a, Current Condition Plan View 0 100 200 Feet Carpenter Bottom Mitigation Site I I I DMS Project No. 100090 Monitoring Year 1 - 2022 Gaston County, NC I L_._I Conservation Easement Q Project Parcels ® Existing Wetlands %/ Internal Crossing 0 Structures Vegetation Plot Conditions - MY1 = Criteria Met (Permanent) _ Criteria Met (Mobile) Restoration Enhancement III No Credit -- As -Built Alignment Deviation BMP — Non -Project Streams x — Fence ---- Top of Bank — Cross Sections (XS) Topographic Contours (2') 0 Photo Points (PP) 0 Reach Breaks Stream Gage (SG) Crest Gage (CG) Streams selection - Deviation for visual only Approach -- As -Built Alignment Deviation N.WILDLANDS ENGINEERING Environmental Quality 100 r Figure 1b. Current Condition Plan View 0 200 Feet Carpenter Bottom Mitigation Site 0 10 Ili I 2 DMS Project No. 100090 Monitoring Year 1 - 2022 Gaston County, NC APPENDIX A. Visual Assessment Data Table 4a. Visual Stream Morphology Stability Assessment Table Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 Carpenter Branch Reach 1 Date Last Assessed:11/16/2022 Number Tota I Amount of Major Channel Category Metric Stable, Number in Unstable 11 Performing As -built Footage d1i as Intended Assessed Stream Length % Stable, Performing as Intended 2,243 Assessed Bank Length 4,486 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion modest, appear sustainable and are providing 0 100% habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Tota Is: 0 100% Grade control structures exhibiting maintenance of Grade Control 31 31 100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 45 45 100% influence does not exceed 15%. UT1 Date Last Assessed: 11/16/2022 Number Tota I Amount of Major Channel Category Metric Stable, Number in Unstable Performing As -built Footage 11 as Intended Assessed Stream Length % Stable, Performing as Intended 175 Assessed Bank Length 350 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Tota Is: 0 100% Grade control structures exhibiting maintenance of Grade Control 6 6 100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 6 6 100% influence does not exceed 15%. Table 4b. Visual Stream Morphology Stability Assessment Table Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 UT2 Date Last Assessed: 11/16/2022 Number Tota I Amount of Major Channel Category Metric Stable, Number in Unstable 11 Performing As -built Footage d1i as Intended Assessed Stream Length % Stable, Performing as Intended 178 Assessed Bank Length 356 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion modest, appear sustainable and are providing 0 100% habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Tota Is: 0 100% Grade control structures exhibiting maintenance of Grade Control 4 4 100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 5 5 100% influence does not exceed 15%. UT3 Date Last Assessed: 11/16/2022 Number Tota I Amount of Major Channel Category Metric Stable, Number in Unstable Performing As -built Footage 11 as Intended Assessed Stream Length % Stable, Performing as Intended 385 Assessed Bank Length 770 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion 0 100% modest, appear sustainable and are providing habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Tota Is: 0 100% Grade control structures exhibiting maintenance of Grade Control 9 9 100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 12 12 100% influence does not exceed 15%. Table 4c. Visual Stream Morphology Stability Assessment Table Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 UT3 Date Last Assessed: 11/16/2022 Number Tota I Amount of Major Channel Category Metric Stable, Number in Unstable 11 Performing As -built Footage d1i as Intended Assessed Stream Length % Stable, Performing as Intended 36 Assessed Bank Length 72 Surface Scour/ Bank lacking vegetative cover resulting simply from Bare Bank poor growth and/or surface scour. 0 100% Bank toe eroding to the extent that bank failure appears likely. Does NOT include undercuts that are Bank Toe Erosion modest, appear sustainable and are providing 0 100% habitat. Fluvial and geotechnical - rotational, slumping, Bank Failure 0 100% calving, or collapse. Totals: 0 100% Grade control structures exhibiting maintenance of Grade Control 1 1 100% grade across the sill. Structure Bank erosion within the structures extent of Bank Protection 0 0 N/A influence does not exceed 15%. Table 5. Vegetation Condition Assessment Table Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1 - 2022 Date Last Assessed: 11/16/2022 Planted Acreage 15.94 regetation 7ategolW Mapping Definitions Threshold Combined Acreage % of Planted Acreage Bare Areas Very limited cover of both woody and herbaceous material. 0.10 0 0% Low Stem Density Woody stem densities clearly below target levels based on current MY stem count 0.10 0 0% Areas criteria. Total 0 0% Areas of Poor Growth Planted areas where average height is not meeting current MY Performance 0.10 0 0% Rates Standard. Cumulative Total 0.0 0% Easement Acreage 18.00 Invasives may occur outside of planted areas and within the easement and will Invasive Areas of therefore be calculated against the total easement acreage. Include species with Concern the potential to directly outcompete native, young, woody stems in the short-term 0.10 0.16 1% or community structure for existing communities. Invasive species included in summation above should be identified in report summary. Encroachment may be point, line, or polygon. Encroachment to be mapped consists Easement of any violation of restrictions specified in the conservation easement. Common 0 Encroachments Noted Encroachment Areas encroachments are mowing, cattle access, vehicular access. Encroachment has no none / 0 ac threshold value as will need to be addressed regardless of impact area. STREAM PHOTOGRAPHS PHOTO POINT 1- Carpenter Bottom R1- upstream PHOTO POINT 1- Carpenter Bottom R1- downstream (11/16/2022) (11/16/2022) PHOTO POINT 2 - Carpenter Bottom R1- upstream PHOTO POINT 2 - Carpenter Bottom R1- downstream (11/16/2022) (11/16/2022) PHOTO POINT 3 - Carpenter Bottom R1- upstream PHOTO POINT 3 - Carpenter Bottom R1- downstream (11/16/2022) (11/16/2022) Carpenter Bottom Mitigation Site Appendix A - Visual Assessment Data — Stream Photographs PHOTO POINT 3 - Carpenter Bottom R1- Floodplain Pool (8/31/2022) 1 PHOTO POINT 4 - Carpenter Bottom R1- upstream (8/31/2022) PHOTO POINT 4 - Carpenter Bottom R1- downstream (8/31/2022) PHOTO POINT 4A - Carpenter Bottom R1- upstream PHOTO POINT 4A - Carpenter Bottom R1- downstream (8/31/2022) (8/31/2022) Carpenter Bottom Mitigation Site Appendix A - Visual Assessment Data — Stream Photographs : ��-'�3�6'-a6� .. \t .�.. •vLe ��'�'�-�-.�.�:r�L fs.�Y _ir eft'�ar� F: d -�. ',Y,ui�. _.. r �J F': �.:} a. � t o.. � ak 1�•�t. $ } itj All 7 - C, x V,,. -.: & M4,7,7,,iaLek,. PHOTO POINT 10 - UT2 - upstream (11/16/2022) 1 PHOTO POINT 10 - UT2 - downstream (11/16/2022) 1 PHOTO POINT 11- UT3 - upstream (11/16/2022) 1 PHOTO POINT 11- UT3 - downstream (11/16/2022) 1 PHOTO POINT 12 - UT4 - upstream (8/31/2022) I PHOTO POINT 12 - UT4 - downstream - (8/31/2022) I Carpenter Bottom Mitigation Site Appendix A - Visual Assessment Data — Stream Photographs VEGETATION PLOT PHOTOGRAPHS WCarpenter Bottom Mitigation Site Appendix A - Visual Assessment Data - Vegetation Plot Photographs PERMANENT VEG PLOT 7 (8/30/2022) 1 PERMANENT VEG PLOT 8 (8/31/2022) 1 PERMANENT VEG PLOT 9 (8/31/2022) 1 MOBILE VEG PLOT 1 (8/30/2022) I MOBILE VEG PLOT 2 (8/30/2022) I WCarpenter Bottom Mitigation Site Appendix A - Visual Assessment Data - Vegetation Plot Photographs Carpenter Bottom Mitigation Site Appendix A - Visual Assessment Data - Vegetation Plot Photographs GROUNDWATER GAGE PHOTOGRAPHS GROUNDWATER GAGE 1 (8/31/2022) 1 GROUNDWATER GAGE 2 (8/30/2022) 1 GROUNDWATER GAGE 3 (8/31/2022) 1 GROUNDWATER GAGE 4 (8/31/2022) 1 GROUNDWATER GAGE 5 (8/31/2022) 1 GROUNDWATER GAGE 6 (8/31/2022) 1 Carpenter Bottom Mitigation Site Appendix A -Visual Assessment Data -Groundwater Gage Photographs GROUNDWATER GAGE 7 (8/30/2022) 1 GROUNDWATER GAGE 8 (8/30/2022) 1 GROUNDWATER GAGE 9 (8/30/2022) 1 GROUNDWATER GAGE 10 (8/31/2022) 1 GROUNDWATER GAGE 11 (8/31/2022) 1 Carpenter Bottom Mitigation Site Appendix A -Visual Assessment Data -Groundwater Gage Photographs FLOODPLAIN POOL PHOTOGRAPHS FLOODPLAIN POOL 1 (FP1): FLOODPLAIN POOL 2 (FP2): Maximum water depth: 0.50 feet. Maximum water depth: 0.00 feet (i.e., dry). (8/31/2022) (8/31/2022) FLOODPLAIN POOL 3 (FP3): FLOODPLAIN POOL 4 (FP4): Maximum water depth: 0.00 feet (i.e., dry). Maximum water depth: 0.00 feet (i.e., dry). (8/31/2022) (8/31/2022) Carpenter Bottom Mitigation Site Appendix A - Visual Assessment Data — Floodplain Pool Photographs STREAM GAGE PHOTOGRAPHS STREAM GAGE 1 (11/16/2022) 1 STREAM GAGE 2 (11/16/2022) 1 STREAM GAGE 3 (11/16/2022) 1 STREAM GAGE 4 (11/16/2022) 1 CREST GAGE 5 (8/29/2022) 1 W Carpenter Bottom Mitigation Site Appendix A - Visual Assessment Data - Stream Gage Photographs APPENDIX B. 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R �I I I I N N � ri 0 � i N to o m c t I I v � t •own E � •on a i I N t a f0 Q aJ Q Q t m I I o c ai o -o — -o a •� a0+ O I rn •° v i t c t o v m v -6 m x -6 -o m v i. > ai ar m 3 x 3 E E 3 t 3 as ° cow m u — I 7 v N `~ lD Ol Ol O U rq c 6 O O O O O �6 0� O O f0 co7 ar ++ n r n r LL d N (1j) uOi;enal3 O u OJ N O .O O N 0 � o � a � o O N O o z } V m N bA G1 OJ � N O N d 0 N Q v) c u u o 2 0 0 v Q c 0 a 0 0 a` o 0 m � v L Y C f0 CO I � o ' m i� r, 0 J(M y Y 7 ei s V � N O O w O C •ia O O _ N OJ v O O O L w t cc N O f0 Q L Q O t N m ut C Y OJ O_ O_ .0 OJ L i' -O L C O -O OJ -O 7 -6 U C N O U U I O� +0+ O O OJ \ f0 N O x c -O O v m v o 0 3 m x 3 E E 3 t 3 a5i _0 co m \ o ° 3 u _ O o' m w- a m O m ° °u U cn vi O O ti O N lD O v c � p m i •v } 7 L V to d 'A u co In In m m N 3 o z �u Ln N s on V d O S fY ut O m O " — m w in L V c m i m Y W m E O C fC L i f0 W m Q L m Q N L G1 C O -O m -O D O t c -o i t \ i N m x -o vcli N m m x 3 E E 3 3 cow N u N _ 3 m m O N a m .� N U ar"iY cm -I c�-I c-I N c-I Ol N c � O co } W d N VI u o — Y f0 CO V N + � O c-i 0 1 O ri ti 0 rn } O N O n r n n (;j) 00 uoi;ena13 tD O � n n Cli § � � » . \ � d ! \ \ § @ -a , \ a ƒ u to 3 / - aj m _Qj | &/){ _ Qj ) )(\\x ~) [ / / § / E $ ± § \ \ u ^ j cF)c w \ a § _D _ � _ _ - 2 a a a 7 ' & G_m j m q 1 ! 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O m U O n limn vi O _O c v m >mMm In L (11) UO!Ienal3 aJ O N Q C ;X O A+ s � �d�2,y � ��•F `� y jj� O Ql o M L � a '4 3 o' N c m O N N M W '~ to v O C E v s _ a] O O N aJ _ aJ f0 N ut •� a] � C p N D aj w bA w -6 O . _� C a) C S= N O O- 2 s= ut O aj C O -6 — -6 -O U C N -6 N 6 7 N O c o v o 0 m— F > N v m 3 x 3 E E 3 t 3 aai cow a] N M I 7 m N m lD m m^ V1 n O U O Y N I, O O n O N Ln n .--� c - a] i OJ m tO O N(;j) Lo uOi;enal3 OJ O v Q c Y s U1 i C N O OJ C CO \ N Y C CO � N M 0000 ri _ O bA O CY w cli _ O N •� C N ut N N bA p -6 C O .� N w S= � C _ 2 S= ut O C O -6 °- — -6 -O N 6 7 N O .0 c OJ (a L O N o v o 0 m— F > F ai v° 3 x 3 E E 3 t 3 a°i cow 7 N CO lq O .--� to O V1 p p f0 N O �n co o .—i of o ti � .� ° co7 cli v ++ u � n n r LL d r, n n r N 'A(;j) uOi;ena13 O u Table 8a. Baseline Stream Data Summary Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 Parameter MONITORING CONDITIONSDESIGN • Carpenter Branch R1 Riffle Only Min I Max n Min I Max Min Max n Bankfull Width (ft) 10.2 1 7.5 9.2 12.2 6 Floodprone Width (ft) 14.2 1 17.0 1 26.0 44.4 68.1 6 Bankfull Mean Depth 0.7 1 0.6 0.5 0.8 6 Bankfull Max Depth 1.2 1 0.7 1 0.9 0.9 1.2 6 Bankfull Cross Sectional Area (ftz) 7.0 1 4.4 5.3 8.2 6 Width/Depth Ratio 14.9 1 12.5 14.4 22.7 6 Entrenchment Ratio 1.4 1 2.2 3.5 4.6 5.6 6 Bank Height Ratio 3.4 1 1 1.0 1.1 1.0 1 1.0 6 Max part size (mm) mobilized at bankfull 37 / 90 32 / 81 46 61 6 Rosgen Classification G4 C4 C4 Bankfull Discharge (cfs) 14.0 14.0 14.0 Sinuosity 1.1 1.2 1.2 Water Surface Slope (ft/ft)z 0.0130 0.0120 0.0109 Other -- -- -- Parameter UT1 Riffle Only Min I Max n Min I Max Min Max n Bankfull Width (ft) 3.1 1 5.0 8.0 1 Floodprone Width (ft) 4.2 1 11.0 1 18.0 55.5 1 Bankfull Mean Depth 0.6 1 0.4 0.3 1 Bankfull Max Depth 0.8 1 0.5 1 0.6 0.6 1 Bankfull Cross Sectional Area (ftz) 1.8 1 1.9 2.3 1 Width/Depth Ratio 5.2 1 12.5 27.6 1 Entrenchment Ratio 1.4 1 2.2 3.5 6.9 1 Bank Height Ratio 6.1 1 1.0 1.1 1.0 1 Max part size (mm) mobilized at bankfull -- -- 41 1 Rosgen Classification G4/5 C4 C4 Bankfull Discharge (cfs) 6.8 6.0 6.0 Sinuosity 1.1 1.3 1.2 Water Surface Slope (ft/ft)z 0.0258 0.0200 0.0153 Other -- -- -- 1. ER for the baseline/monitoring parameters are based on the width of the cross-section, in lieu of assuming the width across the floodplain. 2. Channel slope is calculated from the surface of the channel bed rather than water surface. ( --- ): Data was not provided, N/A: Not Applicable Table 8b. Baseline Stream Data Summary Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 Parameter CONDITIONS UT3 MONITORING Riffle Only Min I Max n Min I Max Min I Max n Bankfull Width (ft) 9.5 1 6.0 8.4 1 Floodprone Width (ft) N/A 1 13.0 1 21.0 52.6 1 Bankfull Mean Depth 0.3 1 0.5 0.6 1 Bankfull Max Depth 0.7 1 0.6 1 0.8 0.9 1 Bankfull Cross Sectional Area (ftz) 2.8 1 2.9 5.1 1 Width/Depth Ratio 31.9 1 12.0 14.0 1 Entrenchment Ratio N/A 1 2.2 3.5 6.2 1 Bank Height Ratio 1.3 1 1.0 1.1 1.0 1 Max part size (mm) mobilized at bankfull -- -- 48 1 Rosgen Classification G4/5 C4b C4b Bankfull Discharge (cfs) 6.2 8.0 8.0 Sinuosity 1.0 1.2 1.1 Water Surface Slope (ft/ft)z 0.0260 0.0230 0.0237 Other --- --- 1. ER for the baseline/monitoring parameters are based on the width of the cross-section, in lieu of assuming the width across the floodplain. 2. Channel slope is calculated from the surface of the channel bed rather than water surface. ( --- ): Data was not provided, N/A: Not Applicable § § § § 0 0 {� § § § 0 }� {� {0 0 § § § [ 0 0(jm\)32 0�§m)):; \�}:/§:c }�// § § § § � 00 0 0 } 0 \� 0 §� °§))a) 3§)m/}m; �\\ \\��\\ U. 00��\\ �10 00 APPENDIX D. Hydrology Data 2 a N O n } n N O �D } �D N O rIL } Z N O rIL N O rIL } M N O rIL } N N N N N N N N O O O O \ -- -- O C N C .N.. ro N O z O z m O O Z ti u t � U N N N t w R > > > m 0) C GJ O_ R c.� N � N C M Y O ^y E mm O N N Vf O m O L O O f6 f0 p Z } CO U to 4- O 'i O a cn c O H U O N O n } n N O �D } �D N O rIL } Z N O rIL N O rIL } M N O N N } N O 00 00 � N � L Q .0 N ate-+ }' ate-+ O a is Ctu ccn C a E O ~ (n u N u i O c � a LU a Z c Q m E E ) = In N C: GJ O N m W O N + p N 'a O m E o _ L }/ � iQ 0 O Z } m U top N N '� rl 4- GJ N O d t Q N C O H V 0 N O n n N O l0 N bA � N O m v C C aj U Ln �CC G1 C a O Q N O O N T Ln 2 � � v 7 w 0 O N U N CO CX C M N O N C� C 0 0 O >- o >- o >- o >- o > o LO >' o ° \ >' o >- o v M c-I 0 f0 � 0 f6 Ol 0 M l0 0 0 �n l0 0 (0 m n f6 -I 0 00 0 r1 .4 N oo c-I m M c-I rn Z c-I oo � c-I rn � .--I 0 co r- "-I O " N c} C Ln Q 0 I Ln N 3 c-I N M u1 1.0 I" co m rI c-I rI IN V 0 V1 N N N O N c-I c-I c-I N N O N V1 \ M O C O (O v N h0 C O u 3 O LL E 4J f6 N d C: N O Co 0 N oA N 0 N O ' E L O O M U � O CO U dA CM v O O w d & CLco O H U 0 N O n n N O l0 t0 'L N 'i l0 U NO y�j N Ln U � C� C dA C 0) C0) C � N O � 0 O H m 0 �+ N N c�i � M U X m N O N (14 N p 0 0 0 0 0 (Y1 fV 0 `1 C, m r j -1 m c) 0 r-i u U `L° N cv m s m v L U ri (V ly) a v D D D co U � N > O N U U OJ o U L 0 OO M = N 2 � y y v U N N p N U aj U m U m Ln m U (ul) uollelldl:)aJd N O .ti ti W t0 � N O Ln M N .--I O a, n n n n n n ID r, (4) uollena13 (ul) uollelldl:)aJd N O .ti ti W t0 � N O -;t M N .--I O a, 00 �o ID ID ID ID Ln Ln r, r, (4) uollena13 (ul) uollelldl:)aJd N O .ti ti W t0 � N O O a, 00 (4) uol;ena13 (ul) uollelldl:)aJd N O .ti ti W t0 � N O to zdl M n n n n n n n (4) uollena13 m U (ul) uol;e;ldl:)aad N O n n n (:}) uol4enal3 m n P O O �0 O Z t O] U an aJ aJ C OC aJ aJ LL ! m Q V) c y o ai u 0 2 3 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 m 0 ZZOZ/bL/LL I uoseas SuimoJE) }o pu3 I o z a U p C I I V K T f0 � 0 O m I r-I N I N Ln C IfC V w W L Q� � Im Im Y 3 I UJ � � 3 N a f0 ati 0 V1 � C � O � a+ O I w CLO a+ _ I a_ C O � E I 0 O O 0 00 C N Q T N I T cu > J C O V I CX C � I Q Q CF) ll1 ' I � UJ J `w ZZOZ/SL/£ uoseas BuimoJE) }o WE!JS I I � � I I � LL C � :a I � U p a 2. 0 O O O O O O O O 0 I O O �0 CO U an N N C OC UJ N O ! f6 Q V) c y o v P v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 m 0 I ZZOZ/bL/LL uoseas BuimoJE) }O pu3 I o z a U UJ C I I V K T f0 � I O O m N U w I N � C fC V w E L Q� � Y 3 I UJ � c 3 N Q � i O v1 � I C � O � a+ p � I w CLO � C I � p I O � O 0 00 N I C N Q T m T > N L -p to J 7 V — C O V X I O. Q Ln I cu J `w ZZOZ/SL/£ uoseas SUIMOJE) }O lVelS I I � � I I L L C � :a I � U UJ a 0 O O O O O O O O I NO uORe-13 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n Co L O m I I 0 m ZZOZ/bL/LL uoseas BuimoJE) }o pu3 I o z a U UJ C I V K f0 � Q O m I M Gl I N V C fC V Cu W L Q� � Im Im Y 3 I Cu � � 3 N a f0 +�+ O V7 � I C � O � a+ O � I w CLO � I C O � — I o O � O O CO N I C N Q T N I T Cu > f0 � IC O IV CX C I Q Q � M Irq —Cu Cu `w ZZOZ/SL/£ uoseas SuimoJE) }o lWelS I I � � I I � LL C :a I U v a O O O O O O O O 0 I NO uORe-13 ai in O Y a 0 N N ++ N E m 0 O Z O M +�+ W O]O ate+ w V ?> N C OC 0 0 O `) O ayi c L C u u 0 2 3 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 ZZOUVI/LL m 0 I uoseas suimoJE) }o pu3 o a I z U UJ C I V w m � I O O M Gl O Q Ln C fC V w W L Q� � Y 3 I UJ � c +�+ O V7 � I C � O � a+ O � I w CLO � I c O � I 0 o O � O O 00 N I C T Q N T > W 7 V � IC - O V I X I O. Q 00cu I ZZOZ/SL/£ J `w uoseas SuimoJE) }o lWels � I I � I I � LL C M :a I U v a O O O O O O O O I NO UORe-13 ai in c O a 0 N N ++ N E m 0 O O +�+ W ate+ Z O w O] V an w ?> N C OC 'a O 'O O v a ++ ro o Q `n o Cu 0 c L C u u o 2 3 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n Co L O m I I 0 m 0 I ZZOZ/bL/LL u0seas SuimoJE) 10 pu3 I o z a U UJ C I I V K T f0 � I O O m LA I N N � C IfC V w W L � Y 3 I Cu � � 3 N I a f0 +�+ O V7 I C O � a+ O � I w CLO 0 m Ir C O � E I 0 O O 0 CO N I C N Q T N I T > Cu � IC O V I X 0 I O. Q Ln I > Cu `w ZZOZ/sL/£ uoseas 2lull, }o ljels 0 I LL C :a I I U v a O O O O O O O 1-9 O I ai in c O a 0 N N ++ N E m 0 O Z O M +�+ W O]O ate+ w V ?> N C CC 'a O 'O - v a ++ ro o Q `n o ayi 0 c L C u u o 2 3 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n Co L O m I I 0 m 0 ZZOZ/bL/LL I uoseaS SuimoJE) }o pu3 o z a U p C I V K f0 � I O O m lG G1 I N L C fC V Cu W L Y 3 Cu � tm 3 N a f0 i O v1 � I C � O � a+ O � I Cu � O w C C O � Io 0 Co ° Q T f0 � I � C O IV cX C O. Q � Ic-I > Cu `w ZZOZ/SL/£ uoseaS BuimoJE) }o:WelS I I � LL C :a I U v a 0 O O O O O O O O I P v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 ZZOZ/bL/LL m I uoseas BuimoJE) }o pu3 o a I z U p C I V K f0 � I O O m n Gl I N Ln C IfC V w W L Q� � Im Im Y 3 I UJ � to � 3 N a f0 i O v1 � I C � O � a+ O � I w C C O � I O � O O 00 N C T Q N T > u N L O 0 7 V � I - � C O V I X I O. Q 00cu I ZZOZ/SL/£ J `w uoseas SuimoJE) }o :Wels � I I � I I � LL C � :a I U p a 0 O O O O O O O O I NO UORe-13 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 m IF ZZOZAVII uoseas SuimoJE) }o pu3 I CP o z a U p C I V K f0 � I 0 O m 00 it 0) ttoL I N C fC V w W L Q� � Y 3 I UJ -M txo N a 0 O 0 ati 0 V1 C � O ? a+ O � I w CLO � I C O � I 0 o O O 0 00 N I C Q > I 0 u 7 V C IV (c0 Q Q C 00 > J `w ZZOZ/SL/£ uoseas suimoig }o els I � � I I � LL C :a I U v a O O O O O O O O I NO UORe-13 v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 ZZOZ/bL/LL m 0 I uoseas BuimoJE) }o pu3 o a I z U UJ C I V K f0 � I O O m n cU G1 I N C IfC V w W L Q� � Im Im Y 3 UJ � � 3 N I a f0 i O v1 � I C � O � a+ O � I w O w a_ C C O � IE o 0 m ° Tcu Q N , T L 'p (0 J f0 C O IV cX C Ln Ic O. Q ZZOZ/SL/£ J `w uoseas SuimoJE) }o WIS I I I � LL C :a I U p a O O O O O O O O 0 I v (ul) uol;e;ldl:)aad w c-I 01 to M O U W a L I O n co L O m I I 0 ZZOZ/bL/LL m uoseas SuimOJE) }O pu3 I o a I c z U UJ C I I V =O i f0 I? I O O m O r-I N N � C P L Q� 3 I� W 7 N I Q m O O N I60 N i O V7 � I C y O pp a+ C v (Q L Q U Y I C C O V] E I O N O OO m L v I Y y N > CL p L I T 0 J V •Y cc W 7 V � IC - O V I X I O. Q N I > ZZOZ/SL/£ J `w uoseas SuimOJE) }O lWels � I I � I I � LL C m :a I U p a O O O O O O O O 0 I NO uORe-13 P v (ul) uol;e;ldl:)aad w c-I 01 to M O U N a L I O n co L O m I I 0 ZZOZ/bL/LL m uoseas BuimoJE) }o pu3 I o a I z U UJ C I I V K T f0 � I O O m a --I a --I N N Ln C E UJ L Q� N Y � 3 I N � N ai i O V7 � I C y O pp a+ C w (Q Q U � Y I C CC V7 ccO C C I C O N O � OO m L v I Y y N cu CL O L T 0 u fC N V 2 I m W V I � I U � C O V I X c V1 I I O. Q cu ZZOZ/SL/£ `w uoseas BUIMOJE) }o WIS � I I � I I � LL C � :a I � U UJ a 0 O O O O O O O O I NO UORe-13 APPENDIX E. Project Timeline and Contact Info Table 14. Project Activity and Reporting History Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 Activity or Deliverable Project Instituted Data Collection Complete Task Completion or Deliverable Submission N/A October 9, 2018 Mitigation Plan Approved December 2020 December 2020 Construction (Grading) Completed N/A July 2021 As -Built Survey Completed August -September 2021 September 2021 Planting Completed N/A February 2022 Baseline Monitoring Document (Year 0) iStream Survey August -September 2021 April 2022 February 2022 lVegetation Survey Invasive Treatment July, November 2022 Year 1 Monitoring Stream Survey August 2022 November 2022 Vegetation Survey Year 2 Monitoring Stream Survey Vegetation Survey Year 3 Monitoring Stream Survey Vegetation Survey Year 4 Monitoring Year 5 Monitoring Stream Survey Vegetation Survey Year 6 Monitoring Year 7 Monitoring Istream Survey Vegetation Survey Table 15. Project Contact Table Carpenter Bottom Mitigation Site DMS Project No. 100090 Monitoring Year 1- 2022 Designer Wildlands Engineering, Inc. Eric Neuhaus, PE 167-B Haywood Rd Asheville, NC 28806 828.774.5547 Construction Contractor Wildlands Construction, Inc. 1430 S. Mint St., Suite 104 Charlotte, NC 28203 Planting Contractor Bruton Natural Systems, Inc. PO Box 1197 Fremont, NC 27830 Seeding Contractor Canady's Landscape & Erosion Control, LLC. Nursery Stock Supplies Bruton Natural Systems, Inc. Herbaceous Plugs Wetland Plants, Inc. Monitoring Performers Wildlands Engineering, Inc. Monitoring, POC Kristi Suggs 704.332.7754 APPENDIX F. Additional Documentation ktr4 WILDLANDS E N G I N E E R I N G May 27, 2022 Mr. Matthew Reid Project Manager NCDEQ— Division of Mitigation Services 5 Ravenscroft Drive, Suite 102 Asheville, NC 28801 RE: Carpenter Bottom Draft MYO Report Review Catawba River Basin - CU# 03050102 Gaston County DMS Project ID No. 100090 Contract #7731 Dear Mr. Reid: Wildlands Engineering, Inc. (Wildlands) has reviewed the Division of Mitigation Services (DMS) comments from the Draft Year 0 Monitoring Report for the Carpenter Bottom Mitigation Site that were received on May 4, 2022. The report has been updated to reflect those comments. The Final MYO Report is included. DMS' comments are listed below in bold. Wildlands' responses to DMS' comments are noted in italics. DMS' Comment: Please add "Date of Issue: April 24, 2017" following RFP number on title page. Wildlands' response: The RFP issuance date of April 24, 2017 has been added to the title page. DMS' Comment: Table 2a: Recommend including the Monitoring Table Components from mitigation plan in the MYO report, or list the number of monitoring stations for each metric in the measurement column of Table 2a. Wildlands' response: The measurement column of Table 2a was updated to include the quantity of monitoring components for each goal/performance criteria. DMS' Comment: Table 3a: There is a discrepancy between the Restoration Tributary Summary Information for Carpenter Branch R1 and R2 lengths when compared to Table 5 in the Mitigation Plan. Please revise or explain the discrepancy in existing lengths. Wildlands' response: Table 3. The pre -project stream length for Carpenter Branch Reach 1 and 2 was corrected to match the mitigation plan and also what is reported in Table 1. DMS' Comment: Section 2.1: There were a significant number of additional brush toes added during construction. While DMS agrees the addition of wood and increase bank stability will be beneficial, can WEI please add an explanation as to why this change was made during construction? Did a storm event reveal a need for additional bank protection, was their extra material on site, etc.? Wildlands' response: Additional brush material was available on site based on the limits of clearing during design and construction. A portion of the additional brush was able to be burned, however utilizing additional brush material as habitat in the small headwater channels was determined a better use of the material. Brush toes were installed for habitat, not for additional stability, in this instance. Wildlands Engineering, Inc. • phone 704-332-7754 • fax 704-332-3306 • 1430 S. Mint Street, # 104 • Charlotte, NC 28203 WILDLANDS ENGINEERING DMS' Comment: Floodplain pool on right floodplain near sta: 112+25 should be included as a red line change. This feature was not in the original design. Wildlands' response: The floodplain pool on the right floodplain near STA 112+25 has been corrected and included as a red line change. The following text was also added to section 2.1.1 of the report: "Floodplain pool - Pool added to preserve relic channel meander feature with existing mature vegetation." DMS' Comment: Sta: 122+39—122+84 note specifies 38 linear feet are realigned. Redline drawing says 44'. Please review and update as necessary for consistency. Wildlan ds' response: The STA 122+39—122+84 note was revised, in the report and on the record drawings, for clarification. The stationing listed represents where the channel realignment deviates from the design; however, the actual channel realignment resulted in 38 linear feet, for a loss of 6 linear feet. DMS' Comment: 3.6 Wetland Hydrology: Section 8.3 of the approved Mitigation Plan defines the growing season based on the Gaston County, NC WETS table as March 15th to November 14th representing a 250 day growing season. Wildlands proposed a 12% growing season of 30 consecutive days based on this data which was approved by the IRT. Confirming season dates with a soil temperature probe is appreciated, but please continue to use the success criteria approved in the Mitigation Plan. Please update section to reflect the Mitigation Plan. Wildlands' response: As requested the text has been revised to better reflect the growing season limits defined in the Site's Mitigation Plan. DMS' Comment: Table 4c: Calculation for Bank Protection under the Structure category is displaying a formula error due to having a 0 value in the formula. Recommend manually changing to 100% or NA for final. Wildlands' response: Table 4c. Since there are no bank protection structures on the reach, the total performing percentage is not applicable and was updated to N/A. DMS' Comment: Groundwater gage 7 and gage 8 photos: Gage photos appear to show a minimal amount of bentonite surrounding the wells when compared to other gages. The bentonite cap may just be hard to see in the photos. As regular maintenance, please inspect and add bentonite as necessary. Wildlands' response: Wildlands mixes some of the surrounding soil with the bentonite and dampens the mixture which provides a better seal around the pipe collar. However, this can alter the pellet -like texture and the appearance of the bentonite cap. Wildlands will continue to monitor, inspect, refurbish the bentonite surrounding the wells on a regular basis. The bentonite seals on gages 7 and 8 are not a concern at this time. DMS' Comment: Monitoring gage installation data sheets are a welcome addition to the report. Thanks for including. Wildlands' response: Thank you for the comment. DMS' Comment: XS 2,3 and 6 photos appear to show riffles with very little to no flow on the surface. Does WEI have concerns regarding the depth of riffle material and the ability to achieve surface flow over these areas? Wildlands' response: Wildlands does not have concerns about the stream's ability to achieve surface flow over the upstream extent of Carpenter Branch Reach 1. Cross section 2 is on an intermittent reach, so it is not surprising that the reach is dry in the September photos. Cross sections 3 and 6 both show some staining on the rocks indicating that flow has occurred over the riffles. It is expected that once the stream Wildlands Engineering, Inc. • phone 704-332-7754 • fax 704-332-3306 • 1430 S. Mint Street, # 104 • Charlotte, INC 28203 WILDLANDS ENGINEERING has time to stabilize and the riffle material settles, winter rain will recharge the streams and flow will return as shown in the photos taken in February at PP1 and PP2. DMS' Comment: Table 10: Please change the Project Instituted date to October 9, 2018. Wildlands' response: In Table 10, the Project Instituted date was changed from July 6, 2017 (the date of Wildland's contract with NCDEQ, #7244) to October 9, 2018 (the date of the fully executed original contract with the NCDEQ, #7731). Digital Deliverable Comments: DMS' Comment: There are two depictions of what appears to be an outer meander bend on centerline for Carpenter Branch R1; one is labeled as such and lists the length as 49.673, the other is labeled as CB R1 As -built Deviation and lists length as 43.874. Please verify the submission of all centerlines (feature class = Streams_PH) are sourced from the As -built survey. Wildlands' response: The feature class "Streams —PH' was renamed to "Streams" and the attribute table was modified for clarity. A credit/no credit column was added, and the realignment attribute of OID#14 was changed to "No". There are two lines shown in the map because one line represents the proposed stream alignment, and the other is the deviation. The lines match what is used and shown in the CAD plan set (Sheet 1.1.6); the deviation line in GIS matches the red line in CAD. The longer segment (OID#14) is the proposed centerline, and the shorter segment (OID#8) is the deviation. The deviation length was used when calculating the as -built creditable stream length. Wetland A 81.253774TW 35.404B295°N Streams x I& Pq Add 5electiorc NMSekect By Attributes +V Zoom To ®®Switch ® Clear 0 Delete 8 Copy Highirghte& ®a Dnsele 4BJECTIU * Shape" Shape_Lergth Name Approach Lengh_LF Realignment Foaficdt 14 PolylineZ 49.673367 Carpenter Branch R1 Restoration 49.573357 No fJo P PolylineZ 4304078 CB Rl As Built Deviat,,, De., 43.374073 YE - As requested, Wildlands has included one (1) hard copy of the final report and a full final electronic submittal of the support files on USB. A copy of the DMS comment letter and our response letter have been included inside the front cover of the report's hard copy, as well. Please let me know if you have any questions. Sincerely, Kristi Suggs Senior Environmental Scientist ksuggs@wildlandseng.com Wildlands Engineering, Inc. • phone 704-332-7754 • fax 704-332-3306 • 1430 S. Mint Street, # 104 • Charlotte, NC 28203 WILDLANDS ENGINEERING July 26, 2022 ATTN: Ms. Kim Isenhour Mitigation Project Manager, Regulatory Division U.S. Army Corps of Engineers 69 Darlington Avenue Wilmington, NC 28403-1343 RE: Carpenter Bottom Mitigation Site - MYO Report Comments Catawba River Basin — CU# 03040101, Gaston County USACE Action ID No. SAW-2018-02062 NCDWR Project No. 20190049 DMS Project ID No. 100090, Contract # 7731 Dear Ms. Kim Isenhour, Thank you for your comments in the email dated July 7, 2022 referencing the Carpenter Bottom Mitigation Site Monitoring Year 0 (MYO) Report. Wildlands Engineering, Inc. (Wildlands) has reviewed these comments and our responses are noted below. Kim Isenhour, USACE: 1. How deep are the floodplain pools where the relic channel meander features were located? On recent site visits, we've noted several instances of floodplain pools being left as open water in areas where the mitigation plans calls for planted buffers. The majority of these pools have been deep enough that they will not dry seasonally and allow for herbaceous or woody vegetation establishment. Wildlands Response: At the location of the relic channel meander features, the floodplain pool is around 1.5' deep. The floodplain pools were designed with a max depth of 2.0' and were intended to draw down seasonally. Vegetation growth will be monitored in floodplain pools and reported on in the MY1 report. Kim Isenhour, USACE response (July 28, 2022): These features should be no more than 18-inches deep and should dry seasonally (ideally toward the end of spring), not draw down. The idea is that the pools will have dry periods that prevent predator species from surviving. The size of constructed ephemeral pools should be limited to prevent the formation of gaps within the tree canopy and minimize the risk of invasive plant colonization. You should also take into account the target vegetation community for the project. For example, ephemeral pools may develop herbaceous vegetative growth that may persist for a long period rather than the targeted forested community. Wildlands Response: The condition of the floodplain pools is discussed in more detail in section 2.6 — Wetland Hydrology Assessment of the MY1 report. Two of the four floodplain pools were existing wetland areas protected during construction, so their hydrologic functionality and their vegetation communities are assumed to be comparable to the existing conditions. When the Site was assessed on September 1, 2022, three of the pools had dried up completely and only the most upstream pool had a small area of standing water approximately 0.5 feet deep. The targeted forested community can still develop an enclosed canopy over and around these floodplain pools as they are only 27-feet wide. Consequently, these four pools are not a concern for the success and functionality of the completed project. See the MY1 report for photo documentation of the floodplain pools. 2. In future monitoring years, please capture some of the wetland rehabilitation areas with mobile veg plots. Wildlands Response: Mobile veg plots will be positioned to capture wetland rehabilitation areas starting in MY2 as mobile vegetation plots are typically stationary between MYO and MY1. 3. Thank you for including the soil profile descriptions at each groundwater gauge. It would have been helpful to include a table with the pre -construction gauge data. Wildlands Response: A summary table of pre -construction gage data will be included in future as -built monitoring reports. 4. Pebble counts were included in the data. Do you plan to keep this as a performance standard through monitoring? Wildlands Response: Pebble counts were included in the MYO report as part of the baseline data collection as described in the Mitigation Plan. However, pebble counts will not be collected for the MY1-MY7 reports, unless requested by the IRT or deemed necessary based on best professional judgement. This is documented in Section 3.3 (Stream Assessment) of the MYO report. 5. Photo Point 12, outside the easement, appears to be a source of offsite sediment/nutrients. Wildlands Response: Sediment in photo point 12 is from recent fencing work at the Site. Upstream of UT4 is wooded and stable. Erin Davis, NCDWR: 1. DWR would like to reiterate DMS' comments/questions on the high riffles and gauge ben tonite seals. WEI's responses were fine, but please closely observe these areas during MY1 and address as needed. Wildlands Response: These items/concerns will be noted in future monitoring reports. 2. What are the max. depths of the floodplain pools? (may include response in MY1 report) Wildlands Response: The floodplain pools were designed with a max depth of 2.0' and were intended to draw down seasonally. Vegetation growth will be monitored in floodplain pools and reported on in the MY1 report. DWR appreciated that invasives were inventoried and treated pre -construction. And we were glad to see woody debris was added to the floodplain pools. DWR is ok with the proposed credit release. No site visit requested. Wildlands Response: Thank you for your comments. Todd Bowers, USEPA: 1. All 13 vegetation plots met the interim success criteria and are on track to meet the final success criteria required for MY7, and no species dominance per plot was greater than 50%. Morphological WILDLANDS ENGINEERING surveys conducted throughout the Site show all streams as stable and functioning as designed. Eleven groundwater wells were established at baseline conditions to monitor wetland hydrology within both wetland re-establishment and rehabilitation areas. Wetland hydrologic data will be collected and reported during MY1. No adaptive management plan needed at this time. No issues of conservation easement encroachment. Wildlands Response: Thank you, we acknowledge the comments. 2. Table 2a: I recommend adding a visual confirmation that the objective of excluding livestock from the conservation easement is being met. Visual confirmation can include no sign of hoof shear or cattle excrement within the project boundaries. Trampled streams and vegetation, broken fence, destroyed banks from hooves and excrement would be positive indications of that objective not meeting standards. Wildlands Response: A visual confirmation of cattle exclusion will be added to Table 2A in the MY1 report. Overall, I am very satisfied with the report and the work that Wildlands has completed at the site. Having not been able to visit this location, I really appreciated the detailed ground -level stream and veg plot photos to illustrate the amount of work implemented. I recommend the appropriate credit release (Milestone 2) for warm stream and riparian wetland mitigation units for this monitoring milestone. I have no other substantial comments at this time. Wildlands Response: Thank you, we acknowledge the comments. As requested, Wildlands has addressed these comments and the updates are included in the MY1 Report. A copy of this comment/response letter will be included in the Appendix of the MY1 Report. If you have any questions, please feel free to contact me. Thank you! Sincerely, Eric Neuhaus Senior Environmental Scientist ksuggs@wildlandseng.com