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HomeMy WebLinkAbout20100898 Ver 1_Year 3 Monitoring Report_20150414CANDIFF CREEK RESTORATION PROJECT ANNUAL MONITORING REPORT FOR 2014 (YEAR 3) Submitted to: r� Ecosystem nNNMNI.M Submitted by: Soil and Co'Serya�` EEP Project Number: 92767 NCDENR - Ecosystem Enhancement Program 2728 Capital Blvd, Suite 1 H 103 Raleigh, NC 27604 Surry Soil and Water Conservation District 220 Cooper Street P.O. Box 218 Dobson, NC 27017 Prepared by: Michael Baker International INTERNATIONAL r R,ECVM JAN 2 0 2015 January 2015 A� 4 2015 FINAL , TER ReSOURCES TVjg'0R.Vkn0N ERMgTING UNIT TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY ................................................................. ..............................1 2.0 PROJECT BACKGROUND .............................................................. ............................... 2 2.1 Project Objectives ............................................................................. ............................... 2 2.2 Project Structure, Restoration Type and Approach ........................... ............................... 2 2.3 Location and Setting .......................................................................... ............................... 5 2.4 Project History and Background ....................................................... ............................... 5 2.5 Project Plan ....................................................................................... ............................... 5 3.0 PROJECT CONDITION AND MONITORING RESULTS .......... ............................... 9 3.1 Vegetation Assessment ..................................................................... ............................... 9 3.1.1 Description of Vegetative Monitoring ....................................... ............................... 9 3.1.2 Vegetative Success Criteria ....................................................... ............................... 9 3.1.3 Vegetative Observations and Results ....................................... ............................... 11 3.1.4 Vegetative Problem Areas ....................................................... ............................... 11 3.1.5 Vegetation Photographs ........................................................... ............................... 11 3.2 Stream Assessment .......................................................................... ............................... 12 3.2.1 Moiphometric Success Criteria ................................................ ............................... 12 3.2.2 Morphometric Results .............................................................. ............................... 13 3.2.3 Hydrologic Criteria .................................................................. ............................... 14 3.2.4 Hydrologic Monitoring Results ............................................... ............................... 14 3.2.5 Stream Problem Areas ............................................................. ............................... 14 3.2.6 Stream Photographs ................................................................. ............................... 15 3.2.7 Stream Stability Assessment .................................................... ............................... 15 3.2.8 Quantitative Measures Summary Tables ................................. ............................... 15 4.0 OVERALL CONCLUSIONS AND RECOMMENDATIONS ....... .............................16 5.0 WILDLIFE OBSERVATIONS ......................................................... .............................17 6.0 REFERENCES .................................................................................... .............................17 APPENDICES APPENDIX A - Vegetation Data APPENDIX B - Geomorphic Data Attached CD — Photographs Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL I It LIST OF TABLES Table 1. Design Approach for the Candiff Restoration Project Table 2. Project Activity and Reporting History Table 3. Project Contacts Table 4. Project Background Table 5. Vegetation Species Planted Across the Restoration Project Table 6. Verification of Bankfull Events Table A.1. Vegetation Metadata Table A.2. Vegetation Vigor by Species Table A.3. Vegetation Damage by Species Table A.4. Vegetation Damage by Plot Table A.S. Planted Stems by Plot and Species Table A.6. Plot Species and Densities Table B.1. Categorical Stream Feature Visual Stability Assessment Table B.2. Baseline Stream Summary Table B.3. Morphology and Hydraulic Monitoring Summary Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL ii 1 It LIST OF FIGURES Figure 1. Vicinity Map of Candiff Creek Restoration Project. Figure 2. Summary Map of Candiff Creek Restoration Project. Figure 3A. As -built Plan Sheet 1 for the Candiff Creek Restoration Project. Figure 3B. As -built Plan Sheet 5 for the Candiff Creek Restoration Project. Figure 3C. As -built Plan Sheet 5A for the Candiff Creek Restoration Project. Figure 3D. As -built Plan Sheet 5B for the Candiff Creek Restoration Project. Figure 3E. As -built Plan Sheet 5C for the Candiff Creek Restoration Project. Figure 3F. As -built Plan Sheet 5D for the Candiff Creek Restoration Project. Figure 3G. As -built Plan Sheet 5E for the Candiff Creek Restoration Project. Figure 4. Current Condition Plan View Figure Index Figure 4A. Current Condition Plan View Figure 4A Figure 4B. Current Condition Plan View Figure 4B Figure 4C. Current Condition Plan View Figure 4C Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL 111 r 1.0 EXECUTIVE SUMMARY This Annual Monitoring Report details the monitoring activities during 2014 (Monitoring Year 3) for the Candiff Creek Restoration Project ( "Site "). As per the approved Mitigation Plan for the Site, this Annual Monitoring Report presents stream geometry data, stem count data from vegetation monitoring stations, and discusses any observed tendencies relating to stream stability and vegetation survival success. Prior land use on the Site consisted primarily of pasture and forest. Candiff Creek had been channelized and riparian vegetation was cleared in the lower half of the site. The upstream reaches of the project had a narrow, early successional buffer that included several exotic vegetation species. Prior to restoration, Candiff Creek was incised and lacked bedform diversity. As a result, channel degradation was widespread throughout the Site. A total of 13 monitoring plots, 100 square meters (m) (10m x 10m) in size, are used to predict survivability of the woody vegetation planted on the Site. Data from Year 3 monitoring for the 13 vegetation plots exhibited a survivability range of 243 to 1,052 stems per acre. The data showed that the Site had an average survivability of 766 stems per acre following Year 3 monitoring. During Year 3 monitoring, kudzu (Pueraria montana) was present on the Site in the vicinity of vegetation plot 13. This concentration of kudzu was previously treated during construction but is now re- establishing in the same location. The kudzu is located on the upstream portion of Reach M1, downstream of River - Siloam Road. This area was treated in August and October of 2014 by use of the herbicides Glyphosate and Triclopyr. The Year 3 vegetation monitoring data for vegetation plot 13 in the treated area exhibited 243 stems per acre. Upon control of the kudzu, the area will be replanted at an appropriate density in order to meet the Year 5 success criteria of 260 stems per acre. Cross - sectional monitoring data for stream stability were collected during Year 3 monitoring. A longitudinal profile survey was completed during Year 3 monitoring for approximately 3,102 linear feet (LF) of stream on the Site. The longitudinal profile was completed for Reach M3 only. The cross - sectional data and the longitudinal profile indicate that Reach M3 is stable and functioning as designed. According to the on -site crest gauge, the Site experienced at least two significant bankfull flow events during Year 3 monitoring. The largest on -site bankfull flow event documented at the M3 crest gauge during Year 3 monitoring, occurred in on January 11, 2014. It is estimated that the height of highest flow at the M3 crest gauge observed in January was approximately 0.82 feet above bankf ill stage. Following the January event, the next recorded observation occurred approximately on April 29, 2014. The crest gauge on M3 did not document additional out of channel bankfull flows for the remainder of Year 3 monitoring. In summary, the Site is on track to meet the hydrologic, vegetative, and stream success criteria as specified in the Site Restoration Plan. Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL 2.0 PROJECT BACKGROUND The project involved the restoration of 4,081 linear feet (LF) of stream, 1,757 of stream Enhancement (265 LF of Enhancement I and 1,492 LF of Enhancement II) and 1,200 LF of stream preservation. The final stream lengths for all reaches are shown in Table 1 and Figure 2 and summarizes the restoration zones on the Site. A total of 27.54 acres of stream and riparian buffer are protected through a permanent conservation easement. 2.1 Project Objectives The specific goals for the Candiff Creek Restoration Project were as follows: • Create geomorphically stable conditions along Candiff Creek through the project area • Prevent cattle from accessing the project reaches, reducing excessive bank erosion, • Improve habitat quality in a riffle dominated stream by adding pool/riffle sequences and expanding the floodplain, while improving overall ecosystem functionality • Improve water quality within the Candiff Creek Restoration Project area through reduction of bank erosion and reductions in nutrient and sediment loads • Stabilize streambanks through installation of in- stream structures and establishing a riparian buffer consisting of native plant species • Improve aquatic and terrestrial habitat through increased substrate and in- stream cover, additional woody debris, and reduced water temperature by increasing stream shading, and restored terrestrial habitat. 2.2 Project Structure, Restoration Type and Approach For analysis and design purposes, Michael Baker International (Baker) divided on -site streams into reaches. The reaches were numbered sequentially from upstream to downstream, with a "M" designation for the "mainstem" and a "UT" designation for unnamed tributaries. Two UTs are located on the Site (labeled UT and UT2). The on -site streams are described as follows: M1 begins on the upstream section of the Site at the River- Siloam Road culvert, and then flows southward to the confluence with UT2. M2 begins at the M1/UT2 confluence and flows south 265 feet to the beginning of the restored portion of the mainstem. M3 begins at the restored channel and then flows southeastward for 4,123 feet and terminates at the property line adjacent to the Yakin Valley Railroad right -of -way located at the downstream end of the Site. UT1 flows onto the Site from the southern Wall property line and flows southward for 885 feet to the confluence with M1. UT2 flows onto the Site from the eastern Aztar Group, LLC property line and flows eastward for 1,162 feet and terminates at the Ml/M2 transition. The reaches described above are presented in the plan sheets located in Figures 3A through Figure 3J. The restoration design allows stream flows greater than the designed bankfull elevation, to spread onto the floodplain, dissipating flow energies and reducing stress on streambanks. In- stream structures were used to control streambed grade, reduce streambank stress, and promote bedform sequences and habitat diversity. The in- stream structures installed consist of constructed riffles, cover logs, log/rock vanes, log/rock j -hook vanes, rock cross vanes, vegetated geolifts, vegetated brush mattresses and root wads. These structures promote a diversity of habitat features in the restored channel. Where grade control was a consideration, constructed riffles, grade control rock j- hook vanes, and rock cross vanes were installed to provide long -term stability. Streambanks were Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL stabilized using a combination of erosion control matting, temporary and permanent seeding, bare - root planting, transplants, brush mattresses and geolifts. Transplants provide areas for living root mass to increase streambank stability and also to create holding areas for fish and aquatic biota. The purpose of the project is to restore stream functions to the impaired reaches the Site. Native species vegetation was planted across the Site and the entire project area is protected through a permanent conservation easement. Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL v .v .a i. a 0 a d U w b U r u a d �A .y A h b 0 .G a a � II II II a a w C p c d o g L N xwr� n u n u:wa. rn a z .a a ww � M 0 00 o •q U ccv U b 0 0 U O O •Cd axi y! .�.7 U O w U O w u O q O S •--. r, q N •+7 �n U O V N d o N U b y U O •� .� N •� °° y y N O N -A a y y Q O a w° .0 •9 cd W b 'd > e0 y >y app `d °' y0 7r, en aCC� .9 [� H 4 � m «Jr a w e bA O M O + O O O O + + C + O + ± + � O + 00 + O F c'aG3, M ad �p •--� N •-" o � N as „+rte t` 000 O 00 t` N O U 3 a N ~ ~ N 71 `n N '— a a » O co v � o W') 00 v� o � o c :� + G a o N � M 000 Cad ao 'b � � 3 y b cd ° * U v N C C° a 0-4 d b a w w a w z w z o z b 3 ° bD � V rn y d 110 o N 00 0 00 W W tr1 r fj O ��� - `VN �Mr a m co tn rq H� �Gn b 0 .G a a � II II II a a w C p c d o g L N xwr� n u n u:wa. rn a z .a a ww � M 0 00 o •q U ccv U 2.3 Location and Setting The Site is located in Surry County in western North Carolina, approximately 1.75 miles west of Siloam Township, and just north of the Surry- Yadkin County line, as shown in Figure 1. The Site lies in the Yadkin Pee -Dee River Basin, within the US Geological Survey (USGS) targeted local watershed 03040101, and the North Carolina Division of Water Quality (NCDWQ) sub -basin 03 -07- 02. 2.4 Project History and Background Land use at the Site consists primarily of pasture and forest. Candiff Creek had been channelized and riparian vegetation had been cleared at the lower half of the Site. The upstream end of the Site had a narrow, early successional buffer that included several exotic vegetation species. Prior to restoration, Candiff Creek was incised and lacked bedform diversity. As a result, channel degradation was widespread throughout the Site. The chronology of the Candiff Creek Restoration Project is presented in Table 2. The contact information for the designers, contractors, and relevant suppliers is presented in Table 3. Relevant project background information is provided in Table 4. 2.5 Project Plan Plans illustrating the as -built conditions of the major project elements, locations of permanent monitoring cross - sections, and locations of permanent vegetation monitoring plots are presented in Figures 3A through 3G of this report. In addition to the as -built plans a Current Condition Plan View Map (Figure 4 through 4c) set is included in the Figures section in this report. Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL Table 2. Proiect Activity and Reporting History Candiff Creek Restoration Project: EEP Project No. 92767 Activity or Report Scheduled Completion Data Collection Complete Actual Completion or Delivery Restoration Plan Prepared Jul -10 N/A Jul -10 Restoration Plan Amended Aug -10 N/A Aug -10 Restoration Plan Approved Aug -10 N/A Aug -10 Final Design — (at least 90% complete) Jul -10 N/A Jun -11 Construction Begins N/A N/A Sep -11 Temporary S &E mix applied to entire project area N/A N/A Apr -12 Permanent seed mix applied to entire project area N/A N/A Apr -12 Planting of live stakes N/A N/A Apr -12 Planting of bare root trees N/A N/A Apr -12 End of Construction NA N/A Mar -12 Survey of As -built conditions (Year 0 Monitoring- baseline N/A Mar -12 Mar -12 Year 1 Monitoring Oct -12 Oct -12 Dec -12 Year 2 Monitoring Oct -13 Nov -13 Dec -13 Year 3 Monitoring Oct -14 Nov -14 Nov -14 Year 4 Monitoring Scheduled Nov -15 Scheduled Nov -15 Scheduled Nov -15 Year 5 Monitoring Scheduled Nov -16 Scheduled Nov -16 Scheduled Nov -16 Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL Table 3. Project Contacts Candiff Creek Restoration Project: EEP Project No. 92767 Designer Michael Baker International 8000 Regency Parkway, Suite 600 Cary, NC 27518 Contact: Scott Hunt, P.E., Telephone: 919 -463 -5488 Construction Contractor River Works, Inc. 6105 Chapel Hill Road Raleigh, NC 27607 Contact: Bill Wright Telephone: 336- 279 -1002 Planting Contractor River Works, Inc. 6105 Chapel Hill Road Raleigh, NC 27607 Contact: Bill Wright, Telephone: 336- 279 -1002 Seeding Contractor River Works, Inc. 6105 Chapel Hill Road Raleigh, NC 27607 Contact: Bill Wright, Telephone: 336 - 279 -102 Seed Mix Sources Green Resources, 336-855-6363 Nursery Stock Suppliers ArborGen, Inc., 843 -528 -3204 Monitoring Performers Michael Baker International 8000 Regency Parkway, Suite 600 Cary, NC 27518 Stream Monitoring Point of Contact: Scott Hunt, P.E., Tel. 919 - 463 -5488 Vegetation Monitoring Point of Contact: Scott Hunt, P.E., Tel. 919 - 463 -5488 Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL Table 4. Proiect Background Table Candiff Creek Restoration Project: EEP Project No. 92767 Project County: SurTy County, NC Drainage Area: Reach: square miles (mi2): Ml 2.35 M2 2.53 M3 2.74 UT 1 0.06 UT2 0.14 Estimated Drainage % Impervious Cover: M1, M2, M3, UT1, UT2 <5% Stream Order: UT 1 1 UT2 2 M1, M2, M3 3 Physiographic Region Piedmont Ecore ion Northern Inner Piedmont Rosgen Classification* of As- built: M1, M2, M3 C UT 1 (Lower Reach) N/A UTl (Upper Reach) N/A UT2 (Lower Reach) N/A UT2 (Upper Reach N/A Cowardin Classification *: M1, M2, M3, UT2 Riverine, Upper Perennial, Cobble - Gravel UT1 Riverine, Intermittent, Cobble - Gravel Dominant Soil Types*: M1, M2, M3, UT1 (Lower Reach), UT2 (Lower Reach) CsA UT1 (Upper Reach), UT2 (Upper Reach) FsE UT1 (Upper Reach FeC2 Reference site ID On -site USGS HUC for Project 03040101 NCDW Sub -basin 03 -07 -02 NCDWQ classification for Project and Reference: M1, M2, M3, UT1, UT2 C Any portion of any project segment 303d listed? No Any portion of any project segment upstream of a 303d listed segment? No Reasons for 303d listing or stressor? N/A of project easement fenced 100% * Rosgen, 1994; *Cowardin;* -USDA, 2007 Candiff Creek Restoration Project, EEP Project No. 92767 January 2015, Monitoring Year 3 FINAL 3.0 PROJECT CONDITION AND MONITORING RESULTS 3.1 Vegetation Assessment 3.1.1 Description of Vegetative Monitoring As a final stage of construction, the stream margins and riparian areas of the Site were planted with bare root trees, live stakes, and a seed mixture of temporary and permanent herbaceous vegetation to establish ground cover. The woody vegetation was planted randomly from the top of the stream banks to the outer edge of the project's re- vegetation limits. In general, bare -root vegetation was planted at a target density of 680 stems per acre, in an 8 -foot by 8 -foot grid pattern. Live stakes were installed two to three feet apart in meander bends and six to eight feet apart in the riffle cross - sections. The live stakes were set up using triangular spacing along the stream banks between the toe of the stream bank and bankfull elevation. The tree species planted at the Site are shown in Table 5. The temporary seed planted following construction was rye grain. The permanent seed mix of herbaceous species planted in the project's riparian area included: redtop (Agrostis alba), big bluestem (Andropogon gerardii), beggartick (Bidens frondosa), lanceleaf tickseed (Coreopsis lanceolata), deertongue (Pancium clandestinum), Virginia wildrye (Elymus virginicus), soft rush (Juncus effusus), switchgrass (Panicum virgatum), smartweed (Polygonum pennsylvanicum), little bluestem (Schizachyrium scoparium), Indian grass (Sorghastrum nutan), and eastern gamma grass (Tripsacum dactyloides). This seed mixture was broadcast on the Site at a rate of 15 pounds per acre. All planting was completed in April 2012. At the time of planting, 13 vegetation plots — labeled 1 through 13 - were established on -site to monitor survival of the planted woody vegetation. Each vegetation plot is 0.025 acre in size, or 10 meters x 10 meters. All of the planted stems inside the plots were flagged to distinguish them from any colonizing individuals and to facilitate locating them in the future. The trees also were marked and labeled with aluminum metal tags to ensure that the correct identification is made during future monitoring of the vegetation plots. In addition to flagging and tags, the locations of planted stems and vegetation plot corners were recorded by use of survey equipment. 3.1.2 Vegetative Success Criteria To characterize vegetation success criteria objectively, specific goals for woody vegetation density have been defined. Data from vegetation monitoring plots should display a surviving tree density of at least 320 trees per acre at the end of the third year of monitoring, and a surviving tree density of at least 260 five- year -old trees per acre at the end of the five -year monitoring period. Candiff Creek Restoration Project, EEP Project No. 92767 9 January 2015, Monitoring Year 3 FINAL Table 5. Vegetation Species Planted Across the Restoration Project Candiff Creek Restoration Project: EEP Project No. 92767 CommonName Percent Plante d by Species Total Number Bare Root Trees Species Betula nigra river birch 23.3% 1,800 Diospyros virginiana persimmon 7.8% 600 Fraxinus pennsylvanica green ash 15.6% 1,200 Liriodendron tulipfera tulip poplar 7.8% 600 Platanus occidentalis sycamore 22.1% 1,700 Quercus michauxii swamp chestnut oak 15.6% 1,200 Quercus phellos willow oak 7.8% 600 Bare Root Shrub Species Asimina triloba paw paw 9.5% 400 Carpinus caroliniana ironwood 12% 500 Cercus canadensis redbud 14% 600 Cornus amomum silky dogwood 19% 800 Lindera benzoin spicebush 9.5% 400 Sambucus canadensis elderberry 19% 800 Viburnum dentatum arrowwood 17% 700 Native Herbaceous Species Agrostis alba redtop 10% NA Andropogon gerardii big bluestem 5% NA Bidens frondosa devil's beggartick 5% NA Coreopsis lanceolata lanceleaf tickseed 10% NA Dichanthelium clandestinum deertongue 15% NA Elymus virginicus Virginia wild rye 15% NA Juncus effusus soft rush 5% NA Panicum virgatum switchgrass 15% NA Polygonum pennsylvanicum Pennsylvania smartweed 5% NA Schizachyrium scoparium little bluestem 5% NA Sorghastrum nutans Indiangrass 5% NA Tripsacum dactyloides eastern gamagrass 5% NA Woody Vegetation for Live Stakes Cornus amomum silky dogwood 30% 2,100 Salix sericia silky willow 30% 2,100 Salix nigra black willow 10% 700 Sambucus canadensis elderberry 30% 2,100 Candiff Creek Restoration Project, EEP Project No. 92767 10 January 2015, Monitoring Year 3 FINAL 3.1.3 Vegetative Observations and Results Permanent ground cover has been successfully established through the planting of the permanent seed mixture planted at the Site, as observed during Year 3 monitoring of the Site. Tables A.1 through A.6 in Appendix A presents vegetation metadata, vegetation vigor, vegetation damage and stem count data for the monitoring plots at the end of Year 3 monitoring. Data from Year 3 monitoring for the 13 vegetation plots exhibited a range of 243 to 1,052 stems per acre. The data show that the Site had an average survivability of 766 stems per acre following Year 3 monitoring. In comparison, following as -built conditions, the Site demonstrated an average survivability of 915 stems per acre. Trees within each monitoring plot are re- flagged regularly to prevent planted trees from losing their identifying marks due to flag degradation. It is important for trees within the monitoring plots to remain marked to ensure they are all accounted for during the annual stem counts and calculation of tree survivability. Labeled aluminum tags with wire hangers are used on surviving stems to aid in relocation during future counts. The aluminum tags are moved to a single branch instead of the main stem once the tree becomes established. Flags are also used to mark trees because they do not interfere with the growth of the tree. During Year 3 monitoring some volunteer species tulip poplar (Liriodendron tulipfera) and redbud (Cercus canadensis) were noted on the Site along the southern portion of M3. All plots will continue to be assessed during Year 4 monitoring for occurrence of volunteer species. 3.1.4 Vegetative Problem Areas During Year 3 monitoring, kudzu (Pueraria montana) is present on the Site in the vicinity of vegetation plot 13 and in the general vicinity. This concentration of kudzu was previously treated during construction but is now re- establishing in the same location. The kudzu is located on the upstream portion of Reach M1, downstream of River - Siloam Road. This area was treated in August and October of 2014 by use of the herbicides Glyphosate and Triclopyr. The Year 3 vegetation monitoring`data for vegetation plot 13 exhibited 243 stems per acre. Upon control of the kudzu, this area will be replanted at an appropriate density in order to meet the Year 5 success criteria of 260 stems per acre. Photos of vegetation plot 13 and the surrounding vicinity showing the Kudzu extent is presented in Appendix A. Vegetation Plots 1 through 12 on reach M2 and M3 exhibited relatively few invasive or aggressive species occurring on the Site. None of the on -site species seem to be posing any issues for the planted woody or herbaceous hydrophytic vegetation at this time. 3.1.5 Vegetation Photographs Photographs are used to visually document vegetation plot success. A total of 13 reference stations were established to document tree conditions at each vegetation plot across the Site. Reference photos of tree plots are taken at least once per year. Photos of the tree plots for Year 3 monitoring that show the on -site planted stems are included in Appendix A of this report. Candiff Creek Restoration Project, EEP Project No. 92767 11 January 2015, Monitoring Year 3 FINAL 3.2 Stream Assessment 3.2.1 Morphometric Success Criteria To document the stated success criteria, the following monitoring program was instituted following construction completion on the Site: Cross - sections: Two permanent cross - sections were installed per 1,000 LF of stream restoration work, with one of the locations being a riffle cross - section and one location being a pool cross - section in each series. A total of 10 permanent cross - sections were established across the Site. Each cross - section was marked on both banks with permanent pins to establish the exact transect used. The permanent cross - section pins are surveyed and located relative to a common benchmark to facilitate easy comparison of year -to -year data. The annual cross - section surveys include points measured at all breaks in slope, including top of bank, bankfull, inner berm, edge of water, and thalweg. The approved Mitigation Plan requires the following criteria be met to achieve stream restoration success: • There should be little change in as -built cross - sections • If changes do take place, they will be evaluated to determine if they represent a movement toward a more unstable condition (e.g., down - cutting or erosion) or a movement toward increased stability (e.g., settling, vegetative changes, deposition along the banks, or decrease in width/depth ratio) • Cross - sections will be classified using the Rosgen Stream Classification System ( Rosgen, 1994), and all monitored cross - sections should fall within the quantitative parameters defined for channels of the design stream type. Longitudinal Profiles: A complete longitudinal profile was surveyed following construction completion to record as -built conditions and to establish a baseline profile. The profile was conducted for the entire length of each restored channel for all reaches. Measurements included thalweg, water surface, inner berm, bankfull, and top of low bank. Each of these measurements was taken at the head of each feature (e.g., riffle, pool, and glide). In addition, maximum pool depth was recorded. All surveys were tied to a single, permanent benchmark. The approved Mitigation Plan requires the following criteria be met to achieve stream restoration success: • A longitudinal profile will be completed annually for the five -year monitoring period • The profile will be conducted for 3,000 LF of restored Candiff Creek channel • The longitudinal profiles should show that the bedform features are remaining stable; i.e., they are not aggrading or degrading • Pools should remain deep, with flat water surface slopes, and the riffles should remain steeper and shallower than the pools • Bedforms observed should be consistent with those observed for channels of the designed stream type. Candiff Creek Restoration Project, EEP Project No. 92767 12 January 2015, Monitoring Year 3 FINAL 3.2.2 Morphometric Results Year 3 cross - section monitoring data for stream stability was completed during November 2014. The 10 permanent cross - sections along the restored channels (5 located across riffles and 5 located across pools) were re- surveyed to document stream dimension at the end of Monitoring Year 3. Data from each of these cross - sections are presented in Appendix B. Tables B.1 through B.3 in Appendix B present visual stability assessment data, the baseline stream summary and the morphologic and hydraulic monitoring summary. Cross - sections 1, 4, 6, 8 and 10 are situated across riffles that are located between pools. Based on the survey data, Cross - section 10 located on the mid - downstream portion of M3, showed a slight riffle elevation increase since as -built conditions. Cross - sections 1, 4, 6 and 8 are located on the upstream portion of M3 and demonstrated minor fluctuations in riffle dimensions during Year 3 of monitoring. Cross - sections 1 and 4 appear to have aggraded in channel dimension slightly since as -built conditions. Cross- section 6 is located mid - stream on reach M3 and has remained stable since Year 2. Cross - sections 2, 3, 5, 7 and 9 are situated across pools which are located at the apex of meander bends. Based on the survey data, all five pool Cross - sections 2, 3, 5, 7 and 9 have demonstrated minor fluctuations in pool dimensions since as -built conditions. It is noted that these pool cross - sections have fluctuated mostly in thalweg depth. Based on the Year 3 monitoring survey data, all pool cross - sections show the slow development of point bar features on the inside banks of the meander bends. The longitudinal profile for Year 3 monitoring was completed in November 2014. The Year 3 longitudinal profile monitoring data were compared to the data collected during the as -built condition survey completed in April 2012 and the Year 1 data collected in October 2012. During Year 3 monitoring, the longitudinal profile survey was only completed for Reach M3. A total stream length of 3,102 LF was surveyed for M3. The longitudinal profiles for M3 is presented in Appendix B. Year 3 monitoring data for the M3 longitudinal profile indicate that the riffles in this reach have essentially maintained the same bed elevations since as -built conditions. It was observed in Year 1 and in Year 2 that some pools in M3 have continued to increase in depth since as -built conditions. This pool depth change was also noted during Year 3 monitoring. It is noted that increased pool depths were observed mostly in the middle of portion of M3. The deeper pools noted in M3 are benefiting the overall functionality of the Site by providing increased channel stability and also providing an area for energy dissipation while promoting greater habitat diversity. Overall, the longitudinal profile for M3 demonstrates that the in- stream structures within the reach are stable and functioning as designed. In- stream structures installed within the restored stream included constructed riffles, log vanes, grade control rock and log j -hook vanes, rock cross vanes, root wads and stream crossings. Visual observations of these structures throughout Year 3 monitoring indicated that all structures are functioning as designed and holding their post - construction grade. Structures that were installed to develop deep pools, such as cross vanes and j- hooks, are performing their designed functions. Log vanes placed in meander pool areas have provided scour to keep pools deep and provide cover for fish. J -hooks placed in the lower end of the riffle areas have maintained riffle elevations and provided downstream scour holes that Candiff Creek Restoration Project, EEP Project No. 92767 13 January 2015, Monitoring Year 3 FINAL provides aquatic habitat. Root wads placed on the outside of meander bends have provided bank stability and in- stream cover for fish and other aquatic organisms. 3.2.3 Hydrologic Criteria One crest gauge was installed on the Site to document bankfull events. The gauge is checked during each site visit and records the stage of the highest out -of -bank flow between site visits. The gauge is located on the left bank on the downstream portion of M3 at station 55 +50. The approved Mitigation Plan requires the following criteria be met to achieve stream restoration success: Two bankfull flow events must be documented within the five -year monitoring period. The two bankfull events must occur in separate years, otherwise, the stream monitoring will continue until two bankfull events have been documented in separate years. 3.2.4 Hydrologic Monitoring Results According to the on -site crest gauge, the Site experienced at least two significant bankfull flow events during Year 3 monitoring. The largest on -site bankfull flow event documented at the M3 crest gauge during Year 3 monitoring, occurred on January 11, 2014. It is estimated that the height of highest flow at the M3 crest gauge observed in January was approximately 0.82 feet above bankfull stage. Following the January event, the next recorded observation occurred approximately on April 29, 2014. The crest gauge on M3 did not document additional out of channel bankfull flows for the remainder of Year 3 monitoring. A photograph depicting a large stump that washed up along M3 in January 2014 is included in Appendix B. Crest gauge readings are presented in Table 6 and photos of the crest gauges and out -of -bank evidence are presented in Appendix B. Table 6. Verification of Bankfull Events Candiff Creek Restoration Project: EEP Project No. 92767 Date of Data Collection Estimated Occurrence of Bankfull Event Method of Data Collection M3 Crest (feet) 5/22/2012 4/2012 - 5/2012 storms Crest Gauge 1.60 2/7/2013 1/18/2013 Crest Gauge 2.49 9/23/2013 7/5/2013 Crest Gauge 1.21 4/9/2014 1/11/2014 Crest Gauge 0.82 7/23/2014 4/29/2014 Crest Gauge 0.23 3.2.5 Stream Problem Areas During Monitoring Year 3, there were no stream problem areas observed at the Site. Candiff Creek Restoration Project, EEP Project No. 92767 14 January 2015, Monitoring Year 3 FINAL 3.2.6 Stream Photographs Photographs are used to document restoration success visually. A total of 59 reference stations were installed and photographed after construction. Photographs of these reference stations will be collected for at least five years following construction. Reference photos are taken at least twice per year, and are taken in enough locations to document the condition of the restored system. Permanent markers were established to ensure that the same locations (and view directions) on the Site are documented in each monitoring period. The stream systems are photographed longitudinally, beginning at the downstream portion of the restoration reaches, and moving upstream to the beginning of the reaches. Photographs are taken looking upstream at designated locations. Reference photo locations are marked and described for future reference. Points are spaced sufficiently close to provide an overall view of the reach. The angle of the photograph depends on which direction provides the best view and is noted and will be continued for future photos. When modifications to photo position and/or direction are made due to obstructions or other reasons, the modified photo position and/or direction is noted, along with any landmarks. The modified position is used in all future photographs of that site. Additional photographs are taken to document any observed evidence of flooding patterns such as debris, wrack lines, water marks, channel features, etc. Also, both stream banks are photographed at all permanent cross - section photo stations. For each stream bank photo, the photo view line follows a survey tape placed across the channel, perpendicular to flow (representing the cross - section line). The photograph is framed so that the survey tape is centered in the photo (appears as a vertical line at the center of the photograph), keeping the channel water surface line horizontal and near the lower edge of the frame. In each cross - section photo showing the left bank, flow is moving to the right. Conversely, in each cross - section photo showing the right bank, flowing is moving to the left. A photo log of the restored channel is presented in the attached CD of this report. Photos for each of the 10 permanent cross - sections are included in Appendix B. Photographs of the restored channel were taken in May and November 2014 to document the evolution of the stream geometry. Herbaceous vegetation and shrubs were dense along the banks of M2 and M3, making the photography of some of the stream channel areas difficult. 3.2.7 Stream Stability Assessment Table B.1 provides a summary of the results obtained from the visual inspection of in- stream structures performed during Year 3 monitoring. The percentages noted are a general, overall field evaluation of the how the features were performing at the time of the photo point survey. According to the visual stability assessment following Year 3 monitoring, and after a visual evaluation throughout 2014, it was determined that all features at the Site are currently performing as designed. 3.2.8 Quantitative Measures Summary Tables The quantitative pre - construction, reference reach, and design data used to determine restoration approach, as well as the as -built baseline data used during the project's post construction monitoring period are summarized in Appendix B. Candiff Creek Restoration Project, EEP Project No. 92767 15 January 2015, Monitoring Year 3 FINAL 4.0 OVERALL CONCLUSIONS AND RECOMMENDATIONS Stream Monitoring - The total length of stream channel restored, enhanced and/or preserved on the Site was 7,038 LF. The project involved the restoration of 4,081 linear feet (LF) of stream along M3. Additionally 1,757 of stream Enhancement (265 LF of Enhancement I along M2 and 1,492 LF of Enhancement II along Ml, UT1 and UT2) and 1,200 LF of stream preservation along UTl and UT2. This entire length was inspected during Year 3 monitoring to assess stream performance. Year 3 monitoring did not reveal any significant problem areas within the boundaries of the Site. Cross - section monitoring data for stream stability were collected during Year 3 monitoring. A longitudinal profile survey was also completed during Year 3 monitoring for approximately 3,102 LF of stream on the Site. The longitudinal profile was completed for Reach M3 only. Year 3 monitoring data for the M3 longitudinal profile show that the riffles in this reach have maintained relatively the same bed elevations since as -built conditions. The longitudinal profile demonstrates that the in- stream structures within M3 are stable and functioning as designed. The Year 3 cross - sectional data also indicate that Reach M3 is stable and functioning as designed. According to the on -site crest gauge, the Site experienced at least two significant bankfull flow events during Year 3 monitoring. The largest on -site bankfull flow event documented at the M3 crest gauge during Year 3 monitoring, occurred in on January 11, 2014. It is estimated that the height of highest flow at the M3 crest gauge observed in January was approximately 0.82 feet above bankfull stage. Following the January event, the next recorded observation occurred approximately on April 29, 2014. The crest gauge on M3 did not document additional out of channel bankfull flows for the remainder of Year 3 monitoring. Vegetation Monitoring - Data from Year 3 monitoring for the 13 vegetation plots exhibited a range of 243 to 1,052 stems per acre. The data showed that the Site had an average of survivability of 766 stems per acre. During Year 3 monitoring, kudzu (Pueraria montana) was present on the Site in the vicinity of vegetation plot 13. This concentration of kudzu was previously treated during construction but is now re- establishing in the same location. The kudzu is located on the upstream portion of Reach M1, downstream of River - Siloam Road. This area was treated in August and October of 2014 by use of the herbicides Glyphosate and Triclopyr. The Year 3 vegetation monitoring data for vegetation plot 13 exhibited 243 stems per acre. Upon control of the kudzu, this area will be replanted at an appropriate density in order to meet the Year 5 success criteria of 260 stems per acre. Candiff Creek Restoration Project, EEP Project No. 92767 16 January 2015, Monitoring Year 3 FINAL 5.0 WILDLIFE OBSERVATIONS Observations of deer and raccoon tracks are common at the Site. During Year 3 monitoring, small animals such frogs, rodents, snakes, and fish were periodically observed. Various songbirds and birds of prey were observed on the Site throughout Year 3 monitoring. Wild turkeys are also commonly observed in the area. 6.0 REFERENCES Rosgen, D. L. 1994. A Classification of Natural Rivers. Catena 22: 169 -199. Cowardin, L. M., V. Carter, F. C. Golet, E. T. LaRoe. 1979. Classification of wetlands and deepwater habitats of the United States. U.S. Department of the Interior, Fish and Wildlife Service, Washington, D.0 USDA, Natural Resource Conservation Service, Soil Survey of Suny County, North Carolina, 2007. Candiff Creek Restoration Project, EEP Project No. 92767 17 January 2015, Monitoring Year 3 FINAL FIGURES Boonville N tk S U R R Y COUNTY o� m Siloam R.e S�aT W Project Location Yadkn River YADKIN 100.51 2 3 1 CO Ulu 17 Miles SurryCounty e7 Fs>ist 8�fd NCDWt7 Sub -Basin 03 -07 -02 8 Digit HUC - 03040101 14 Digit HUC - 03040101110060 Rgure 1. Mcinity Map Candiff Creek - Suny County, NC u�yr wk''k � r'7 INTERNATIONAL Figure 1. Vicinity Map of Candiff Creek Restoration Project. Figure 2. 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Ol va, W OJ �d 0! z m .0 .0 . - � m ` ' ` ' a` oc° sa/ °c c i �: `x c E a a •'c c 0 a° a c �� ai EN C O U C` C > V N C N a > `w > > `w m E �m "v��•ctL�acrctct n` E h 0 xx 0 o° a > v > E, a m klo V o 9 c � V 0 .y Q a� A b Q H .N u a c a d F � u y r- 01 00 00 V1 (- 00 00 01 y0 � N 01 �O tn N D, M O 00 N N O M N �+ F N M O 10 'T N 0000 \O 0Oi 00 N .-, •--� V1 �,O N M O N O CC 00 O C� 00 rq O [- M .--� O N 00 00 ;7, 01 0 01 N C l� l� a0 00 01 Ic r- r- r- 00 �O v) V1 O N N ID On 01 O O O � 00 00 00 00 .A h M �-+ [� N O b IC On O IT d' N M 00 O N N a\ 00 001 00 M 01 M 01 �O M v1 H N 10 O N O to O to O .n N r N oo rn ON is iSr a �,y N O N O N N O N O N O N O Gil r u as o 0 Q h � h Y r y q M aol N cc 0 st c 13 o v ZS w w U d bo g° a a y Fj .o F sue. L VEGETATION PHOTOS i �%Y � i� �i! �••�L � i; 'alp_. Vegetation Plot 1 Vegetation Plot 2 Vegetation Plot 3 Vegetation Plot 4 Vegetation Plot 5 Vegetation Plot 6 Vegetation Plot 7 Vegetation Plot 8 Vegetation Plot 9 Vegetation Plot 10 Vegetation Plot 11 Vegetation Plot 12 Vegetation Plot 13 View of Kudzu across easement fence (vicinity of Vegetation Plot 13) APPENDIX B GEOMORPHIC DATA STREAM TABLES Table B.1. Categorical Stream Feature Visual Stability Assessment Candiff Creek Restoration Project: EEP Project No. 92767 Performance Percenta e Feature Initial MY -01 MY -02 MY -03 MY -04 MY -05 A. Riffles 100% 100% 100% 100% B. Pools 100% 96% 96% 96% C.Thalweg 100% 100% 100% 100% D. Meanders 100% 100% 100% 100% E. Bed General 100% 100% 100% 100% F. Bank Condition 100% 100% 100% 100% G. Wads 100% 1 100% 1 100% 100% Table B.2. Baseline Stream Summary Candiff Creek Restoration Project: EEP Project No. 92767 Candies Creek - M2 Parameter USGS Gauge Regional Curve Interval Pre-Existing Condition Reference Reach(es) Data Design As -bulk Dimension - Riffle LL UL Eq. Min Mean Max Min Mean Max Min Mad Max Min Mean Max BF Width ft 19.8 19.8 Flood prone Width (ft) - - - - - - 23.8 - - - - 27 7 - 30.0 - - - BF Mean Depth ft 1.42 1.42 BF Max De th R - - - - - - 1.85 - - - - - - - - - - BF Cross - sectional Area (ft2) - - - - - - 28.2 - - - - - 29.0 - - - - WldthlDe th Ratio 13.9 11 14 13.9 Entrenchment Ratio - - - - - - 1.2 - - - - 1.4 - 1.5 - - - Bank Height Ratio 2.6 1 1.1 1 1.1 BF Velocity s - - - - - - 35 _ 5 - 36 - - - - Pattern Channel Beltwidth R - - - - - - - - - - - - - Radius of Curvature ft - - - - - - - - - - - - - Meander Wavele R - - - - - - - - - - - - - Meander Width Rabo Profile !%-37 RiRfle Le th (ft) - - - - - - - - - - - - - Riffie Sb 11M - - - - - - - - - 0 005 - 0.0081 - Pool Len th ft - - - - - - - - - - - - - - - Pool Spacing ft 29.7 99 Substrate and Transport Parameters d16 / d35 / d50 / d84 / d95 8.3124 4/36 7/82 0/119.3 8 3124.4/36.7/82 0/119.3 Reach Shear Stress (competency) Ibff - - - - - - 0.35 - - - - - 0.36 - - - - Stream Power (transport capacity) W /m 21.7 217 Additional Reach Parameters Channel le ft - - - 265 - - - - 265 - - 265 - Draina Area (SM) - - - 2.53 253 2.53 Rosgen Classification F4 /1 NO 84d1 BF Discharge cfs 105 105 Sinuosi 1.00 1 2 1.4 1.00 1.00 BF slope Rest 0.0045 0.0045 0.0045 Candles Creek - M3 Parameter USGS Gauge Regional Curve Interval Pre-Existing Condition Reference Reach(es) Data Design As -bulk Dimension - Riffle LL UL Eq Min Mean Max Min Mean Max Min Mean Max Min Mean Max BF Width fl 207 32.2 204 198 25 8 216 Floodprone Width ft 355 941 60.0 1200 1080 139.9 1202 BF Mean Depth ft - - - - - 0.9 1.4 - - - 1.8 1.24 1.58 1.44 BF Max Depth fl 2.0 2.4 1.9 2.2 1.96 2.43 2.15 BF Cross-sectional Area ft' - - - - - 29.2 32.6 32.0 28.62 32.44 30.77 Width/De th Ratio 14.6 34.6 11 14 13.0 12.6 20.7 15A Entrenchment Ratio 1.7 2.9 2.9 5.9 4.2 7.0 5.6 Bank Height Rabo 1.0 2.5 1 1.1 1 1 1 10 1.1 1.0 BF Velocity s 3.5 3.9 3.5 5 3.5 5 Pattern Channel Beltwidth it - - - - - - - - - - - - - - - - - Radius of Curvature (ft) - - - - - - - - - - - - - - - - - Meander Wavelength R Meander Width Rabo - - - - - - - - - - - 3 5 - 7 - - - Profile Riffle Length fl - - - - - - - - - - - - - - - - - Riffle Slope ft/ft - - - - - - - - - - - 0.0078 - 0.0104 - - - Pool Length ft - - - - - - - - - - - - - - - - - Pool Spacing ft - - - - - - - - - - - 81.6 - 142.8 - - - substrate and Transport Parameters dl / d35 / d50 / d84 / d95 8.3124.4136.7/82.0 /119.3 8 3124.4/36 7/82 01119.3 Reach Shear Stress (competency) IbR' - - - - - - 0.32 - - - - - 044 - - - - Stream Power transport capacity) W/m 2 - - - - - - 22.1 - - - - - 26.8 - - - - Additional Reach Parameters Channel length R) 3,828 4,109 4,123 Drainage Area SM - - - - - - 2.74 - - - - - 2.74 - - 2.74 - Ros en Classification C411, F411 C411 C411 BF Discha a cfs - - - - - - 115 - - - - - 115 Sinuosity] 1.29 1.33 1.41 BF slope Wit 00055 0.0052 0.0052 Table B.3. Morphology and Hydraulic Monitoring Summary Candiff Creek Restoration Project: EEP Project No. 92767 Reach: M3 Parameter Cross - section 1 Riffle Cross - section 2 Pool Cross - section 3 Pool Cross - section 4 Riffle MY1 I MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 Dimension BF Width ft 19.49 19.92 23.30 30.60 19.24 13.49 33.08 17.96 18.03 18.17 19.33 25.62 BF Mean Depth ft 1.09 1.24 1.23 1.14 1.82 2.37 1.81 3.02 2.78 1.41 1.61 1.18 Width/Depth Ratio 17.82 16.00 15.42 26.96 10.55 5.70 18.31 5.95 6.48 12.86 12.03 21.77 BF Cross - sectional Area W 21.3 16.1 23.3 34.7 35.1 31.9 59.8 54.2 50.1 25.7 31.1 30.2 BF Max Depth ft 1.56 1.83 1.231 1 3.381 3.99 3.631 4.35 4.27 4.42 2.031 2.30 2.21 Width of Flood prone Area ft 73.641 77.58 73.521 1 153.88 153.85 153.95 124.67 124.70 124.66 120.72 120.78 120.8 Entrenchment Ratio 3.801 3.90 3.90 5.00 8.00 11.40 3.80 6.90 6.90 6.60 6.20 4.7 Bank Height Ratio 1.11 1.1 1.1 1.0 1.0 1.1 1.0 1.1 1.0 1.1 1.0 1.0 Wetted Perimeter ft 21.671 22.40 25.76 32.88 22.88 18.23 36.70 24.00 23.59 20.99 22.55 27.98 Hydraulic Radius ft 0.98 0.72 0.90 1.06 1.53 1.75 1.63 2.26 2.121 1.22 1.38 1.08 Substrate d50 mm d84 mm Parameter MY -1 2012 MY -2 2013 MY -3 2014 MY-4 2015 MY -5 2016 Min Max Med Min Max Med Min Max Med Min Max Med Min Max Med Pattern Channel Beltwidth ft Radius of Curvature ft Meander Wavelength ft Meander Width Ratio Proflle Riffle length ft Riffle Slope fVft Pool Length ft Pool Spacing ft Additional Reach Parameters Valley Length ft 4826 1 4826 4826 Channel Length ft 3674 3674 3674 Sinuosity 1.41 1.41 1.41 Water Surface Slope ft/ft 0.0051 0.0052 0.0052 BF Slope ft/ft 0.0072 0.0073 0.0071 Ros en Classification I C C C Reach: M3 Parameter Cross - section 5 Pool Cross - section 6 Riffle Cross - section 7 Pool Cross - section 8 Riffle MY1 I MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 Dimension BF Width ft 35.08 34.93 32.78 19.57 22.56 21.12 41.11 27.78 21.23 19.35 19.66 19.55 BF Mean Depth ft 1.61 1.68 1.63 1.41 1.34 1.24 1.06 1.70 2.19 1.45 1.38 1.36 Width/Depth Ratio 21.78 20.81 20.16 13.78 16.86 17.05 38.84 16.36 9.69 13.36 14.23 14.42 BF Cross - sectional Area (ft) 58.6 53.3 27.8 30.2 26.2 43.5 47.2 46.5 28.0 27.1 26.5 BF Max Depth ft 4.04 4.37 4.271 1 2.01 2.451 2.101 1 2.57 4.081 4.16 2.09 2.171 2.16 Width of Flood prone Area ft 119.00 119.06 119.061 108.03 108.03 108.13 118.58 118.63 118.56 115.23 115.12 115.21 Entrenchment Ratio 3.40 3.40 3.60 5.50 4.80 5.10 2.90 4.30 5.60 6.00 5.9 5.9 Bank Height Ratio 1.00 0.90 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.10 1.1 1.1 Wetted Perimeter ft 38.30 38.29 36.04 22.39 25.24 23.60 43.23 31.18 25.61 22.25 22.42 22.27 Hydraulic Radius ft 1.48 1.53 1.48 1.24 1.20 1.11 1.01 1.51 1.82 1.26 1.21 1.19 Substrate d50 mm d84 mm Parameter MY -1 2012 MY -2 2013 MY-3 2014 MY-4 2015 MY -5 2016 Min Max Med Min Max Med Min Max Med Min Max Med Min Max Mad Pattern Channel Beltwidth ft Radius of Curvature ft Meander Wavelength ft Meander Width Ratio Profile Riffle length ft Riffle Slope ft/ft Pool Length ft Pool Spacing ft Additional Reach Parameters Valley Length ft 4826 4826 1 4826 Channel Length ft 3674 3674 1 3674 Sinuosity 1.41 1.41 1.41 Water Surface Slope ft/ft 0.0051 0.0052 0.0052 BF Sloe tuft 0.0072 0.0073 0.0071 Ros en Classification C C C Reach: M3 Parameter Cross - section 9 Pool Cross- section 10 Riffle MY1 I MY2 MY3 MY4 MY5 MY1 MY2 MY3 MY4 MY5 Dimension BF Width ft 24.25 22.72 16.74 24.40 19.04 18.23 BF Mean Depth ft 1.30 1.62 1.42 1.30 1.30 1.12 Width/Depth Ratio 18.67 14.05 11.75 14.37 14.59 16.31 BF Cross - sectional Area ft= 31.50 36.80 23.80 24.40 24.80 20.40 BF Max Depth ft 3.24 3.98 2.981 1.83 2.211 1.74 Width of Flood prone Area ft 88.141 94.15 82.921 117.32 117.30 117.31 Entrenchment Ratio 3.60 4.10 5.00 6.30 6.20 6.40 Bank Height Ratio 1.0 1.0 1.0 1.0 1.1 1.2 Wetted Perimeter ft 26.85 25.96 19.58 27.00 21.64 20.47 Hydraulic Radius ft 1.17 1.42 1.22 0.90 1.15 1.00 Substrate d50 mm d84 mm Parameter MY -1 2012 MY -2 2013 MY -3 2014 MY-4 2015 MY -5 2016 Min Max Med Min Max Med Min Max Med Min Max Med Min Max Med Pattern Channel Beltwidth ft Radius of Curvature ft Meander Wavelength ft Meander Width Ratio Profile Riffle length ft Riffle Slope ft/ft Pool Length ft Pool S acin ft Additional Reach Parameters Valley Length ft 4826 4826 4826 Channel Length ft 3674 3674 1 1 1 3674 Sinuosity 1.41 1.41 1.41 Water Surface Slope ft/ft 0.0051 0.0052 0.0052 BF Slope ft/ft 0.0072 0.0073 0.0071 Ros en Classification I C C C STREAM DATA 825 Chart M1 (Data - Year collected 2- Station November 20 +00 2014) to 62 +00 - — As-Built Thd m -Year 1 ThAM 820 - -Year 2 Th*&" i _ Ysar 8 Th*mg - Wdar Sudbw 815 — Low barn `—' 810 A 0 e� 805 W 800 795 790 I 1200 1450 1700 1950 2200 2450 2700 2950 3200 3450 3700 3950 4200 4450 4700 4950 5200 5450 5700 5950 6200 Station (ft) Chart M3 - Year 2- Station 20 +00 to 35 +00 (Data collected November 2014) 819 — A"��Thaw - -- -Year 1 Thahmg —Year 2 Th&" 817 --Year 3 ThsKM — W@W Sur(ew —Low bank 815 - 813 ! 811 - ,a W � 809 r i 807 805 2000 2250 2500 2750 3000 3250 3500 Station (ft) Chart M3 - Year 2- Station 35 +00 to 52 +00 (Data collected November 2014) 809 —A~ TNdwsg —Year 1 Thalweg — Year 2 ThsWeg 807 --- Year 3 ThaWeg — Water Surface — Low hank 805 w 803 - - d 801 - .>�. W 799 - 797 795 3500 3750 4000 4250 4500 4750 5000 Station (ft) Permanent Cross - section 1 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature Stream Type BKF Area BKF Width BKF Depth Max BKF Depth W/D BH Ratio ER BKF Elev, TOB Elev Riffle C 23.3 18.97 1.23 1.74 15.42 1.1 3.9 817.07 817.29 822 821 820 819 818 c 817 R d 816 w 815 814 813 812 Candiff Cross - section 1 As -Built Year 1 — Year 2 Year 3 Bankfull - -- Floodprone 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 2 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature Stream Type BKF Area BKF Width BKF Depth Max BKF Depth W/D BH Ratio ER BKF Elev TOB Elev Pool 1 31.9 13.49 2.37 1 3.63 5.7 1.1 1 11.4 816.08 816.26 Candiff Cross - section 2 821 820 ------------------------------------------------------------------------------------------------------------- - - - - --0 819 818 817 c816 Z, ✓ --- - - - - -- m m 815 W 814 813 As -Built Year 1 -� — Year 2 Year 3 812 Bankfull - -o -- Floodprone 811 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 3 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature Stream Type BKF Area BKF Width BKF Depth Max BKF Depth W/D BH Ratio ER BKF Elev TOB Elev Pool 1 1 50.1 1 18.03 2.78 4.42 1 6.48 1.0 1 6.9 813.37 813.45 Candiff Cross - section 3 818 - ---------------------------------------------------------------------------------------------- - - - - -o 817 816 815 814 c 813 ------ ---- -- R m 812 w 811 810 As -Buik Year 1 809 Year 2 Year 3 ED Bankfull - - -0 -- Floodprone 808 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 4 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature I Stream Type BKF Area BKF Width 1 BKF De th Max BKF Depth W/D 1 BH Ratio 1 ER BKF Elev 1 TOB Elev Riffle C 30.2 25.62 1.18 2.21 21.77 1 1 4.7 810.63 810.58 815 814 813 812 r 811 0 w 810 > 809 m W 808 807 806 805 Candiff Cross - section 4 3— - ------------------------------------------------------ ---------------------- -- - -- - --0 b As -Built Year 1 Year 2 Year 3 Bankfull o Floodprone 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 5 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature Stream TvDe BKF Area BKF Width j BKF Depth Max BKF Depth W/D 1 BH Ratio ER BKF Elev TOB Elev Pool 53.3 32.78 1.63 4.27 20.16 1 1 3.6 808.2 808.28 813 812 811 810 iK 809 C 808 m 807 W 806 805 804 803 Candiff Cross - section 5 ----------------------------------------------------------------------------------- - - - - -o As -Built Year 1 t Year 2 Year 3 - -O Bankfull o-- Floodprone 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 6 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature Stream T BKF Area BKF Width 1 1 BKF Depth Max BKF Depth W/D 1 BH Ratio 1 ER BKF Elev 1 1 TOB Elev Riffle C 1 26.2 21.12 1.24 1 2.1 17.05 1 1 5.1 807.67 807.68 813 812 811 810 809 C 0 808 �a m 807 IL 806 805 804 803 Candiff Cross - section 6 As -Built Year 1 t Year 2 Year 3 4- Bankfull 0- - Floodprone 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 7 (Year 3 Data - Collected November 2014) n. Looking at the Left Bank Looking at the Right Bank Feature Stream T BKF Area BKF Width BKF Depth Max BKF Depth W/D BH Ratio ER BKF Elev TOB Elev Pool 46.5 21.23 2.19 4.16 9.69 1 5.6 803.7 803.82 809 808 807 806 805 c 0 804 a _> 803 w 802 801 800 799 Candiff Cross- section 7 As -Built Year 1 ­8­ Year 2 Bankfull o Floodprone Year 3 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) I . . Permanent Cross - section 8 (Year 3 Data - Collected November 2014) i Looking at the Left Bank Looking at the Right Bank Feature Stream Type BKF Area I BKF Width BKF Depth Max BKF Depth W/D BH Ratio ER BKF Elev TOB Elev Riffle C 26.5 1 19.55 1.36 2.16 1 14.42 1.1 5.9 801.85 802.03 807 806 805 804 803 0 802 m 801 U' 800 799 798 797 Candiff Cross - section 8 As -Built Year 1 o-- Year 2 Year 3 Bankfull Floodprone 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) Permanent Cross - section 9 (Year 3 Data - Collected November 2014) Looking at the Left Bank Looking at the Right Bank Feature Stream Type BKF Area BKF Width BKF Depth Max BKF Depth W/O I BH Ratio ER BKF Elev TOB Elev Pod 1 1 23.8 1 16.74 1 1.42 2.98 1 11.75 1 1 5 798.8 798.88 Candiff Cross - section 9 804 803 & ------------------------------------------------------------------ 802 801 800 c 799 ----- - - - - -- w m 798 w 797 796 As -Built Year 1 Year 2 Year 3 795 Bankfull --9- Floodprone 794 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) . 1 r . Permanent Cross - section 10 (Year 3 Data - Collected November 2014) "P, 4 Looking at the Left Bank Looking at the Right Bank Feature Stream Type BKF Area BKF Width BKF Depth Max BKF Depth W/D BH Ratio ER BKF Eiev To Elev Riffle C 20.4 18.23 1.12 1.74 16.31 1.2 6.4 797.85 798.19 803 802 801 800 799 c 798 0. 797 W 796 795 794 793 Candiff Cross - section 10 As -Built Year 1 —� Year 2 Year 3 4 Bankfull - o Floodprone 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Station (ft) • 0, . PP 1 STA 61+60, Constructed Riffle PP 2 61 +25, Constructed Riffle PP 3 STA 60 +25, Rock J -Hook PP 4 STA 60+10, Constructed Riffle PP 5 STA 59 +10, Log J -Hook PP 6 STA 58 +85, Constructed Riffle PP 7 STA 57+65, Log J -Hook e PP 9 STA 56 +70, Log J -Hook PP 8 STA 57 +50, Stream Crossing PP 10 STA 56 +50, Constructed Riffle PP 11 STA 55 +40, Log J -Hook PP 12 STA 55 +15, Constructed Riffle PP 13 STA 53 +95, Rock J -Hook PP 14 STA 53 +75, Constructed Riffle PP 15 STA 52 +35, Log J -Hook PP 16 STA 52 +05, Constructed Riffle PP 17 STA 50+75, Log J -Hook PP 18 STA 50+40, Constructed Riffle . 0� . PP 19 STA 49 +15, Log J -Hook PP 20 STA 48 +75, Constructed Riffle PP 21 STA 47 +50, Log J -Hook PP 22 STA 47 +25, Constructed Riffle PP 23 STA 46 +15, Log J -Hook PP 24 STA 46+00, Constructed Riffle •4 . PP 25 STA 45 +25, Rock J -Hook PP 26 STA 44 +90, Constructed Riffle PP 27 STA 43 +50, Log J -Hook PP 28 STA 43 +25, Constructed Riffle PP 29 STA 42 +10, Log J -Hook PP 30 STA 41 +80, Constructed Riffle '4 • PP 31 STA 40+25, Log J -Hook PP 32 STA 40+00, Constructed Riffle PP 33 STA 38 +50, Rock J -Hook PP 34 STA 38 +25, Constructed Riffle PP 35 STA 36 +75, Rock J -Hook PP 36 STA 36 +45, Constructed Riffle PP 37 STA 35+05, Log J -Hook PP 38 STA 34 +80, Constructed Riffle PP 39 STA 33 +90, Rock J -Hook PP 40 STA 33 +60, Constructed Riffle PP 41 STA 33+00, Stream Crossing PP 42 STA 32 +10, Log J -Hook . 14 . PP 43 STA 32 +75, Constructed Riffle PP 44 STA 30+55, Log J -Hook PP 45 STA 30+20, Constructed Riffle PP 46 STA 28 +80, Log J -Hook PP 47 STA 28 +65, Constructed Riffle PP 48 STA 27 +75, Log Vein/Pool At PP 49 STA 27 +10, Log J -Hook PP 50 STA 26 +75, Constructed Ride PP 51 STA 25 +65, Rock J -Hook PP 52 STA 25 +45, Constructed Rife PP 53 STA 24 +25, Log J -Hook PP 54 STA 24+00, Constructed Ride . 15 - PP 55 STA 22 +90, Log J -Hook PP 56 STA 22 +70, Constructed Riffle PP 57 STA 21+65, Log J -Hook PP 59 STA 17 +75, Rock Cross Vane PP 58 STA 19 +75, Rock Cross Vane M3 crest gauge STA 55 +50, April 8, 2014. Crest gauge reading of 0.82 feet. It . Bankfull evidence observed on April 8, 2014. Evidence likely deposited on January 11, 2014 M3 crest gauge STA 55 +50, July, 23 2014. Crest gauge reading of 0.23 feet