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HomeMy WebLinkAbout20130739 Ver 1_Year 3 Monitoring Report_2016_20170207St. Clair Creek Restoration Project Year 3 Final Monitoring Report Beaufort County, North Carolina DMS Project ID No. 95015 DWR Project #13-0739, Beaufort County USACE Action ID: 2008-02655 Tar -Pamlico River Basin: 03020104-040040 Project Info: Monitoring Year: 3 of 7 Year of Data Collection: 2016 Year of Completed Construction: 2014 Submission Date: January 2017 Submitted To: NC DEQ — Division of Mitigation Services 1625 Mail Service Center Raleigh, NC 27699 NC DEQ Contract ID No. 003986 St. Clair Creek Restoration Project Year 3 Final Monitoring Report Beaufort County, North Carolina DMS Project ID No. 95015 Tar -Pamlico River Basin: 03020104-040040 Report Prepared and Submitted by Michael Baker International NC Professional Engineering License # F-1084 INTERNATIONAL MICHAEL BAKER ENGINEERING, INC. I ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY............................................................................1 2.0 METHODOLOGY.........................................................................................3 2.1 Stream Assessment — Reaches UT2 and UT3...............................................................................................3 2. 1.1 Hydrology..................................................................................................................................................3 2.1.2 Photographic Documentation....................................................................................................................4 2.2 Wetland Assessment.....................................................................................................................................4 2.2.1 Wetland Concerns......................................................................................................................................4 2.3 Vegetation Assessment................................................................................................................................6 2.3.1 Vegetation Concerns..................................................................................................................................6 3.0 REFERENCES...............................................................................................7 APPENDICES Appendix A Project Vicinity Map and Background Tables Figure 1 Vicinity Map and Directions Table 1 Project Components and Mitigation Credits Table 2 Project Activity and Reporting History Table 3 Project Contacts Table Table 4 Project Attribute Table Appendix B Visual Assessment Data Figure 2 Current Condition Plan View (CCPV) Figure 3 Ditch Modification Map Table 5a Visual Stream Morphology Stability Assessment Table 5b Stream Problem Areas (SPAS) Table 6a Vegetation Condition Assessment Table 6b Vegetation Problem Areas (VPAs) Longitudinal Stream Photo Station Photos Vegetation Plot Station Photos Hydrology Monitoring Stations Photos Appendix C Vegetation Plot Data Table 7 Vegetation Plot Criteria Attainment Table 8 CVS Vegetation Metadata Table 9a CVS Count of Planted Stems by Plot and Species Table 9b Stem Count for Each Species Arranged by Plot Table 9c Yearly Density by Plot Table 9d Vegetation Summary and Totals Appendix D Hydrologic Data Figure 4 Wetland Gauge Graphs Figure 5 Flow Gauge Graphs MICHAEL BAKER ENGINEERING, INC. II ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017, MONITORING YEAR 3 OF 7 Figure 6 St. Clair Creek Observed Rainfall versus Historic Average Table 10 Wetland Restoration Well Success Table 11 Flow Gauge Success MICHAEL BAKER ENGINEERING, INC. III ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017, MONITORING YEAR 3 OF 7 1.0 EXECUTIVE SUMMARY Michael Baker Engineering, Inc. (Baker) restored 3,274 linear feet (LF) of perennial and intermittent stream, 2.8 acres (AC) of riparian wetlands, and planted 17.5 acres (AC) of native riparian vegetation within the entire conservation easement along two unnamed tributaries (UT2 and UT3) to St. Clair Creek in Beaufort County, North Carolina (NC) (Figure 1). The St. Clair Creek Restoration Project (Site) is located in Beaufort County, approximately five miles east of the Town of Bath. The Site is located in the NC Division of Water Resources (NCDWR) subbasin 03-03-07 and the NC Department of Environmental Quality (NC DEQ) Division of Mitigation Services (DMS) Targeted Local Watershed (TLW) 03020104-040040 of the Tar -Pamlico River Basin. The project involved the restoration of a Coastal Plain Headwater Small Stream Swamp system (NC WAM 2010, Schafale and Weakley 1990) from impairments within the project area due to past agricultural conversion and silviculture. The primary restoration goals of the project were to improve ecological functions to the impaired areas within the Tar -Pamlico River Basin as described below: • Create geomorphically stable conditions along the unnamed tributaries across the project, • Implement agricultural BMPs to reduce nonpoint source inputs to the downstream estuary, • Protect and improve water quality by reducing nutrient and sediment inputs, • Restore stream and wetland hydrology by connecting historic flow paths and promoting natural flood processes, and • Restore and protect riparian buffer functions and corridor habitat in perpetuity by establishing a permanent conservation easement. To accomplish these goals, the following objectives were identified: • Restore existing channelized streams by restoring the relic headwater valley and allowing diffuse flow, providing the streams access to their floodplains, • Increase aquatic habitat value by allowing natural microtopography to form, • Plant native species riparian buffer vegetation within the headwater valley and floodplain areas, and within the wetland areas, protected by a permanent conservation easement, to increase stormwater runoff filtering capacity, decrease erosion, and shade the stream to decrease water temperature, • Improve aquatic and terrestrial habitat through improved substrate and in -stream cover, addition of woody debris, and reduction of water temperature, and • Control invasive species vegetation within the project area and if necessary continue treatments during the monitoring period. During Year 3 monitoring, the planted acreage performance categories were functioning at 100 percent with no bare areas or low stem density areas to report. The average density of total planted stems, based on data collected from the nine monitoring plots during Year 3 monitoring, is 607 stems per acre. The Year 3 data demonstrate that the Site has met the minimum success interim criteria of 320 trees per acre by the end of Year 3. Following Year 2 monitoring, Pinus taeda (loblolly pine) was documented in the area of UT2. The loblolly pines were short but had the potential to pose a future threat to the survival of planted species installed during the construction phase. To prevent this nuisance species from affecting the planted stems, a thinning and MICHAEL BAKER ENGINEERING, INC. 1 ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 removal effort took place in March 2016, which targeted the loblolly pine. The methods used were hand/power tools and chemical applications. Additionally, during the fall of Year 3 monitoring, loblolly pine was still documented in the area of UT2 as well as the UT3 area. The loblolly pines are dispersed across both reaches of the site. This nuisance species still has the potential to pose a future threat to the survival of planted species installed during the construction phase. Additional treatment of the loblolly pines are once again planned for treatment in during Year 4/2017. The methods to be used for treatment will again be hand/power tools and chemical applications. In the fall of 2015, the restoration site landowner cut a network of drainage ditches adjacent to the easement boundaries of both UT2 and UT3 (shown as dashed green lines on Figure 3). The landowner implemented a plan to re -cut pre-existing lateral drainage ditches that joined a new deeper ditch that directly abuts the Site's conservation easements. These new ditches were cut on the eastern and western boundary of UT2 as well as the western boundary of UT3. The landowner cut the ditches with the intent to drain water away from his pine plantation that abuts both easement boundaries on the west and east. Additionally, the property and farm access road that lies to the north of the Site was also retaining water and needed to drain across the northern road into the conservation easement to prevent hydrologic trespass. To remedy this ditching impact as described above, a proposed work plan described in Section 2.2.1 took place in three different locations: (1) The northern conservation easement boundary of UT 2 along the existing farm road, (2) the western conservation easement boundary of UT2 along the wetland restoration area, and (3) along the western conservation easement boundary of UT3 along the wetland restoration area. To provide additional groundwater data during the monitoring period, four new monitoring wells were installed in April 2016, which is approximately 2 months after the beginning of the growing season. These four additional wells are providing additional wetland success data, as well as collecting groundwater levels adjacent to the areas where the additional ditching repairs took place. These four new wells were installed as shown in Figure 2. Year 3 wetland groundwater monitoring demonstrated that 2 of 8 groundwater monitoring wells located along UT2 and UT3 exhibited water levels within 12 inches of the ground surface that was greater than 12 percent of the growing season. The eight on-site wetland monitoring wells demonstrated consecutive hydroperiods, which ranged from 3.9 to 13.1 percent of the growing season. The growing season for Beaufort County is from February 28 to December 6 (282 days). Additionally, during Year 3 monitoring, the on-site wetland reference wells, which are on the downstream portions of UT3, demonstrated consecutive hydroperiods, which ranged from 40.9 to 43.8percent of the growing season. It should be noted that the placement of the reference wells is further down valley then the monitoring wells and is more heavily influenced by backwater from St. Clair Creek. On-site flow through the restored headwater valleys of UT2 and UT3 was recorded throughout 2016 by the use of pressure transducers. All six flow gauges installed on the Site recorded flow in 2016. The flow gauges documented flow through the headwater valleys during Year 3, which ranged from 45.6 to 85.7 consecutive days. It is noted that the flow gauges demonstrated similar flow events relative to rainfall events on site as demonstrated in the gauge graphs in Appendix D. In addition, currently contracted riparian buffer credits have been included as part of the project as referenced by the "Site Viability for Buffer Mitigation" memo from Karen Higgins (NCDWR) dated January 7, 2016 and included as an asset in this report. As part of the St. Clair Creek Restoration project, Riparian Buffer credits in excess of the contracted 6.8 acres (296,208 square feet) will be provided. Monitoring for success of riparian buffers will continue to follow the existing vegetation monitoring protocol and success criteria as stated in the approved mitigation plan for stream and wetland vegetation success. No additional vegetation monitoring plots MICHAEL BAKER ENGINEERING, INC. 2 ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 are required to monitor buffer success as the existing monitoring plots serve to monitor the success of the vegetation of the headwater coastal plain stream and the riparian buffer. Summary information/data related to the Site and statistics related to performance of various project and monitoring elements can be found in the tables and figures in the report Appendices. Narrative background and supporting information formerly found in these reports can be found in the Baseline Monitoring Report and in the Mitigation Plan available on the North Carolina Division of Mitigation Services (NCDMS) website. All raw data supporting the tables and figures in the Appendices are available from NCDMS upon request. 2.0 METHODOLOGY The seven-year monitoring plan for the Site includes criteria to evaluate the success of the stream, wetland and vegetation components of the project. The methodology and report template used to evaluate these components adheres to the NCDMS monitoring guidance document dated November 7, 2011, which will continue to serve as the template for subsequent monitoring years. The specific locations of monitoring features, such as vegetation plots, flow gauges and wells are shown on the CCPV sheets found in Appendix B. Since the growing season for the Beaufort County ends on December 6t'', the Year 3 well and flow data were collected December 2016. All visual site assessment data contained in Appendix B were collected in October and 2016. 2.1 Stream Assessment — Reaches UT2 and UT3 The UT2 and UT3 mitigation approach involved the restoration of historic flow patterns and flooding functions in a multi -thread headwater stream system, monitoring efforts will focus on visual observations to document stability and the use of water level monitoring gauges to document saturation and flooding functions. The methods used and any related success criteria are described below for each parameter. Monitoring efforts focus on visual observations and in -channel flow gauges/pressure transducers to document stream success. As -built Stream survey data was collected to a minimum of Class C Vertical and Class A Horizontal Accuracy using Leica TS06 Total Station and was georeferenced to the NAD83 State Plane Coordinate System, FIPS3200 in US Survey Feet, which was derived from the As -built Survey. This survey system collects point data with an accuracy of less than one tenth of a foot. 2.1.1 Hydrology Total observed area rainfall for the period of January 2016 through November 2016 was 44.91 inches, as compared to the Beaufort County WETS table for the same period of 46.68 inches annually. Four automated flow gauges (pressure transducers) were installed in the UT2 channel as well as two flow gauges installed in the UT3 channel. The gauges were installed approximately 500 feet apart within the restored systems to document flow duration. Success criteria are considered to have been met if 30 consecutive days of flow were observed at any point during the monitoring year. Results indicate that all six flow gauges met the minimum consecutive days of surface flow required for success during Year 3. The complete flow data and observed rainfall graphs for each gauge, along with the flow gauge success summary Table 11 are located in Appendix D. MICHAEL BAKER ENGINEERING, INC. ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 2.1.2 Photographic Documentation The reaches were photographed longitudinally beginning at the downstream end of both reaches, moving upstream to the beginning of each reach. Photographs were taken looking upstream at delineated locations throughout the restored stream valley. Points were close enough together to provide an overall view of the reach lengths and valley crenulations. Photographs of photo points, wetland wells, and flow gauges are located in Appendix B. 2.2 Wetland Assessment Wetland monitoring is assessed by the use of eight automated groundwater -monitoring stations that are installed following construction in the UT2 and UT3 wetland restoration areas, as well as two additional reference wells installed in the downstream portion of the UT3 wetland restoration area. Installation of these groundwater monitoring stations follow Corps of Engineers Wetlands Research Program Technical Note VN-rs-4.1 (USAGE 1997). As described in Section 2.2.1, to provide additional groundwater data during the monitoring period, four new monitoring wells were installed at the beginning of the growing season in April 2O16. These four additional wells provide additional wetland success data, as well as collect groundwater levels adjacent to the areas where the additional ditching repairs will take place. The four new wells installed as shown in Figure 2. The automated loggers are programmed to collect data to document groundwater levels in the restored wetland areas. The success criteria for wetland hydrology are considered to have been met when the site is saturated within 12 inches of the soil surface for a consecutive number of days equal to a minimum of 12% of the growing season (34 consecutive days at this site). Results indicate that only monitoring wells 1 and 5 met the minimum saturation success criteria (both adjacent to UT2). As -built monitoring wells 2, 3, 4 and supplemental monitoring wells 6, 7, 8 did not meet success during Year 3. It should be noted that wells 5 through 8 were installed between April 23' and April 29th, thus missing collecting groundwater data for 55 to 61 days of the early growing season when groundwater levels are typically at their highest. The rainfall graphs should also be closely reviewed in Appendix D. Very little rain fell at the Site during the critical periods of early spring and late fall. The total rainfall for the year is not far from the historical average but the rain came in large quick events, which did not allow for slow and steady infiltration and groundwater recharge. Restoration well data and reference well data collected during Year 3 monitoring are located in Appendix D. 2.2.1 Wetland Concerns Ditching In the fall of 2015, the restoration site landowner cut a network of drainage ditches adjacent to the easement boundaries of both UT2 and UT3 (See Figure 3). The landowner implemented a plan to re- cut pre-existing ditches that joined a new deeper ditch that directly abuts the Site's conservation easements. These new ditches were cut on the eastern and western boundary of UT2 as well as the western boundary of UT3. The landowner cut the ditches with the intent to drain water away from his pine plantation that abuts both easement boundaries on the west and east. Additionally, the property and farm access road that lies to the north of the Site is also retaining water and needs to drain across the northern road into the conservation easement to prevent hydrologic trespass. The work described above was designed and implemented without first consulting Baker. The ditches were first discovered during fall monitoring in fall 2O15. To remedy the potential impacts of the new ditch network on restored wetland functions, Baker implemented a work plan to alleviate the hydrologic trespass outside of the conservation easement and MICHAEL BAKER ENGINEERING, INC. 4 ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 filled the new ditches so wetland hydrology would be unimpaired. The proposed work took place in March 2016 in three different locations (Figure 3). (1) The northern conservation easement boundary of UT 2 along the existing farm road, (2) the western conservation easement boundary of UT2 along the wetland restoration area, and (3) along the western conservation easement boundary of UT3 along the wetland restoration area. Location (1): Work in this area consisted of connecting existing shallow drainage ditches from an adjacent property across the farm road into the conservation easement of UT2. A shallow ditch (1' deep by 2' wide) was cut through the farm road and then filled with rip rap outside of the easement to allow water to filter through the rock (French drain) and move across the road, but also allows the landowner to cross easily. Once the rock -filled ditch reaches the conservation easement boundary, a shallow, wide, flat depression (10' wide by 1' deep with a 0% slope) was excavated to tie these depressions into the existing ground elevations within the conservation easement. The locations shown as pink lines on Figure 3 are to scale (length) and are aligned as such to utilize the existing drainage paths as discovered during a field visit for storm event. It was observed during Year 3 monitoring that flow now diffuses through these depressions. These areas within the conservation easement were seeded and re -planted with bare -root trees. Location (2): Work in this area consisted of excavating shallow and wide depressions through the wetland restoration polygon along UT 2 to connect and help drain the existing lateral ditches outside the conservation easement that were plugged during construction. The depressions constructed are approximately 10' wide and 1' deep. The depression depth of V was measured down from the existing ground surface inside the wetland area at the conservation easement boundary with the intent to prevent hydrologic trespass within the landowner's existing pine timber. The depression bottoms are significantly higher than the existing lateral ditch bottoms within the timber. The depressions are essentially a zero slope and rely on the hydraulic head from the groundwater within the timber to promote flow. The depressions were excavated inside the conservation easement only as far as needed to tie into the existing ground elevations. The constructed lengths of these depressions are shown to scale in Figure 3. The required excavations are shallower as the depressions get closer to the stream valley. In addition, the excavated ditch adjacent to the conservation easement was filled. This is shown as a green dashed line on the attached figure. The small amount of flow that this depression receives flows diffusely as observed during Year 3 monitoring. The disturbed areas within the conservation easement were seeded and re -planted with bare -root trees. Location (3): Work in this area will consisted of removing a small (-5' wide) plug that separated the newly excavated ditch along UT3 (dashed green line in Figure 3) and existing small depressions within the conservation easement. These depressions were likely old remnant ditches excavated many years before the current conditions. These depressions are vegetated and shallow which serves to prevent hydrologic trespass in the timber areas outside the conservation easement between UT 2 and UT 3. Additionally, at the time of construction it was determined based on field observations that an additional shallow ditch would need to be excavated to 151 feet through the wetland restoration polygon (Ditch 5) along UT 3 to connect and help drain the existing lateral ditches outside the conservation easement that were plugged during construction. The depressions constructed are approximately 10' wide and 1' deep. Little to no grading will be required inside the conservation easement along UT 3 except Ditch 5. In addition, the excavated ditch adjacent to the conservation easement was filled. Construction of the proposed activities as described above was implemented in Year 3 (March 2016). MICHAEL BAKER ENGINEERING, INC. ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 Logging Issues and Additional Monitoring Wells It is noted that in the spring of 2015 three wetland restoration wells (SCAW1, SCAW2 and SCAW4) had accumulated bentonite/mud in the bottom of the well casings. A thick, gooey material was found to be clogging the water pressure sensors located in the bottom of the pressure transducers. This accumulation of material was suspected to be the likely the cause for the observed erroneous water levels recorded in the well casings. To verify groundwater depths and check for logger accuracy, manual groundwater measurements were recorded during three site visits and compared to datalogger readings in the appropriate date/time windows. The manual measurements were then used to determine if there were any significant differences in the recorded groundwater levels. After comparing the data, it was found that three wetland restoration loggers had errors in depth other than what was recorded manually. To correct this issue, all well casings, including SCAW3 were pumped to clear excess bentonite/mud that had built up and to prevent further buildup on the pressure sensors. The on-site reference wells were not pumped during this time. Additionally, links in the suspension chains from which the loggers hang in the well casings were also removed so the chain would be shorter. This was an effort to raise the loggers off the bottom of the well casings as to be above the bentonite/mud buildup. Subsequent to these adjustments, all on-site well data loggers now are free of bentonite and the atmospheric pressure hole is clear of any obstructions. As stated in Section 2.2, four new (supplemental) monitoring wells were installed in April /2016. These additional wells will provide additional wetland success data, as well as collect groundwater levels in the areas adjacent to where the additional ditching repairs have taken take place. These four new wells were installed as shown in the CCPV (Figure 2). 2.3 Vegetation Assessment In order to determine if the criteria are achieved, vegetation -monitoring quadrants were installed and are monitored across the restoration site in accordance with the CVS-NCDMS Protocol for Recording Vegetation, Version 4.1 (2007) and the CVS-NCDMS data entry tool v 2.3.1 (2012). The vegetation monitoring plots are a minimum of 2 percent of the planted portion of the Site with nine plots established randomly within the Site's planted riparian buffer areas per Monitoring Levels 1. The sizes of individual quadrants are 100 square meters for woody tree species. Year 3 vegetation assessment information is provided in Appendix B and C. 2.3.1 Vegetation Concerns Following Year 2 monitoring, Pinus taeda (loblolly pine) was documented in the area of UT2. The loblolly pines were short but had the potential to pose a future threat to the survival of planted species installed during the construction phase. To prevent this nuisance species from affecting the planted stems, a thinning and removal effort took place in March 2016 and targeted the loblolly pine. The methods used were hand/power tools and chemical applications. Additionally, during the fall of Year 3 monitoring, Pinus taeda (loblolly pine) was still documented in the area of UT2 as well as the UT3 area. The loblolly pines were noted to be widely dispersed across both reaches of the site. This nuisance species still poses a future threat to the survival of planted species installed during the construction phase. Additional treatment of the loblolly pines are once again planned for treatment in during Year 4/2017. The methods to be used will be hand/power tools and chemical applications. MICHAEL BAKER ENGINEERING, INC. ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 3.0 REFERENCES Carolina Vegetation Survey (CVS) and NC Division of Mitigation Services (NCDMS). 2007. CVS-NCDMS Data Entry Tool v. 2.3.1. University of North Carolina, Raleigh, NC. Lee, M., Peet R., Roberts, S., Wentworth, T. 2007. CVS-NCDMS Protocol for Recording Vegetation, Version 4.1. North Carolina Division of Mitigation Services. 2011. Monitoring Requirements and Performance Standards for Stream and/or Wetland Mitigation. November 7, 2011. Rosgen, D. L. 1994. A Classification of Natural Rivers. Catena 22:169-199. Schafale, M. P., and A. S. Weakley. 1990. Classification of the natural communities of North Carolina, Third Approximation. North Carolina Natural Heritage Program. Division of Parks and Recreation, NC DEQ. Raleigh, NC. United States Army Corps of Engineers. 1997. Corps of Engineers Wetlands Research Program. Technical Note VN-rs-4.1. Environmental Laboratory. U.S. Army Engineer Waterways Experiment Station. Vicksburg, MS. 2005. "Technical Standard for Water -Table Monitoring of Potential Wetland Sites," WRAP Technical Notes Collection (ERDC TN -WRAP -05-2), U.S. Army Engineer Research and Development Center. Vicksburg, MS. 2003. Stream Mitigation Guidelines, April 2003, U.S. Army Corps of Engineers. Wilmington District. MICHAEL BAKER ENGINEERING, INC. ST. CLAIR CREEK RESTORATION PROJECT, DMS PROJECT NUMBER - 95015 JANUARY 2017. MONITORING YEAR 3 OF 7 Appendix A Project Vicinity Map and Background Tables The subject project site is an environmental restoration site of the NCDEQ Division of Mitigation Services (DMS) and is encompassed by a recorded conservation easement, but is bordered 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 activities requires prior coordination with DMS. no Site Directions To access the site from Raleigh, follow Interstate 40 southeast and take the NC Highway 24 Exit East/NC Highway 903 North, Exit 373 toward Kenansville and Magnolia. From Exit 373, continue on the Kenansville Bypass for 6 miles before turning right onto NC Highway 24 East. After turning right onto NC Highway 24 (Beulaville Highway), continue for 23 miles before turning left onto US Highway 258 (Kinston Highway). Once on US Highway 258, travel for approximately 1.2 miles before turning right onto Warren Taylor Road. Then proceed 0.5 miles and turn left while heading north through a large field. The site is located where the farm road intersects UT to Mill Swamp at a downstream culvert crossing. r�t'11irrl��r�►ii� l`���y"4�� Beaufort County Sf C/air C r '-e/r CD 0 m Q Im Project Location Pamlico River Note: Site is located within targeted local watershed 03020104040040. Figure 1 Project Vicinity Map St. Clair Creek Restoration Site NCDEQ - Division of Mitigation Services INTERNATIONAL 0 0.5 1 2 3 Miles Table 1. Project Components and Mitigation Credits St. Clair Creek Restoration Project: DMS Project No ID. 95015 Mitigation Credits Stream Riparian Wetland Non-riparian Wetland Buffer Nitrogen Nutrient Offset Phosphorus Nutrient Offset Type R R RE Totals 3,274 SMU 2.8 WMU 0 363,577 BMU Project Components Project Component or Reach ID Stationing/ Existing Footage/ Acreage Location Approach Restoration/ Restoration Equivalent Restoration Footage or Acreage Mitigation Ratio UT2 Stream 12+64 —34+00 2,660 LF Headwater Restoration 2,133 SMU 2,133 LF 1:1 UT3 Stream 10+66-22+82 1,075 LF Headwater Restoration 1,141 SMU 1,141 LF 1:1 UT2 Wetland See plan sheets 0.0 AC Restoration 1.1 WMU 1.1 WMU 1:1 UT3 Wetland See plan sheets 0.0 AC Restoration 1.7 WMU 1.7 WMU 1:1 UT2 Buffer 12+64 —34+00 NA Restoration 363,577 BMU 8.3 AC 1:1 Component Summation Restoration Level Stream (LF) Riparian Wetland (AC) Non-riparian Wetland (AC) Buffer (ft2) / (AC) Upland (AC) Riverine Non-Riverine Restoration 3,274 2.8 Enhancement I Enhancement Il Creation Preservation High Quality Preservation Buffer Zone A: 0-50 ft 226002/5.2 Buffer Zone B: 51-100 ft 137575/3.1 BMP Elements Element Location Purpose/Function Notes BMP Elements: BR= Bioretention Cell; SF= Sand Filter; SW= Stormwater Wetland; WDP= Wet Detention Pond; DDP= Dry Detention Pond; FS= Filter Strip; S= Grassed Swale; LS= Level Spreader; NI=Natural Infiltration Area MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 2. Project Activity and Reporting History St. Clair Creek Restoration Project: DMS Project No 1D. 95015 Activity or Report Scheduled Completion Data Collection Complete Actual Completion or Deliver Mitigation Plan Prepared N/A N/A Jul -13 Mitigation Plan Amended N/A N/A Sep -13 MItigation Plan Approved N/A N/A Oct -13 Final Design — (at least 90% complete) N/A N/A Nov -13 Construction Begins N/A N/A Dec -13 Temporary S&E mix applied to entire project area N/A N/A N/A Permanent seed mix applied to entire project area N/A N/A Mar -14 Planting of live stakes N/A N/A N/A Planting of bare root trees N/A N/A Apr -14 End of Construction N/A N/A Apr -14 Survey of As -built conditions (Year 0 Monitoring -baseline) N/A May -14 Jun -14 Year 1 Monitoring Nov -14 Dec -14 Dec -14 Year 2 Monitoring Nov -15 Nov -15 Mar -16 Year 3 Monitoring Nov -16 Dec -16 Jan -17 Year 4 Monitoring Nov -17 N/A N/A Year 5 Monitoring Nov -18 N/A N/A Year 6 Monitoring Nov -19 N/A N/A [Year 7 Monitoring Nov -20 N/A N/A MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 3. Project Contacts Table St. Clair Creek Restoration Project: DMS Project ID No. 95015 Designer Michael Baker International 797 Haywood Road, Suite 201 Asheville, NC 28806 Contact: Jacob Byers, Tel. 919-259-4814 Construction Contractor 6105 Chapel Hill Road River Works, Inc. Raleigh, NC 27607 Contact: Phillip Todd, Tel. 919-582-3575 Planting Contractor 6105 Chapel Hill Road River Works, Inc. Raleigh, NC 27607 Contact: Phillip Todd, Tel. 919-582-3575 Seeding Contractor T 6105 Chapel Hill Road River Works, Inc. Raleigh, NC 27607 Contact: Phillip Todd, Tel. 919-582-3575 Seed Mix Sources Green Resources, Tel. 336-855-6363 Nursery Stock Suppliers Mellow Marsh Farm, 919-742-1200 ArborGen, 843-528-3204 Superior Tree, 850-971-5159 Monitoring Performers Michael Baker International 8000 Regency Parkway, Suite 600 Cary, NC 27518 Contact: Stream Monitoring Point of Contact Jacob Byers, Tel. 919-259-4814 Vegetation Monitoring Point of Contact Jacob Byers, Tel. 919-259-4814 Wetland Monitoring Point of Contact Jacob Byers, Tel. 919-259-4814 MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 4. Project Attributes St. Clair Creek Restoration Project: DMS Project ID No. 95015 Project Information Project Name St. Clair Creek Restoration Project County Beaufort Project Area (acres) 17.5 Project Coordinates latitude and longitude) 35.452835 N, -76.76726215 W Watershed Summary Information Physiographic Province Outer Coastal Plain River Basin Tar -Pamlico USGS Hydrologic Unit 8 -digit and 14 -digit 03020104 / 03020104040040 DWQ Sub -basin 03 03 07 Project Drainage Area (AC) 89 (UT2), 30 (UT3) Project Drainage Area Percentage of Impervious Area <1% CGIA Land Use Classification 13.02, Passively Managed Forest Stands, 2.01.01.07, Annual Row Crop Rotation; Stream Reach Summary Information Parameters Reach UT2 Reach UT3 Length of Reach LF 2,133 (proposed) 2,660 (existing) 1,141 (proposed) 1,075 (existing) Valley Classification (Rosgen) X X Drainage Area (AC) 89 30 NCDWQ Stream Identification Score 36 20 NCDWQ Water Quality Classification C; Sw, NSW C; Sw, NSW Morphological Description (Rosgen stream type)* Channelized Headwater System (Perennial) Channelized Headwater System (Intermittent) Evolutionary Trend ** Restored G Restored G Underlying Mapped Soils To, Hy, Ro To, At Drainage Class Very poorly drained, poorly drained Poorly drained, somewhat poorly drained Soil Hydric Status Hydric Hydric Average Channel Slope(ft/ft) 0.0006 0.0009 FEMA Classification SFHA, AE SFHA, AE Native Vegetation Community Coastal Plain Small Stream Swamp Coastal Plain Small Stream Swamp Percent Composition of Exotic/Invasive Vegetation <5% <5% Wetland Summary Information Parameters Wetland Along UT2 Size of Wetland AC 1.1 Wetland Type Riparian Riverine Mapped Soil Series To — Tomotley fine sandy loam Drainage Class Poorly drained Soil Hydric Status Hydric Source of Hydrology Groundwater Hydrologic Ira airment Disconnected floodplain from ditches, lowered water table Native Vegetation C nummity Coastal Plain Small Stream Swamp Percent Composition of Exotic/Invasive Vegetation <5% Parameters Wetland Along UT3 Size of Wetland AC 1.7 Wetland Type Riparian Riverme Mapped Soil Series To — Tomotley fine sandy loam Drainage Class Poorly drained Soil Hydric Status Hydric Source of Hydrology Groundwater Hydrologic Ira airment Disconnected floodplain from ditches, lowered water table Native Vegetation Community Coastal Plain Small Stream Swamp Percent Composition of Exotic/Invasive Vegetation <5% Regulatory Considerations Regulation Resolved Supporting Documentation** Waters of the United States — Section 404 Yes (Appendix B) Waters of the United States — Section 401 Yes (Appendix B Endangered Species Act N/A RNo Categorical Exclusion (Appendix B) Historic Preservation Act N/A Categorical Exclusion (Appendix B Coastal Zone Management Act (CZMA)/ Coastal Area Management Act (LAMA) N/A Cate orical Exclusion (A endix B) FEMA Floodplain Compliance Yes A endix B Essential Fisheries Habitat No N/A Categorical Exclusion (Appendix B) Notes: *Due to its channelized nature, the stream would most appropriately be classified as a Rosgen G stream type but use of this classification system on this channel is questionable due to its highly altered state. ** Supporting documentation is including in the approved Final Mitigation Plan. MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Appendix B Visual Assessment Data Conservation Easement Drainage Modification Installed 2016 (10 ft wide, 1 ft deep, length to scale) Drainages Filled (March 2016) Drainage Not Filled Flow Gauge Meeting Criteria A Photo Points O Groundwater Wells Meeting Criteria • Groundwater Wells Not Meeting Criteria — Vegetation Plot Meeting Criteria: (Year 3 Density/Planted Density) Restored Wetland Areas UT 2 Veg Plot 1: 567/728 As -Built Streams Restoration: Headwater Valley No Mitigation Credit Buffer Zone A: 0-50 ft (226,002 ft2 or 5.2 ac, 1:1 ratio = 226,002 BMUs) Buffer Zone B: 51-100 ft (137,575 ft2 or 3.1 ac, 1:1 ratio = 137,575 BMUs) Survey / Monitoring Data Collected: Dec 2016 Aerial Photo Date: 2012 INTERNATIONAL 0 250 500 Feet NCDEQ - Division of Mitigation Services Project # 95015 Veg Plot 6: 364/486 p.. V4 UT 3 Veg Plot 8: 526/728 Veg Plot 7: 850/1174 NC Center for Geographic lnformaton�and Arisal,y-sis, NC 991Boar, N Figure 2 Current Condition Plan View - MY3 St. Clair Creek Site Beaufort County, NC Rev: 28Mar20 Conservation Easement Proposed Drainage Modification (10 ft wide, 1 ft deep, length to scale) Drainages not Filled Drainages Filled 0 Flow Gauge Q Groundwater Monitoring Wells Additonal Groundwater Monitoring Well Location (installed April 2016) - Vegetation Plot — Restored Wetland Areas As -Built Streams Restoration: Headwater Valley No Mitigation Credit NANO Ditch 7: 25 ft rock & 20 ft into easement Ditch 8: 25 ft rock & 50 ft into easement Ditch 6: 25 ft rock & 25 ft into easement INTERNATIONAL -err-� i , r Ditch Filled: 575 ft in length Ditch not Filled: 1063 ft in length Ditch 5: 145 ft Ditch 4: 6 ft UT 3 SCAW8 SCAW�°, � {SCAW5 Ditch 160ft DitchFilled: 625 ft�in length 0 250 500 Feet DEQ - Division of Mitigation Services Project # 95015 1 ,, .,mss Center fior �eonranhic Information and Analysis NC 911 B&Oi N Figure 3 Ditch Modification Map St. Clair Creek Site Beaufort County, NC Rev:23Jan2017 Table 5a. Visual Stream Morphology Stability Assessment St. Clair Creek Restoration Project: DMS Project ID No. 95015 Reach ID: UT2 Assessed Length (LF): 2,133 Major Channel Category Channel Sub -Category Metric Number Stable (Performing as Intended) Total Number per As -built Number of Unstable Segments Amount of Unstable Footage % Stable, Performing as Intended Number with Stabilizing Woody Veg. Footage with Stabilizing Woody Veg. Adjusted % for Stabilizing Woody Veg. 1.Vertical Stability 1. Aggradation 0 0 100% 2. Degradation 0 0 100% 2. Riffle Condition 1. Texture Substrate NA NA 3. Meander Pool Condition 1. Depth NA NA 2. Length NA NA 1. Thalweg centering at upstream of meander bend (Run) NA NA 1. Bed 2. Thalweg centering at downstream of meander bend (Glide) 4. Thalweg Position NA NA 3. Thalweg centering along valley Yes 2,133 LF 1. Scoured/Eroding Bank lacking vegetative cover resulting simply from poor growth 0 0 and/or scour and erosion 100% 0 2,133 100% 2. Bank 2. Undercut Banks undercut/overhanging to the extent that mass wasting appears likely 0 0 100% 0 2,133 100% 3. Mass Wasting Banks slumping, caving or collapse 0 0 100% 0 2,133 100% Totals 0 0 Structures physically intact with no dislodged boulders or logs NA NA 100% 0 2,133 100% TP 1. Overall Integrity 2. Grade Control Grade control structures exhibiting maintenance of grade across the sill NA NA 7L 2a. Piping Structures lacking any substantial flow underneath sill or arms NA NA 3. Engineering Structures 3. Bank Position Bank erosion within the structures extent of influence does not exceed NA NA 15% 4. Habitat Pool forming structures maintaining - Max Pool Depth NA NA MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 5a. Visual Stream Morphology Stability Assessment St. Clair Creek Restoration Project: DMS Project ID No. 95015 Reach ID: UT3 Assessed Length (LF): 1,141 Major Channel Category Channel Sub -Category Metric Number Stable (Performing as Intended) Total Number per As -built Number of Unstable Segments Amount of Unstable Footage % Stable, Performing as Intended Number with Stabilizing Woody Veg. Footage with Stabilizing Woody Veg. Adjusted % for Stabilizing Woody Veg. 1.Vertical Stability 1. Aggradation 0 0 100% 2. Degradation 0 0 100% 2. Riffle Condition 1. Texture Substrate NA NA 3. Meander Pool Condition 1. Depth NA NA 2. Length NA NA 1. Bed 1. Thalweg centering at upstream of meander bend (Run) NA NA 2. Thalweg centering at downstream of meander bend (Glide) NA NA 4. Thalweg Position 3. Thalweg centering along valley Yes 1,141 LF 1. Scoured/Eroding Bank lacking vegetative cover resulting simply from poor growth and/or scour and erosion 0 0 100% 0 1,141 100% 2. Bank 2. Undercut Banks undercut/overhanging to the extent that mass wasting appears likely 0 0 100%° 0 1,141 100/o 3. Mass Wasting Banks slumping, caving or collapse 0 0 100% 0 1,141 100% Totals 0 0 Structures physically intact with no dislodged boulders or logs NA NA 100% 0 0 100% 1. Overall Integrity 2. Grade Control Grade control structures exhibiting maintenance of grade across the sill NA NA 2a. Piping Structures lacking any substantial flow underneath sill or arms NA NA 3. Engineering Structures 3. Bank Position Bank erosion within the structures extent of influence does not exceed NA NA 15% 4. Habitat Pool forming structures maintaining - Max Pool Depth NA NA MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 5b. Stream Problem Areas St. Clair Creek Restoration Project: DMS Project ID No. 95015 Feature Issue Station Number Suspected Cause Photo Number None Observed -- -- -- MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 6a. Vegetation Conditions Assessment St. Clair Creek Restoration Project: DMS Project ID No. 95015 Reach ID: UT2 Planted Acreage: 11.6 Vegetation Category Defintions Mapping Threshold (acres) CCPV Depiction Number of Polygons Combined Acreage % of Planted Acreage Very limited cover both woody and 1. Bare Areas herbaceous material. 0.1 NA 0 0.00 0.0% herbaceous material. 2. Low Stem Density Areas Woody stem densities clearly below target 0.1 NA 0 0.00 0.0% 2. Low Stem Density Areas levels based on MY3, 4 or 5 stem count 0.1 NA 0 0.00 0.0% Total criteria. 0.00 0.0% Areas with woody stems or a size class that Total 0 0.00 0.0% 3. Areas of Poor Growth Rates or Vigor Areas with woody stems or a size class that 0.25 NA 0 0.00 0.0% 3. Areas of Poor Growth Rates or Vigor are obviously small given the monitoring 0.25 NA 0 0.00 0.0% Cumulative Total year. 0.00 0.0% Easement Acreage: Vegetation Category Defintions Cumulative Totali 0 i 0.00 i 0.0% Easement Acreage: Vegetation Category Defintions Mapping Threshold CCPV Depiction Number of Polygons Combined Acreage % of Planted Acreage Areas of points (if too small to render as 5. Invasive Areas of Concern Areas of points (if too small to render as 1000 ft2 NA 0 0.00 0.0% 6. Easement Encroachment Areas polygons at map scale) none NA 0 0.00 0.0% Areas of points (if too small to render as 6. Easement Encroachment Areas polygons at map scale) none NA 0 0.00 0.0% Table 6a. Vegetation Conditions Assessment St. Clair Restoration Project: EEP Project ID No. 95015 Reach ID: UT3 Planted Acreage: 5.9 Vegetation Category Defintions Mapping Threshold (acres) CCPV Depiction Number of Polygons Combined Acreage % of Planted Acreage Very limited cover both woody and 1. Bare Areas herbaceous material. 0.1 NA 0 0.00 0.0% Woody stem densities clearly below target 2. Low Stem Density Areas levels based on MY3, 4 or 5 stem count 0.1 NA 0 0.00 0.0% criteria. Total 0 0.00 0.0% Areas with woody stems or a size class that 3. Areas of Poor Growth Rates or Vigor are obviously small given the monitoring 0.25 NA 0 0.00 0.0% year. Cumulative Total 0 0.00 0.0% Easement Acreage: Vegetation Category Defintions Mapping Threshold CCPV Depiction Number of Polygons Combined Acreage % of Planted Acreage 5. Invasive Areas of Concern Areas of points (if too small to render as 1000 ft2 NA 0 0.00 0.0% polygons at map scale) Areas of points (if too small to render as 6. Easement Encroachment Areas polygons at map scale) none NA 0 0.00 0.0% MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 6b. Vegetation Problem Areas St. Clair Creek Restoration Project: DMS Project ID No. 95015 Feature Issue Station Number Suspected Cause Photo Number Loblolly Pine (Pinus taeda) Veg Plots 1, 2, 3, 4, 6, 7, 8, 9 Post-restoraton seed source VPI, VP2. VP3, VP4, VP6, VP7, VP81 VP9 MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) St. Clair Restoration Site — Longitudinal Stream Photo Stations Photo Point 1 — UT2 Photo Point 3 — UT2 Photo Point 5 — UT2 Photo Point 2 — UT2 h: f � n •y{k w 'j': 1 �i Photo Point 1 — UT2 Photo Point 3 — UT2 Photo Point 5 — UT2 Photo Point 2 — UT2 Photo Point 4 — UT2 Photo Point 6 — UT2 h: f � n •y{k w 'j': 1 Photo Point 4 — UT2 Photo Point 6 — UT2 St. Clair Restoration Site — Longitudinal Stream Photo Stations Photo Point 7 — UT2 Photo Point 9 — UT2 Photo Point 8 — UT2 Photo Point 10 — UT2 Photo Point 11 — UT2 Photo Point 12 — UT2 Ti. '. ` ': kW; '� AK St. Clair Restoration Site — Longitudinal Stream Photo Stations 15 �Yr• 46 fi Photo Point 19 — UT3 Photo Point 21 — UT3 Photo Point 23 — UT3 Photo Point 20 — UT3 Photo Point 22 — UT3 Photo Point 24 — UT3 St. Clair Restoration Site - Hydrology Monitoring Stations Auto Well — SCAW1, December 13, 2016 � r F MWe g =- �'XT Auto Well — SCAW3, December 13, 2016 Supplemental Auto Well — SCAW5, December 13, 2016 Auto Well — SCAW2, December 13, 2016 - � tl e 4£x'�el a � 1 t 4 Auto Well — SCAW4, December 13, 2016 Supplemental Auto Well — SCAW6, December 13, 2016 4 ? t Ac ry +4U,� f Supplemental Auto Well — SCAW5, December 13, 2016 Auto Well — SCAW2, December 13, 2016 - � tl e 4£x'�el a � 1 t 4 Auto Well — SCAW4, December 13, 2016 Supplemental Auto Well — SCAW6, December 13, 2016 St. Clair Restoration Site - Hydrology Monitoring Stations Supplemental Auto Well — SCAW7, T)eremher FI ?016 Reference Auto Well — SCREFI, T)PrPmhPr 1'A 70M Flow Logger (UT2) — SCFL1, December 13, 2016 flow present Supplemental Auto Well — SCAW8, T)PrPmlhPr VI ?01 ti Reference Auto Well — SCREF2, T)PrPmher 1'l 7(11 h Flow Logger (UT2) — SCFL2, December 13, 2016 flow present St. Clair Restoration Site - Hydrology Monitoring Stations Flow Logger (UT2) — SCFL3, December 13, 2016 Flow Logger (UT2) — SCFL4, December 13, 2016 flow present " Flow Logger (UT3) — SCFL5, December 13, 2016 Flow Logger (UT3) — SCFL6, December 13, 2016 slight flow present no flow present On-site rain gauge - adjacent to SCAW1, December 13, 2016 St. Clair Restoration Site — Vegetation Plot Photo Stations Vegetation Plot 1 Vegetation Plot 2 Vegetation Plot 3 Vegetation Plot 5 Vegetation Plot 4 Vegetation Plot 6 St. Clair Restoration Site — Vegetation Plot Photo Stations Vegetation Plot 7 Vegetation Plot 9 Vegetation Plot 8 Appendix C Vegetation Plot Data Table 7. Vegetation Plot Criteria Attainment St. Clair Creek Restoration Project: DMS Project ID No. 95015 Plot ID Vegetation Survival Threshold Met? YR3 Planted Density / As -built Planted Stem Density* Tract Mean 1 Y 567/728 607 2 Y 648/648 3 Y 648/688 4 Y 648/728 5 Y 526/688 6 Y 364/486 7 Y 850/1174 8 Y 526/728 9 Y 688/769 Note: *YR3 Planted Density / As -built Planted Stem Density - reflects the changes in stem density based on the density of stems at the time of the As -built survey and the current total density of stems . MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 8. CVS Vegetation Metadata St. Clair Creek Restoration Project: DMS Project ID No. 95015 Report Prepared By Dwayne Huneycutt Date Prepared 12/19/2016 9:39 database name MichaelBaker_2016_StClair_95015.mdb database location L:\Monitoring\Veg Plot Info\CVS Data Tool\St Clair computer name CARYLRELLISON3 file size 50040832 DESCRIPTION OF WORKSHEETS IN THIS DOCUMENT ------- ----- Metadata Description of database file, the report worksheets, and a summary of project(s) and project data. Proj, planted Each project is listed with its PLANTED stems per acre, for each year. This excludes live stakes. Proj, total stems Each project is listed with its TOTAL stems per acre, for each year. This includes live stakes, all planted stems, and all natural/volunteer stems. Plots List of plots surveyed with location and summary data (live stems, dead stems, missing, etc.). Vigor Vigor by Spp Damage Damage by Spp Damage by Plot Planted Stems by Plot and Spp ALL Stems by Plot and spp PROJECT SUMMARY Project Code project Name Description River Basin length(ft) stream -to -edge width (ft) area (sq m) Required Plots (calculated) Plots Frequency distribution of vigor classes for stems for all plots. Frequency distribution of vigor classes listed by species. List of most frequent damage classes with number of occurrences and percent of total stems impacted by each. Damage values tallied by type for each species. Damage values tallied by type for each plot. A matrix of the count of PLANTED living stems of each species for each plot; dead and missing stems are excluded. A matrix of the count of total living stems of each species (planted and natural volunteers combined) for each plot; dead and missing stems are excluded. 95015 St Clair Creek Restoration Project Tar -Pamlico MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) 9 Table 9a. CVS Stem Count of Planted Stems by Plot and Species St. Clair Creek Restoration Project: DMS Project ID No. 95015 �5t �5t oo� oo� 0 oo� 0 oo� 0 ooh 0 oob 0 oo^ ooz 0 0 oo9 0 -S, o� oti o'er o� Aronia arbutifolia Shrub Red Chokeberry 6 3 2 4 1 1 Carpinus caroliniana Shrub Tree American hornbeam 4 3 1.33 1 1 2 Clethra alnifolia Shrub coastal sweetpepperbush 2 2 1 1 1 Fraxinus pennsylvanica Tree green ash 5 4 1.25 2 1 1 1 Morella cerifera Shrub Tree wax myrtle 1 1 1 1 1 1 Nyssa sylvatica Tree blackgum 5 3 1.67 1 3 1 Persea palustris Tree swamp bay 6 2 3 2 4 Quercus laurifolia Tree laurel oak 8 3 2.67 1 3 4 Quercus lyrata Tree overcup oak 14 71 2 4 2 1 21 2 1 2 Quercus michauxii Tree swamp chestnut oak 26 6 4.33 1 4 4 5 5 7 Quercus phellos Tree willow oak 12 6 2 5 1 2 1 2 1 Taxodium distichum Tree bald cypress 16 4 4 4 3 8 1 Ulm us americana Tree American elm 19 6 3.17 1 1 4 2 1 4 1 7 Vaccinium corymbosum Shrub highbush blueberry 3 2 1.5 1 2 Viburnum dentatum Shrub Tree southern arrowwood 8 3 2.67 3 1 4 T�-o 15 15 15 135 15 14 16 16 16 13 9 21 13 17 MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 9b. Stem Count for Each Species Arranged by Plot St. Clair Creek Restoration Project: DMS Project ID No. 95015 Botanical Name Common Name 1 2 3 4 Plots 5 6 7 8 9 Tree Species Fraxinus pennsylvanica green ash 2 1 1 1 N ssa s lvatica swamp tupelo 1 3 1 Quercus michauxii swamp chestnut oak 1 4 4 5 5 7 Quercus lauri olia laurel oak 1 3 4 Quercus l rata overcup oak 4 2 1 2 2 1 2 Quercus phellos willow oak 5 1 2 1 2 1 Taxodium distichium bald cypress 4 3 8 1 Ulmus americana American elm 1 4 2 1 4 7 Shrub Species Clethra alni olia sweet pepperbush 1 1 Carpinus caroliniana ironwood 1 1 2 Magnolia vir iniana sweetbay magnolia Persea palustris swamp bay 2 4 Callicar a americana beautyberry Cornus oemina swamp dogwood Morella ceri era wax Myrtle 1 Vaccinium co mbosum blueberry 1 2 Viburnum dentatum arrowwood 3 1 4 Rosa palustris swamp rose Ilex 91abra inkberry Aronia arbutifolia chokeberry 4 1 1 Stems Per Plot (December 2016) 14 16 16 16 13 9 21 13 17 Average Stems Per Acre Total Stems/Acre Year 3 (December 2016) 567 648 648 648 526 364 850 526 688 607 Total Stems/Acre Year 2 (November 2015) 607 648 648 648 526 405 1012 607 688 643 Total Stems/Acre Year 1 (December 2014) 688 648 648 648 648 445 1052 648 728 683 Total Stems/ Acre for Year 0 As-Built (Baseline Data) 728 648 688 728 688 486 1174 728 769 737 MICHAEL BAKER ENGINEERING, INC YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 9c. Yearly Density Per Plot St. Clair Creek Restoration Project: DMS Project ID No. 95015 Current Plot Data (MY3 2016) Scientific Name Common Name Species Type 95015-01-0001 95015-01-0002 95015-01-0003 95015-01-0004 95015-01-0005 95015-01-0006 95015-01-0007 95015-01-0008 95015-01-0009 P V T P V T P V T P V T P V T P V T P V T P V T P V T Aronia arbutifolia Red Chokeberry Shrub 4 4 1 1 1 1 Carpinus caroliniana American hornbeam Tree I 1 1 1 2 2 Clethra alnifolia coastal sweetpepperbush Shrub 1 1 1 1 Cornus foemina stiff dogwood Shrub Tree Fraxinus pennsylvanica green ash Tree 2 2 1 1 1 1 1 1 Liquidambar styraciflua sweetgum Tree 2 2 4 4 1 1 Morella cerifera wax myrtle shrub I 1 1 Nyssa sylvatica blackgum Tree 1 1 3 3 1 1 Persea bay Tree 2 2 Persea palustris swamp bay tree 2 2 4 4 Pinus Taeda loblolly pine Tree 20 20 21 21 4 4 10 10 2 2 25 25 8 8 Quercus laurifolia laurel oak Tree 1 1 3 3 4 4 2 2 Quercus lyrata overcup oak Tree 4 4 2 2 1 1 2 2 2 2 1 1 Quercus michauxii swamp chestnut oak Tree 1 1 4 4 4 4 5 5 5 5 7 7 Quercus pagoda cherrybark oak Tree 1 1 Quercus phellos willow oak Tree 5 5 1 1 2 2 1 1 2 2 1 1 Salix nigra black willow Tree 1 1 Taxodium distichum bald cypress Tree 4 4 3 3 8 8 1 1 Ulmus alata winged elm Tree 2 2 7 7 Ulmus americana American elm Tree 1 1 4 4 2 2 1 1 4 4 Unknown Shrub or Tree Vaccinium corymbosum highbush blueberry Shrub 1 1 2 2 Viburnum dentatum southern arrowwood Shrub 3 3 1 1 4 4 Stem count 14 21 35 16 22 38 16 4 20 16 12 28 13 0 13 9 4 13 21 29 50 13 8 21 17 3 20 size (ares) 1 1 1 1 1 1 1 1 1 size (ACRES) 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 Species count 8 2 10 6 2 8 5 1 6 5 2 7 4 0 4 5 2 7 8 2 10 8 1 9 6 2 8 Stems per ACRE 566.6 849.8 1416.4 647.5 1 890.3 1537.8 647.5 161.9 809.4 647.5 485.6 1133.1 526.1 0.0 526.1 364.2 161.9 526.1 849.8 1 1173.6 2023.4 526.1 323.7 849.8 688.0 121.4 809.4 Scientific Name Common Name Species TypeMY3 (2016) MY2 (2015) MY1 (2014) P F V T P V T P V T Aroma arbutifolia Red Chokeberry Shrub 6 6 6 6 6 6 Carpinus caroliniana American hornbeam Tree 4 4 4 4 3 3 Clethra alnifolia coastal sweetpepperbush Shrub 2 2 2 2 1 1 Cornus foemina stiff dogwood Shrub Tree 0 2 2 Fraxinus pennsylvanica green ash Tree 5 5 5 5 4 4 Liquidambar styraciflua sweetgum Tree 0 7 7 Morella cerifera wax myrtle shrub 1 1 1 1 1 1 Nyssa sylvatica blackgum Tree 5 5 7 7 6 6 Persea bay Tree 0 2 2 Persea palustris swamp bay tree 6 6 6 6 6 6 Pinus Taeda loblolly pine Tree 0 90 90 Quercus laurifolia laurel oak Tree 10 10 8 8 14 14 Quercus lyrata overcup oak Tree 12 12 14 14 17 17 Quercus michauxii swamp chestnut oak Tree 26 26 27 27 25 25 Quercus pagoda cherrybark oak Tree 0 1 1 Quercus phellos willow oak Tree 12 12 15 15 11 11 Salix nigra black willow Tree 0 1 1 Taxodium distichum bald cypress Tree 16 16 16 16 19 19 Ulmus alata winged elm Tree 7 2 9 Ulmus americana American elm Tree 12 12 19 19 21 21 Unknown Shrub or Tree 0 5 5 Vaccinium corymbosum highbush blueberry Shrub 3 3 5 5 5 5 Viburnum dentatum southern arrowwood Shrub 8 8 8 8 6 6 Stem count 135 103 238 143 0 143 152 0 152 size (ares) 9 9 9 size (ACRES) 0.22 0.22 0.22 Species count 23 6 21 15 0 15 17 0 17 Stems per ACRE 607.0 463.1 1070.2 643.0 0.0 643.0 683.5 0.0 683.5 Color for Density Exceeds requirements by 10% Color for Volunteers P = Planted V = Volunteers T = Total MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Table 9d. Vegetation Summary and Totals St. Clair Creek Restoration Project: DMS Project ID No. 95015 Year 3 (13 -Dec -2016) Vep,etation Plot Summary Information Plot # Riparian Buffer Stems' Stream/ Wetland Stems Live Stakes Invasives s Volunteers 4 Total Unknown Growth Form 1 14 14 0 0 21 35 0 2 16 16 0 0 22 38 0 3 16 16 0 0 4 20 0 4 16 16 0 0 12 28 0 5 13 13 0 0 0 13 0 6 9 9 0 0 4 13 0 7 21 21 0 0 29 50 0 8 13 13 0 0 8 21 0 9 17 17 0 0 3 20 0 Stem Class IBuffer Stems 2Stream/ Wetland Stems 3Volunteers 4Total Wetland/Stream Vegetation Totals (per acre) Plot # Stream/ Wetland Stems Volunteers 3 Tota 14 Success Criteria Met? 1 567 850 1416 Yes 2 647 890 1538 Yes 3 647 162 809 Yes 4 647 486 1133 Yes 5 526 0 526 Yes 6 364 162 526 Yes 7 850 1174 2023 Yes 8 526 324 850 Yes 9 688 121 809 Yes Project Avg 607 463 1070 Yes Riparian Buffer Vegetation Totals (per acre) Plot # Riparian Buffer Stems' Success CriteriaMet? 1 14 Yes 2 16 Yes 3 16 Yes 4 16 Yes 5 13 Yes 6 9 Yes Project Avg 566 Yes Characteristics Native planted hardwood trees. Does NOT include shrubs. No pines. No vines. Native planted woody stems. Includes shrubs, does NOT include live stakes. No vines Native woody stems. Not planted. No vines. Planted + volunteer native woody stems. Includes live stakes. Excl. exotics. Excl. vines. MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) Appendix D Hydrologic Data Table 10. Wetland Restoration Area Well Success St. Clair Restoration Project: DMS Project ID No. 95015 Well ID Percentage of Consecutive Days <12 inches from Ground Surface' Most Consecutive Days Meeting Criteria' Percentage of Cumulative Days <12 inches from Ground Surface' Cumulative Days Meeting Criteria' Year 3 (2016) Year 2 (2015) Year 1 (2013) Year 3 (2016) Year 2 (2015) Year 1 (2013) Year 3 (2016) Year 2 (2015) Year 1 (2013) Year 3 (2016) Year 2 (2015) Year 1 (2013) Wetland Monitoring Wells (Installed September 2013) SCAW1 13.1 12.3 1.0 37.0 34.8 2.8 61.7 39.3 8.5 174.0 110.8 24.0 SCAW2 9.2 3.3 3.8 26.0 9.3 10.8 19.9 16.1 30.6 56.0 45.5 86.3 SCAW3 9.6 13.4 2.3 27.0 37.8 6.5 44.3 37.5 9.4 125.0 105.8 26.5 SCAW4 6.0 12.3 7.8 17.0 34.8 22.0 35.8 20.3 17.3 101.0 57.3 48.8 Supplemental Wetland Monitoring Wells (Installed April 2016) **SCAW5 12.8 -- - 36.0 -- - 46.8 132.0 **SCAW6 3.9 -- 11.0 -- - 19.9 56.0 **SCAW7 9.6 -- 27.0 -- -- 33.0 93.0 **SCAW8 4.6 -- 13.0 -- -- 22.0 62.0 Reference Wells (Installed September 2013) SCAWREFI 40.9 57.9 24.8 115.3 163.3 70.0 77.9 93.7 46.4 219.8 264.3 130.8 SCAWREF2 43.8 60.1 27.0 123.5 169.5 65.5 76.9 94.1 44.5 216.8 265.5 125.5 Notes: 'Indicates the percentage of most consecutive or cumulative number of days within the monitored growing season with a water 12 inches or less from the soil surface. 2Indicates the most consecutive number of days within the monitored growing season with a water table 12 inches or less from the soil surface. 'Indicates the cumulative number of days within the monitored growing season with a water table 12 inches or less from the soil surface. Growing season for Beaufort County is from February 28 to December 6 and is282 days long. 12% of the growing season is33.8 days. HIGHLIGHTED indicates wells that did not to meet the success criteria for the most consecutive number of days within the monitored growing season with a water 12 inches or less from the soil surface. Following Year 3 wetland monitoring, two of eight wells exhibited hyrdroperiods greater than 12% during the 2016 growing season. These wells will be observed closely throughout monitoring Year 4. **To gather additional well data in the wetland restoration area, In -Situ groundwater monitoring dataloggers SCAW5 - SCAW 8 were installed in April 2017. The installatio of the additional dataloggers was completed during the 2016 spring wet season when groundwater levels are normally closer to the ground surface. MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR CREEK RESTORATION PROJECT (DMS PROJECT NO. 95015) St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 0.0 = 1.0 2.0 c 3.0 m 4.0 5.0 20 15 10 5 0 i -5 C -10 o -15 c -20 r -25 CL o -30 -35 -40 -45 -50 St. Clair Creek Wetland Restoration Well (UT2) (As -built well - SCAW1) 1 1 anA r 1A hR 1 v v In 1 1 1 SCAW1 Longest Hydroperiod of 37.0 days (13.1%): 1 GROWING SEASON 1 9/12/2016 - 10/18/2016 1 (2/28 -12/6) 1 1 12/26/2016 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date Ground Surface 12 inches SCAW1 Begin Growing Season End Growing Season St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 = 1.0 2.0 S 3.0 IX 4.0 5.0 St. Clair Creek Wetland Restoration Well (UT2) (As -built well - SCAW2) 5 1 1 Ground 0 1 I Surface -5 -12 inches 1 -10 dIT SCAW2 I 1A VT- -15 -20 Possible logging issue with datalogger, issue resolved 1 6/23/2016 Begin L_ C9 1 Growing -25 Season" 0 1 1 — — End Q. -30 Growing d 1 1 Season -35 1 -40 SCAW2 Longest Hydroperiod of 26.0 days (9.2%): 9/19/2016 - 10/14/2016 1 GROWING SEASON -45 (2/28 -12/6) -50 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date 1 St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 = 1.0 2.0 S 3.0 1 1 1 IX 4.0 5.0 St. Clair Creek Wetland Restoration Well (UT3) (As -built well - SCAW3) 5 1 1 Ground 0 Surface I A 1 h -5 -12 inches vyv V A A A 1 _ -10 vjj scAws d -15 a -a 1 1 _ -20 — — Begin 3 o I 1 Growing -25 1 Season C7 — — End s -30 Growing Q 1 1 Season o -35 1 1 -40 SCAW3 Longest Hydroperiod of 27.0 days (9.6%): 9/20/2016 - 10/16/2016 -45 (2/28 -12/6) -50 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date GROWING SEASON 1 1 1 1 St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 0.0 = 1.0 2.0 S 3.0 IX 4.0 5.0 5 0 -5 -10 c -15 r c� -20 C LO -25 (9 -30 t -35 D -40 -45 50 St. Clair Creek Wetland Restoration Well (UT3) (As -built well - SCAW4) 11/11/2016 12/26/2016 1 1 1 1 v\h �i till III 1 1 1 1 1 1 1 1 1 SCAW4 Longest Hydroperiod of 17.0 days (6.0%): 9/29/2016 - 10/15/2016 1 1 GROWING SEASON (2/28 -12/6) 1 1 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date Ground Surface 12 inches SCAW4 Begin Growing Season End Growing Season St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 = 1.0 2.0 c 3.0 1 well had been installed at least 2 days earlier; as evident by the higher April groundwater levels and rainfall amounts. GROWING SEASON 1 1 (2/28 - 12/6) I 1 4.0 IX 5.0 St. Clair Creek Wetland Restoration Well (UT2) (Supplemental Well - SCAWS) 5 1 1 Ground 0 Surface 1 1 -5 -12 inches E 1 -10 i SCAW5 -15 -20 1 — — Begin Growing 3 SCAWS Longest Hydroperiod of 36.0 days (12.8%): 9/12/2016 - 1\j 1 Season (D -25 10/16/2016 p Supplemental well, SCAWS was installed on April 23, 2016 to — — End Growing -30 document additional areas of wetland hydrology. SCAWS 1 Season G. d would likely have exceeded 12.8% of the growing season, if -35 -40 - 1 -45 -50 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date 1 well had been installed at least 2 days earlier; as evident by the higher April groundwater levels and rainfall amounts. GROWING SEASON 1 1 (2/28 - 12/6) I 1 I 1 St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 1 SCAW6 Longest Hydroperiod of 11.0 days (3.9%): 4/29/2/2016 -5/9/2016 Supplemental well, SCAW6 was installed on April 29, 2016. Groundwater levels from 2/28/2016 - 4/29/2016 were not recorded since SCAW6 is a supplemental well which was added to the site in 2016 to document additonal areas of wetland of hydrology. = 1.0 1 1 GROWING SEASON (2/28 - 12/6) 1 2.0 c 3.0 m 4.0 5.0 St. Clair Creek Wetland Restoration Well (UT2) (Supplemental Well - SCAW6) 5 Ground Surface 0 -12 inches -5 c L -10 SCAW6 M 3 -15 — Begin O -20 Growing Season L a O -25 — — End Growing Season a -30 d -35 -40 - -45 -50 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date I 1 1 I 1 SCAW6 Longest Hydroperiod of 11.0 days (3.9%): 4/29/2/2016 -5/9/2016 Supplemental well, SCAW6 was installed on April 29, 2016. Groundwater levels from 2/28/2016 - 4/29/2016 were not recorded since SCAW6 is a supplemental well which was added to the site in 2016 to document additonal areas of wetland of hydrology. 1 1 1 GROWING SEASON (2/28 - 12/6) 1 1 St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 = 1.0 2.0 c 3.0 1 m 4.0 5.0 St. Clair Creek Wetland Restoration Well (UT2) (Supplemental Well - SCAW7) 10 1 1 Ground 5 Surface 0 1 1 I -12 inches 1 NR. A A 1 -5 1 1 d SCAW7 -10 VIN -15 — — Begin Growing O-20 1 1 Season (9 1 1 — — End Growing o -25 1 Season a m -30 1 SCAW7 Longest Hydroperiod of 27.0 days (9.6%):9/19/2016 - 1 -35 10/15/2016 1 Supplemental well, SCAW7 was installed on April 26, 2016. 1 -40 1 Groundwater levels from 2/28/2016 - 4/26/2016 were not 1 GROWING SEASON recorded since SCAW7 is a supplemental well which was -45 (2/28 - 12/6) added to the site in 2016 to document additonal areas of 1 wetland of hydrology. -50 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date 1 St. Clair Creek Rain (2016) 1 I 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 = 1.0 2.0 SCAW8 Longest Hydroperiod of 13.0 days (4.6%): 5/29/2016 - 6/10/2016 Supplemental well, SCAW8 was installed on April 23, 2016. Groundwater levels from 2/28/2016 - 4/23/2016 were not recorded since SCAW8 is a supplemental well which was added to the site in 2016 to document additonal areas of wetland of hydrology. c 3.0 1 1 1 GROWING SEASON m 4.0 1 5.0 St. Clair Creek Wetland Restoration Well (UT2) (Supplemental - SCAW8) 5 Ground Surface O -12 inches -5 C A L -10 SCAW8 d �A 3 -15 3 — — Begin Growing -20 Season G -25 — —End Growing Season a -30 d -35 -40 - -45 -50 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date I 1 1 I 1 SCAW8 Longest Hydroperiod of 13.0 days (4.6%): 5/29/2016 - 6/10/2016 Supplemental well, SCAW8 was installed on April 23, 2016. Groundwater levels from 2/28/2016 - 4/23/2016 were not recorded since SCAW8 is a supplemental well which was added to the site in 2016 to document additonal areas of wetland of hydrology. 1 1 1 1 GROWING SEASON (2/28 - 12/6) 1 1 St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 0.0 1.0 2.0 6) 3.0 1 1 S 4.0 5.0 St. Clair Creek Wetland Reference Well (UT3) (REF1) 25 20 Ground Surface 15 10 -12 inches 5 _ 0- 1 SCAWREF1 -5 1 -10 — — Begin Growing 0 -15 1 Season -20 1 ° -25 REF1 Longest Hydroperiod of 115.3 days (40.9%): 1 2/28/2016 -6/22/2016 1 End Growing Q -30 1 1 Season m o -35 1 1 -40 1 1 -45 - GROWING SEASON 1 1 (2/28 -12/ -50 -55 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date 6) 1 1 St. Clair Creek Rain (2016) 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 0.0 1.0 2.0 S 3.0 IX 4.0 5.0 25 20 15 10 5 0 L -5 -10 -a -15 c c -20 o -25 ° -30 t CL -35 o -40 -45 -50 -55 -60 St. Clair Creek Wetland Reference Well (UT3) (REF2) 1 1 1 1 1 1 JIF 1 1 1 REF2 Longest Hydroperiod of 123.5 days (43.8%): 2/28/2016 -6/30/2016 GROWING SEASON (2/28 -12/6) 12/26/2016 1/1/2016 2/15/2016 3/31/2016 5/15/2016 6/29/2016 8/13/2016 9/27/2016 11/11/2016 12/26/2016 Date Ground Surface --12 inches SCAWREF2 I Begin Growing Season End Growing Season Figure 6. St. Clair Restoration Project DMS Project No. 95015 Year 3/2016 Observed Rainfall versus Historic Average 10.0 8.0 IL 6.0 0 .y y 4.0 U i-+ a 2.0 0.0 ��o ��4 tHistoric Average --*—Historic 30% probable --A Historic 70% probable —On -Site Observed 2016 Table 11. St. Clair Creek Flow Gauge Success (Year 3) St. Clair Creek Restoration Project: DMS Project ID No. 95019 Gauge ID Consecutive Days Meeting Criteria' Cumulative Days Meeting Criteria UT2 Flow Gauges SCFL 1 83.0 223.6 SCFL2 84.0 231.6 SCFL3 85.7 202.6 SCFL4 45.6 123.7 UT3 Flow Gauges SCFL5 61.1 162.0 SCFL6 61.2 179.5 Note s: 'Indicates the number of consecutive days within the monitoring year where flow was measured. 2Indicates the number of cumulative days within the monitoring year where flow was measured. Flow success criteria for the Site is stated as: A surface water flow event will be considered perennial when the flow duration occurs for a minimum of 30 days. MICHAEL BAKER ENGINEERING, INC. YEAR 3 MONITORING REPORT ST. CLAIR RESTORATION PROJECT (DMS PROJECT NO. 95015) St. Clair Rain (2016) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 0.0 1.0 2.0 ca 4— 3.0 ca 4.0 5.0 R Hurricane Matthew- 6.37 inches (10/6/2016- 10/9/2016) St. Clair Creek Flow Gauge SCFL1 (Downstream UT2) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 Date "0.75 inches denotes level at which flow occurs along the UT2 valley thalweg R ca _ M St. Clair Rain (2016) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 0.0 1.0 2.0 3.0 4.0 5.0 Hurricane Matthew - 6.37 inches (10/6/2016- 10/9/2016) St. Clair Creek Flow Gauge SCFL2 (Downstream UT2) ------------------------------------------------------------------------------------------------------------------------- ---- ------------------------------------------------------------------------------------------------------------------------- ---- --------------------------------- ---------------------------------------------------------------------------------------- ---- ----------------- --------------------------------------------------------------- ---- ------------------------------------------------------------------------------- ---- ---------------- Y R 3 MOST CONSECUTIVE DAYS--------------------------------------------------------------- ---- ------------------------------------------------------------------------------- ---- ---------------- CRITERIA MET - 84.0--------------------------------------------------------------- ---- ----------------- --------------------------------------------------------------- ---- ---------------- (1/1/2016 - 3/25/2016) -------------------------------------------------------------- ---- ----------------- -------------------------------------------------------------- ---- ---------------- -------------------------------------------------------------- ---- ------------------- ----------------------------------------------------------------------------------------------- ---- ----------------- ------------------------------------------------------------------------------------------------- ---- ---- ---- ------ --------------------------------------------------------------------------------------------------- ---- ---- ---- --------------------------------------------------- ------------------------------------------------------ ---- ---- ---- ------------------------------------------------- ------------------------------------------------------ ---- ---- ------------------------------------------------------ ------------------------------------------------------ ---- ---- --------------------------------------------------- ------------------------------------------------------ ---- ---- ----------------- -------------------------------- ------------------------------------------------------ ---- ---- ------------------ -------------------------------- ------------------------------------------------------ ---- - --- - ---------- -- ----------- - ----------------------- --- k--Tg::-------------------- L - -- - --- -------------------- ---- ----�- -- ------------------------�------- ---------------- ------------------------------- ------------------------------- ----- SCFL2 --- ----- 0.75 inches --- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- ------------------------------- --------------- W-------------------f-I------- 1/1/2016 1/31/2016 3/1 /2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 Date `0.75 inches denotes level at which flow occurs along the UT2 valley thalweg St. Clair Rain (2016) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 0.0 1.0 2.0 R 3.0 4.0 5.0 25.0 24.0 23.0 22.0 21.0 20.0 19.0 18.0 17.0 C 16.0 15.0 .� 14.0 y 13.0 p 12.0 y 11.0 10.0 R 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 1/1/2016 Hurricane Matthew - 6.37 inches (10/6/2016-10/9/2016) St. Clair Creek Flow Gauge SCFL3 (Upstream UT2) 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 Date D.75 inches denotes level at which flow occurs in the vicinity of the SCFL3 valley thalweg St. Clair Rain (2016) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 0.0 1.0 2.0 m 3.0 4.0 5.0 26.0 25.0 24.0 23.0 22.0 21.0 20.0 19.0 18.0 17.0 16.0 s 15.0 D 14.0 y 13.0 0 12.0 y 11.0 7 10.0 tc 9.0 C7 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 YR3 MOST CONSECUTIVE DAYS CRITERIA MET - 45.6 1/15/2016 - 3/1/2016) St. Clair Creek Flow Gauge SCFL4 (Upstream UT2) Hurricane Matthew- 6.37inches (10/6/2016-10/9/2016) -SCFL4 -0.25 Inches 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 Date ).25 inches denotes level at which flow occurs in the vicinity of the SCFL1 valley thalweg St. Clair Rain (2016) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 0.0 1.0 2.0 JT � 3.0 4.0 5.0 24.0 23.0 22.0 21.0 20.0 19.0 18.0 17.0 16.0 15.0 14.0 s 13.0 y CL 12.0 p 11.0 y 10.0 9.0 m 8.0 t7 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 Hurricane Matthew - 6.37 inches (10/6/2016-10/9/2016) St. Clair Creek Flow Gauge SCFL5 (Downstream UT3) ----------------------------------------------------------------------------------------------------------------------------- ------------------------------------- ------------------------------------------------------------------------------------------------------------------------------ - ------------------------YR3 MOST CONSECUTIVE ---------------------------------------------------------------------- 0.25 Inches ----- ------------------------ - ----------------------------------------------------------------------- ----- ------------------------ DAYS MET - 61.1 -------------------------------------------------------------- ------------------------------------ ------------------------- (1/1/2016 - 3/2/2016) -------------------------------------------------------------- - ----------------------------------- - -------------------------------------------------------------------------------------- ------------------------------------ - 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----------------------------------------------------- ------------------------------------ --------- ---------------- --------------i ---------- --------------------------------------- --------------- ------------------------------------ - -------- ---------------- -------------------------------------------------------------- ----------------------------------------------------- - -------------- ------------------------------------ --------------- ----- - - - -- -- -- - - _ _ - ___ --- _�____; ---------------------- :K ----__ -_- -- ---- -- 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 Date ).25 inches denotes level at which flow occurs along the UT3 valley thalweg St. Clair Rain (2016) 1/1/2016 1/31/2016 3/1/2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016 0.0 1.0 2.0 is = 3.0 4.0 5.0 22.0 21.0 --- 20.0 --- 19.0 - 18.0 - 17.0 - 16.0 - 15.0 - 14.0 - 13.0 --- 12.0 --- CL 11.0 --- 0 10.0 --- 9.0 --- 7 8.0 --- �j 7.0 --- 6.0 --- 5.0 --- 4.0 --- 3.0 --- 2.0 --- 1.0 0.0 1/1/2016 St. Clair Creek Site Flow Gauge SCFL6 (Upstream UT3) YR3 MOST CONSECUTIVE DAYS MET - 61.2 (1/15/2016-3/16/2016 1/31/2016 3/1 /2016 3/31/2016 4/30/2016 5/30/2016 6/29/2016 Date ).25 inches denotes level at which flow occurs along the UT3 valley thalweg Hurricane Matthew - 6.37 inches (10/6/2016- 10/9/2016) SCFL6 0.25 inches 7/29/2016 8/28/2016 9/27/2016 10/27/2016 11/26/2016 12/26/2016