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HomeMy WebLinkAbout20120064 Ver 1_Year 0 Monitoring Report_2015_20160615BASELINE MONITORING -901411OHM BASELINE REPORT Final CROOKED CREEK #2 RESTORATION PROJECT Union County, NC NCDEQ Contract D09126S DMS Project Number 94687 Data Collection Period: January 2015 — February 2016 Draft Submission Date: March 23, 2016 Final Submission Date: May 6, 2006 PREPARED FOR: NC Department of Environment Quality Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 PREPARED BY: WILDLANDS E N G I NEER IN G 1430 South Mint Street, Suite 104 Charlotte, NC 28203 Phone: 704.332.7754 Fax: 704.332.3306 EXECUTIVE SUMMARY Wildlands Engineering (Wildlands) completed a design bid build project at the Crooked Creek #2 Mitigation Site (Site) for the North Carolina Division of Mitigation Services (DMS) to restore and enhance 6,147 linear feet (LF) of perennial streams, enhance 1.0 acre of existing wetlands, restore and create 11.6 acres of wetlands, and restore and enhance 70,936 square feet (SF) of riparian buffer in Union County, NC. The Site is expected to generate 3,489.6 stream mitigation units (SMUs), 8.6 wetland mitigation units (WMUs), and 1.3 buffer mitigation units (BMU) for the Goose Creek watershed (Table 1). The Site is located off NC Highway 218 in the northern portion of Union County, NC in the Yadkin Pee -Dee River Basin; eight -digit Cataloging Unit (CU) 03040105 and the 14 -digit Hydrologic Unit Code (HUC) 03040105040010 (Figure 1). The project streams consist of two unnamed tributaries to Crooked Creek, UT1 and UT2, and two reaches of the Crooked Creek mainstem (Reach A and Reach B) (Figure 2). Crooked Creek flows into the Rocky River 4 miles northeast of the site near Love Mill Road at the Stanly County line. The adjacent land to the streams and wetlands is primarily maintained for agricultural and residential uses. The Site is within a Targeted Local Watershed (TLW) in the Lower Yadkin Pee -Dee River Basin Restoration Priority Plan (RBRP) (NCEEP, 2009). The Site is also located within the Goose Creek and Crooked Creek Local Watershed Plan (LWP). The final watershed management plan (WMP) for Goose Creek and Crooked Creek was completed in July 2012 (NCEEP, 2012). The stressors to watershed function identified in the WMP were sediment pollution and increases in peak stream flows resulting in impairments to aquatic habitat and aquatic life. Stream enhancement and restoration is identified as the best management opportunity to offset these impacts. Other stressors identified included nonpoint source runoff, degraded terrestrial habitat, and disconnected floodplains. Wetland enhancement and restoration is identified as the best management opportunity to offset impacts related to these stressors. The wetland portion of the project was identified as a specific priority in the Project Atlas that accompanies the 2012 WMP. The project goals established in the mitigation plan (Wildlands, 2013) were completed with careful consideration of goals and objectives that were described in the RBRP and to address stressors identified in the LWP. The following project goals established include: • Improve wetland hydrologic connectivity; • Decrease sediment input into stream; • Create appropriate terrestrial habitat; • Decrease water temperature and increase dissolved oxygen concentrations; and • Decrease nutrient and adverse chemical levels. The Site construction and as -built survey and construction was completed in 2015. Planting and baseline monitoring activities occurred in January through February 2016. Minimal adjustments were made during construction and specific changes are detailed in Section 5.1. Baseline (MYO) profiles and cross- section dimensions closely match the design parameters. Cross section widths and pool depths occasionally exceed design parameters within a normal range of variability for natural streams. The Site has been built as designed and is expected to meet the upcoming monitoring year's success criteria. Crooked Creek #2 Restoration Project IaW Baseline Monitoring Document and As -Built Baseline Report -FINAL CROOKED CREEK #2 STREAM AND WETLAND MITIGATION SITE Baseline Monitoring Document and As -Built Baseline Report TABLE OF CONTENTS Section 1: PROJECT GOALS, BACKGROUND AND ATTRIBUTES.........................................................1-1 1.1 Project Location and Setting......................................................................................................1-1 1.2 Project Goals and Objectives.....................................................................................................1-2 1.3 Project Structure, Restoration Type and Approach...................................................................1-2 1.3.1 Project Structure................................................................................................................1-2 1.3.2 Restoration Type and Approach........................................................................................1-3 1.4 Project History, Contacts and Attribute Data............................................................................1-3 Section 2: PERFORMANCE STANDARDS.......................................................................................... 2-1 2.1 Stream........................................................................................................................................2-1 2.1.1 Dimension..........................................................................................................................2-1 2.1.2 Pattern and Profile.............................................................................................................2-1 2.1.3 Photo Documentation........................................................................................................2-1 2.1.4 Bankfull Documentation....................................................................................................2-1 2.2 Vegetation..................................................................................................................................2-2 2.3 Wetlands....................................................................................................................................2-2 2.4 Schedule and Reporting.............................................................................................................2-2 Section 3: MONITORING PLAN........................................................................................................ 3-1 3.1 Stream........................................................................................................................................3-1 3.1.1 Dimension..........................................................................................................................3-1 3.1.2 Pattern and Profile.............................................................................................................3-1 3.1.3 Substrate............................................................................................................................3-1 3.1.4 Photo Reference Points.....................................................................................................3-1 3.1.5 Hydrology Documentation.................................................................................................3-2 3.1.6 Visual Assessment..............................................................................................................3-2 3.2 Vegetation..................................................................................................................................3-2 3.3 Wetlands....................................................................................................................................3-2 Section 4: AS -BUILT CONDITION (BASELINE)................................................................................... 4-1 4.1 Record Drawings........................................................................................................................4-1 4.1.1 Crooked Creek Reach 1......................................................................................................4-1 4.1.2 Crooked Creek Reach 2......................................................................................................4-1 4.1.3 UT1.....................................................................................................................................4-1 4.1.4 UT2.....................................................................................................................................4-1 4.2 Baseline Data Assessment.........................................................................................................4-1 4.2.1 Morphological State of the Channel..................................................................................4-2 4.2.2 Vegetation..........................................................................................................................4-2 4.2.3 Wetlands............................................................................................................................4-2 Section5: REFERENCES................................................................................................................... 5-1 Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report -FINAL APPENDICES Appendix 1 General Tables and Figures Figure 1 Project Vicinity Map Figure 2 Project Component/Asset Map Figure 3.0— 3.6 Monitoring Plan View Table 1 Project Components and Mitigation Credits Table 2 Project Activity and Reporting History Table 3 Project Contact Table Table 4 Project Information and Attributes Table 5 Monitoring Component Summary Appendix 2 Morphological Summary Data and Plots Table 6 Baseline Stream Data Summary Table 7 Morphology and Hydraulic Summary Longitudinal Profile Plots Cross -Section Plots Reachwide and Cross-section Pebble Counts Stream Photographs Appendix 3 Vegetation Plot Data Table 8 Planted and Total Stem Counts Vegetation Photographs Appendix 4 Baseline Wetland Photo Documentation Wetland Photographs Appendix 5 Record Drawings k 11 Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report -FINAL Section 1: PROJECT GOALS, BACKGROUND AND ATTRIBUTES 1.1 Project Location and Setting The Site is located off NC Highway 218 in the northern portion of Union County, NC (Figure 1). The Site was originally located within three tracts of land. One tract of land is owned by Reuben and Lorna Price (PIN 081530021) and the other two tracts are owned by Logan and Mildred Tucker, (PIN 08153002H, 08153009C). A conservation easement has been recorded on a 54.9 -acre parcel purchased in 2011 by the State of North Carolina (PIN 08153002L) comprised of portions of the original three tracts. (Deed Book 5665, Page 823). The Site is located in the Yadkin Pee -Dee River Basin; eight -digit Cataloging Unit (CU) 03040105 and the 14 -digit Hydrologic Unit Code (HUC) 03040105040010 (Figure 1). Located in the Carolina Slate Belt of the Piedmont Physiographic Province (USGS, 1998), the project watershed includes primarily agricultural forested, and developed land. The drainage area for the project site is 24,619 acres. From US -74 East, take 27 East/Albemarle Road. Travel on Albemarle Road approximately 8 miles to Interstate 485. Take Interstate 485 South (Inner Loop) for approximately 3 miles to exit 44 for NC Highway 218 toward Mint Hill. Turn left off ramp on to NC218 and follow for approximately 7 miles. The project site is located approximately 0.85 miles after US 601/Concord Highway on the right hand side of the road. The North Carolina Division of Water Resources (NCDWR) assigns best usage classifications to State Waters that reflect water quality conditions and potential resource usage. Crooked Creek (NCDWR Index No. 13-17-20) is the main tributary of the project and is at least a fourth order stream. UT1 and UT2 are first order streams that flow into Crooked Creek. Crooked Creek has been classified as Class C waters. Class C waters are protected for secondary recreation, fishing, wildlife, fish and aquatic life propagation and survival, agriculture, and other uses. Crooked Creek and its UTs are located within Yadkin Pee -Dee River Subbasin (NCDWR Subbasin 03-07-12). The site is located within a Targeted Local Watershed (TLW) in the Lower Yadkin Pee -Dee River Basin Restoration Priority Plan (RBRP) (NCEEP, 2009). The Site is also located within the Goose Creek and Crooked Creek Local Watershed Plan (LWP). The final watershed management plan (WMP) for Goose Creek and Crooked Creek was completed in July 2012 (NCEEP, 2012). The stressors to watershed function identified in the WMP were sediment pollution and increases in peak stream flows resulting in impairments to aquatic habitat and aquatic life. Stream enhancement and restoration is identified as the best management opportunity to offset these impacts. Other stressors identified included nonpoint source runoff, degraded terrestrial habitat, and disconnected floodplains. Wetland enhancement and restoration is identified as the best management opportunity to offset impacts related to these stressors. The wetland portion of the project was identified as a specific priority in the Project Atlas that accompanies the 2012 WMP. Prior to construction activities, the streams on the Site had been channelized to provide drainage for surrounding pasture. The adjacent floodplain wetland areas had been cleared and ditched. Land use activities resulted in bank instability due to erosion and livestock access, lack of riparian buffer, and altered hydrology. Incision, lateral erosion, and widening resulted in degraded aquatic and benthic habitat, reduction in quality and acreage of riparian wetlands, and lowered dissolved oxygen levels in the stream. Table 4 in Appendix 1 and Table 6 in Appendix 2 present the pre -restoration conditions in more detail. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 1-1 1.2 Project Goals and Objectives This mitigation site is intended to provide numerous ecological benefits within the Yadkin Pee -Dee Basin. While many of these benefits are limited to the Crooked Creek project area, others, such as pollutant removal, reduced sediment loading, and improved aquatic and terrestrial habitat, have farther -reaching effects. Expected improvements to water quality and ecological processes are outlined below as project goals and objectives. These project goals established were completed with careful consideration of goals and objectives that were described in the RBRP and to address stressors identified in the LWP while also meeting the DMS mitigation needs. The project specific goals of the Crooked Creek #2 Stream and Wetland Mitigation Site included the following: • Improve wetland hydrologic connectivity; • Decrease sediment input into stream; • Create appropriate terrestrial habitat; • Decrease water temperature and increase dissolved oxygen concentrations; and • Decrease nutrient and adverse chemical levels. The project objectives have been defined as follows: • Construct stream channels that will remain relatively stable over time and adequately transport their sediment loads without significant erosion or aggradation; • Construct stream channels that maintain riffles with coarse bed material and pools with finer bed material; • Provide aquatic and benthic habitat diversity in the form of pools, riffles, woody debris, and in - stream structures; • Add riffle features and structures and riparian vegetation to decrease water temperatures and increased dissolved oxygen to improve water quality; • Construct stream reaches so that floodplains and wetlands are frequently flooded to provide energy dissipation, detain and treat flood flows, and create a more natural hydrologic regime; • Construct fencing to keep livestock out of the streams; • Raise local groundwater table through raising stream beds and plugging agricultural drainage features; • Perform minor grading in wetland areas as necessary to promote wetland hydrology; and Plant native tree species to establish appropriate wetland and floodplain communities and retain existing, native trees where possible. 1.3 Project Structure, Restoration Type and Approach The final mitigation plan was submitted and accepted by the DMS in August of 2013. Construction activities were completed in April 2015 by North State Environmental, Inc. Allied Surveying completed the as -built survey in 2015 and Wildlands engineering completed the baseline monitoring activities in February 2016. Planting was completed by Keller Environmental, Inc. in February 2016. Minimal adjustments were made during construction and field adjustments made during construction are described in further detail in section 5.1. Please refer to Appendix 1 for detailed project activity, history, contact information, and watershed/site background information. 1.3.1 Project Structure The project is expected to provide 3489.6 SMUs, 8.6 WMUs, and 1.3 BMUs. These project components and mitigation credits reflect assets developed in the final IRT -approved project mitigation plan and Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 1-2 subsequently permitted. Please refer to Figure 2 for the project component/asset map for the stream and wetland feature exhibits and Table 1 for the project component and mitigation credit information for the Site. 1.3.2 Restoration Type and Approach The design streams were restored to the appropriate type based on the surrounding landscape, climate, and natural vegetation communities but also with thorough consideration to existing watershed conditions and trajectory. The project includes stream restoration and enhancement as well as wetland enhancement, restoration and creation, and buffer restoration and enhancement. The specific proposed stream and wetland buffer types are described below. The stream restoration portion of this project includes one reach on one stream; UT1. This restoration reach enters the Site from a farm field north of the site and extends to the confluence Crooked Creek. The stream restoration design was developed based on reference conditions, representing streams within the Southern Piedmont Belt region with similar drainage areas, valley slopes, morphology, and bed material. The restoration reaches were designed as threshold channels. This design approach was determined to be appropriate due to the low bedload supply and the desire to establish an immobile channel boundary. The channels were not intended to be fully alluvial and are not expected to migrate laterally over time. Various types of constructed riffles were installed to provide grade control and address excess shear stress. The stream enhancement portion of this project includes three reaches, on two streams; Crooked Creek Reach A and B and UT2. Enhancement II consisted of cattle exclusion, extensive invasive species removal, and planting riparian vegetation to encourage bank stabilization. Along UT2, stream banks were also graded, stabilized, and vegetated to prevent further erosion. The wetland enhancement portion of this projects includes two jurisdictional features (noted Wetland AA and Wetland CC in the mitigation plan) within Zone A and Zone B. The wetland restoration portion of this project includes an area of drained hydric soils within Zone A. The wetland creation portion of this project includes poorly drained soils within Zone B. Buffer restoration and enhancement was also implemented near the confluence of UT1 with Crooked Creek. These areas were planted with native hardwood tree species and will follow a fertilization plan that meets or exceeds the Site Specific Water Quality Management Plan for the Goose Creek Watershed (SSWQMP, 2009). In addition to the above credited site work, an overflow channel that is fed by Crooked Creek upstream of the project limits was re-routed to flow back into Crooked Creek. Originally, this overflow channel connected to UT1 before flowing back into Crooked Creek. The overflow connector cross section was designed based on the dimensions of the surveyed cross sections collected on UT1 downstream of the confluence. No credit was sought for this work. 1.4 Project History, Contacts and Attribute Data The Site was restored by Wildlands through a design -bid -build contract with DMS. Tables 2, 3, and 4 in Appendix 1 provide detailed information regarding the Project Activity and Reporting History, Project Contacts, and Project Baseline Information and Attributes. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 1-3 Section 2: PERFORMANCE STANDARDS The stream and wetland performance criteria for the Site follow approved performance criteria presented in the Crooked Creek #2 Mitigation Plan (August 2013). Annual monitoring and semi-annual site visits will be conducted to assess the condition of the finished project. The stream restoration/enhancement reaches (Crooked Creek Reach 1, Crooked Creek Reach 2, UT1, and UT2) of the project were assigned specific performance criteria components for stream morphology, hydrology, and vegetation. Wetland enhancement, restoration and creation areas were assigned specific performance criteria for wetland hydrology, and vegetation. Performance criteria will be evaluated throughout the seven-year post -construction monitoring. If all performance criteria have been successfully met and two bankfull events have occurred during separate years, Wildlands may propose to DMS to terminate stream and/or vegetation monitoring after year five pending little to no prevalent invasive species issues. An outline of the performance criteria components follows. 2.1 Stream 2.1.1 Dimension Shallow cross-sections on the restoration reaches should be stable and should show little change in bankfull area, maximum depth ratio, and width -to -depth ratio. Per DMS guidance, bank height ratios shall not exceed 1.2 and entrenchment ratios shall be at least 2.2 for restored channels to be considered stable. Shallow cross-sections should fall within the parameters defined for channels of the appropriate Rosgen stream type. If any changes do occur, these changes will be evaluated to assess whether the stream channel is showing signs of instability. Indicators of instability include trends in vertical incision or bank erosion. Changes in the channel that indicate a movement toward stability or enhanced habitat include a decrease in the width -to -depth ratio in meandering channels or an increase in pool depth. Remedial action would not be taken if channel changes indicate a movement toward stability. 2.1.2 Pattern and Profile Annual longitudinal profile surveys will not be conducted during the seven-year monitoring period unless other indicators during the annual monitoring indicate a trend toward vertical and lateral instability. Visual indicators for the stream restoration reaches should show that the bedform features are remaining stable. Substrate Substrate materials in the restoration reaches should indicate a progression towards or the maintenance of coarser materials in the riffle features and smaller particles in the pool features. 2.1.3 Photo Documentation Photographs should illustrate the Site's vegetation and morphological stability on an annual basis. Cross- section photos should demonstrate no excessive erosion or degradation of the banks. Longitudinal photos should indicate the absence of persistent bars within the channel or vertical incision. Grade control structures should remain stable. Deposition of sediment on the bank side of vane arms is preferable. Maintenance of scour pools on the channel side of vane arms is expected. 2.1.4 Bankfull Documentation Two bankfull flow events must be documented on the restoration reaches within the seven-year monitoring period. The two bankfull events must occur in separate years. Stream monitoring will continue until success criteria in the form of two bankfull events in separate years have been Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 2-1 documented. Bankfull events will be documented using crest gages, photographs, and visual assessments such as debris lines. 2.2 Vegetation The final vegetative success criteria will be the survival of 210 planted stems per acre in the planted riparian and wetland corridor at the end of the required monitoring period (MY7). The interim measure of vegetative success for the Site will be the survival of at least 320 planted stems per acre at the end of the third monitoring year and at least 260 stems per acre at the end of the fifth year of monitoring. Planted vegetation must average 10 feet in height in each plot at the end of the seventh year of monitoring. If this performance standard is met by MY5 and stem density is trending towards success (i.e., vigor), monitoring of vegetation on the Site may be terminated provided written approval is provided by the USACE in consultation with the NC Interagency Review Team (IRT). The extent of invasive species coverage will also be monitored and controlled as necessary throughout the required monitoring period (year five or seven). 2.3 Wetlands The target performance criteria for wetland hydrology will be a free groundwater surface within 12 inches of the ground surface for 16 consecutive days (7.5 percent) of the defined 227 day growing season for Union County (March 23 through November 4) under typical precipitation conditions. This success criterion was determined through model simulations of post restoration conditions and comparison to an immediately adjacent existing wetland system. If a particular groundwater monitoring gage does not meet the success criteria for a given monitoring year, rainfall patterns will be analyzed and the hydrograph will be compared to that of the reference well to assess whether atypical weather conditions occurred during the monitoring period. 2.4 Schedule and Reporting Monitoring reports will be prepared in the fall of each year of monitoring and submitted to DMS. Based on the DMS Annual Monitoring Template (April 2015), the monitoring reports will include the following: • Project background which includes project objectives, project structure, restoration type and approach, location and setting, history and background; • Monitoring Map of major project elements including such items as grade control structures, vegetation plots, permanent cross-sections, crest gages, and monitoring wells with current stream, vegetation, and wetland conditions; • Photographs showing views of the restored Site taken from fixed point stations; • Project asset stability and easement encroachment assessment based on the cross-section surveys and semi-annual visual assessments; • Vegetative data as described above including the identification of any invasion by undesirable plant species; • Groundwater gage attainment; • A description of damage by animals or vandalism; • Maintenance issues and recommended remediation measures will be detailed and documented; and • Wildlife observations. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 2-2 Section 3: MONITORING PLAN Monitoring will consist of collecting morphological, vegetative, and hydrological data to assess the project success based on the restoration goals and objectives on an annual basis or until success criteria is met. The success of the project will be assessed using measurements of the stream channel's dimension, substrate composition, permanent photographs, vegetation, surface water hydrology, and groundwater hydrology. Any areas with identified high priority problems, such as streambank instability, aggradation/degradation, insufficient groundwater hydroperiod, or lack of vegetation establishment will be evaluated on a case-by-case basis. The problem areas will be visually noted and remedial actions will be discussed with DMS staff to determine a plan of action. Refer to Table 5 in Appendix 1 for monitoring component summary. 3.1 Stream Geomorphic assessments follow guidelines outlined in the Stream Channel Reference Sites: An Illustrated Guide to Field Techniques (Harrelson et al., 1994), methodologies utilized in the Rosgen stream assessment and classification documents (Rosgen, 1994 and 1996), and in the Stream Restoration: A Natural Channel Design Handbook (Doll et al., 2003). Please refer to Figure 3 in Appendix 1 for monitoring locations discussed below. 3.1.1 Dimension In order to monitor the channel dimension, four permanent cross-sections were installed along the stream restoration reach. Two cross sections were installed per 1,000 linear feet along the stream restoration reaches, with riffle and pool sections in proportion to DMS guidance. Each cross-section is permanently marked with rebar installed in concrete and 1/2 inch PVC pipes. Cross-section surveys include points measured at all breaks in slope, including top of bank, bankfull, edge of water, and thalweg. If moderate bank erosion is observed at a stream reach during the monitoring period, an array of bank pins will be installed in representative areas where erosion is occurring for reaches with a bankfull width of greater than three feet. Annual cross section survey (if applicable) will be conducted for seven years following construction. Photographs will be taken annually of the cross sections looking upstream and downstream. 3.1.2 Pattern and Profile Longitudinal profile surveys will not be conducted during the seven-year monitoring period unless other indicators during the annual monitoring indicate a trend toward vertical and lateral instability. If a longitudinal profile is deemed necessary, monitoring will follow standards as described in the DMS Monitoring Requirements and Performance Standards for Stream and/or Wetland Mitigation (11/7/2011) and the 2003 USACE and NCDWR Stream Mitigation Guidance for the necessary reaches. Stream pattern and profile will be assessed visually as described below in Section 3.1.6. 3.1.3 Substrate A reach -wide pebble count was conducted for classification purposes on the restoration reach (UT1). Pebble counts will also be conducted at permanent riffle cross-sections. The pebble counts will be conducted annually for seven years following construction and compared with data from previous years. 3.1.4 Photo Reference Points A total of 34 permanent photographic reference points were established within the project stream and wetland areas after construction. Photographs will be taken once a year to visually document stability for seven years following construction. Permanent markers were established so that the same locations Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 3-1 and view directions on the site are monitored each year. Photographs will be used to monitor restoration and enhancement of stream and wetland areas as well as vegetation plots. The photographer will make every effort to maintain the same area in each photo over time. Reference photos will also be taken for each of the vegetation plots and cross-sections, and will be repeated annually. The representative digital photo(s) shall be taken when the annual stream and vegetation surveys are conducted. 3.1.5 Hydrology Documentation Bankfull events will be documented using crest gages, photographs, and visual assessments such as debris lines. Three hydrology monitoring stations with crest gages were installed; one on Crooked Creek Reach 1, one on UTI, and one on UT2. The gages were installed within surveyed riffle cross-sections. The gages will be checked at each site visit to determine if a bankfull event has occurred. Photographs will be used to document the occurrence of debris lines and sediment deposition. 3.1.6 Visual Assessment Visual assessments will be performed in the field along all stream and wetland areas on a semi-annual basis during the seven-year monitoring period. Problem areas will be noted such as channel instability (i.e. lateral and/or vertical instability, in -stream structure failure/instability and/or piping, headcuts), vegetated health (i.e. low stem density, vegetation mortality, invasive species or encroachment), beaver activity, or livestock access. Areas of concern will be mapped, photographed, and described through a written description in the annual report. Problem areas will be re-evaluated during each subsequent visual assessment. Should remedial actions be required, recommendations will be provided in the annual monitoring report. 3.2 Vegetation Planted woody vegetation will be monitored in accordance with the guidelines and procedures developed by the Carolina Vegetation Survey-EEP Level 2 Protocol (Lee et al., 2006) to monitor and assess the planted woody vegetation. A total of 12 vegetation plots were established within the project easement area. All of the plots were established as standard 10 meter by 10 meter squares. Please refer to Figure 3 in Appendix 1 for the vegetation monitoring locations. Vegetation plots were randomly established within the planted stream and wetland restoration areas to capture the heterogeneity of the designed vegetative communities. The vegetation plot corners have been marked and are recoverable either through field identification or with the use of a GPS unit. Reference photographs at the origin looking diagonally across the plot to the opposite corner were taken during the baseline monitoring in February 2016. Subsequent annual assessments following baseline survey will capture the same reference photograph locations. Species composition, density and survival rates will be evaluated on an annual basis by plot and for the entire Site. Individual plot data will be provided and will include diameter, height, density, vigor, damage (if any), and percent survival. Planted woody stems will be marked annually as needed based off of a known origin so they can be found in succeeding monitoring years. Mortality will be determined from the difference between the baseline year's living planted stems and the current year's living planted stems. 3.3 Wetlands In order to monitor the wetland areas, 10 groundwater monitoring gages were established within the Site using logging hydrology pressure transducers. Generally, the gages were installed at appropriate locations so that the data collected will provide an indication of groundwater levels throughout the wetland project area. All gages were set to record the ground water level two times per day. An onsite rain gage will record daily rainfall and will be utilized to assess whether typical weather conditions Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 3-2 occurred during the monitoring period. If a particular gage does not meet the performance standard for a given monitoring year, rainfall patterns will be analyzed and the hydrograph will be compared to that of the reference wetlands to assess whether atypical weather conditions occurred during the monitoring period. Permanent photograph reference points were established at 3 locations to visually document wetland Zone A and Zone B. Permanent markers were established so that the same locations and view directions on the Site are photographed each year. Please refer to Figure 3 in Appendix 1 for the hydrological monitoring and photo station locations. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 3-3 Section 4: AS -BUILT CONDITION (BASELINE) The Site construction and as -built surveys were completed in 2015. The survey included developing an as -built topographic surface, locating the channel boundaries, and structures. For comparison purposes, during the baseline assessments, reaches were divided into assessment reaches in the same way that they were established for design parameters: Crooked Creek Reach A, Crooked Creek Reach B, UT1, and UT2. 4.1 Record Drawings A sealed half-size record drawing is located in Appendix 5 that includes redlines for any significant field adjustments made during construction that were different from the design plans. Minor stream adjustments made during construction were associated with, instream habitat improvement, necessary avoidance of existing vegetation and erosion prevention measures. Specific changes are detailed below: 4.1.1 Crooked Creek Reach 1 UT1 Overflow connector alignment shifted 15 ft to the west to avoid 5 ft diameter hardwood tree missed during prior survey; • Additional Invasive plant removal over all non -planted areas. (Change order #2). 4.1.2 Crooked Creek Reach 2 • Additional Invasive plant removal over all non -planted areas. (Change order #2). 4.1.3 UT1 • Station 100+25 —101+25 (approx.): added a 85 LF barbed wire fence to replace 80 LF chain link fence removed during the construction of UT1; • Station 116+15 — 117+00 (approx.): installed additional coir matting to floodplain; • Additional Invasive plant removal over all non -planted areas. (Change order #2). 4.1.4 UT2 • Station 303+45: installed boulder step pool at outlet of the Wetland CC confluence with UT2 (Change Order #1); • Additional Invasive plant removal over all non -planted areas. (Change order #2). 4.2 Baseline Data Assessment Baseline monitoring (MYO) was conducted in January and February 2016 with the vegetation data collection occurring in February 2016 immediately following planting. The first annual monitoring assessment (MY1) will be completed in the fall of 2016. The streams and wetlands will be monitored for a total of seven years, with the final monitoring activities to be conducted in 2023. The close-out for the Site will be conducted in 2024 given the success criteria is met. As part of the closeout process, DMS will evaluate the Site at the end of the fifth year monitoring period to determine whether or not the site is eligible to closeout following MYS. If the Site is meeting success criteria, DMS will propose to the IRT to proceed with the closeout process. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 4-1 4.2.1 Morphological State of the Channel Morphological data for the as -built profile was collected in January -February 2016. Please refer to Appendix 2 for summary data tables, morphological plots, and stream photographs. Profile The baseline (MYO) profiles closely match the profile design parameters. On the design profiles, riffles were depicted as straight lines with consistent slopes. However, at some locations the riffle profiles within the as -built survey are not consistent in slope due to the installation of structures and woody debris within the streambed. The water surface slope was used to calculate all riffle slopes. Maximum riffle slopes exceed design parameters within a short section of UT1 to bring the bed elevation down in the approach to the Crooked Creek confluence. Additionally, maximum pool depths typically exceed design parameters and are expected to trend towards the design depths as a result of natural deposition over time. These variations in riffle slope and pool depths do not constitute a problem or indicate a need for remedial actions and will be assessed visually during the CCPV site walks. Dimension The baseline (MYO) dimension numbers closely match the design parameters within acceptable ranges of variation. These are reflected in the cross sections as a larger maximum pool depth. We anticipate that over time pools may accumulate with fine sediment and organic matter. This accumulation of sediment within pools would not be seen as an indicator of instability. Pattern The baseline (MYO) pattern metrics fell within acceptable ranges of the design parameters for all three reaches. Pattern data will be evaluated in MY5 if there are any indicators through the profile or dimension assessments that significant geomorphic adjustments have occurred. Bankfull Events Bankfull events recorded following completion of constructions will be reported in the Year 1 monitoring report. 4.2.2 Vegetation The baseline (MYO) average planted density is 526 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. Volunteer stems were noted in several of the plots, but are not included in the calculated average planted density. The average stem density with volunteers included (total stem density) is 772 stems per acre. Summary data and photographs of each plot can be found in Appendix 3. 4.2.3 Wetlands Wetland photos collected at the permanent photo points during the baseline (MYO) data collection efforts can be found in Appendix 5. Groundwater gage data will be reported in the annual monitoring reports. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 4-2 Section 5: REFERENCES 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. Harrelson, Cheryl C; Rawlins, C.L.; Potyondy, John 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. Lee, Michael T., Peet, Robert K., Steven D., Wentworth, Thomas R. 2006. CVS-EEP Protocol for Recording Vegetation Version 4.0. Retrieved from http://www.nceep.net/business/monitoring/veg/datasheets.htm North Carolina Division of Water Resources (NCDWR). 2011. Surface Water Classifications. http://porta1.ncdenr.org/web/wq/ps/csu/classifications North Carolina Ecosystem Enhancement Program (NCEEP), 2009. Lower Yadkin Pee -Dee River Basin Restoration Priorities. https://ncdenr.s3.amazonaws.com/s3fs- public/Mitigation%20Services/PublicFolder/Work%20With/Watershed%20PIanners/Yadkin_Pee_De e_RBRP_2009_Final.pdf North Carolina Ecosystem Enhancement Program (NCEEP), Tetra Tech, CCoG, 2012. Goose Creek and Crooked Creek Local Watershed Plan. http://www.gooseandcrooked.org/documents/GooseandCrookedLWP-WMP_Final_7-2012.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. United States Army Corps of Engineers (USACE), 2003. Stream Mitigation Guidelines. USACE, NCDENR- DWQ, USEPA, NCWRC. United States Geological Survey (USGS), 1998. North Carolina Geology. http://www.geology.enr.state.nc.us/usgs/coastalp.htm Wildlands Engineering, Inc (2013). Crooked Creek #2 Restoration Project Final Mitigation Plan. NCEEP, Raleigh, NC. Crooked Creek #2 Restoration Project Baseline Monitoring Document and As -Built Baseline Report- FINAL 5-1 APPENDIX 1. General Tables and Figures L , Hydrologic Unit Code (14) NCDMS Targeted Local Watershed ark th East Project Location mundy Party. 03040 50100 0 2-4 03040105010070 Midland a, rye A %.,r\ VUllgrova titkr� "s it Park 03050103020050`: ZA. 'A i' 03050103020060 i 0 i dam. .. 03040105030010 (aG• 4 ei 46 !!, 718 :---_ i 03040105030020�`<i' i Goose ��reek <030401050500 / ✓ ` III,; Airport ®< stalling f '' 03040105040020 f4 — Fno onOnn7n The subject project site is an environmental restoration site of the North Carolina Department of Environmental Quality (DEQ) Division of Mitigation Services (NCDMS) and is encompassed by a recorded conservation easement, but is bordered 10 by land under private ownership. Accessing the site may require traversing areas near or along the easement boundary and therefore access by the general public is not permitted. Access by authorized personnel of state and federal agencies or their designees/contractors involved in the development, oversight,and stewardship of the restoration site is permitted within the terms and timeframes of their defined roles. Any intended site visitation or activity by any person outside of these previously sanctioned roles and activites requires prior coordination with NCDMS. WILDLANDS , 0 0.5 1 Mile ENGINEERING I I I ;N r�r ,� ' — UnTohvlll�'r 40 Directions to Site: From Charlotte,NC take US -74 East, take 27 East/Albemarle Road.Travel on Albemarle Road approxim ately 8 miles to Interstate 485. Take Interstate 485 South (Inner Loop) for approximately 3 miles to exit 44 for NC Highwaw 218 toward Mint Hill. Turn Left off ramp on to NC218 and follow for approximately 7 miles. The project site is located 0.85 miles after US 601/Concord Highway on the right hand side of the road. Munroe 03040105070020 Figure 1. Project Vicinity Map Crooked Creek #2 Restoration Project DMS Project No. 94687 Monitoring Year 0 - 2016 Union County, NC r• . ...: ,r• ;..;Conservation Easement Stream Restoration Stream Enhancement Non -Project Streams �f Ditch (former UT1 channel) Overflow Connector Non Project Streams Crooked Creek Reach Break Wetland Enhancement Zone A (Drained Hydric Soils) Wetland Enhancement Zone B •.�w Wetland Restoration Zone A (Drained Hydric Soils) Wetland Creation Zone B Goose Creek Riparian Buffer Enhancement Goose Creek Riparian Buffer Restoration I w I L D L A 1N D s ,` 0 200 400 Feet ENGINEERING .is Figure 2. Project Component/Asset Map Crooked Creek #2 Restoration Project DMS Project No. 94687 Monitoring Year 0 - 2016 Union County, NC Figure 3.0 Monitoring Plan View (Key) Crooked Creek #2 Restoration Project ��,; 0 125 250 500 Feet DMS Project No. 94687 rkt I i I i I Monitoring Year 0- 2016 WILDLANDS E NG, NEE R, NG Union County, NC Figure 3.1 Monitoring Plan View (Sheet 1) Crooked Creek #2 Restoration Project 0 25 50 100 Feet DMS Project No. 94687 rk� I i I i I Monitoring Year 0- 2016 WILDLANDS ENG, NEE R, NG Union County, NC Figure 3.2 Monitoring Plan View (Sheet 2) Crooked Creek #2 Restoration Project 0 25 50 100 Feet DMS Project No. 94687 rk� I i I i I Monitoring Year 0- 2016 WILDLANDS ENG, NEE R, NG Union County, NC Figure 3.3 Monitoring Plan View (Sheet 3) Crooked Creek #2 Restoration Project 0 25 50 100 Feet DMS Project No. 94687 rk� I i I i I Monitoring Year 0- 2016 WILDLANDS ENG, NEE R, NG Union County, NC Figure 3.4 Monitoring Plan View (Sheet 4) Crooked Creek #2 Restoration Project 0 25 50 100 Feet DMS Project No. 94687 rk� I i I i I Monitoring Year 0- 2016 WILDLANDS ENG, NEE R, NG Union County, NC Tor 41 AIM qp Elm -Y, 7. :...: � � • ;Conservation Easement — Stream Restoration Stream Enhancement Non Project Streams Existing Overflow Overflow Connector Crooked Creek Reach Break - - - Bankfull ® Wetland Enhancement Zone A (Drained Hydric Soils) Wetland Enhancement Zone B Wetland Restoration Zone A (Drained Hydric Soils) Wetland Creation Zone B Goose Creek Riparian Buffer Enhancement Goose Creek Riparian Buffer Restoration —Cross Section (XS) Q Vegetation Monitoring Plot 9� Groundwater Gage (GWG) + Barotroll + Rain Gage + Crest Gage (CG) f Photo Point (PP) Figure 3.5 Monitoring Plan View (Sheet 5) Crooked Creek #2 Restoration Project 0 25 50 100 Feet DMS Project No. 94687 rk� I i I i I Monitoring Year 0- 2016 WILDLANDS ENGINEERING Union County, NC 0 � K ►,.,,� , r � , Figure 3.5 Monitoring Plan View (Sheet 5) Crooked Creek #2 Restoration Project 0 25 50 100 Feet DMS Project No. 94687 rk� I i I i I Monitoring Year 0- 2016 WILDLANDS ENGINEERING Union County, NC Figure 3.6 Monitoring Plan View (Sheet 6) Crooked Creek #2 Restoration Project ��,; 0 50 100 200 Feet DMS Project No. 94687 1 I i I i I Monitoring Year 0- 2016 WILDLANDS ENG, NEE R, NG Union County, NC Table 1. Project Components and Mitigation Credits Crooked Creek rig Stream and Wetland Mitigation Site DMS Project No. 94687 Monitoring Year 0 - 2016 MITIGATIONCREDITS Nitrogen Phosphorous Stream Riparian Wetland Non -Riparian Wetland Buffer Nutrient Nutrient Offset Type R RE R RE R RE Totals 3,489.6 N/A 8.0 0.6 N/A N/A 1.3 N/A — — 3.= As -Built I Existing Footage/ Restoration or Restoration Restoration Footage/ Mitigation Credits ReachlD Stationing/ Approach Acreage Equivalent Acreage Ratio (SMU/ WMU) Location STREAMS Crooked Creek Reach A 1,555 LF N/A Enhancement II 1,555 2.5:1 622.0 200+00-228+29 Crooked Creek Reach B 2,404 LF N/A Enhancement II 2,404 2.5:1 961.6 UT1 100+00-117+18 1,762 LF P1 Restoration 1,718 1:1 1,718.0 UT2 300+00-305+60 470 LF N/A Enhancement II 470 2.5:1 188.0 WETLANDS Zone A (Drained Hydric N/A 0.7 AC Enhancement 0.7 2:1 0.4 Soils) Zone A (Drained Hydric N/A N/A Restoration 6.7 1:1 6.7 Soils) Zone B N/A 0.3 AC Enhancement 0.3 2:1 0.2 Zone B N/A N/A Creation 3.9 3:1 1.3 BUFFER Goose Creek Buffer N/A 0.6 AC Enhancement 0.6 3:1 0.2 Goose Creek Buffer N/A N/A Restoration 1.1 1:1 1.1 Table 2. Project Activity and Reporting History Crooked Creek #2 Stream and Wetland Mitigation Site DMS Project No. 94687 Monitoring Year 0 - 2016 Activity or Report Data Collection Complete Completion or Scheduled Delivery Mitigation Plan June 2011 August 2013 Final Design - Construction Plans August 2011 April 2014 Construction January 2015 - April 2015 January 2015 - April 2015 Temporary S&E mix applied to entire project area January 2015 - March 2015 January 2015 - March 2015 Permanent seed mix applied to reach/segments January 2015 - March 2015 January 2015 - March 2015 Bare root and live stake plantings for reach/segments January 2016 January 2016 Baseline Monitoring Document (Year 0) January - February 2016 May 2016 Year 1 Monitoring 2016 November 2016 Year 2 Monitoring 2017 November 2017 Year 3 Monitoring 2018 November 2018 Year 4 Monitoring 2019 November 2019 Year 5 Monitoring 2020 November 2020 Year 6 Monitoring 2021 November 2021 Year 7 Monitoring 2022 November 2022 'Seed and mulch is added as each section of construction is completed. Table 3. Project Contact Table Crooked Creek #2 Stream and Wetland Mitigation Site (NCDMS Project No. 94687) Monitoring Year 0 - 2016 Wildlands Engineering, Inc. Designer 1430 South Mint Street, Suite 104 Aaron Early, PE, CFM Charlotte, NC 28203 704.332.7754 North State Environmental, Inc. Construction Contractor 2889 Lowery Street Winston Salem, NC 27101 Keller Environmental Planting Contractor 7921 Haymarket Lane Raleigh, NC 27615 North State Environmental, Inc. Seeding Contractor 2889 Lowery Street Winston Salem, NC 27101 Seed Mix Sources Green Resource, LLC Nursery Stock Suppliers Dykes & Son Nursery Bare Roots 825 Maude Etter Rd. Live Stakes McMinnville, TN 37110 Monitoring Performers Wildlands Engineering, Inc. Kirsten Gimbert Monitoring, POC 704.332.7754, ext. 110 Table 4. Project Information and Attributes Crooked Creek #2 Stream and Wetland Mitigation Site DMS Project No. 94687 Monitoring Year 0 - 2016 PROJECT•' • Project NameCrooked Creek #2 Restoration Project County Union County Project Area (acres) 154.94 Project Coordinates (latitude and longitude; 34. 58' 54.78"N, 080° 31' 25.79"W PROJECT• SUMMARY INFORMATION Physiographic Province Carolina Slate Belt of the Piedmont Physiographic Province River Basin Yadkin USGS Hydrologic Unit 8 -digit 03040105 USGS Hydrologic Unit 14 -digit 03040105040010 DWR Sub -basin 03-07-12 Project Drainiage Area (acres) 24,619 Project Drainage Area Percentage of Impervious Area 28% CGIA Land Use Classification Agriculture 38%, Forested 29%, Developed 28%, Wetlands 3%, and Herbaceous Upland 291 Crooked Creek Crooked Creek Parameters UTI LITZ Reach A Reach B Length of reach (linear feet) - Post -Restoration 1,555 2,404 1,718 195 275 Drainage area (acres) 24,619 153 51 NCDWR stream identification score 52 34.5 24.5 38 NCDWR Water Quality Classification C Morphological Desription (stream type; P P P I P N/A N/A Stage III Stage IV Evolutionary trend (Simon's Model) - Pre- Restoration Chewacala silt loam 0- Chewacala silt loam 0- Chewacala silt loam 0- Underlying mapped soils Bodin channery silt loam 8-15% slopes (BaC) 2% slopes (ChA) 2% slopes (ChA) 2% slopes (ChA) Somewhat poorly Somewhat poorly Somewhat poorly Drainage class draineddrained drained Well drained Soil hydric status Type B (inclusions) Type B (inclusions) Type B (inclusions) N/A Slope 0.0022 0.0047 0.0050 no regulated Zone AE Zone AE no regulated floodplain FEMA classification floodplain Native vegetation community Piedmont Bottomland forest Percent composition exotic invasive vegetation -Post-Restoratior 5% 5% 60% 5% • ' • • • Supporting Documentation Regulation Applicable? Resolved? Waters of the United States - Section 404 X X USAGE Nationwide Permit No.27 and DWQ 401 Water Quality Certification No. 3885. Waters of the United States - Section 401 X X Action ID # 2011-02201 NPDES Construction Stormwater General Division of Land Quality (Erosion and Sediment Control) X X PermitNCG010000 Crooked Creek #2 Mitigation Plan; Wildlands determined "no effect" on Union Endangered Species Act X X County listed endangered species. June 21, 2011 email correspondence from USFWS indicating no listed species occur on site. No historic resources were found to be Historic Preservation Act X X impacted (letter from SHPO dated 6/23/2011). Coastal Zone Management Act (CZMA)/Coastal Area Management Act N/A N/A N/A (LAMA) Crooked Creek is a mapped Zone AE floodplain with defined base flood elevations. Base flood elevations have been FEMA Floodplain Compliance X X defined and the floodway has been delineated; (FEMA Zone AE, FIRM panel 5540). Essential Fisheries Habitat N/A N/A N/A Table S. Monitoring Component Summary Crooked Creek #2 Stream and Wetland Mitigation Site DMS Project No. 94657 Monitoring Year 0 - 2016 Parameter Monitoring Feature Crooked Creek Reach A Quantity / Length by Reach Crooked Creek Reach B UTl UT2 Wetlands Frequency Dimension Riffle Cross -Section N/A N/A 2 N/A N/A Annual Pool Cross -Section N/A N/A 2 N/A N/A Pattern Pattern N/A N/A N/A N/A N/A N/A Profile Longitudinal Profile N/A N/A N/A N/A N/A Year Substrate Reach Wide/ Riffle 100 Pebble Count N/A N/A 1/2 N/A N/A Annual Hydrology Crest Gage 1 1 1 N/A Quarterly Hydrology Groundwater Gages N/A N/A N/A N/A 10 Quarterly Vegetation Vegetation Plots 12 Annual Visual Assessment All Streams Y Y Y Y Y Semi -Annual Exotic and nuisance vegetation Semi -Annual Project Boundary Semi -Annual Reference Photos Photo Points 34 Annual APPENDIX 2. Morphological Summary Data and Plots Table 6. Baseline Stream Data Summary Crooked Creek #2 Stream and Wetland Mitigation Site DMS Project No. 94687 Monitoring Year 0 - 2016 UT1 SC: Silt/Clay <0.062 mm diameter particles ( --- ): Data was not provided N/A: Not Applicable N/Ai: The rosgen classification system is for natural streams. These channels have been heavily manipulated by man and therefore the Rosgen classification system is not applicabl N/A z: Donstream of the confluence with overflow channel, hydraulic regime not applie( *: Channel was dry during survey, slope was calculated using channel thalwei PRE -RESTORATION CONDITIONDATA Parameter Gage UTI Reach 1 UT1 Reach 2 UT to Lyle Creek Spencer Creek 1 UT1 UT1 Min Max Min Max Min Max Min I Max Min Max Min Max Dimension and Substrate - Shallow Bankfull Width (ft) N/A 1 17.7 10.9 7.0 8.6 8.7 12.0 11.7 12.6 Floodprone Width (ft) 500 539 45 49 229 44+ 83+ 89+ Bankfull Mean Depth 0.5 0.7 0.5 1.2 0.7 0.6 Bankfull Max Depth 1.3 1.0 1.0 1.1 1.9 1.0 1.1 Bankfull Cross-sectional Area ftZ 8.6 7.8 3.5 4.1 10.6 8.7 7.3 7.5 Width/Depth Ratio 36.4 15.3 14.9 18.3 7.3 16.6 18.9 21.1 Entrenchment Ratio 28.2 49.3 5.7 6.4 26.3 2.2+ 2.2+ Bank Height Ratio 1.4 2.9 0.6 0.9 1.0 1.0 1.0 D50 (mm) 3.1 --- 0.3 35.9 Riffle Length (ft) --- --- --- 12 50 Riffle Slope (ft/ft) * 0.0055 1 0.0597 0.0100 0.0670 0.0045 1 0.0080 0.0004 0.0193 Pool Length (ft) --- --- --- 17.8 65.4 Pool Max Depth (ft) N/A 0.76 1.27 0.76 1.27 1.3 2.5 1.5 2.1 1.1 3.0 Pool Spacing (ft) 20 74 20 74 15 28 13 47 42 84 36 99 Pool Volume(ft') Pattern Channel Beltwidth (ft) --- 115 543 21 24 52 30 72 30 72 Radius of Curvature (ft) 61.2 170.6 61.2 170.6 19 32 5 22 22 48 22 48 Rc:Bankfull Width (ft/ft) N/A 3.5 9.6 3.5 9.6 2.7 3.7 0.6 2.5 1.8 4.0 1.8 4.0 Meander Length (ft) --- 163 400 39 44 54 196 72 132 102 135 Meander Width Ratio --- 10.5 49.7 2.4 3 2.8 6.0 2.5 6.0 2.5 6.0 Substrate, Bed and Transport Parameters Ri%/Ru%/P%/G%/S% SC%/Sa%/G%/C %/B%/Be% d16/d35/d50/d84/d95/d100 -/-/3.1/8.6/11.0/16.0 -/0.1/0.2/0.5/4.0/8.0 0.1/3.0/8.8/77/180/- SC/SC/0.1/19/90/256 Reach Shear Stress (Competency) lb/ft 2 N/A --- --- 0.012 0.11 0.12 Max part size (mm) mobilized at bankfull Stream Power (Capacity) W mZ Additional Reach Parameters Drainage Area (SM) N/A 0.24 N/A 0.25 0.50 0.24 0.24 Watershed Impervious Cover Estimate (%) <1% <1% --- --- <1% <1% Rosgen Classification N/A' N/A' C5/6 E4/C4 C4 C4 Bankfull Velocity (fps) 3.5 4.1 4.7 --- 3.4 2.2 Bankfull Discharge (cfs) 30 N/Az 18 --- 30 16 Q-NFF regression (2 -yr) 50 N/AZ Q-USGS extrapolation (1.2 -yr) 17 1 40 N/Az Q. -Mannings 24 N/Az Valley Length (ft) --- --- --- --- 1,353 1,353 Channel Thalweg Length (ft) 1,789 --- --- 1,718 1,718 Sinuosity 1.0 1.5 1.1 1.1 1.3 1.3 Water Surface Slope (ft/ft)' 1 0.0071 0.0034 0.004 0.0132 0.0032 0.0034 Bankfull Slope (ft/ft) 1 0.0066 0.0058 0.009 0.0139 0.0041 0.0036 SC: Silt/Clay <0.062 mm diameter particles ( --- ): Data was not provided N/A: Not Applicable N/Ai: The rosgen classification system is for natural streams. These channels have been heavily manipulated by man and therefore the Rosgen classification system is not applicabl N/A z: Donstream of the confluence with overflow channel, hydraulic regime not applie( *: Channel was dry during survey, slope was calculated using channel thalwei Table 7. Morphology and Hydraulic Summary (Dimensional Parameters - Cross -Section) Crooked Creek #2 Stream and Wetland Mitigation Site DMS Project No. 94687 Monitoring Year 0 - 2016 Dimension and Substrate Base MY1 MY2 MY3 MY4 MY5 Base MY1 MY2 MY3 MY4 MY5 Base MY1 MY2 MY3 MY4 MY5 Base MY1 MY2 MY3 MY4 MY5 based on fixed bankfull elevation 541.8 542.1 539.7 539.8 Bankfull Width (ft) 13.3 11.7 12.6 12.6 Floodprone Width (ft) --- 200+ --- 200+ Bankfull Mean Depth (ft) 0.7 0.6 1.0 0.6 Bankfull Max Depth (ft) 1.5 1.1 2.4 1.1 Bankfull Cross -Sectional Area (ft) 8.7 1 7.3 12.6 7.5 Bankfull Width/Depth Ratio 20.4 18.9 12.721.1 Bankfull Entrenchment Ratio --- 2.2+ 11.9 Bankfull Bank Height Ratio 1.0 1 1.0 1.0 1.0 Longitudinal Profile Plots Crooked Creek #2 Stream and Wetland Mitigatin Site (DMS Project No. 94687) Monitoring Year 0 - 2016 UTI (STA 100+00 - 117+181 548 547 546 545 544 v 543 c ° 542 w 541 540 539 538 10500 10550 10600 1 X I 1 I 1 I ♦ ♦ M'� A r' : ! t ♦♦ ♦ ♦ ♦ ♦ ♦ ♦ ---------------------- -----A AL IA A --------------------------------------- -- - - • • - I I 1 I 10650 10700 10750 10800 10850 10900 10950 11000 Station (feet) t TW (MYO-01/2016)------- WSF (MYO-01/2016) LBKF/LTOB (MYO-01/2016) a RBKF/RTOB (MYO-01/2016) O STRUCTURE (MYO-01/2016) 548 547 546 ♦ • 545 .: 544 _-_ A L • y M w - ----- ♦ • -""---' t ♦• • — 543 --------------------------- — -- • �► 542 '- ---------------------- ----- a W 541 540 539 538 10000 10050 10100 10150 10200 10250 10300 10350 10400 10450 10500 Station (feet) t TW (MYO-01/2016) --- WSF (MYO-01/2016) LBKF/LTOB (MYO-01/2016) ♦ RBKF/RTOB (MYO-01/2016) O STRUCTURE (MYO-01/2016) 548 547 546 545 544 v 543 c ° 542 w 541 540 539 538 10500 10550 10600 1 X I 1 I 1 I ♦ ♦ M'� A r' : ! t ♦♦ ♦ ♦ ♦ ♦ ♦ ♦ ---------------------- -----A AL IA A --------------------------------------- -- - - • • - I I 1 I 10650 10700 10750 10800 10850 10900 10950 11000 Station (feet) t TW (MYO-01/2016)------- WSF (MYO-01/2016) LBKF/LTOB (MYO-01/2016) a RBKF/RTOB (MYO-01/2016) O STRUCTURE (MYO-01/2016) Longitudinal Profile Plots Crooked Creek #2 Stream and Wetland Mitigatin Site (DMS Project No. 94687) Monitoring Year 0 - 2016 UTI (STA 100+00 - 117+181 540 539 538 537 536 v 535 c ° S34 w 533 532 531 530 11500 11550 11600 TW (MYO-01/2016) 11650 11700 WSF (MYO-01/2016) 11750 11800 11850 Station (feet) LBKF/LTOB (MYO-01/2016) s RBKF/RTOB (MYO-01/2016) 11900 11950 12000 0 STRUCTURE (MYO-01/2016) 545 2 x 1 v 1 544 1 543 — 1 1 542 y • ! 1 1 ,;-,z 541 --- ` At At - • •• • 2 ! A I 1 ---___ __ -'------------------ 540 If, '"-i----------------- ----------------'---- •• ! 539 I--'----_ w------------------- M 538 1 1 537 1 1 536 1 1 535 11000 11050 11100 11150 11200 11250 11300 11350 11400 11450 11500 Station (feet) —a TW (MYO-01/2016)------- WSF (MYO-01/2016) LBKF/LTOB (MYO-01/2016) ♦ RBKF/RTOB (MYO-01/2016) O STRUCTURE (MYO-01/2016) 540 539 538 537 536 v 535 c ° S34 w 533 532 531 530 11500 11550 11600 TW (MYO-01/2016) 11650 11700 WSF (MYO-01/2016) 11750 11800 11850 Station (feet) LBKF/LTOB (MYO-01/2016) s RBKF/RTOB (MYO-01/2016) 11900 11950 12000 0 STRUCTURE (MYO-01/2016) Cross Section Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 Cross Section 1-UT3 107+88 Pool 544 13.3 width (ft) 0.7 mean depth (ft) 1.5 max depth (ft) 13.9 wetted perimeter (ft) 0.6 hydraulic radius (ft) 20.4 width -depth ratio 543 542 c 0 541 v w 540 539 0 10 20 30 40 50 60 70 80 90 Width (ft) +MYO (1/2016) —Bankfull Bankfull Dimensions 8.7 x -section area (ft.sq.) 13.3 width (ft) 0.7 mean depth (ft) 1.5 max depth (ft) 13.9 wetted perimeter (ft) 0.6 hydraulic radius (ft) 20.4 width -depth ratio Survey Date: 1/2016 Field Crew: Wildlands Engineering View Downstream Cross Section Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 Cross Section 2-UT1 108+32 Riffle 544 11.7 width (ft) 0.6 mean depth (ft) 1.1 543 12.0 — 0.6 hydraulic radius (ft) 542 ---- __ 150.0 — 12.8 entrenchment ratio 1.0 low bank height ratio c 541 v w 540 539 0 10 20 30 40 50 60 70 80 90 Width (ft) +MYO (1/2016) —Bankfull—Flood prone Area Bankfull Dimensions 7.3 x -section area (ft.sq.) 11.7 width (ft) 0.6 mean depth (ft) 1.1 max depth (ft) 12.0 wetted perimeter (ft) 0.6 hydraulic radius (ft) 18.9 width -depth ratio 150.0 W flood prone area (ft) 12.8 entrenchment ratio 1.0 low bank height ratio Survey Date: 1/2016 Field Crew: Wildlands Engineering View Downstream Cross Section Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 Cross Section 3-UT1 114+01 Pool x -section area (ft.sq.) 541 width (ft) 1.0 mean depth (ft) 2.4 max depth (ft) 14.4 wetted perimeter (ft) 0.9 hydraulic radius (ft) 12.7 width -depth ratio 540 539 c 0 538 v w 537 536 0 10 20 30 40 50 60 70 80 90 Width (ft) +MYO (1/2016) —Bankfull Bankfull Dimensions 12.6 x -section area (ft.sq.) 12.6 width (ft) 1.0 mean depth (ft) 2.4 max depth (ft) 14.4 wetted perimeter (ft) 0.9 hydraulic radius (ft) 12.7 width -depth ratio Survey Date: 2/2016 Field Crew: Wildlands Engineering View Downstream Cross Section Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 Cross Section 4-UT1 114+34 Riffle 542 541 540 c 539 v w 538 537 0 10 20 30 40 50 60 70 80 90 Width (ft) +MYO (1/2016)—Bankfull—Flood prone Area Bankfull Dimensions 7.5 x -section area (ft.sq.) 12.6 width (ft) 0.6 mean depth (ft) 1.1 max depth (ft) 13.0 wetted perimeter (ft) 0.6 hydraulic radius (ft) 21.1 width -depth ratio 150.0 W flood prone area (ft) 11.9 entrenchment ratio - 1.0 low bank height ratio Survey Date: 2/2016 Field Crew: Wildlands Engineering View Downstream Reachwide and Cross Section Pebble Count Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 UT1, Reachwide Particle Class Diameter (mm) min max Particle Count Riffle Pool Total Reach Summary Class Percent Percentage Cumulative Silt/Clay Silt/Clay 0.000 0.062 17 22 39 39 39 D100 = Very fine 0.062 0.125 S 13 18 18 57 Fine 0.125 0.250 3 7 10 10 67 Medium 0.25 0.50 3 1 4 4 71 Coarse 0.5 1.0 1 1 2 2 73 v Very Coarse 1.0 2.0 5 50 1 1 1 74 Very Fine 2.0 2.8 E U= 40 40 74 Very Fine 2.8 4.0 2 3 5 5 79 Fine 4.0 5.6 1 1 2 2 81 20 Fine 5.6 8.0 1 1 1 82 20 Medium 8.0 11.0 82 Medium 11.0 16.0 1 0 1 1 83 Coarse 16.0 22.6 2 oti by ,yh h 00 oy o o' 2 2 85 Particle Class Size (mm) •MYO-01p— Coarse 22.6 32 3 3 1 3 88 Very Coarse 32 45 4 4 4 92 Very Coarse 45 64 2 2 2 94 Small 64 90 1 1 1 95 Small 90 128 95 Large 128 180 1 1 1 96 Large 180 256 4 1 4 4 100 Small 256 362 100 Small Medium 362 512 512 1024 100 100 Large/Very Large 1024 2048 100 Bedrock 2048 >2048 100 Total 50 s0 100 100 100 UT1, Reachwide Reachwide Channel materials (mm) Dib = Silt/Clay D35= Silt/Clay D50 = 0.1 D80. = 19.0 D95 = 90.0 D100 = 256.0 UT1, Reachwide Pebble Count Particle Distribution UTI, Reachwide 100 Individual Class Percent 100 90 SiIOCIay avel bbl, er 80 80 aro 2° 70 oor j 60 v u 60 v 5 50 o 50 E U= 40 40 U 45 30 30 m 3 a u 20 20 10 pd 0 oti by ,yh h 00 oy o o' ti ti ro � o � yti do � 3ti a5 6a �o tiro �0 5o eti titi tio: aro e`° ti' S' titi' ti ti ti 3 5 do ,yo �o Particle Class Size (mm) •MYO-01p— 10 0 0.01 0.1 1 10 100 1000 10000 Particle Class Size (mm) UTI, Reachwide Individual Class Percent 100 90 80 70 v u 60 v o 50 40 U 30 m 3 20 10 0 oti by ,yh h 00 oy o o' ti ti ro � o � yti do � 3ti a5 6a �o tiro �0 5o eti titi tio: aro e`° ti' S' titi' ti ti ti 3 5 do ,yo �o Particle Class Size (mm) •MYO-01p— Reachwide and Cross Section Pebble Count Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 UT1, Cross Section 2 Particle Class Diameter (mm) min max Riffle 100- Count Class Percentage Summary Percent Cumulative Di5 = Silt/Clay 0.000 0.062 32 32 32 10.2 Very fine 0.062 0.125 6 6 38 Fine 0.125 0.250 12 12 50 80 Medium 0.25 0.50 12 12 62 Coarse 0.5 1.0 6 6 68 Very Coarse 1.0 2.0 ° 68 Very Fine 2.0 2.8 oo 68 Very Fine 2.8 4.0 8 8 76 m 3 Fine 4.0 5.6 12 12 88 Fine 5.6 8.0 4 4 92 Medium 8.0 11.0 4 4 96 Medium 11.0 16.0 2 2 98 Coarse 16.0 22.6 98 Y 30 Coarse 22.6 32 98 Very Coarse 32 45 y 98 Very Coarse 45 64 98 Small 64 90 20 98 Small 90 128 98 Large 128 180 1 a 98 Large 180 256 2 2 100 Small 256 362 100 HHHHHHHH2222:: 1111111 :::::::::::::::::::::::::::::::::::::::::....... Small Medium Large/Very Large 362 512 1024 512 1024 2048 100 100 100 Bedrock 2048 >2048 30 100 Total 100 100 100 UTI, Cross Section 2 Pebble Count Particle Distribution 90 Cross Section 2 Channel materials (mm) D16 = Silt/Clay Di5 = 0.09 D50 = 0.3 D84 = 5.0 D95 = 10.2 D100 = 256.0 UTI, Cross Section 2 Pebble Count Particle Distribution 90 SiltlClay UTI, Cross Section 2 avel Individual Class Percent 100 90 bble er gp 80 a ro 70 d � d 60 ° j 60 50 oo m U 40 -23 50 m 3 30 20 10 E _ 0 °�ti ytih by oh o• o• °' ti ti ti� b y6O W yti ,y10 ti� ,0'L by 6b �O ,ti41 �O y6 bti yti ,tib b0 q0 ti ti ti ti � 5 do ,tio bo i? 40 Y 30 y 20 a 30 LIAM 0 0.01 0.1 1 10 100 1000 10( Particle Class Size (mm) t MY0 01/2016 UTI, Cross Section 2 Individual Class Percent 100 90 80 70 d � d 60 ° 50 m U 40 m 3 30 20 10 _ 0 °�ti ytih by oh o• o• °' ti ti ti� b y6O W yti ,y10 ti� ,0'L by 6b �O ,ti41 �O y6 bti yti ,tib b0 q0 ti ti ti ti � 5 do ,tio bo Particle Class Size (mm) - MY -1/2016 Reachwide and Cross Section Pebble Count Plots Crooked Creek #2 Stream and Wetland Mitigation Site (DMS Project No. 94687) Monitoring Year 0 - 2016 UT1, Cross Section 4 0- Individual Class Percent 60 Diameter (mm) Riffle 100- Channel materials (mm) Summary 13.27 Das = 24.12 Particle Class 35.9 Class Percent Dss = 190.9 Count UTI, Cross Section 4 Silt/Clay min max 0.000 0.062 2 Percentage 2 Cumulative 2 Pebble Count Particle Distribution Very fine 0.062 0.125 2 100 Fine 0.125 0.250 2 90 SilttClay avel bble er Medium 0.25 0.50 2 80 a ro Coarse 0.5 1.0 2 70 Very Coarse 1.0 2.0 2 j 60 Very Fine 2.0 2.8 2 50 Very Fine 2.8 4.0 2 E Fine 4.0 5.6 2 2 4 i? 40 Fine 5.6 8.0 4 4 8 Y y 30 Medium 8.0 11.0 2 2 10 a 20 ti W ye titi� ,0'L by Medium 11.0 16.0 12 12 22 30 Coarse 16.0 22.6 10 10 32 Coarse 22.6 32 16 16 48 0 Small 256 362 100 0.01 0.1 1 10 100 1000 10000 Very Coarse 32 45 6 6 54 2048 >2048 100 Total 100 Particle Class Size (mm) Very Coarse 45 64 14 14 68 Small 64 90 14 14 82 t MY -1/2016 Small 90 128 6 6 88 Large 128 180 6 6 94 Large 180 256 6 6 100 UTI, Cross Section 4 Individual Class Percent 60 Cross Section 4 Channel materials (mm) D16 = 13.27 Das = 24.12 Dso = 35.9 D84 = 101.2 Dss = 190.9 �ti 't, by oh ti W ye titi� ,0'L by Small 256 362 100 Small Medium iiiiiii Large/Very Large :::::::::::::::::::::::::::::::::::::::::....... 362 512 1024 512 1024 2048 100 100 100 Bedrock 2048 >2048 100 Total 100 100 10 0 50 u Cross Section 4 Channel materials (mm) D16 = 13.27 Das = 24.12 Dso = 35.9 D84 = 101.2 Dss = 190.9 100 90 80 � 70 d � d °• m 40 m 30 20 ,o 10 _ 0 ° ti ti� b y6O yti �O ,ti4� yti ,tib b0 o• o• °' ti ti �O ti y6 �bti 5 do ,tio boq0 Particle Class Size (mm) _ MYO-01/3016 �ti 't, by oh ti W ye titi� ,0'L by Stream Photographs Photo Point 1— looking upstream (02/22/2016) 1 Photo Point 1— looking downstream (02/22/2016) 1 Photo Point 2 — looking upstream (02/22/2016) 1 Photo Point 2 — looking downstream (02/22/2016) Photo Point 3 — looking upstream (02/22/2016) 1 Photo Point 3 — looking downstream (02/22/2016) Photo Point 4 — looking upstream (02/22/2016) 1 Photo Point 4 — looking downstream (02/22/2016) 1 Photo Point 5 — looking upstream (02/22/2016) 1 Photo Point 5 — looking downstream (02/22/2016) Photo Point 6 — looking upstream (02/22/2016) 1 Photo Point 6 — looking downstream (02/22/2016) 07 OFF, LA. Photo Point 10 — looking upstream (02/22/2016) 1 Photo Point 10 — looking downstream (02/22/2016) 1 Photo Point 11— looking upstream (02/22/2016) 1 Photo Point 11— looking downstream (02/22/2016) Photo Point 12 — looking upstream (02/22/2016) 1 Photo Point 12 — looking downstream (02/22/2016) Photo Point 13 — looking upstream (02/22/2016) 1 Photo Point 13 — looking downstream (02/22/2016) 1 Photo Point 14 — looking upstream (02/22/2016) 1 Photo Point 14 — looking downstream (02/22/2016) Photo Point 15 — looking upstream (02/22/2016) Photo Point 15 — looking downstream (02/22/2016) Photo Point 16 — looking upstream (02/22/2016) 1 Photo Point 16 — looking downstream (02/22/2016) 1 Photo Point 17 — looking upstream (02/22/2016) 1 Photo Point 17 — looking downstream (02/22/2016) Photo Point 18 — looking upstream (02/22/2016) 1 Photo Point 18 — looking downstream (02/22/2016) v _a Photo • • • • • /22/2016)p i M ra "t r l,ld ARS➢pi j� • �"� �l n �' .e' _ ;P fir`♦ =r �� �► a. Photo Point 22 — looking downstream (02/22/2016) IF 0 M ra "t r l,ld OR�j .S„''r, h ri "I a c Photo '• . — looking upstream1 1 . • • Point 26 — looking •• (02/22/2016) q t a, k P A fti'tl# Sig r Photo Point 28 — looking upstream (02/22/2016) 1 Photo Point 28 — looking downstream (02/22/2016) 1 I Photo Point 29 — looking upstream (02/22/2016) 1 Photo Point 29 — looking downstream (02/22/2016) Photo Point 30 — looking downstream to UT2 (02/22/2016) Photo Point 31— looking upstream Crooked Creek (02/22/2016) 1 Photo Point 31— looking downstream (02/22/2016) 1 Photo Point 31— looking upstream UT2 (02/22/2016) APPENDIX 3. Vegetation Plot Data Table 8. Planted and Total Stem Counts Crooked Creek #2 Stream and Wetland Mitigatin Site DMS Project No. 94687 Monitoring Year 0 - 2016 Current Plot Data (MY0 2016) Scientific Name Common Name Species Type Vegetation Plot 1 PnoLSFP-all T Vegetation Plot 2 PnoLS P -all T Vegetation Plot 3 PnoLS P -all T Vegetation Plot 4 PnoLS P -all T Vegetation Plot 5 PnoLS P -all T Vegetation Plot 6 PnoLS P -all T Vegetation Plot 7 PnoLS P -all T Acer negundo Box Elder Tree 4 Acer rubrum Red Maple Tree 1 1 1 3 3 3 Betula nigra River Birch, Red Birch Tree 3 3 3 3 3 3 Cornus florida Flowering Dogwood Shrub Tree Carpinus caroliniana Ironwood Tree Diospyros virginiana American Persimmon, Tree 3 3 3 6 6 6 3 3 3 Fraxinus pennsylvanica Green Ash, Red Ash Tree 1 4 19 4 12 Juglans nigra Black Walnut Tree Liquidambar styraciflua Sweet Gum, Red Gum Tree 1 1 Liriodendron tulipifera Tulip poplar Tree Nyssa sylvatica ISour Gum, Black Gum, lTree 1 1 1 1 1 1 2 2 2 Platanus occidentalis Sycamore, Plane -tree Tree 5 5 5 3 3 3 1 1 1 4 4 4 Quercus sp. Oak Tree 7 7 7 5 5 5 2 2 2 4 4 4 7 7 7 Taxodium distichum Bald -cypress Tree 1 6 1 6 610 10 10 Ulmusalata Winged Elm Tree Stem count 17 1 17 17 12 12 14 6 6 10 12 12 12 10 10 29 11 11 15 12 12 29 size (ares) 1 1 1 1 1 1 1 size (ACRES) 0.02 0.02 0.02 0.02 0.02 0.02 0.02 Species count 5 5 5 4 4 6 1 1 2 4 4 4 1 1 2 3 3 4 3 3 6 Stems per ACREJ 688 1 688 688 486 486 567 243 405 486 486 486 1 405 1 405 1 11741 445 1 445 1 607 I 486 486 1174 Color For Density Exceeds requirements by 10% Exceeds requirements, but by less than 10% Fails to meet requirements, by less than 10% Fails to meet requirements by more than 10. Volunteer species included in total PnoLS: Number of Planted stems excluding live stakes P -all: Number of planted stems including live stakes T: Total Stems Table 8. Planted and Total Stem Counts Crooked Creek #2 Stream and Wetland Mitigatin Site DMS Project No. 94687 Monitoring Year 0 - 2016 Current Plot Data (MYO 2016) 1 Annual Summary Scientific Name Common Name Species Type Vegetation Plot 8 PnoLS P -all T Vegetation Plot 9 PnoLS P -all T Vegetation Plot 30 PnoLS P -all T Vegetation Plot 11 PnoLS P -all T Vegetation Plot 12 PnoLS P -all T MYO (2016) PnoLS P -all T Acernegundo Box Elder Tree 13 17 Acer rubrum Red Maple Tree 3 3 3 7 7 7 14 14 14 Betula nigra River Birch, Red Birch Tree 2 2 2 1 1 1 3 3 3 5 5 5 1 1 1 18 18 18 Cornus florida Flowering Dogwood Shrub Tree 2 2 Carpinus caroliniana Ironwood Tree 1 1 6 6 6 6 6 6 Diospyros virginiana American Persimmon, Tree 7 7 7 4 4 4 4 4 4 27 27 27 Fraxinus pennsylvanica Green Ash, Red Ash Tree 5 45 Juglans nigra Black Walnut Tree 1 1 Liquidambar styraciflua Sweet Gum, Red Gum Tree 2 4 Liriodendron tulipifera Tulip poplar Tree 2 2 Nyssa sylvatica Sour Gum, Black Gum, Tree 1 1 1 2 2 2 7 7 1 7 Platanus occidentalis Sycamore, Plane -tree Tree 2 2 2 1 15 15 16 Quercus sp. Oak Tree 4 4 4 4 4 4 5 5 5 12 12 12 3 3 3 53 53 53 Taxodium distichum Bald -cypress Tree I 1 1 16 16 16 Ulmus alata Winged Elm ITree I I I 1 1 1 Stem count 19 19 20 16 16 17 14 14 19 17 1 17 1 17 SO 1 10 1 30 156 156 229 size (ares) 1 1 1 1 1 12 size (ACRES)l 0.02 0.02 0.02 0.02 0.02 0.30 Species countl 6 1 6 1 7 1 4 4 5 4 1 4 1 5 2 1 2 1 2 3 1 3 1 8 8 8 15 Stems per ACREJ 769 1 769 1 809 1 647 1 647 688 1 567 1 567 1 769 688 1 688 1 688 405 1 405 1 1214 1 526 1 526 1772 Color For Density Exceeds requirements by 10% Exceeds requirements, but by less than 10% Fails to meet requirements, by less than 10% Fails to meet requirements by more than 10% Volunteer species included in total PnoLS: Number of Planted stems excluding live stakes P -all: Number of planted stems including live stakes T: Total Stems Vegetation Photographs "MIS f Vegetation Plot 7 — (02/17/2016) 1 Vegetation Plot 8 — (02/17/2016) 1 Vegetation Plot 9 — (02/17/2016) 1 Vegetation Plot 10 — (02/17/2016) 1 Vegetation Plot 11— (02/22/2016) 1 Vegetation Plot 12 — (02/17/2016) APPENDIX 4. Baseline Wetland Photo Documentation Wetland Photographs Photo Point 30 —Wetland CC outlet upstream (02/22/2016) 1 Photo Point 30 —Wetland CC outlet downstream (02/22/2016) 1 Photo Point 32— overview upstream at Wetland AA (02/22/2016) 1 Photo Point 32 — overview downstream at Zone A (02/22/2016) 1 Photo Point 33 — overview upstream at Zone A & B (02/22/2016) 1 Photo Point 33 - overview downstream at Zone B (02/22/2016) 1 APPENDIX 5. Record Drawings Crooked Creek #2 Restoration Project Union County, forth Carolina for NCDENR Division of Mitigation Services Vicinity Map Not to Scale BEFORE YOU OIOI CALL 1-800-632-4949 N.C. ONE -CALL CENTER ITS THE LAWI RECORD DRAWINGS ISSUED JULY 15, 2015 Sheet Index Cover Sheet 0.1 Project Overview 0.2 General Notes and Symbols 0.3 Typical Sections 1,1 Strewn Plan and Profile 2.1-', .6 Project Directory Engineering; Willelllaanels Engineering, lane License No. ]F-0831 1430 South Mint Street Suite 104 Charlotte, NC 28203 Aaron S. Earley, PE 704-332-7754 Owner: NCDENR Division of Mitigation Services 1652 Mail Service Center Raleigh, NC 27699-1652 a 91 01 Q Lr A�nonMo zZv��M� �1zAUF:�E C R�li 2� pFiSSiOy;Y.s �-)s-►s Q b e+Z U ® 4-1 V U °3 � eb �1 a� a� C62 IS 2.1 'TEMPORARY CONSTRUCITON / EASEMENT ACCESS EASEMENT 1 1 x H0 !.2 UTI EXISTING UTI P O O ED I 12` —1--, , OHE — I I PROPOSED INVASIVI SPECIES TREATMEN \ OHE \ \ OHE \ \ \ \ m \ LEGEND \\ \ Conservation Easement — CE — CE CE \ Property Line — — — — - \\ \\ Existing Centerline \ Dirt Road \——————— — — \\ Overhead Electric .'G OHE m OHE _. \ Existing Fence x x I Existing Wetlands ............... / / \ Proposed Permanent Wetland Seeding. I I PROPOSED WETLANDS A. HEET 3.2 roposed Permanent Riparian Seeding dditional Invasive Species Treatment Area Change Order No.2) 11 11 11 11 \\`aJ \ oyF V 0' 150' 300' 450' (HORIZONTAL) 7 u im General Construction Notes for all Reaches All erosion and sediment control practices shall comply with the North Carolina Erosion and Sediment Control Planning and Design Manual 1) Contractor will install pump -around systems to divert flow while working in live, flowing channels. The Contractor shall operate and maintain the pump -around system 24 hours a day unless all disturbed areas within the pump -around work area can be stabilized by the end of the work day. Contractor shall not remove pump -around systems and advance to the next work area until the current work area is completed and stabilized. 2) No material from the off-line proposed stream channel excavation many be backfilled into the adjacent existing stream channel until the newly -constructed proposed stream section is completed, stabilized, and the stream flow has been diverted into it, not even if that section of old/ existing stream is being pumped. 3) In areas without a pump -around system, Contractor shall disturb only as much channel bank as can be stabilized with temporary seeding, mulch and erosion control matting by the end of each work day. 4) When crossing an active section of new or old stream channel, a Timber Mat shall be installed according to the details and specifications. 5) All graded areas with slopes steeper than 3:1 will be stabilized within seven working days. All other areas will be stabilized within 14 days. 6) Locations for staging and stockpile areas and stream crossings have been provided on the Plans. Additional or alternative staging and/or stockpile areas and stream crossings may be used by the Contractor provided that all practices comply with the North Carolina Erosion and Sediment Control Planning and Design manual and are approved by the Engineer prior to implementation. 7) Various types of constructed riffles are specified on the plans. Contractor shall build the specific types of constructed riffles at locations shown on the plans. Changes in constructed riffle type must be approved by the Engineer. 8) Contractor is to make every effort to avoid damaging or removing existing trees. 9) Under no circumstances will the Contractor exceed the limits of disturbance shown on the plans. The Crooked Creek #2 Restoration Project construction will follow the construction sequence protocol as described below, unless otherwise noted. Initial Site Preparation 10) Contact North Carolina "ONE CALL' Center (1.800.632.4949) before any excavation. 11) Contact Land Quality (704-663-1699) before any work begins on the project and notify them of the start date. 12) Mobilize equipment and materials to the Site. 13) Identify and establish construction entrance, staging and stockpile areas, haul roads, silt fencing, tree protection fencing and temporary stream crossings as indicated on the Plans for work areas. Note: all construction traffic will enter the site from the construction entrance show on the Plans at NC Highway 218. 14) All haul roads shall be monitored for sediment loss on a daily basis. In the event of sediment loss, silt fence or other acceptable sediment and erosion control practices shall be installed. Silt fence outlets shall be located at points of low elevation or a minimum spacing of 150 ft. 15) Set up temporary facilities, locate equipment within the staging area, and stockpile materials needed for the initial stages of construction within the stockpile area(s). 16) Install and maintain an onsite rain gauge and log book to record the rainfall amounts and dates. Complete the self -inspection as required by DENR permit. UT1 Channel Construction Notes 1) Construction of UT 1 is to be done in the dry, constructing the proposed channel from upstream to downstream starting off-line at approximately STA100+60 at the northern portion of the Site along NC Highway 218. 2) As work progresses, remove and stockpile the top 3 inches of soil from the active grading area. Stockpiled topsoil shall be kept separate for onsite replacement prior to floodplain seeding. 3) Remove all non-native and invasive vegetation prior to beginning the channel construction. 4) Where feasible, more than one offline section may be constructed concurrently. Offline sections shall be tied online sequentially from downstream to upstream. 5) Construct the proposed stream channel to the grade specified in the cross sections and profile. Transfer coarse material from abandoned channel riffles to new channel riffles utilizing a pump around on the existing UTI when doing so. 6) Grade the adjacent floodplain and wetland area according to grades shown on the plan. 7) Install structures (log vane, j hook rock vane, riffles, log sills, brush sills, etc.) and in -bank bioengineering such brush toe after channel grading is completed. 8) Seed (with appropriate seed mix) and straw mulch areas where the coir fiber matting is to be installed. 9) Install coir fiber matting according to specifications, using coir fiber matting ECC -213 or equivalent from STA 100+00 to STA 114+20.71 and coir fiber matting C-600 or equivalent from STA 114+20.71 to the confluence with Crooked Creek at STA 117+17.53. lb) Install coir fiber matting ECC -2B or equivalent on the 2(H):l (V) slope transition from floodplain to upland on the right side of UT1 approximate corresponding stations 115+45.00 - 117+17.53. I l) Install a pump around at the upstream end of site between the culvert and existing UT1, installing channel dikes as necessary, in order to complete tie-in grading of the proposed UTI from the offline section to the culvert. 12) Upon completion of UT1 and stabilization, tum water into newly constructed UT1 and remove pump around. 13) Backfill abandoned channel sections with stockpiled soil according to the grades shown on the Plans. Non-native and invasive vegetation (e.g. privet, multiflora rose, and Japanese honeysuckle) shall be removed from the existing channel prior to backfilling. 14) Prepare floodplain for seeding by applying stockpiled topsoil to the floodplain between bankfull elevation and the grading limits, ripping, and raking/ smoothing. Seed and mulch. Any areas within the conservation easement that have not been graded shall be treated according to the planting plan. 15) Plant live stakes and herbaceous plugs on stream banks according to planting details and specifications. Overflow Channel Construction Notes 16) Install a pump around system between the existing UT1 and Crooked Creek (UT1 existing STA 113+40) and install Channel Plug as shown on the Plans. 17) Construct the proposed Overflow Channel to the grades and profile shown on the Plans. 18) Install structures (e.g. constructed riffle and rock sills) after channel grading is completed. 19) Seed (with appropriate seed mix) and straw mulch areas where the coir fiber matting is to be installed. 20) Install coir fiber matting C-600 or equivalent 21) Upon completion of the Overflow Channel, turn water into the newly constructed Overflow Channel and remove the pump around. 22) Backfill the abandoned channel between the Overflow Channel and newly constructed UT1 east of the Overflow Channel with stockpiled soils according to the grades shown on the Plans. Non-native invasive vegetation (i.e. privet, multiflora rose, and Japanese honeysuckle) shall be removed from the existing channel prior to backfilling. 23) Plant live stakes on stream banks according to the planting details and specifications. Wetland Construction Notes 1) Finalize floodplain and wetland grading, removing haul roads as necessary. 2) Prepare floodplain for seeding by applying stockpiled topsoil to the floodplain between bankfull elevation and the grading limits, ripping, and raking/ smoothing. Seed and mulch. 3) Install Channel Plug in the ditch in the southeast section of the site at the confluence with UT2 according to sheet 2.6 of the Plans. 4) Backfill channel with stockpiled soils according to the grades shown on the Plans. Non-native invasive vegetation (i.e. privet, multiflora rose, and Japanese honeysuckle) shall be removed from the existing channel prior to backfilling. 5) Seed and straw mulch disturbed areas of the backfilled channel and seed according to plans and specifications. Construction Demobilization 6) Remove temporary stream crossings. 7) The Contractor shall ensure that the site is free of trash and leftover materials prior to demobilization of equipment from the site. 8) Complete the removal of any additional stockpiled material from the site. 9) Demobilize grading equipment from the site. 10) All rock and other stockpiled materials must be removed from the limits of disturbance and conservation easement. All areas outside the conservation easement shall be returned to pre -project conditions or better. 11) Seed, mulch, and stabilize staging areas, stockpile areas, haul roads, and construction entrances. Pasture seed mix is to be applied to areas of disturbance outside of the conservation easement and disturbed areas that do not fall within the riparian or wetland planting zones shown in the plantingPIan. Remove all temporary ryfencin . Vi o Q�aa,co zZv���w �.�5Z z 1.4 2��00 a Z P E- izz, ,9 l.y corn k. o COQ rate�® Ka 7%i 10+00---� — — — — — — Existing Property Line — — Proposed Channel Centerline Proposed Log Vane Proposed Temporary Stream Crossing Existing Thalwe See Detail 2, Sheet 5.3 — — — See Detail 4, Sheet 5.6 — — — — — — g _ _ _ Proposed Bankfull Existing Ditch 10 Proposed Major Contour Proposed Constructed Riffle � See Details 1-4, Sheet 5.1 — — — — —100— — — — — — — Existing Major Contour Proposed Minor Contour Proposed Construction Entrance — — — — — — — — — — — — — _ Existing Minor Contour CE CE Proposed Conservation Easement See Detail 3, Sheet 5.7 Proposed Channel Plug See Detail 4, Sheet 5.7 Existing Tree Line x) Proposed Silt Fence Existing Tree SAF SAF Proposed Safety Fence Proposed Brush Toe See Detail 2, Sheet 5.4 Proposed Livestaking See Detail 2, Sheet 5.5 Existing Paved Road LDD LOD— Proposed Limits of Disturbance OHE Existing Overhead Electric with Easement IST- IST- ISTD Proposed Invasive Species Treatment Proposed Log Sill See Detail 1, Sheet 5.3 Proposed Permanent Riparian Seeding °a, Existing Power Pole TGE TGE Proposed Temporary Construction Easement Proposed Brush Sill E E Existing Easement See Detail 4, Sheet 5.3 z z z z 2 z f 2 z z a z z z z Proposed Permanent Wetland Seeding X Existing Fence Proposed Angled Log Step Pool See Detail 1, Sheet 5.2 Existing Sanitary Sewer Existing Culvert Pipe Proposed Stockpile Area - _ -- � Proposed Rock J -Hook _ Q See Detail 2, Sheet 5.2 Existing Wetland ---' Proposed Boulder Sill //[pj/\ Proposed Pump Around System See Detail 3, Sheet 5.2 // See Detail 1, Sheet 5.4 Existing Ground Water Gauge ` Proposed Silt Fence Outlet See Detail 1, Sheet 5.5 Proposed Construction Route (Haul Road) Vi o Q�aa,co zZv���w �.�5Z z 1.4 2��00 a Z P E- izz, ,9 l.y corn k. o COQ rate�® Ka 7%i LENGTH VARIES. SEE PLAN FILL OLD CHANNEL UTI- Typical Section: Riffle Sta: 100+00 to 117+18 Not To Scale BANKFULLWIDTH 12.0 LENGTH VARIES. SEE PLAN 2.7 3.3 3.3 2.7 ---- — -- o------- — 3 j.1 PROPOSED BANKFULL EXISTING GROUND PROPOSED GRADE UTI - Typical Section: Pool Sta: 100+00 to 117+18 Not To Scale `�20Q OSQ,4y! :Qe SEALr: GINigg !p "0" 44 U 0 eon rid � eb IN Z 545 540 535 100+00 AS -BUILT GRADE el— DESIGN GRADE 100+50 101+00 101+50 102+00 102+50 2 - X x x i _ / r ------------- / ti i GE m / cE I I G� I GE � OE / GE / CE i r OE-------------------------------- --------------------- _ - ----------- I - - - - - - - - - - - - - - ------------------- W I U / I � U I–_– ______-__ - / W U ' / % / i I U Z ���i� I GR \► 1 / 1 _ u--------------------- i� 543 I 0 map m EMOVE 80 LF / CHAIN LINK FENCE I FILL E TING CHANNEL I 70 LIMIT HOWN BEGIN CONSTRUCTION pR'z 5A4 UT1 STA: 100+00 48" RCP (RIGHT CHANNEL) INV: 543.02 48" CMP (LEFT CHANNEL) INV: 542.75 ----� X 103+00 103+50 104+00 r� y y \ GR3► \ � 643 FENCE TO REMAIN 540 535 104+50104+60 0' 2' 4' 6' (VERTICAL) 0' 20' 40' 60' (HORIZONTAL) \r4 X 30 --------------- ----------- --------------------------- A ----30------- ,.�.�_.-------------------------- - - -y--1'----'--1i..-'---J--- SAF SA oHE —5RF ^9B-- Ai op�SAF SAF SAF ------------------_--_'--1------ i __ SAF SAF SAF SAF AF � OHE O�-_ AF � __- I , // ____-- --__ OHE OHE '>.�'o INSTAL F J ----------- -"-"-- -------------------- OHE OHE OHE E xl BARBED WIRE FENCE TEMPORARY CONSTRUCTION EASEMENT -- - OHE ------" CAR��i/�� 20.oFESS16 :Qe SEALr: NN QINiF: !p A, SI E��\ \\�. 2m4 b P4 IN q�qF9� Y/J U�p� E� A i 5 r I ♦���\P�N CAR��i/�� :Qe SEALr: *• GINiN !p 7- u b 0 5 r 545 545 AS -BUILT GRADE 540 540 DESIGN GRADE 538 538 104+60 105+00 105+50 106+00 106+50 107+00 107+50 108+00 108+50 109+00 109+40 ------------------- r 0 2 4 6 --------- (VERTICAL) a - -'_=__-_ -- ---! — 0' 20' 40' 60' " (HORIZONTAL) _--- I / _ ♦ / CR -1 ♦\5p1 2 � CR -4 O COI — O /^O ifl co 4t LU I _____________` V Z / P4 � I FENCE TO REMAIN i i oN�S" I ♦���\P�N CAR��i/�� :Qe SEALr: *• GINiN !p 7- u b 0 5 r 550 550 545 545 AS -BUILT GRADE 540 — -- 540: — — zz DESIGN GRADE 535 535 109+40109+50 110+00 110+50 111+00 111+50. 112+00 112+50 113+00 113+50 114+00 114+20 0' 2' 4' 6' (VERTICAL) 0' 20' 40' 60' -_ --- ------------------------- (HORIZONTAL)--- / \ - 0 i — R 540 i % S,NGLF — — — -- - 40 FILL EXISTING DITCH 0 CR -1 \ ii CR -3 � I � CR 2 Y `. O \ V� P4 �r P\N CAR��i��� 20-oOSS16.y� :Qe SEALr: 93 ' NQINiF: Ip I r 545 545 540 540 AS -BUILT GRADE. 535 \ 535 DESIGN GRADE 530 530 114+20 114+50 115+00 115+50 116+00 116+50 117+00 117+46 � M REMOVE EXISTING CULVERT I AND FILL DITCH TO TOP OFBANKd REMOVE 460 LF `� A .5�j ,qq - 41 - -535 ----- SINGLE _SINGLE WIRE FENCE i Q � � � • 535 , � �- � - i _ FILL EXISTING CHANNEL - p 638 CR v, �� i r LU Z I REMOVE EXISTING CULVERT r — I I � O INSTALLED ADDITIO COIR MATTING `FILL EXISTING CHANNEL } �O 40_ �0- tii :Qeo8EALII' NN QINiF: !p igON m mmmm 5 r c® 0' 2' 4' 6' (VERTICAL) 0' 20' 40' 60' (HORIZONTAL) P4 e� m mmmm 5 r 540 535 540 530 -1-- 302+00 302+50 303+00 303+50 304+00 304+50 -------------------- --------------------- ------------- -------------- \ ----------------- ---------- INSTALLED BOULDER STEP POOL ----- FILL --FILL EXISTING CHANNEL(CHANGE (CHANGE ORDER NO. 1) - TO TOP OF BANK _ " --' - ELEVATION _ - _ " - y —}- 530 305+00 0' 2' 4' 6' (VERTICAL) 0' 20' 40' 60' (HORIZONTAL) b C-� PH DO Ln e 535 530 -1-- 302+00 302+50 303+00 303+50 304+00 304+50 -------------------- --------------------- ------------- -------------- \ ----------------- ---------- INSTALLED BOULDER STEP POOL ----- FILL --FILL EXISTING CHANNEL(CHANGE (CHANGE ORDER NO. 1) - TO TOP OF BANK _ " --' - ELEVATION _ - _ " - y —}- 530 305+00 0' 2' 4' 6' (VERTICAL) 0' 20' 40' 60' (HORIZONTAL) b C-� PH DO Ln e 545 545 540 540 AS -BUILT GRADE 535 535 DESIGN GRADE 530 530 113+40113+50 114+00 114+50 115+00 115+49 i _- ,- - --------- SEALr: - GINig !p ov SI I ff b b P-4 PH b 0 5 r 0' 2' 4' 6' (VERTICAL) 0' 20' 40' 60' (HORIZONTAL) 21 � eb I ff b b P-4 PH b 0 5 r