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Home My WebLink About20091236 Ver 1_Year 4 Monitoring Report Final_20190506ID#* 20091236 Select Reviewer:* Mac Haupt Initial Review Completed Date 05/07/2019 Mitigation Project Submittal - 5/6/2019 Version* 1 Is this a Prospectus, Technical Proposal or a New Site?* Type of Mitigation Project:* W Stream W Wetlands r Buffer r Nutrient Offset (Select all that apply) Project Contact Information Contact Name:* Corey Novak - LMG Project Information r Yes r No Email Address:* cnovak@lmgroup.net Existing 20091236 Existing 1 (DWR) (nunbersonly ...nodash) Version: (nun-bersonly) I D#: * Project Type: f DMS r Mitigation Bank Project Name: Lower Cape Fear Umbrella Mitigation Bank - White Springs County: Brunswick Document Information Mitigation Document Type:* Mitigation Monitoring Report File Upload: White Springs Year 4 AMR Complete Final.pdf 40.84MB Rease upload only one RDF of the corrplete file that needs to be submitted... Signature Print Name:* Corey Novak Signature:* 001� �5' LOWER CAPE FEAR UMBRELLA MITIGATION BANK BRUNSWICK COUNTY, NORTH CAROLINA YEAR 4 MONITORING REPORT WHITE SPRINGS TRACT Prepared For: U.S. Army Corps of Engineers. Wilmington District and Inter -Agency Review Team (IRT) Prepared By: 4LMG LAND MANAGEMENT GROUP a DAVEY* company Land Management Group Wilmington, NC www.lmgroup.net April 2019 TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY 2.0. PROJECT OVERVIEW ...................... A. Introduction ................................. B. Mitigation Goals and Objectives C. Project Implementation .............. 3.0. MONITORING REQUIREMENTS A. Wetland Restoration............ B. Stream Restoration ............. 4.0 MONITORING RESULTS ..................................................... A. Vegetation Monitoring ................................................... B. Hydrologic Monitoring (Wetlands) ............................... 1. Summary of Precipitation ....................................... 2. Pocosin................................................................. 3. Wet Pine Savanna .................................................. 4. Small Stream Swamp ............................................. C. Stream Monitoring......................................................... 1. Photo -Documentation ............................................. 2. Ecological Function ................................................ 3. Channel Stability/Survey Procedures ..................... (a.) Cross -Sections (First Order Channel) ............. (b.) Longitudinal Profile (First Order Channel)....... (c.) Stream Flow Monitoring (First Order Channel) D. Contingency Measures ................................................. eel, r r 4 4 5 .7 .7 .8 .8 .9 .9 10 10 10 10 14 14 14 14 15 5.0 CONCLUSION................................................................................................................................17 LIST OF FIGURES, TABLES, AND APPENDICES Figure1................................................................................................................. White Springs Vicinity Map Figure 2.....................................................Aerial Photograph with Site Boundary Overlay (Pre -Construction) Figure 3A...............................................................................................Aerial Photograph with Well Overlay Figure 3B........................................................................ Aerial Photograph with Stream Monitoring Overlay Figure 4................................................................................................................. Wetland Community Types Table 1................................................................................. Vegetation Plots and Wells by Community Type Table2...................................................................................................................... Vegetation Data by Plot Table 3................................................................ Summary of Year 4 Hydrologic Monitoring Data (Pocosin) Table 4 ....................................... Summary of Year 4 Hydrologic Monitoring Data (Non -Riparian Reference) Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract Year 4 Annual Monitoring Report (April 2019) Table 5 ................................................ Summary of Year 4 Hydrologic Monitoring Data (Wet Pine Savanna) Table 6 .......................................... Summary of Year 4 Hydrologic Monitoring Data (Small Stream Swamp) Table 7........................................................................ Summary of Year 4 Bankfull Event Monitoring (2018) AppendixA.......................................................................................................................... Site Photographs Appendix B............................................................................................... Vegetative Monitoring Data (2018) Appendix C....................................................................................... Palmer Hydrologic Drought Index Maps Appendix D............................................................................................ North Carolina Drought Status Maps AppendixE....................................................................................................................... Hydrographs (2018) Appendix F........................................................................................................... Stream Morphological Data Appendix G...............................................................................................OHWM Indicators in Stream Valley Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract Year 4 Annual Monitoring Report (April 2019) 1.0 EXECUTIVE SUMMARY LCFUMB LLC (Bank Sponsor), has completed Year annual monitoring of the White Springs Tract of the Lower Cape Fear Umbrella Mitigation Bank. The White Springs Tract encompasses 72 acres, including 64.4 acres of non -riparian (i.e. pocosin and wet pine savanna) wetland restoration and 1.8 acres of riparian wetland restoration (small stream swamp). In addition, 1,312 If of first -order stream channel has been restored near the down -gradient section of the site. A total of 72 acres have been placed into a perpetual conservation easement for the long-term protection of the site. Restoration activities included Priority II restoration of the first order single -thread stream channel. Upstream of the first -order stream restoration, the existing, incised channel was widened, and its bed elevation was raised. Lateral ditches that flowed into the channel (including both the first -order stream and the ditch upstream) were backfilled with spoil from the channel work and plugged with clay material. The restored riparian wetland valley associated with the restored first -order stream was planted with characteristic wetland trees. All restoration work (including earthwork and plantings) was completed in April 2015. (Refer to the As -Built Report submitted June 2015 for more detailed information regarding the implementation of the White Springs Tract). Per the approved restoration plan, monitoring of the site includes the assessment of both hydrologic and vegetative conditions over the course of a seven-year monitoring period. Following the completion of the earthwork, a total of three (3) 0.05 acre plots were established in the riparian wetland planted area. A total of thirteen (13) shallow groundwater monitoring wells were installed throughout the site (including 2 gauges within the first -order stream channel). Hydrologic monitoring was conducted throughout the year (January 1 through December 31, 2018). The annual vegetation monitoring was conducted in September 2018. Based upon the data collected, planted areas exhibit a high rate of survivorship of characteristic wetland tree seedlings. The hydrologic response to restoration efforts is also evident via groundwater and surface water data collected. Hydrologic residency times have been increased, and wetland hydroperiods have been re- established across the site. Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 1 Year 4 Annual Monitoring Report (April 2019) 2.0 PROJECT OVERVIEW A. Introduction Construction of the White Springs Tract (72 acre project area) portion of the Lower Cape Fear Umbrella Mitigation Bank was initiated in February 2015. The tract is located east of NC Hwy 133 (River Road SE) and immediately north of the Military Ocean Terminal at Sunny Point (MOTSU) Access Road approximately 4 miles north of Southport, NC (Figure 1). The site boundary is depicted in Figure 2.1 The project includes approximately 64.4 acres of non -riparian (i.e. pocosin and wet pine savanna) wetland restoration, 1.8 acres of riparian (small stream swamp) wetland restoration, and 1,312 linear feet of first -order stream restoration. Restoration activities included earthwork (back -filling lateral ditches, installing reinforced clay plugs, and the Priority II restoration of the first order single - thread stream channel); raising and widening the incised channel above the first -order stream; planting of characteristic riparian wetland vegetation; and the installation of monitoring devices. The White Springs portion of the Lower Cape Fear Umbrella Mitigation Bank is intended to provide suitable, high- quality wetland mitigation for authorized impacts within the Lower Cape Fear River Basin (Cataloging Unit 03030005). B. Mitigation Goals and Objectives The objective of the White Springs restoration project is to provide for the functional restoration and ecological up -lift of wetland and stream habitat via the re-establishment of characteristic hydrologic conditions and vegetative assemblages. It is anticipated that a number of key wetland functions and values will be restored including floodwater retention/abatement, sediment retention, nutrient transformation, and increased habitat connectivity. The project offers the unique opportunity to restore a wetland complex that includes a first -order single thread stream, riparian small -stream swamp, non - riparian pocosin, and non -riparian pine savanna. C. Project Implementation Restoration activities were initiated in February 2015. Restoration work included Priority II restoration of the first order single -thread stream channel. Upstream of the first -order stream restoration, the Note that a conservation easement for the property was recorded and conveyed to the Land Trust for America. The recorded conservation easement plat was submitted with the Mitigation Banking Instrument. Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 2 Year 4 Annual Monitoring Report (April 2019) existing, incised channel was widened, and its bed elevation was raised. Grading work (including the removal of spoil piles) along this segment of the reach has resulted in the establishment of a low flow valley contiguous with the restored first order reach. Lateral ditches that flowed into the channel (including both the first -order stream and the ditch upstream) were backfilled with spoil from the channel work and plugged with clay material. Backfilling of ditches and the primary outlet canal in conjunction with the restoration of the stream channel is intended to restore characteristic wetland hydroperiods on the site. Planting of the restored riparian wetland valley associated with the restored first -order stream was conducted by Land Management Group (LMG) in April 2014. Plant material was provided by South Carolina SuperTree Nursery (Blenheim, SC). Bald cypress (Taxodium distichum) were planted in the valley bottom while Atlantic white cedar (Chamaecyparis thyoides) were planted on the valley slopes. A total of 3,000 seedlings were planted across the 1.8 acre riparian wetland restoration area. As part of the implementation of the restoration plan, LMG installed a total of eleven (11) automated shallow groundwater monitoring wells (RDS, Inc. WM-40s) within the 66.2 -ac restoration area (Figure 3A). The number of monitoring wells installed was proportional to the area of each community type. Per the restoration plan, seven (7) wells were installed in pocosin, two (2) wells were installed in pine savanna, and two (2) wells were installed in riparian wetlands. These wells were installed on March 26 and April 14 (2015). Note that Well #10 was recently determined to be in uplands, leaving six (6) wells remaining in pocosin. In addition, a total of three (3) automated wells have been installed within the identified non -riparian reference wetland area immediately east of the mitigation site (Figure 3A). Data from the reference wells will be used for comparative analyses to evaluate the hydrology of the wetland restoration areas. In addition to the groundwater monitoring wells, two (2) stream gauges were installed in the restored first -order stream channel (Figure 3B). These gauges will document bankfull events. The stream gauges were installed on March 26, 2015 (SG2) and April 14, 2015 (SG 1). Three (3) permanent 0.05 -ac vegetation plots were randomly established within the 1.8 -ac riparian wetland restoration area. The four (4) corners of each plot are marked with rebar and flagged PVC. GPS coordinates are provided in Figure 3B. The number of wells and vegetation plots by community type are provided in Table 1. Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 3 Year 4 Annual Monitoring Report (April 2019) Table 1. Vegetation Plots and Wells by Community Type Community Type Area/Length (ac/ft) Vegetation Plots Monitoring Wells Wet Pine Savanna 6.7 0 2 Pocosin 57.7 0 6 Riparian Wetland 1.8 3 2 First -Order Stream 1.312 (If) 0 2 (gauges) Non -restorable Areas 5.8 0 1 TOTAL 72 3 13 3.0 MONITORING REQUIREMENTS A. Wetland Restoration Annual monitoring is being conducted near the end of each growing season for a period of seven years. This monitoring includes both a vegetative and hydrologic component per the approved restoration plan. The vegetative component includes an assessment of the conditions within each of the three 0.05 -ac permanent monitoring plots that have been established in the riparian wetland restoration area. Hydrologic monitoring is being conducted via the ten (10) wells installed throughout the wetland restoration areas. The following are the specific success criteria for both the vegetation and hydrologic monitoring of the wetland restoration areas. (1) Demonstrated density of planted species to meet or exceed 210 trees per acre at the end of 7 years (post -planting). (2) No single volunteer species (most notably, red maple, loblolly pine, and sweet gum) will comprise more than 50% of the total composition at year 2 or 3. If this occurs, remedial procedures will be implemented. During years 4 & 5, no single volunteer species, comprising Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 4 Year 4 Annual Monitoring Report (April 2019) over 50% of the total composition, may be more than half the height of the planted trees. If this occurs, remedial procedures will be implemented. (3) The hydrologic criterion is premised on the specific community type to be restored. (a) For the riparian small stream swamp community, the hydrologic criterion will be the establishment of a static water table at, or within, 12" of the soil surface for 12% of the growing season (equivalent to 36 days based upon a growing season between February 1st and November 301")2 during periods of normal precipitation conditions. (b) For the non -riparian pocosin community, the hydrologic criterion will be the establishment of a static water table at, or within, 12" of the soil surface for 10% of the growing season (equivalent to 30 days based upon a growing season between February 1st and November 301h)2 during periods of normal precipitation conditions. (c) For the non -riparian pine savanna community, the hydrologic criterion will be the establishment of a static water table at, or within, 12" of the soil surface for 7% of the growing season (equivalent to 21 days based upon a growing season between February 1st and November 301h)2 during periods of normal precipitation conditions. B. Stream Restoration The primary success criteria for the First Order Stream are: Documentation of 2 bankfull events using techniques discussed below within a normal rainfall year in 3 of the 5 years of monitoring. Additional monitoring may be necessary in the event of abnormal climatic conditions. Level 1 Monitoring will be employed as detailed in the Stream Mitigation Guidelines, April 2003. Monitoring will occur every year for the five year monitoring period. Monitoring reports will be prepared each monitoring year and will include a discussion of any deviations and whether they are indicative of a stabilizing or destabilizing situation. Level 1 Monitoring includes the following: I Growing season based upon direction of IRT. Lower Cape Fear Umbrella Mitigation Bank— White Springs Tract Year 4 Annual Monitoring Report (April 2019) (1) Photo -Documentation Extensive photo documentation is included in the stream monitoring phase of this project. Photos will be taken at all permanent cross-sections on a bi-annual basis (winter and summer) in addition to any problem areas that may develop after construction is completed. Photos will be georeferenced to the corresponding cross-section and/or problem area as part of the submitted report. Photo documentation will also be used to document the health of the riparian area plantings and the effectiveness of any erosion control measures. (2) Ecological Function The health of the riparian vegetation will be documented as part of the wetland restoration monitoring efforts. Three 0.05 -acre permanent monitoring plots have been established throughout the riparian wetland restoration including areas directly adjacent to the restored channel. The success criteria for wetland restoration are provided in Section 3A above. (3) Channel Stability/Survey Procedures a. Cross -Sections (First Order Channel) The White Springs Tract includes the restoration of 1,312 If of first order Coastal Plain stream. The restoration mimics low gradient, low velocity stream reaches characteristic of the outer Coastal Plain. No hardened materials (i.e. rock structures) were used. Rather, natural materials (such as root wads and log vanes) will assist with channel stabilization and grade control. Given the size, uniform design, and gentle slope (0.39%) of the project, four permanent cross-sections have been established on approximate 330 -ft intervals of stream length. Placement of these stations has been designed to assess the performance of potential problem areas (e.g. severe erosion, structural failure, etc.). These stations are also distributed between riffles and pools (two in riffles and two in pools) throughout the project. Refer to Figure 313 depicting the approximate location of the cross-sections. b. Longitudinal Profiles (First Order Channel) Given the length of the restored channel (1,312 If), a longitudinal profile of the entire restored reach will be performed. Data presented in the annual monitoring reports will be shown in comparison to as -built conditions. Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract Year 4 Annual Monitoring Report (April 2019) c. Stream Flow Monitoring (First Order Channel) Documentation of stream flow within the project will also be conducted. Following stream construction activities, two (2) stream gauges were installed (Figure 313). These gauges will measure the elevation of water in the channel on an hourly basis and will be used to determine the cross-sectional area of the channel under a variety of flow conditions. 4.0 MONITORING RESULTS (YEAR 4) A. Vegetation Monitoring A total of 103 planted stems were enumerated throughout the three 0.05 -ac plots. For planted species, the total number of stems identified corresponds to an average density of 680 stems per acre (34 stems per 0.05 -ac plot) within the riparian wetland restoration area (Table 2). All of the plots exceeded the Year 7 minimum of 11 stems. As indicated above, bald cypress were planted in the valley bottom while Atlantic white cedar were planted on the valley slopes. Therefore, bald cypress is the only planted species in the vegetation monitoring plots. Several woody volunteers, including fetterbush (Lyonia lucida), swamp titi (Cyrilla racemiflora), and redbay (Persea borbonia) were identified throughout the riparian wetland corridor. The presence of these desirable volunteer species has contributed increased diversity and is indicative of the targeted wetland community type. No single volunteer species comprised more than 50% of the total composition in any of the monitoring plots. Refer to Appendix A for photographs of current site conditions. A comprehensive plot data table is provided in Appendix B. Table 2. Vegetation Data by Plot' 1 Plots are 0.05 -acre in size (20m X 10m). Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 7 Year 4 Annual Monitoring Report (April 2019) Plot 1 Plot 2 Plot 3 Planted (P) Species Common Name or o o o Volunteer Taxodium distichum bald cypress P 44 44 31 34 28 30 TOTAL 44 44 31 34 28 30 1 Plots are 0.05 -acre in size (20m X 10m). Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 7 Year 4 Annual Monitoring Report (April 2019) B. Hydrologic Monitoring (Wetlands) As indicated above, a total of thirteen (13) hydrologic monitoring wells/gauges were installed throughout the site. Of these thirteen (13) wells/gauges, ten (10) wells are located within the restored wetland areas. The number of wells installed within each restoration community type (pocosin, wet pine savanna, and riparian small stream swamp) is proportional to the acreage of each community type. 1. Summary of Precipitation Regional drought indices, including the Palmer Drought Index and the North Carolina Division of Water Resources (DWR) Drought Status Maps, were examined to interpret precipitation patterns and predicted subsurface water storage conditions relative to long-term climatic data. In particular, the Palmer Hydrological Drought Index maps depict hydrological (long-term cumulative) drought and wet conditions, which more accurately reflect groundwater conditions. Based upon the 2018 index maps, the Brunswick County area of North Carolina exhibited normal groundwater conditions on a monthly basis in January through August. The area was considered to be moderately moist in September. Groundwater conditions were considered to be extremely moist in October through December. The Palmer Hydrologic Drought Index maps for 2018 are included in Appendix C. The NC Drought Status Monitoring Program compares existing data to long-term (1965-2013) climatic conditions for well data, stream baseflow data, and combined well and baseflow data. Contoured percentile data (30th/70th percentiles) are graphically displayed on monthly drought images. Based upon these maps, subsurface storage (i.e. groundwater) conditions were considered normal during February through April and October. Subsurface storage conditions were considered above normal in January, May through September, November, and December. The NC DWR Drought Status Maps for 2018 are included in Appendix D. The nearest rain gauge (Sunny Point - NSUN) documented variable rainfall conditions throughout the year. The NSUN rain gauge malfunctioned from late February through early August. Data from the next closest rain gauge (Brunswick County Airport — KSUT) was substituted during this time. Local rainfall data are included in the hydrographs in Appendix E. Rainfall conditions were generally normal in January through early April, late May through early June, and mid-December. Rainfall conditions Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract g Year 4 Annual Monitoring Report (April 2019) were generally below normal (<301h percentile) in mid-April through mid-May. Precipitation was generally above normal (>70th percentile) from mid-June through early December and late December. Total rainfall for the year was 92.04 inches3. According to the WETS long-term climatic data, mean annual rainfall for Southport, NC is 60.71 inches (with a 30% chance of having less than 55.73 inches of annual precipitation and a 30% chance of having more than 65.88 inches of annual precipitation). As a result, total annual precipitation for the 2018 calendar year is considered above normal based upon the data from the Sunny Point (NC) and Brunswick County Airport (NC) CRONOS stations. 2. Pocosin Within the areas targeted for pocosin restoration, all of the six (6) wells exhibited hydroperiods of greater than 10% of the growing season (the hydrologic success criterion for pocosin). Note that Well #10 has recently been determined to be in upland. The observed mean length of the hydroperiod during the growing season (February 1 through November 30) for the six (6) pocosin wells was 87 days (equivalent to 28.7% of the growing season). The observed hydroperiods for these wells ranged between 11.6% of the growing season (Well #3) and 71.9% of the growing season (Well #6). Hydroperiods of the pocosin restoration wells generally resemble the non -riparian reference wells. Refer to Table 3 for a summary of the hydrologic data for the pocosin restoration wells. Refer to Table 4 for a summary of the hydrologic data for the non -riparian reference wells. Hydrographs are provided in Appendix E. 3. Wet Pine Savanna Both wells in the wet pine savanna restoration areas (Well #7) exhibited a hydroperiod greater than 7% of the growing season (the hydrologic success criterion for wet pine savanna). The observed mean length of the hydroperiod during the growing season (February 1 through November 30) forthese wells was 41 days (equivalent to 13.5% of the growing season). The I RT has expressed concern in the past regarding whether Well #11 meets the hydrologic criterion during periods that exclude above normal precipitation. In 2018, Well # 11 met the criterion during a period of normal rainfall from February 1 through February 21 (exhibiting groundwater levels at or near the surface for 20 consecutive days). Well #11 also exhibited several periods throughout the year of shallow surface inundation. In addition, 3 Total annual rainfall includes 28.26 inches of recorded rainfall from Hurricane Florence over a 5 -day period (September 12 through September 16). Lower Cape Fear Umbrella Mitigation Bank — White Springs Tract g Year 4 Annual Monitoring Report (April 2019) groundwater levels of Well #11 were within 12 inches of the soil surface for 162 days out of the year. Refer to Table 5 for a summary of the hydrologic data for the wet pine savanna restoration wells. Hydrographs are provided in Appendix E. 4. Small Stream Swamp Both of the wells in the small stream swamp restoration area exhibited hydroperiods greater than 12% of the growing season (the hydrologic success criterion for small stream swamp). The observed mean length of the hydroperiod during the growing season (February 1 through November 30) for these wells was 303 days (equivalent to 100% of the growing season). The observed hydroperiods for both wells were 100% of the growing season. Refer to Table 6 for a summary of the hydrologic data for the small stream swamp restoration wells. Hydrographs are provided in Appendix E. C. Stream Monitoring 1. Photo -Documentation Extensive photo documentation was implemented during Year 4 for the stream monitoring phase of this project. Site visits were conducted and photographs were taken at all permanent cross-sections and potential problem areas on several occasions during Year 4 monitoring. Photos were geo- referenced to the corresponding cross-section and potential problem area. Photo documentation was also used to document the health of the riparian area plantings and the effectiveness of erosion control measures. Refer to Appendix A for photographs of site conditions throughout Year 4 monitoring. 2. Ecological Function The health of the riparian vegetation was documented as part of the wetland restoration monitoring efforts. Three (3) 0.05 ac. permanent monitoring plots were established throughout the riparian wetland restoration area including areas directly adjacent to the restored channel. Reference the vegetation monitoring section for monitoring results. Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 10 Year 4 Annual Monitoring Report (April 2019) Table 3. Summary of Year 4 Hydrologic Monitoring (Pocosin) 2018 Growing Season February 1 - November 30 1 Well malfunction Jan 1 —Jan 8 Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 11 Year 4 Annual Monitoring Report (April 2019) Longest Number Of of Percentage10% Total Number of Consecutive Days Dates of Longest Number of Growing Success >6 - 12.5 25- Well Number days within 12" Meeting Wetland Consecutive Days Meeting Season Criteria (30 o 12.5/0 o 75/0 o >75/0 (Jan 1 — Dec 31) Hydrology Criteria Wetland Hydrology Criteria (Feb 1 — Days) 25% Nov 30) 1 358 84 Apr 24 — July 16 27.7 Yes -- -- X -- 2 243 43 Feb 1 — Mar 15 14.2 Yes -- X -- -- 3' 208 35 July 21 — Aug 24 11.6 Yes X -- -- -- 4 329 71 Apr 24 — July 3 23.4 Yes -- X -- -- 5 328 73 Apr 24 — July 5 24.1 Yes -- X -- -- 6 360 218 Feb 1 — Sept 6 71.9 Yes -- -- X -- 1 Well malfunction Jan 1 —Jan 8 Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 11 Year 4 Annual Monitoring Report (April 2019) Table 4. Summary of Year 4 Hydrologic Monitoring (Non -Riparian Reference Wells) 2018 Growing Season February 1 - November 30 Table 5. Summary of Year 4 Hydrologic Monitoring (Wet Pine Savanna) 2018 Growing Season February 1 - November 30 Longest Number Of Percentage7% Total Number of Consecutive Days Dates of Longest Number of of Growing Success >6 - 12.5 25- Well Number days within 12" Meeting Wetland Consecutive Days Meeting Wetland Season Criteria (21 ° 12.5/0 ° 75/0 ° >75/0 (Jan 1 — Dec 31) Hydrology Criteria Hydrology Criteria (Feb 1 — Days) 25% Nov 30) Ref 1 299 109 May 17 — Sept 2 36.0 Yes -- -- X -- Ref 2 277 44 Feb 1 — Mar 16 14.5 Yes -- X -- -- Ref 3 357 153 April 8 — Sept 7 50.5 Yes -- -- X -- Table 5. Summary of Year 4 Hydrologic Monitoring (Wet Pine Savanna) 2018 Growing Season February 1 - November 30 Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 12 Year 4 Annual Monitoring Report (April 2019) Longest Number Of Percentage of Total Number of Consecutive Days Dates of Longest Number of Growing ° 7% Success >6 - 12.5 25- Well Number days within 12" Meeting Wetland Consecutive Days Meeting Season Criteria (21 12.5% 75% ° >75/0 (Jan 1 — Dec 31) Hydrology Criteria Wetland Hydrology Criteria (Feb 1 — Days) 25% Nov 30) 7 358 216 Feb 1 — Sept 4 71.3 Yes -- -- X -- 11 162 33 July 21 — Aug 22 10.9 Yes X -- -- -- Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 12 Year 4 Annual Monitoring Report (April 2019) Table 6. Summary of Year 4 Hydrologic Monitoring (Small Stream Swamp) 2018 Growing Season February 1 - November 30 Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 13 Year 4 Annual Monitoring Report (April 2019) Longest Number Of Percentage of Total Number of Consecutive Days Dates of Longest Number of Growing ° 12% Success >6 - 12.5 25- Well Number days within 12" Meeting Wetland Consecutive Days Meeting Season Criteria (36 12.5% 75% ° >75/0 (Jan 1 — Dec 31) Hydrology Criteria Wetland Hydrology Criteria (Feb 1 — Days) 25% Nov 30) 8 365 303 Feb 1 — Nov 30 100.0 Yes -- -- -- X 9 365 303 Feb 1 — Nov 30 100.0 Yes -- -- -- X Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 13 Year 4 Annual Monitoring Report (April 2019) 3. Channel Stability/Survey Procedures (a.) Cross -Sections (First Order Channel) The Lower Cape Fear Umbrella Mitigation Bank has restored 1,312 If of Coastal Plain stream on the White Springs Tract. The restoration has mimicked low gradient, low velocity stream reaches characteristic of the outer Coastal Plain. No hardened materials (i.e. rock structures) were used. Rather, natural materials (such as root wads and log vanes) have assisted with channel stabilization and grade control. Given the size, uniform design, and gentle slope (0.39%) of the project, cross-sections were established on approximate 330 -ft intervals of stream length (totaling 4 permanent stations). Placement of these stations was designed to assess the performance of potential problem areas (i.e. severe erosion, structural failure). These stations were also evenly distributed between riffles and pools throughout the project. Refer to Figure 3B for the locations of the cross-section monitoring stations. Year 4 and baseline cross-section surveys are provided in Appendix F. A dimensional morphology summary table comparing Year 4 data to as -built (baseline) data is also provided in Appendix F. Reference the As -Built Report for more detailed information regarding baseline conditions. (b.) Longitudinal Profile (First Order Channel) Given the length of the restored channel (1,312 If), a longitudinal profile of the entire restored reach was performed. The Year 4 and baseline longitudinal surveys are provided in Appendix F. A stream survey data summary table comparing Year 4 data to as -built (baseline) data is also provided in Appendix F. Reference the As -Built Report for more detailed information regarding baseline conditions. (c.) Stream Flow Monitoring (First Order Channel) As indicated above, a total of two (2) gauges were installed within the stream channel to document bankfull events on an hourly basis. These gauges capture the upper and middle sections of the stream. Gauge SG1 was placed furthest up -gradient (third stream meander from source) in order to capture bankfull events at the head of the restored stream reach. Gauge SG2 is located approximately 600 feet further downstream. Refer to Figure 3A for a map depicting the locations of these gauges. Surface water and flow were documented in each of the two (2) gauges over several periods during the monitoring year. The valley exhibits a gentle slope (0.39%) from the upper end to the lowest end. The amplitude of the surface water varied at each gauge. Gauge SG exhibited a bankfull event sixteen (16) times during the monitoring period. Gauge SG2 recorded seventeen (17) bankfull events during the monitoring Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 14 Year 4 Annual Monitoring Report (April 2019) period. Both gauges exhibited bankfull events simultaneously during seventeen (17) time periods (Jan 12-13, Jan 29, April 24, May 19-20, May 28-29, July 20-21, July 24-26, July 28, July 29 -August 1, August 3-4, August 12-13, August 13-14, Sept 14-19, Nov 15, Nov 24-25, Dec 9-10, and Dec 14-16). The duration of each bankfull event ranged from several hours to seven (7) consecutive days. The three-day antecedent rainfall recorded prior to bankfull events ranged from 1.89 inches to 26.26 inches. Refer to Table 7 for a summary of bankfull events during Year 4 monitoring. Hydrographs are included in Appendix E. Hourly hydrographs are included for several of the dates where both stream gauges recorded overbank flooding. Video and photographic evidence of flow was recorded following rainfall events several times throughout the monitoring year. Video evidence of flow is provided on the enclosed DVD. General site photographs which include evidence of flow are provided in Appendix A. Ordinary High Water Mark (OHWM) indicators within the stream channel and floodplain were also observed during multiple site visits. Observed physical indicators of an OHWM consisted of the following: (1) natural line impressed on the bank; (2) changes in the character of soil; (3) presence of litter and debris; (4) wracking; (5) vegetation matted down, bent, or absent; (6) sediment sorting; (7) scour; (8) deposition; (9) multiple observed flow events; (10) bed and banks; (11) water staining; and (12) change in plant community. OHWM photos are provided in Appendix G. D. Contingency Measures Stream banks and in -stream structures (i.e. root wads, log vanes, etc.) were monitored for evidence of surface bank erosion (i.e. down -cutting) several times throughout the monitoring year. Some bank erosion was observed adjacent to the log vanes. These log vanes are located between the two downstream cross-sections (XS3 and XS4). Refer to the As -Built Report for more specific information regarding the location of these in - stream structures. There is an increase in the slope of the stream along this portion of the reach that is contributing to increased erosive forces. Therefore, some bank erosion is expected as the restored stream adjusts to dynamic equilibrium. However, bank stabilization contingency measures were employed in November 2017 to reduce basal erosion of banks in these localized areas. Eroding banks were fortified with rip -rap, #57 stone, and native soil material mixed with clay. Native riparian vegetation (i.e. wax myrtle and black willow) were also planted on the repaired stream bank slopes to provide a buffer during high flow events. These contingency measures appear to be effectively aiding bank stabilization. Also as a result of higher velocity flow in this relatively steeper portion of the stream, some minor aggradation has been documented in the pool at the cross-section located furthest downstream (XS4). Based on comparisons of cross-section Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 15 Year 4 Annual Monitoring Report (April 2019) Table 7. Summary of Year 4 Bankfull Event Monitoring (2018) Gauge Number Total Number of Bankfull Events Longest Number of Consecutive Days During Bankfull Event 3 -Day Antecedent Rainfall (Inches) Dates of Bankfull Event(s) (Sunny Point- NSUN / Brunswick County Airport -KSUT) SG1 16 7 Jan 12-13 2.71 (through 1/12) Jan 29 - 30 2.17 (through 1/29) Apr 24 2.06 (through 4/24) May 19 - 21 3.17 (through 5/19) May 28 - 30 2.29 (through 5/28) July 20 - 21 2.42 (through 7/21) July 24 - 27 2.63 (through 7/27) July 28 -Aug 1 2.87 (through 8/1) Aug 3 - Aug 5 3.16 (through 8/4) Aug 12 -13 3.69 (through 8/13) Aug 13 -14 3.69 (through 8/13) Sept 14-20 26.26 (through 9/16) Nov 15 2.43 (through 11/15) Nov 24-26 3.00 (through 11/26) Dec 9 -10 1.89 (through 12/10) Dec 14 -16 2.35 (through 12/15) SG2 17 6 Jan 12-13 2.71 (through 1/12) Jan 29 2.17 (through 1/29) Apr 24 2.06 (through 4/24) May 19 - 20 3.17 (through 5/19) May 28 - 29 2.29 (through 5/28) July 20 - 21 2.42 (through 7/21) July 24 - 26 3.11 (through 7/26) July 28 2.63 (through 7/27) July 29 -Aug 1 2.87 (through 8/1) Aug 3 - Aug 4 3.16 (through 8/4) Aug 12 -13 3.69 (through 8/13) Aug 13 -14 3.69 (through 8/13) Sept 14-19 26.26 (through 9/16) Nov 15 2.43 (through 11/15) Nov 24-25 2.92 (through 11/25) Dec 9 -10 1.89 (through 12/10) Dec 14 -16 2.35 (through 12/15) Lower Cape Fear Umbrella Mitigation Bank -White Springs Tract 16 Year 4 Annual Monitoring Report (April 2019) survey data between baseline and Year 4 monitoring, this aggradation appears to be relatively minor and does not appear to have any significant adverse effects on stream geomorphology or function. 5.0 CONCLUSION Hydrologic data confirm the re-establishment of hydrology characteristic of the target habitats across the site as a result of the earthwork completed during the early growing season. Removal of the large outlet canal in conjunction with the re -contouring of the first -order stream valley has resulted in the connection of headwater wetland areas to White Springs Creek. There has been a discernible hydrologic response indicating the restoration of key hydrologic functions relating to water storage and groundwater recharge within the system. Vegetation and hydrologic monitoring of the project area indicate that the site is progressing well during the fourth year following the implementation of the restoration activities. Vegetation data document high rates of survivorship among the planted species (x stem density = 680 stems per acre). No significant vegetation issues were noted. Overall, the site appears to be progressing well toward the targeted wetland community types. The restoration site is already providing key wetland functions via the reduction of sediment/nutrient runoff; increased nutrient retention/transformation; increased floodwater storage; and the enhancement and protection of wildlife habitat. The restored first -order stream channel and the zero -order stream valley up -gradient from the channel support a diverse assemblage of benthic macroinvertebrates. Wetland hydrology has been reestablished across the site. The one area around Well #11 (cited as area of potential concern by the Corps in prior years) appears to exhibit characteristic wet pine savanna hydrology as evidenced by groundwater within 12 inches of the soil surface for extended periods of time during normal rainfall. In addition, this area exhibited several periods of shallow surface inundation throughout the 2018 growing season. This area along with the other groundwater monitoring wells will continue to be monitored throughout 2019 (the fifth year post -construction). Vegetation monitoring will continue through 2021 (7 years post -construction). Lower Cape Fear Umbrella Mitigation Bank —White Springs Tract 17 Year 4 Annual Monitoring Report (April 2019) FIGURES 7. Loo .r ,. surripsa .,. I . 5,�'T fr r � ��.� •` � — i ■J IILL --° - �I � �r�,`�".��'� � j . fl r� dry so � � VLL a + 133 � I+ : 4 UTA OCEA. E f, `:� `� f SITE r f i f r y� Y I}TY SE � s I � ,; _ Price's Gr6tk- . r 1 � � ,rte Lighthouse f t 1h{7��'7+f �✓n Y J fid' W4! + Boundaries are approximate and are not meant to be absolute. Map Source: DeLorme: North Carolina Atlas and Gazetteer., 1997 p. 87. Lower Cape Fear Umbrella Mitigation Bank Figure 1. (White Springs Tract) White Sprinqs Vicinity Map Brunswick County 4LMG 02 1 Miles LAND MANAGEMENT GROUP a DNJEY2 company Boundaries are approximate and are not meant to be absolute. Map Source: 2012 NC OneMap Aerial Photography Lower Cape Fear Umbrella Mitigation Bank Brunswick County, NC LMG # 01-13-038A 4�LMG LAND MANAGEMENT GROUP a DAYEYfcompany www.lmgroup.net 3805 Wrightsville Avenue Wilmington, NC 28403 Phone: 910.452.0001 Fax: 910.452.0060 SCALE 1" = 300' (when printed at 11"x17") Figure 2. Aerial Photograph with Site Boundary Overlay (Pre -Construction) Ii I*Boundaries are approximate and are not meant to be absolute. Map Source: 2012 NC OneMap Aerial Photography Lower Cape Fear Umbrella Mitigation Bank Brunswick County, NC LMG # 01-13-038A 4 e s 4 r i' y :* ,. -5, WELL ID 1 R FI 2 f5 y� Y 4 J 5 14EB5F56 ;g t � 14EB334E 'Al S i yv x QST 8 14EB7E88 4 e s 4 r i' y :* ,. -5, WELL ID 1 SERIAL NUMBER 14EBC1 BB 2 14EB5F7E 3 Y 4 J 5 14EB5F56 6 14EB334E 'Al S i yv x QST 4 e s 4 r i' y :* ,. -5, WELL ID 1 SERIAL NUMBER 14EBC1 BB 2 14EB5F7E 3 14EB15E1 4 14EBB9C2 5 14EB5F56 6 14EB334E 7 14EB1637 8 14EB7E88 9 14EB7FOB 10 14EB95B4 11 14EBC2B0 SG 1 14EB7E85 SG 2 14EBC215 Ref 1 EBDDCDF Ref 2 9DE68CC Omm L M G LAND MANAGEMENT GROUP a DAfEY2 company www.lmgroup.net 3805 Wrightsville Avenue Wilmington, NC 28403 Phone: 910.452.0001 Fax: 910.452.0060 Legend Monitoring Well Reference well 0 Stream Gauge Vegetation Plot Cross -Section Profile Stream Restoration SCALE 1" = 300' (when printed at 11 "x1 T) Figure 3A. Aerial Photograph with Well Overlay Ilk M 4. r . r v • a a � 9 � i �, a��}.f ..� Vit+. �`_t��{A,. -I� y i - •r',. ,Y� r_ _ ��; °:. '�+�� - !rte �!, ,'% `�' * 1• r �r4 ,::_ '• t• x .�,¢.. �t iib ZSt k e'+ `M„yi" • s. J_ rr.Y w 3 ur 2�w; rA I& Rr , i , i y:b T, y 14A rte. 1' 7 r" _'.- �;_- Legend ® Monitoring Well ® Reference well 0 Stream Gauge Vegetation Plot Cross -Section Profile Stream Restoration *Boundaries are approximate and are not meant to be absolute. SCALE 1" = 150' Map Source: 2012 NC OneMap Aerial Photography (when printed at 11"x17") Lower Cape Fear Umbrella 4LMG Mitigation Bank LAND MANAGEMENT GROUP Figure 313. a DWEY# company Aerial Photograph Brunswick County, NC www.lmgroup.net 3805 Wrightsville Avenue with Stream Monitoring Overlay LMG # 01-13-038A Wilmington, NC 28403 Phone: 910.452.0001 Fax: 910.452.0060 GPS Coordinates VP1 VP2 VP3 33.987720 corner 1 33.987345 corner 1 33.987107 corner 1 -78.028097 -78.027242 -78.026653 33.987623 corner 2 33.987265 corner 2 33.987022 corner 2 -78.028152 -78.027323 -78.026678 33.987658 corner 3 33.987185 corner 3 33.987068 corner 3 -78.027895 -78.027122 -78.026443 33.987592 corner 1 33.987138 corner4 33.986992 corner4 -78.027928 -78.027178 -78.0264801 1 T, y 14A rte. 1' 7 r" _'.- �;_- Legend ® Monitoring Well ® Reference well 0 Stream Gauge Vegetation Plot Cross -Section Profile Stream Restoration *Boundaries are approximate and are not meant to be absolute. SCALE 1" = 150' Map Source: 2012 NC OneMap Aerial Photography (when printed at 11"x17") Lower Cape Fear Umbrella 4LMG Mitigation Bank LAND MANAGEMENT GROUP Figure 313. a DWEY# company Aerial Photograph Brunswick County, NC www.lmgroup.net 3805 Wrightsville Avenue with Stream Monitoring Overlay LMG # 01-13-038A Wilmington, NC 28403 Phone: 910.452.0001 Fax: 910.452.0060 Stream Restoration Riparian Wetland Restoration 1.8 ac Ron Riparian Pine Savannah • • • • • Non Riparian Wetland Restoration 57.7 ac Pocosin Non Restorable Areas 5.8 ac Total Mitigation Bank Site 72 ac (Conservation Easement) Monitoring Well (11) 0 Reference Well (3) PRELIMINARY NOTE: This Is Not An Engineered, Survey, or Architectural Drawing. Linear Measurements and Area Calculations are Approximate. NOTE: Parcel Boundaries From Brunswich County GIS. Aerial is dated 2014. APPENDIXA. SITE PHOTOGRAPHS (1) View of bald cypress at Vegetation Plot 2 (April 2018) (2) View of riparian plantings (March 2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a DAVEYI company Site Photographs Annual Monitoring (Year 4) (3) View of Vegetation Plot 1 (September 2018) (4) View of Vegetation Plot 2 (September 2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a WAVEY#- company Site Photographs Annual Monitoring (Year 4) (5) View of overbank flooding (January 2018) (6) View of overbank flooding (January 2018) Lower Cape Fear Umbrella4LMG Site Photographs Mitigation Bank Annual Monitoring LAND MANAGEMENT GROUP White Springs Tract a#- company (Year 4) (7) View of inundated floodplain during bankfull event (April 2018) (8) View of inundated floodplain during bankfull event (April 2018) Lower Cape Fear Umbrella4LMG Site Photographs Mitigation Bank Annual Monitoring White Springs Tract LAND MANAGEMENT GROUP a DA EY# company (Year 4 ) (9) View of restored stream (April 2018) (10) View of restored stream (April 2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a DAVEYI tympany Site Photographs Annual Monitoring (Year 4) (11) View of restored stream (April 2018) (12) View of restored stream (April 2018) Lower Cape Fear Umbrella4LMG Site Photographs Mitigation Bank Annual Monitoring LAND CROUP White Springs Tract co Year 4 a D/�EY� company ( ) (13) View of cross-section XS1 looking upstream (April 2018) (14) View of cross-section XS1 looking upstream (November 2018) Lower Cape Fear Umbrella4LMG Site Photographs Mitigation Bank Annual Monitoring LAND MANAGEMENT GROUP White Springs Tract a u�v$ company (Year 4) (15) View of cross-section XS2 looking upstream (April 2018) NO �• ' t� s . - �' (16) View of cross-section XS2 looking upstream (November 2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a WEA company Site Photographs Annual Monitoring (Year 4) (17) View of cross-section XS3 (April 2018) (18) View of cross-section XS3 (November 2018) i ' Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a WEA company Site Photographs Annual Monitoring (Year 4) (19) View of cross-section XS4 looking downstream (April 2018) .;I; (20) View of cross-section XS4 looking downstream (November 2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a WEA company Site Photographs Annual Monitoring (Year 4) (21) View of repaired bank scour area (January 2018) (22) View of repaired bank scour area (April 2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract 4LMG LAND MANAGEMENT GROUP a DAVEYI company Site Photographs Annual Monitoring (Year 4) (23) View of repaired bank scour area (April 2018) (24) View of repaired bank scour area (September 2018) Lower Cape Fear Umbrella4LMG Site Photographs Mitigation Bank Annual Monitoring White Springs Tract LAND MANAGEMENT GROUP a DA EY# company (Year 4 ) APPENDIX B. VEGETATIVE MONITORING DATA (2018) Lower Cape Fear Umbrella Mitigation Bank White Springs Tract Appendix B. Vegetation Data by Plot Year 4 (2018) Species Name Common Name Planted (P) Volunteer (V) r r a N r a M r a Taxodium distichum bald cypress P 44 31 28 Pinus spp. unidentified pine V 67 15 2 Vaccinium corymbosum highbush blueberry V 31 3 0 Nyssa sylvatica black gum V 1 18 0 Lyonia lucida fetterbush V 40 14 43 Magnolia virginiana sweet bay V 1 0 0 Ilex glabra inkberry V 4 13 3 Ilex coriacea gallberry V 2 0 0 Morella cerifera wax myrtle V 0 5 1 Cyrilla racemiflora swamp titi V 32 50 53 Rhus copallinum winged sumac V 0 0 0 Baccharis halimifolia baccharis V 0 7 0 Persea borbonia red bay V 12 15 14 Gordonia lasianthus loblolly bay V 21 0 0 Ilex opaca amencan holly V 0 0 1 Itea virginica Virginia sweetspire V 0 0 1 Total Stems of Planted Species 44 31 28 Total ems of PlantedSpecies + Volunteer Species 227 171 146 BASELINE r N M r 0 r 0 r 2 a a a 44 341 30 APPENDIX C. PALMER HYDROLOGIC DROUGHT INDEX MAPS Palmer Hydrological Draught Index January, 2018 M i i ---] �J i 4_00 -aoa -2.00 -1.% ark W. b 10 a ? -9 +N +99 10 b�'lpvr X94 -2.94 Palmer Hydrological Drought Index February, 2018 J� _..'or nnm i +a.0a and abM nrwgac orOUTC amps rang rraa morn WIM -4.00 -ao0 4.00 -1.94 +29 +a.W +a.09 am 10 10 b 10 and WON -2.99 +1.99 +2.99 +3.94 abo" Palmer Hydrological Drought Index March, 2018 -4Aa X04 ,2.W -1.99 +2a +3.04 ADO 4e9 -2 0 +1.99 2 w +aw Palmer Hydrological Drought Index April, 2018 dra I aarol "M *f*8 MM' magi 4AO -a04 4.00 -1.99 X200 +3.04 +4.a4 --M - 99 +1" + 2A +3. b*W 99 80 Palmer Hydrological Drought Index May, 2018 r M i F—� = � 1 4A0 -3.w 4.0 -1.99 +2Ad +3.114 +4.DD and 6o- to io to b wo WON -3.99 -2.99 .1.94 +2.99 +3.99 2404 Palmer Hydrological Drought Index June, 2018 -4AQ -3-00 4.D4 -1.94 +204 40 +4.D4 20 b W 10 in to wo WON -3.94 -2.99 +1.94 +2% +]-$O abo* Palmer Hydrological Draught Index July. 2018 drwglit -40 and b*K aagnl dr rage mpi6t -3.04 -2.Dd -1.94 +2* b 10 10 m -3.94 -2.991 .1 .94 +299 Palmer Hydrological Drought Index August. 2018 M +3.no to +3.94 woo - +ire' — irodwata dr«�gnt ernugpt &-r range Maio ' moist Mug' -4AQ -3.04 4.00 -1.99 +2-94 +3.00 +•1.00 arra Id I➢ In in 13 W4 W(W -3.94 -2.99 +1.94 +2% +3.84 It" Palmer Hydrological Drought Index September, 2018 -CM -300 -2.07 and b .0 "*wF -3.$4 -2.99 -1.91) .200 +8, ADD .� 10 b and «1.94 -2 79 +3.d4 40Mv Palmer Hydrological Drought Index October, 2018 4JPO -3.CG —2.06 —1.86 4A 400 and b bb b b wt WOW -3.93 ,296 +1,96 +2A AO X04 Palmer Hydrological Drought Index November, 2018 4.00 -300 -2.00 -1.99 .200 +3.00 +6.00 and to 1010 to 10 Wd W" -399 -29 +1.99 +299 .3.99 aoo v Palmer Hydrological Drought Index December, 2018 moderde WV D -2.99 M M( 1 M M 4.00 -3.00 -2.00 -1.99 ,2.00 +3.00 +6.00 arw t0 a 10 to 10 aro 1} " -3.99 +1.99 +2.99 +3.99 a4a+o APPENDIX D. NORTH CAROLINA DROUGHT STATUS MAPS North Carolina Division of Water Resources January 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources February 28, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources March 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources April 30, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources May 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources June 30, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources July 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources August 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources September 30, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 North Carolina Division of Water Resources October 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 n North Carolina Division of Water Resources November 30, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 n North Carolina Division of Water Resources December 31, 2018 DWR Drought Image Percentile 100 90 80 70 60 50 40 30 DO 20 D1 10 D2 D3 D4 0 APPENDIX E. HYDROGRAPHS (2018) NSUN Raingauge malfunction, data substituted from KSUT beginning Feb 21, 2018 and ending Aug 4, 2018 March 2018 90 day Precipitation Assessment 52 48 44 40 36 32 28 24 20 16 12 8 4 0 _ _1 ■■ — — — — — — ti� ti� ti� ti� ti� ti� ti� ti� ti� ti� ti� ti� ti� �aI �a� deo hep hep lea �aI ti w tip' titi' tip' ti tip' ti� Ilk ti tiff ti� ,�V NSUN and KSUT Raingauge 90 Day Total 30% 70% L M G Precipitation Data Obtained from: MOTSU Station NSUN, and BC Airport Station KSUT (www.nc-climate.ncsu.edu) LAND MAaCAMY-compmp 30% and 70% precipitation normals obtained from: WETS Station SOUTHPORT 5 N, 1971-2000 (wcc.nres.usda.gov) a DAIEY� company NSUN Raingauge malfunction, data substituted from KSUT beginning Feb 21, 2018 and ending Aug 4, 2018 90 day Precipitation Assessment 52 48 44 40 36 32 28 24 20 16 12 8 June 2018 4 0 — — —1 —■ A ■■_� _ ■_ �00 �00 �00 �00 ti00 ti� ti1 ti1b ,y.PQ� �.PQt yyPQt AVIV PQt � KSUT Raingauge 90 Day Total 30% 70% LM G Precipitation Data Obtained from: Brunswick County Airport Station KSUT (www.nc-climate.ncsu.edu) LAND MAaCAMY-compmp 30% and 70% precipitation normals obtained from: WETS Station SOUTHPORT 5 N, 1971-2000 (wcc.nres.usda.gov) a DAIEY� company NSUN Raingauge malfunction, data substituted from KSUT beginning Feb 21, 2018 and ending Aug 4, 2018 52 48 44 40 36 32 28 24 20 16 12 8 4 0 _ on I■ A __.l■ _I_ _ I. ti� tiIb ti00 ti0 tiIb tiro o,- NSUN and KSUT Raingauge 90 Day Total 30% 70% 90 day Precipitation Assessment September 2018 L M G Precipitation Data Obtained from: MOTSU Station NSUN, and BC Airport Station KSUT (www.nc-climate.ncsu.edu) LAND MAaCAMY-compmp 30% and 70% precipitation normals obtained from: WETS Station SOUTHPORT 5 N, 1971-2000 (wcc.nres.usda.gov) a DAIEY� company 52 48 44 40 36 32 28 24 20 16 12 8 4 0 00 ,y. December 2018 90 day Precipitation Assessment 00 ti� ti� ti� ti� ti� ti� ti� ti� `N . 0 0 � NSUN Raingauge 90 Day Total 30% 70% L M G LAND MANAGEMENT GROUP a DAIEA company _■ L _. 0 Oen �00 Oen ti0 Oen, ti0 Oen, Precipitation Data Obtained from: MOTSU Station NSUN (www.nc-climate.ncsu.edu) 30% and 70% precipitation normals obtained from: WETS Station SOUTHPORT 5 N, 1971-2000 (wcc.nres.usda.gov) Hydrology Assessment 12 6 I OJ U 18 i 7 N C -24 O O i C7 -30 -36 -42 ■1_ ■ II _ I _ ■I■I --■ ■I _■ _I I_ _� 4 titi tio; ti� Date IIIIIIIIIIIIIIIIIIIIIIIIIINSUN and KSUT Raingauge Well 1 (14E1C1BB) (Well 2 (14EB5F7E) 0" Ground Surface -12" Threshold March 2018 9 8 7 6 CA v U U 5 C O M 4 Q 3 2 1 0 �*LAI G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND M NT GROUP aDAFE Icomp company Wells 1, 2 - Ecotone WM40 - January 1, 2018 to March 31, 2018 - One reading per day at 7:00 am a DAVEY�. Company June 2018 Hydrology Assessment 12 9 6 8 0 7 GJ s U -6 6 GJ in 9 G1 v s J u -12 6 }1 0 0 GJ a-+ MW i � 'v N � i � a C -24 3 3 O i C7 -30 2 -36 1 ■ I■I_ I■ 1 I .II ■ _ _ ■ II I_ ■_ _ I■ -42 0 ti00 ti� ti� IV N ti� ti� ti� ti� aA aA aA NP S .�J� ti w by titi ti� o`er y�� tion �A 3 do Date MKSUT Raingauge --O--Well 1 (14E1C1BB) --m—Well 2 (14EB5F7E) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 1, 2 - Ecotone WM40 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am a DAIEY� company September 2018 Hydrology Assessment 12 9 670-1 ------ - -1 --------- --- - -- 8 0 7 Z v U U -6 6 v 1 > v U U -12 5 O O O Qj 4-1 M -18 4 Q i � U � a C -24 3 O O i C7 -30 2 -36 1 -42 ■ .I ■ _ I_� _III ■� I_ I_ I . ■ .I _■ ■ 0 00 00 00 00 00 00 00 00 00 00 00 00 �•�`N IN �•�` �•�` �•�` �•�` QJ¢o Pao Quo QJav geQ geQ g�Q 5�Q 5�Q 'y 4' Date 1111111111111111111111111INSUN and KSUT Raingauge Well 1 (14E1C1BB) --m—Well 2 (14EB5F7E) 0" Ground Surface -12" Threshold 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT company NTGxoUP aWells 1, 2 - Ecotone WM40 - July 1, 2018 to September 30, 2018 - One reading per day at 7:00 am a DLVEI('� 12 6 0 December 2018 Hydrology Assessment 9 8 7 6 4 Q (7 3 2 -36 1 -42 ■■�■ I I. ��.■. I _ I_ ■ I� I ■ I I. II-�- 0 ti00 00 � ti � ti� ti� ti� ti� ti� � ti � ti IN °J, °J, 0-r °J, 0& ti w tiff tip' 0��,ti ti� ti peg peg, peg peg, peg, titi- tip- tip- Date 111111111111111111INSUN Raingauge Well 1 (14E1C1BB) --m—Well 2 (14EB5F7E) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp a DAIEY� company Wells 1, 2 - Ecotone WM40 - August 1, 2018 to December 31, 2018 - One reading per day at 7:00 am Well 3 malfunction - data gap Jan 1 to Jan 8 Hydrology Assessment March 2018 12 - - 9 6 - - 8 0 7 1 G1 s U -6 - - 6 G1 in 9 G1 � s U -12 5 M C C GJ M a -18 4 Q i � 'v N � i � a C -24 3 3 O i C7 -30 2 -36 1 -42 ■1_ ■ �I _ I _ ■I■I - -■ ■I _■ _I I_ _� 0 ti00 ti� ti0 ti0 ti00 ti� ti� ti� ti� ti� p ti0 ti00 Sao ,ate Sao ,ap ,ate lea hep lea lea �a� mac mat fat titi ti� ti� tip' tio; ti� Date IIIIIIIIIIIIIIIIIIIINSUN and KSUT Raingauge +Well 3 (14EB15E1) --m—Well 4 (14EBB9C2) --.A Well 5 (14EB5F56) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 3, 4, 5 - Ecotone WM40 - January 1, 2018 to March 31, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 W June 2018 Hydrology Assessment 9 8 7 6 H G1 s U 5 -36 -42 _ I_I_ �■ 11 _ II .111■ _1 _ ■ ti0 ti0 ti0 ti0 ti0 ti0 ti� ti ti� titi ti� �� y�� tion tiIV� 3 Date MKSUT Raingauge Well 3 (14EB15E1) (Well 4 (14EBB9C2) —* Well 5 (14EB5F56) — 11111- 1.$ ■_ -11- $ til ti$ 0" Ground Surface -12" Threshold 2 1 N LM Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 3, 4, 5 - Ecotone WM40 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am a DAIEY� company September 2018 Hydrology Assessment 12 9 6 8 0 / 7 GJ s U V 11 6 � N GJ � s U a) -12 5 C 0 GJ M -18 4 +� � sZ >_ 3 'v N � i -24 3 a C 3 O i C7 -30 2 -36 1 ■ .I ■ _ I_�I _III ■� I. 1_ I ■ I .I _■ I■ 42 0 00 � ti� ti� �� 00 00 00 00 � 00 Date IIIIIIIIIIIIIIIIIIIIIIIIIINSUN and KSUT Raingauge Well 3 (14EB15E1) —*--Well 4 (14EBB9C2) Well 5 (14EB5F56) 0" Ground Surface -12" Threshold L M G LAND MANAGEMENT GROUP a DAIEYI company Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) Wells 3, 4, 5 - Ecotone WM40 - July 1, 2018 to September 30, 2018 - One reading per day at 7:00 am Hydrology Assessment 12 6 December 2018 6 G1 9 GJ J i N -12 a-+ M GJ U -18 i 3 N -24 C 3 O i C7 -30 9 8 7 6 — H G1 s U C 5 -36 -42 •■�■ I I.■_._ _ I _ I_ ■ ti1b ti� ti� ti� ti� ti� ti� ti� OL't OL't OL+c OL+t OL+tI X01( 0r BOJ BOJ ti tip' titi' tip' 4 tiff ti� ti� Date L 1■ 1 ti0 ti0 ti00 3 do tip' MNSUN Raingauge Well 3 (14EB15E1) --m—Well 4 (14EBB9C2) Well 5 (14EB5F56) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY _compmp Wells 3, 4, 5 - Ecotone WM40 -.October 1, 2018 to December 31, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 0 March 2018 Hydrology Assessment 9 8 7 6 (7 ON -36 -42 ■1_ ■ �I _ I _ ■I■I - -■ ■I _■ _I I_ _� .tiw ti� .tip .tip .tip .tiw .tiw .tip .tip .tiw .tiw .tiw .tip Sao ,ate ,ap ,,a�• Sao lea hep lea hep mac fat fat mac ti � tip' titi' tip' �' titi ti� ti� h tip' ti� ti� 4 Q 3 2 1 N Date IIIIIIIIIIIIIIIIIIIIIIIIIINSUN and KSUT Raingauge Well 6 (14EB334E) --m—Well 7 (14EB1637) Well 8 (14EB7E88) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 6, 7, 8 - Ecotone WM40 - January 1, 2018 to March 31, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 0 June 2018 Hydrology Assessment 9 8 7 6 H G1 s U 5 = -36 -42 - �_�_ �■ _ �1 .III■ _1 _ ■ ti0 ti0 ti0 ti0 ti00 �aA �aA Date 11111111111111111111111111KSUT Raingauge Well 6 (14EB334E) Well 7 (14EB1637) --i Well 8 (14EB7E88) — 0" Ground Surface -12" Threshold 2 1 0 LM Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 6, 7, 8 - Ecotone WM40 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am a DAIEY� company ti� ti� ti� NP 0" Ground Surface -12" Threshold 2 1 0 LM Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 6, 7, 8 - Ecotone WM40 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 0 September 2018 Hydrology Assessment 9 8 7 6 H G1 s U 5 -36 2 1 ti00 ti� `s 00 `s ti� ti0 ti0 ti00 ti� ti� `s 00 00 IVY NJ� �J� PJ�o QJQo QJQo QJ4o gQ,Q gQ,Q c,QQ c,¢Q c,¢Q ti w ti`'titi ti� h titi. tip. ,��- � Date MNSUN and KSUT Raingauge --o--Well 6 (14EB334E) --*--Well 7 (14EB1637) —* Well 8 (14EB7E88) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 6, 7, 8 - Ecotone WM40 - July 1, 2018 to September 30, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 0 December 2018 Hydrology Assessment 9 8 7 6 H G1 s U 5 = -36 -42 .■�■ I I. ��.. I _ I_ ■ I� ti00 ti00 ti00 ti00 ti� ti� ti� ti� ti� ti� �0 �0 C►0 C►0 Oe`, ti w ti`' tip' ti� c; tiy- tip, Date 1111111111111111111111111INSUN Raingauge Well 6 (14EB334E) +Well 7 (14EB1637) - Well 8 (14EB7E88) — 2 ■■■ ■■ 0 00 00 Oe�IN Oe�IN Oe�,y� Oe�,y00 NVI 0" Ground Surface -12" Threshold LM Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY _compmp Wells 6, 7, 8 - Ecotone WM40 -.October 1, 2018 to December 31, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 0 March 2018 Hydrology Assessment 30 -36 -42_ A� / _ - - -A- _A- _ - - /-- i� �� i ,i� i� i� ,i� 7� tip' Date ti00 Al 9 8 7 6 H G1 s U 5 C O a-+ M 4 Q 3 2 1 0 U G1 i a MNSUN and KSUT Raingauge Well 9 (14EB7FOB) (Well 10 (14EB95B4) Well 11 (14EBC2130) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 9, 10, 11 - Ecotone WM40 - January 1, 2018 to March 31, 2018 - One reading per day at 7:00 am a DAIEY� company June 2018 Hydrology Assessment 12 9 6 8 0 7 GJ -6 **Wei s u C G1 in 9 G1 v s J u N -12 5 0 0 41 GJ M U -18 4 +' � sZ i N � i � a -a -24 — 3 C 3 O i (9 -30 2 -36 1 I- - �- 0 ti0 ti0 ti0 ti00 yoSYo Date MKSUT Raingauge Well 9 (14EB7F0B) +Well 10 (14EB95B4) Well 11 (14EBC2B0) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Wells 9, 10, 11- Ecotone WM40 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am a DAIEY� company Well 10 malfunction - data gap Sept 14 to Oct 16 Hydrology Assessment September 2018 12 9 6 8 0 7 v U U C -6 6 > v v s J U QJ -12 5 O O OJ 4-1M U -18 4 +� M sZ i N N L -24 3 a C O O i (9 -30 2 -36 1 ■ ■ _ I_�I _III ■� I. 1_ I ■ I .I _■ I■ 42 0 ti00 ti� ti� ti� ti� ti0 ti0 ti0 ti00 ti� ti00 ti� ti00 Date IIIIIIIIIIIIIIIIIIIIIIIIINSUN and KSUT Raingauge Well 9 (14EB7FOB) +Well 10 (14EB95B4) Well 11 (14EBC2B0) 0" Ground Surface -12" Threshold 4LMG LAND MANAGEMENT GROUP a DAVEYI Company Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) Wells 9, 10, 11- Ecotone WM40 - July 1, 2018 to September 30, 2018 - One reading per day at 7:00 am Well 10 malfunction - data gap Sept 14 to Oct 16 Hydrology Assessment December 2018 12 9 6 8 4 0 v 7 U U C 6 > — 6 v J U a -12 C 5 MC 3:. O OJ U -18 4 (gyp +' � sZ N Z i -24 3 a C O O i C7 -30 2 -36 — - 1 -42 .■�■ �.. _ I_ ■ I� I ■ I I. II_■_ 0 ti0 ti0 ti0 ti0 ti0 ti0 ti00 ti� ti� ti0 ti0 ti0 ti0 ti00 G'C' G'l' ,0 ,0 0 ,0 ,y 0`1 p`1 p`1 p`1 eC eC eC eC eC tih ,lti y�� TV Date 1111111111111111111111111INSUN Raingauge Well 9 (14EB7F0B) (Well 10 (14EB95B4) Well 11 (14EBC2B0) 0" Ground Surface -12" Threshold 4LMG LAND MANAGEMENT GROUP a DAVEY* Company Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) Wells 9, 10, 11- Ecotone WM40 -.October 1, 2018 to December 31, 2018 - One reading per day at 7:00 am 18 12 6 v U U .0. 0 v v J -6 41 U -12 i 7 N C -18 O O i (7 24 March 2018 Hydrology Assessment -30 -36 ■1_ ■ �I _ I _ ■I■I --■ ■I _■ _I I_ _� N,a0 �a� dao ,,a�• �a� hep lea �e� �e� �a� fat �a� mac tib; ti°� ,titc Date IIIIIIIIIIIIIIIIIIIIIIIIIINSUN and KSUT Raingauge Well SG1 (14EB7E85) (Well SG2 (14EBC215) 0" Top of Bank 9 8 7 6 CA v U U 5 C O M 4 Q 3 2 1 0 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT cxoUP aDMFEY�. Company Stream Gauges 1 and 2 - Ecotone WM40 - January 1, 2018 to March 31, 2018 - One reading per day at 7:00 am a DAVE 18 12 6 June 2018 Hydrology Assessment 24 -30 1. 11 . 11 .111. -1 - N 00 00 00 IN IN IN y�P AVIV 'LSP ��S y''�`S 10�S Date �KSUT Rai ngauge Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank 9 8 7 6 CA v U U 5 C O M 4 Q 3 2 1 0 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT cxoUP aDMFEY�. Company Stream Gauges 1 and 2 - Ecotone WM40 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am a DAVE 18 12 6 September 2018 Hydrology Assessment 24 30 36 00 N 'NI)N 1b' 4LMG LAND MANAGEMENT GROUP a DAVEY* Company 9 8 7 6 Z v U U 5 C O M 4 Q U OJ i a 3 2 1 0 00 ti00 ti00 ti00 ti00 ti00 ti00 ti� ti� ti� ti00 ti00 IN 41, �titi ti� titi ti� ti� ti' �' tip' ,yam ,�o Date 1111111111111111111111111INSUN and KSUT Raingauge Well SG1 (14EB7E85) (Well SG2 (14EBC215) 0" Top of Bank Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) Stream Gauges 1 and 2 - Ecotone WM40 - July 1, 2018 to September 30, 2018 - One reading per day at 7:00 am Hydrology Assessment 18 12 6 24 December 2018 9 8 7 6 v U U 5 E C O M 4 Q 3 2 -30 1 -36 ■0 ■ I I. ��.■. I _ I_ ■ I� I ■ I I. II—�— 0 ti1 til til ti0 ti00 ti ti00 ti ti0 ti0 til til ti00 ti ti ti y tiff ti°' ti� 3 do tip' ti°` ,,ti Date 1111111111111111111111111INSUN Raingauge Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT cxoUP aDMFEY�. Company Stream Gauges 1 and 2 - Ecotone WM40 - October 1, 2018 to December 31, 2018 - One reading per day at 7:00 am a DAVE 24 18 Z v U U 12 OJ i v J i OJ M 3> 6 v U 7 N M a c 0 C7 -6 -1L 12 -Jan -18 4LMG LAND MANAGEMENT GROUP a DAVEYI Company Hydrology Assessment January 2018 2 I. _1 0 A A pllo�o�o�o�o�opopopopopopop tii. tib. 1o. ��o.Po. ti. �. �. tio. tiff. "IN*ti�. ti�. 1o. Iti. 13 -Jan -18 Date �NSUN Raingauge --o—Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) Stream Gauges 1 and 2 - Ecotone WM40 - January 12, 2018 to January 13, 2018 - One reading per hour 24 18 Z v U U 12 OJ i v J i OJ M 3> 6 v U f6 i 7 N M a c 0 C7 Hydrology Assessment April 2018 2 -6 -12 ■ 1 , , p 00 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0. ti• l:• ',i• t;• 4• �. '�' 'b' 0i' ,y0' ,yti• 11ti ,y3• "IN* y�• ti�O yN • y�• y�• ,LO• ,Lti• ILv 1L1* 24 -Apr -18 Date � KSUT Raingauge +Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank Q 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND M NT GROUP aDMFE Icomp company Stream Gauges 1 and 2 - Ecotone WM40 - April 24, 2018 - One reading per hour a DAVEY�. Company Hydrology Assessment 24 18 FUJI -6 — - - -12 I� ■ 1 �I�I� 1 O' '3' �O• �i' ,yti' ,y�i' ,yti' ,yti' O' 3' �O• �i' ,yti' ,y�i' y4i' ,Lti• O' '�i' 0• �' ,yti' yy. ,�Qi• ,yti• 19 -May -18 20 -May -18 Date IIIIIIIIIIIIIIIIIIIKSUT Raingauge Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 21 -May -18 0" Top of Bank May 2018 2 IC L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Stream Gauges 1 and 2 - Ecotone WM40 - May 19, 2018 to May 21, 2018 - One reading per hour a DAIEY� company 24 18 FUJI Hydrology Assessment -6 ♦� 12 I I I 1 ■ ■ o Al �• Op by Op O tiw O� titi O� o O� 3 O� O� 61 by 61 ff ti 61 tiw O� titi O� o• O� �• O� �• O� �• 61 yp b OP OP tiw OP 28 -May -18 29 -May -18 Date IIIIIIIIIIIIIIIIIIIKSUT Raingauge --*--Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 30 -May -18 0" Top of Bank May 2018 2 IC Q L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAV"-compmp Stream Gauges 1 and 2 - Ecotone WM40 - May 28, 2018 to May 30, 2018 - One reading per hour a DAIEY� company 24 18 Z v U U 12 OJ i v J i OJ M 3> 6 v U 7 N M a c 0 C7 -6 Hydrology Assessment June - July 2018 2 -12 . ■••u ■u IN. IN. I I u u . . I Ill. uuI . u I 4�1 �, �� 0� �� 4p 0P �� 1 46,4p 0p 0� 0� 4p 0p o. ,� • y�. �ti• �• yti• y�. ,y. 06. y�. ,yti• �;• yy. y�. Iv C5. y�. ,y3• (6. ti,;. ,yo• 3• $r • o. -N- o. N• y�. �ti• �• yti• y�. 24-Jul-18 24 -Jul -18 25 -Jul -18 26 -Jul -18 27 -Jul -18 28 -Jul -18 29 -Jul -18 30 -Jul -18 31 -Jul -18 1 -Aug -18 Date KSUT Rai ngauge —*--Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank N 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT cxoUP aDMFEY�. Company Stream Gauges 1 and 2 - Ecotone WM40 - July 24, 2018 to August 1, 2018 - One reading per hour a DAVE Hydrology Assessment 24 18 August 2018 2 FUJI -6 12 Op O� O� O� O� O� O� O� O� O� O� O� O� O� O� O� OP ,Lti' O' '�' �O �i ,yti ,�`i y4i ,Lti O' '�i• 0• �',y�i 'ti ,I>. 12 -Aug -18 13 -Aug -18 Date IIIIIIIIIIIIIIIIIIINSUN Raingauge Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 14 -Aug -18 0" Top of Bank N L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAV"-compmp Stream Gauges 1 and 2 - Ecotone WM40 - August 12, 2018 to August 14, 2018 - One reading per hour a DAIEY� company 36 30 24 September 2018 Hydrology Assessment LVZ -6 -12 0, 00 00Al 00 Al 00Al zP 00 00 00 00 00 00 00 00 zP 00 zP 00 00 00 00 00 00 00 Al O' <o ,yti' 46* O' <o' ,yti' ,y4i• O' 0 yti' y4i• O' 0' yti' .Y O' �o' .Y .Y O' 16,,yti' ycb• O' <o' ,yti' ,y4i 14 -Sep -18 15 -Sep -18 16 -Sep -18 17 -Sep -18 18 -Sep -18 19 -Sep -18 20 -Sep -18 Date �NSUN Raingauge --o—Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank 4 3 C 2 C a-+ M 1 N Q L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAV"-compmp Stream Gauges 1 and 2 - Ecotone WM40 - September 14, 2018 to September 21, 2018 - One reading per hour a DAIEY� company November 2018 Hydrology Assessment 36 4 30 -6 12 0 E VIII_ _ 1 0 00 00 0000 00 00 00 00 00 00 00 00 00P 00 00 00 00 00 60 00 00 00 00 CI' 11ti ,y'' 1141 ,Lti' 0' oi' ' ,y�i' ,y4i' ,Lti' O' 0' �' ,yti ,,� I Ny , 1y 1 24 -Nov -18 25 -Nov -18 26 -Nov -18 Date IIIIIIIIIIIIIIIIIIINSUN Raingauge Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT GROUP Stream Gauges 1 and 2 - Ecotone WM40 - November 24, 2018 to November 26, 2018 - One reading per hour a DA "#- company 24 3 GJ u U C 18 1^ GJ v J U U C GJ fC 3> 12 2 0 GJ � U U 3 � N 6 � a c 3 0 C7 0 �.� -- __- _ _- _ 1 -6 12 0 E VIII_ _ 1 0 00 00 0000 00 00 00 00 00 00 00 00 00P 00 00 00 00 00 60 00 00 00 00 CI' 11ti ,y'' 1141 ,Lti' 0' oi' ' ,y�i' ,y4i' ,Lti' O' 0' �' ,yti ,,� I Ny , 1y 1 24 -Nov -18 25 -Nov -18 26 -Nov -18 Date IIIIIIIIIIIIIIIIIIINSUN Raingauge Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 0" Top of Bank L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT GROUP Stream Gauges 1 and 2 - Ecotone WM40 - November 24, 2018 to November 26, 2018 - One reading per hour a DA "#- company December 2018 Hydrology Assessment 36 4 30 5 24 3 v U U C 18 Z OJ v J s U OJ M 3> 12 2 C 41 N U_ M N 6 � a c 0 C7 0 r, _ _ _ 1 -6 12 - - 1 ■ ■ 1 I I ■ ■ ■ ■ ■ - ■ ■ ■ 1 ■ 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 o by tiw titi o 3 by tiff tiw titi o• �• �• �• ti,L ti� tiw titi 14 -Dec -18 15 -Dec -18 Date IIIIIIIIIIIIIIIIIIIIIIIIIINSUN Raingauge --*--Well SG1 (14EB7E85) --m—Well SG2 (14EBC215) 16 -Dec -18 0" Top of Bank 4LMG Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MANAGEMENT cxoUP aDMFEY�. Company Stream Gauges 1 and 2 - Ecotone WM40 - December 14, 2018 to December 16, 2018 - One reading per hour a DAVE Hydrology Assessment 12 — 6 — 0 -36 -42 ■�_ _ �I _ . I _ �I�I --■ ■I _■ _1 .tip ti� .tip ti� ti� .tiw .tip .tip .tip .tiw .tiw �aO ti tip' titi' tip' ti' tiff ti� ti� Z Date March 2018 9 8 7 6 H G1 s U 5 2 1 0 �NSUN and KSUT Raingauge Ref 1 (EBDDCDF) fRef 2 (9DE68CC) }Ref 3 (EBD36B8) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Reference Wells 1, 2, 3 - Ecotone WM20 - January 1, 2018 to March 31, 2018 - One reading per day at 7:00 am a DAIEY� company June 2018 Hydrology Assessment 12 — 9 6 - — 8 0 7 G1 G1 9 J in G1 U -12 5 }1 fC C C GJ -18 41 f6 — 4 +' i 3 N 'v � i � -a -24 a 3 C 3 O i -30 2 -36 1 -42 _ I_I_ I■ 1 _ I .II ■ _ _ ■ II I_ ■_ _ 1_ 0 N ti 'b ,yh AVIV 11* �� sl§ NIP 115 ,yp �,�� Date 11111111111111111111111111KSUT Raingauge Ref 1 (EBDDCDF) fRef 2 (9DE68CC) Ref 3 (EBD36B8) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp a DAIEY� company Reference Wells 1, 2, 3 - Ecotone WM20 - April 1, 2018 to June 30, 2018 - One reading per day at 7:00 am September 2018 Hydrology Assessment 12 - 9 6 8 0 7 G1 s U C , -6 - 6 I t U -12 5 M C C GJ M -18 4 +' i 3 'v N � i � a 'a -24 - 3 C 3 O i C7 -30 2 -36 1 ■ .I ■ _ I_� _III ■� I_ 1_ I ■ I .I _■ I■ -42 0 ti0 ti0 ti0 ti0 ti00 ti� ti� ti0 ti00 .�•?` �•?` �J` �J` �J` QOQv QJ40 PJ¢o QJ¢O ��Q �eQ 5¢.'Q 50'Q 50'Q ,ip Date �NSUN and KSUT Raingauge Ref 1 (EBDDCDF) fRef 2 (9DE68CC) }Ref 3 (EBD36B8) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY-compmp Reference Wells 1, 2, 3 - Ecotone WM20 - July 1, 2018 to September 30, 2018 - One reading per day at 7:00 am a DAIEY� company 12 6 0 GJ s U C 6 G1 9 GJ J -12 GJ -18 i 3 N 'a -24 C 3 O i (7 -30 -36 -42 ■■�■ I I. ��.■. I _ I_ ■ ti1 tiq ti0 til tilb ti ti00 %AP ti' �' tiy' .yti' ti� tiff 0 Date December 2018 Hydrology Assessment L I. til ti1b Qe� 3 Qe� do 9 8 7 6 H G1 s U 5 = C O a-+ M 4 +' Q Z G1 i a 3 2 1 ti0 ti0 ti00 oeC OeC OeC 1111111111111111111111111INSUN Raingauge Ref 1 (EBDDCDF) --m—Ref 2 (9DE68CC) Ref 3 (EBD36B8) 0" Ground Surface -12" Threshold L M G Lower Cape Fear Umbrella Mitigation Bank at White Springs (01-13-038a) LAND MAaCAMY _compmp Reference Wells 1, 2, 3 - Ecotone WM20 -.October 1, 2018 to December 31, 2018 - One reading per day at 7:00 am a DAIEY� company APPENDIX F. STREAM MORPHOLOGICAL DATA White Springs Longitudinal Profile - Year 4 {bed • bankfull o x -section 0 200 400 600 800 1000 1200 Channel Distance (ft) White Springs Longitudinal Profile - Baseline {bed 0 bankfull o x -section 0 200 400 600 800 1000 1200 Channel Distance (ft) 35 34 33 32 31 30 29 28 35 34 33 32 31 30 29 28 c a a LL White Springs Longitudinal Profile - Year 4 (Sta 0+00 to 0+200) {bed • bankfull o x -section 34.5 34 33.5 33 32.5 32 0 20 40 60 80 100 120 140 160 180 200 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+00 to 0+200) --m-- bed • bankfull o x -section A • • • 34.5 34 33.5 33 32.5 32 0 20 40 60 80 100 120 140 160 180 200 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+00 to 0+200) --m-- bed • bankfull o x -section 34.5 34 • 33.5 33 32.5 32 0 20 40 60 80 100 120 140 160 180 200 Channel Distance (ft) • • 0 a) w � 77 U__� 34.5 34 • 33.5 33 32.5 32 0 20 40 60 80 100 120 140 160 180 200 Channel Distance (ft) White Springs Longitudinal Profile - Year 4 (Sta 0+200 to 0+400) --m— bed • bankfull o x -section 200 220 240 260 280 300 320 340 360 380 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+200 to 0+400) --m--bed • bankfull o x -section 34.5 34 • 33.5 33 32.5 32 31.5 400 200 220 240 260 280 300 320 340 360 380 400 Channel Distance (ft) 34.5 34 33.5 33 32.5 32 31.5 0 c� a) 200 220 240 260 280 300 320 340 360 380 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+200 to 0+400) --m--bed • bankfull o x -section 34.5 34 • 33.5 33 32.5 32 31.5 400 200 220 240 260 280 300 320 340 360 380 400 Channel Distance (ft) 34.5 34 33.5 33 32.5 32 31.5 C a a LL White Springs Longitudinal Profile - Year 4 (Sta 0+400 to 0+600) -bed • bankfull o x -section 400 420 440 460 480 500 520 540 560 Channel Distance (ft) Q ca a� w White Springs Longitudinal Profile - Baseline (Sta 0+400 to 0+600) bed • bankfull o x -section 34 33.5 33 32.5 32 31.5 31 30.5 580 600 400 420 440 460 480 500 520 540 560 580 600 Channel Distance (ft) 34 33.5 33 32.5 32 31.5 31 0 a� LU 600 620 White Springs Longitudinal Profile - Year 4 (Sta 0+400 to 0+600) {bed • bankfull o x -section 34 33.5 33 32.5 32 31.5 31 30.5 640 660 680 700 720 740 760 780 800 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+600 to 0+800) gybed • bankfull o x -section 600 620 640 660 680 700 720 740 760 780 800 Channel Distance (ft) 34 33.5 33 32.5 32 31.5 31 • •• ••• ••• •• •• • 34 33.5 33 32.5 32 31.5 31 30.5 640 660 680 700 720 740 760 780 800 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+600 to 0+800) gybed • bankfull o x -section 600 620 640 660 680 700 720 740 760 780 800 Channel Distance (ft) 34 33.5 33 32.5 32 31.5 31 White Springs Longitudinal Profile - Year 4 (Sta 0+400 to 0+600) {bed • bankfull o x -section 33 32.5 32 31.5 31 30.5 30 29.5 29 800 820 840 860 880 900 920 940 960 980 1000 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+800 to 0+1000) {bed • bankfull o x -section • • • • • A ••• • • •• •• • • 0 as • a� • • 33 32.5 32 31.5 31 30.5 30 29.5 29 800 820 840 860 880 900 920 940 960 980 1000 Channel Distance (ft) White Springs Longitudinal Profile - Baseline (Sta 0+800 to 0+1000) {bed • bankfull o x -section • • • • • A • • • • 33 32.5 32 31.5 31 30.5 30 800 820 840 860 880 900 920 940 960 980 1000 Channel Distance (ft) 0 a� w White Springs Longitudinal Profile - Year 4 (Sta 0+1000 to 0+1307) {bed • bankfull o x -section 1000 1050 1100 1150 1200 1250 Channel Distance (ft) c a a LL White Springs Longitudinal Profile - Baseline (Sta 0+1000 to 0+1317) {bed • bankfull o x -section 32 31.5 31 30.5 30 29.5 29 28.5 28 1300 1350 32 31.5 31 30.5 30 29.5 29 28.5 28 1000 1050 1100 1150 1200 1250 1300 1350 Channel Distance (ft) 37 36 35 tZ Cz 34 a� ED 33 32 31 XS1 Pool Year 4 Ground Year 4 Bankfull —*--Baseline Ground 0 2 4 6 8 10 12 14 16 18 Year 4 Bankfull elevation (ft) 33.61 Pool width, Wbkfp (ft) 10.3 Pool cross-section area, Abkfp (sq ft) 7.7 Mean pool depth, dbkfp (ft) 0.8 Max pool depth, dmbkfp (ft) 1.5 Width (ft) Baseline Bankfull elevation (ft) 33.77 Pool width, Wbkfp (ft) 10.5 Pool cross-section area, Abkfp (sq ft) 6.7 Mean pool depth, dbkfp (ft) 0.6 Max pool depth, dmbkfp (ft) 1.3 37 36 35 34 0 Cz 33 a) Lu 32 31 30 XS2 Riffle Year 4 Ground Year 4 Bankfull —*--Baseline Ground 0 2 4 6 8 10 12 14 16 Year 4 Width flood -prone area, Wf, (ft) 111.3 Bankfull elevation (ft) 33.42 Riffle width, Wbkf (ft) 9.4 Entrenchment ratio, ER [WfpjWbkf] 11.8 Riffle cross-section area, Abkf (sq ft) 7.3 Mean riffle depth, dbkf (ft) 0.8 Width -to -depth ratio, [Wbkf/dbkf] 12.1 Max riffle depth, dmbkf (ft) 2.1 Max riffle depth ratio, [dmbkf/dbkf] 2.7 Bankfull wetted perimeter, P (ft) 11.0 Low bank height, LBH (ft) 2.1 Low bank height ratio, BHR [LBH/dmbkfl 1.00 Width (ft) Baseline Width flood -prone area, Wf, (ft) 104.1 Bankfull elevation (ft) 33.21 Riffle width, Wbkf (ft) 9.2 Entrenchment ratio, ER [Wfpu/Wbkf] 11.4 Riffle cross-section area, Abkf (sq ft) 5.5 Mean riffle depth, dbkf (ft) 0.6 Width -to -depth ratio, [Wbkf/dbkf] 15.3 Max riffle depth, dmbkf (ft) 1.3 Max riffle depth ratio, [dmbkf/dbkf] 2.2 Bankfull wetted perimeter, P (ft) 9.6 Low bank height, LBH (ft) 1.3 Low bank height ratio, BHR [LBH/dmbkfl 1.00 37 36 35 34 0 .� 33 m Lu 32 31 30 XS3 Riffle Year 4 Ground Year 4 Bankull —*--Baseline Ground 2 4 6 8 10 12 14 16 Year 4 Width flood -prone area, Wf, (ft) 101.0 Bankfull elevation (ft) 32.30 Riffle width, Wbkf (ft) 10.9 Entrenchment ratio, ER [Wfpu/Wbkfl 9.3 Riffle cross-section area, Abkf (sq ft) 8.8 Mean riffle depth, dbkf (ft) 0.8 Width -to -depth ratio, [Wbkf/dbkfl 13.6 Max riffle depth, dmbkf (ft) 1.6 Max riffle depth ratio, [dmbkf/dbkf-] 2.0 Bankfull wetted perimeter, P (ft) 12.5 Low bank height, LBH (ft) 1.6 Low bank height ratio, BHR [LBH/dmbkfl 1.00 Width (ft) Baseline Width flood -prone area, Wfpa (ft) 94.6 Bankfull elevation (ft) 32.36 Riffle width, Wbkf (ft) 9.90 Entrenchment ratio, ER [Wfpa/Wbkf] 9.6 Riffle cross-section area, Abkf (sq ft) 7.0 Mean riffle depth, dbkf (ft) 0.7 Width -to -depth ratio, [Wbkf/dbkf] 14.0 Max riffle depth, dmbkf (ft) 1.2 Max riffle depth ratio, [dmbkf/dbkf] 1.7 Bankfull wetted perimeter, P (ft) 10.3 Low bank height, LBH (ft) 1.2 Low bank height ratio, BHR [LBH/dmbkf] 1.00 33 32.5 32 —31.5 0 31 30.5 a) ED 30 29.5 29 28.5 r� we• Year 4 Ground Year 4 Bankfull f Baseline Ground 2 4 6 8 10 12 14 16 18 Year 4 Bankfull elevation (ft) 29.84 Pool width, Wbkfp (ft) 10.4 Pool cross-section area, Abkfp (sq ft) 6.0 Mean pool depth, dbkfp (ft) 0.6 Max pool depth, dmbkfp (ft) 1.0 Width (ft) Baseline Bankfull elevation (ft) 29.82 Pool width, Wbkfp (ft) 8.5 Pool cross-section area, Abkfp (sq ft) 5.5 Mean pool depth, dbkfp (ft) 0.6 Max pool depth, dmbkfp (ft) 1.3 Dimensional Morphology Summary (Dimensional Parameters - Cross Section) Lower Cape Fear Umbrella Mitigation Bank - White Springs Tract Year 04 Monitoring Pool Dimensions Dimension based on current bankfull elevation Cross Section 1(Pool) Cross Section 4 (Pool) Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Pool Width (ft) 10.5 9.8 8.8 10.3 10.3 8.5 9.1 9.3 9.7 10.4 Pool Cross Sectional Area (ft) 6.7 7.2 5.6 6.8 7.7 5.5 4.5 4.8 6.0 6.0 Mean Pool Depth (ft) 0.6 0.7 0.6 0.7 0.8 0.6 0.5 0.5 0.6 0.6 Max Pool Depth (ft) 1.3 2.0 1.2 1 1.4 1 1.5 1.3 1.0 0.9 1 1.0 1 1.0 Riffle Dimensions Dimension based on current bankfull elevation Cross Section 2 (Riffle) Cross Section 3 (Riffle) Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Bankfull width (ft) 9.2 11.1 9.3 9.8 9.4 9.9 10.8 10.3 10.5 10.9 Floodprone width (ft) 104.1 110.2 111.5 111.9 111.3 94.6 92.6 94.3 94.0 101.0 Bankfull mean depth (ft) 0.6 0.7 0.7 0.8 0.8 0.7 0.7 0.7 0.7 0.8 Bankfull max depth (ft) 1.3 1.7 1.7 2.0 2.1 1.2 1.3 1.4 1.4 1.6 Bankfull Cross Sectional Area (ft) 5.5 7.8 6.5 7.9 7.3 7.0 7.2 7.0 7.2 8.8 Width/Depth Ratio 15.3 15.9 13.3 12.1 12.1 14.0 16.3 14.7 15.3 13.6 Entrenchment Ratio 11.4 9.9 12.0 11.4 11.8 9.6 8.6 9.2 9.0 9.3 Bank Height Ratio 1.0 1.0 1 1.0 1 1.0 1 1.0 1.0 1.0 1.0 1 1.0 1 1.0 Stream Survey Data Summary Lower Cape Fear Umbrella Mitigation Bank - White Springs Tract Year 04 Monitoring Parameter Baseline MY-1 MY-2 MY- 3 MY- 4 MY- 5 Dimension - Riffle only Min Mean Max Min Mean Max Min Mean Max Min Mean Max Min Mean Max Min Mean Max Rosgen Classification C5 C5 C5 C5 C5 Bankfull Width (ft) 9.2 9.6 9.9 10.8 11.0 11.1 9.3 9.8 10.3 9.8 10.2 10.5 9.4 10.2 10.9 Floodprone Width (ft) 94.6 99.4 104.1 92.6 101.4 110.2 94.3 102.9 111.5 94.0 103.0 111.9 101.0 106.2 111.3 Bankfull Mean Depth (ft) 0.6 0.65 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.75 0.8 0.8 0.8 0.8 Bankfull Max Depth (ft) 1.2 1.25 1.3 1.3 1.5 1.7 1.4 1.6 1.7 1.4 1.7 2.0 1.6 1.9 2.1 Bankfull Cross Sectional Area (ftz) 5.5 6.3 7.0 7.2 7.5 7.8 6.5 6.8 7.0 7.2 7.6 7.9 7.3 8.1 8.8 Width/Depth Ratio 14.0 14.7 15.3 15.9 16.1 16.3 13.3 14.0 14.7 12.1 13.7 15.3 12.1 12.9 13.6 Entrenchment Ratio 9.6 10.5 11.4 8.6 9.3 9.9 9.2 10.6 12.0 9.0 10.2 11.4 9.3 10.6 11.8 Bank Height Ratio 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Profile Min Median Max Min Median Max Min Median Max Min Median Max Min Median Max Min Median Max Valley Slope (ft/ft) 0.0032 0.0036 0.0036 0.0037 0.0039 Average Water Surface Slope (ft/ft) 0.0027 0.0029 0.0029 0.0031 0.0032 Riffle Length (ft) 13.7 16.4 17.1 6.1 15.0 21.8 6.8 15.8 22.6 11.6 17.3 27.5 4.5 14.3 21.3 Riffle Length Ratio 1.4 1.7 1.8 0.6 1.4 2.0 0.7 1.6 2.3 1.1 1.7 2.7 0.5 1.5 2.2 Pool Length (ft) 16.6 16.8 27.5 11.0 16.6 25.9 11.3 21.4 25.8 12.5 15.3 19.4 11.9 16.1 22.7 Pool Length Ratio 1.7 1.8 2.9 1.0 1.5 2.4 1.2 2.2 2.6 1.2 1.5 1.9 1.2 1.7 2.3 Pool - Pool Spacing (ft) 29.1 1 36.2 1 44.1 1 29.1 1 37.7 1 44.7 1 28.4 1 34.5 1 52.2 1 29.3 1 32.8 1 44.3 1 26.8 1 36.3 46.7 Pool-Pool Spacing Ratio 3.1 1 3.8 1 4.6 1 2.6 1 3.4 1 4.1 1 2.9 1 3.5 1 5.3 1 2.9 1 3.2 1 4.4 1 2.8 1 3.7 1 4.8 APPENDIX G. OHWM INDICATORS IN STREAM VALLEY 7, ` r AAI QHWM INDICATORSvvn 1 - Natural line impressed on bank 2 - Presence of litter & debris 3 - Water staining x K 4 - Change in plant community 5 - Multiple observed y flow events WE `� w 6 - Vegetation matted ,R �• down, bent, or absent (1) View of OHWM along restored stream in April 2018 i , 4x"� ^L• d�- � y{c �l 71' ,gA M'f�� vr ��a�erp' A• (2) View of OHWM along restored stream in April 2018 OHWM INDICATORS 1 - Natural line impressed on bank 2 - Vegetation matted down, bent, or absent 3 - Water staining 4 - Multiple observed flow events 5 - Change in plant community White Springs Tract4LMG Appendix G: LCFUMB OHWM Indicators in Year 4 AMR I. AND MANAGEMENT GROUP a DAVEA company I Stream Valley _ t- (3) View of OHWM along restored stream in April 2018 'lip dpi (4) View of OHWM along restored stream in April 2018 OHWM INDICATORS 1 - Natural line impressed on bank 2 - Water staining 3 - Change in plant community 4 - Multiple observed flow events 5 - Vegetation matted down, bent, or absent OHWM INDICATORS 1 - Natural line impressed on bank 2 - Vegetation matted, bent, I or absent 3 - Water staining 4 - Change in plant community 5 - Multiple observed flow events 6 - Presence of litter and debris White Springs TracttLMG Appendix G: LCFUMB OHWM Indicators in Year 4 AMR I. AND MANAGEMENT GROUP a DAVEA company Stream Valley (5) View of OHWM along restored stream in September 2018 OHWM INDICATORS 1 - Natural line impressed on bank 2 - Water staining 3 - Change in plant community 4 - Multiple observed flow events 5 - Vegetation matted down, bent, or absent 6 - Deposition t., 1 OHWM INDICATORS 1 - Natural line impressed on bank 4 , 2 - Vegetation matted, bent, or absent 3 - Water staining t a W. 5A v ti► 4 - Change in plant community r mow; 5 - Multiple observed flow events 6 - Litter or debris C'Fr':�k.:tiA,A:"'�,?�$1'...".,.�9i�irYn`Pf=�R'�iY.�.r'.�h3�R° -;`; �`"�-.-. ..','�.•: :�1F1/f�.///tai (6) View of OHWM along restored stream in September 2018 White Springs Tract4LMG Appendix G: LCFUMB OHWM Indicators in Year 4 AMR I. AND MANAGEMENT GROUP a DAVEY#- company Stream Valley (7) View of OHWM along restored stream in September 2018 (8) View of OHWM along restored stream in November 2018 OHWM INDICATORS 1 -Vegetation matted, bent, or absent 2 - Change in plant community 3 - Multiple observed flow events 4 - Deposition OHWM INDICATORS 1 1 - Natural line impressed on bank 2 - Vegetation matted, bent, or absent 3 - Water staining 4 - Change in plant community 5 - Multiple observed flow events White Springs Tract4LMG Appendix G: LCFUMB OHWM Indicators in Year 4 AMR I. AND MANAGEMENT GROUP a DAVEYI company Stream Valley (9) View of OHWM along restored stream in November 2018 \p r (10) View of OHWM along restored stream in November 2018 OHWM INDICATORS 1 - Natural line impressed on bank 2 - Vegetation matted, bent, or absent 3 - Water staining 4 - Change in plant community 5 - Multiple observed flow events 6 - Scour OHWM INDICATORS 1 1 - Natural line impressed on bank 2 - Vegetation matted, bent, or absent 3 - Water staining 4 - Change in plant community 5 - Multiple observed flow events White Springs Tract4LMG Appendix G: LCFUMB OHWM Indicators in Year 4 AMR I. AND MANAGEMENT GROUP a DAVEY#- company Stream Valley