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HomeMy WebLinkAbout20031134 Ver 1_Monitoring Reports_20080324Fish and Wildlife Associates, Inc. 25 Water Tower Lane • P.O. Box 241 • Whittier, NC 28789 Phone: (828) 497-6505 • (828) 497-6506 • Fax: (828) 497-6213 Email: fwa@dnet.net • Web: www.fishandwildlifeassociates.com March 21, 2008 Cyndi Karoly Division of Water Quality 401 /Wetlands Unit 1650 Mail Service Center Raleigh, NC 27699-1650 RE: BannerLowes Restoration Project Streams and Wetlands DWQ Project #03-1134/ COE #200330365 Post Construction Monitoring Report Dear Ms. Karoly: D ~~~tl M [11~~ MgRZ4 D oE~~. zoos ~1'LAIVDSgIypST~~ ~RBR,q~yC H Enclosed is the 2007 Post Construction report on the BannerLowes Stream and Wetland Mitigation Project for the Collett development project on US 184 in Banner Elk, NC. Please contact me if you have any questions or comments. Sincerely, ~~ ~ ~~ v Barbara S. Wiggins CC: Amanda Jones, COE Mr. Bob Stultz 1 1 1 1 BannerLowe Mitigation Project UTA, UTB and Elk River Restoration Wetland Restoration DWQ #03-1134 USCOE Action ID No. 200330365 Post-Construction Report 2007 Prepared for submission to: US Corps of Engineers NC Dept of Environment and Natural Resources Division of Water Quality PREPARED BY: FISH AND WILDLIFE ASSOCIATES, INC. PO BOX 241 WHITTIER, NC 28789 March 2008 C ~ C Q~~ p MAR 2 4 2008 DENF3 - WATEk QUALITY WETLANDS AND STORMWATER BWWCH 1 1 1 TABLE OF CONTENTS List of Figures .....................................................................................................................ii ... List of Tables ......................................................................................................................iii PROJECT SITE ................................................................................................................... l PROJECT HISTORY .......................................................................................................... 4 METHODS .......................................................................................................................... 4 RESULT5 ............................................................................................................................ 5 Existing Conditions 2004 ....................................................................................•--.......---... 5 Post Construction Monitoring 2005-2006 ........................................................................... 6 Post Construction Monitoring 2007 .................................................................................... 9 FUTURE SAMFLING ......................................................................................................16 Appendix A: Preconstruction Photographs ....................................................................... 17 Appendix B ........................................................................................................................ 26 Stream and Wetland As Built Surveys ..................................................................27 Photographs 2005 .................................................................................................. 34 Appendix C ........................................................................................................................42 Longitudinal Survey Graphs 2005-2006 ............................................................... 43 Longitudinal Photographs October 2006 .............................................................. 46 Pebble Count Graphs October 2006 ...................................................................... 51 Appendix D ....................................................................................................................... 53 Vegetation Monitoring Plot Tables 2006-2007 .................................................... 54 Vegetation Monitoring Plot Photographs 2006-2007 ........................................... 58 Cross Section Photographs 2006-2007 .................................................................. 68 Groundwater, Stream level and Crest Gage Graphs 2006-2007 ........................... 74 List of Figures 1 Figure 1. Location of BannerLowe Stream and Wetland Restoration Site ...................... . 2 Figure 2. Elk River cross section profile at Station 1805, upstream riffle, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007 ................. 12 Figure 3. Elk River cross section profile at Station 1886, downstream pool, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007 ................... 12 Figure 4. Stream A cross section profile at Station 1438, upstream riffle, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007 ................... 13 Figure 5. Stream A cross section profile at Station 1599, downstream pool, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007 ................... 13 Figure 6. Stream B cross section profile at Station 1209, upstream site, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007 ................... 14 Figure 7. Stream B cross section profile at Station 1634, downstream site, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007 ................... 14 u List of Tables Table 1. Summary of As-built Lengths and Restoration Approaches ............... Table 2. BannerLowe Herbaceous Monitoring Plots Data ................................ 1 11 iii BannerLowe Mitigation Project UTA, UTB and Elk River Restoration Wetland Restoration DWQ #03-1134 USCOE Action ID No. 200330365 ' Post-Construction Monitoring 2007 ' PROJECT SITE The BannerLowe Mitigation Project is located in Avery County, NC in the Town of Banner ' Elk.. The project is located south of Banner Elk on the west side of NC 184 (Tynecastle Road), in the mountain ecoregion of North Carolina (Figure 1). The property at BannerLowes is composed of a total of 29.3 acres bordering Tynecastle Road. Tynecastle Road is the major thoroughfare into the Town of Banner Elk and the primary commercial corridor. This property ' has 720 feet of road frontage on Tynecastle Road. Primary access to the tract is through the Lowes access drive from Tynecastle Road. Secondary access is over a private road (Glove Factory Lane) adjacent to the old Glove Factory land (south) and a private road (Stonebridge ' Lane) adjacent to a Car Wash (north). Land use in the project vicinity is commercial along Tynecastle Road with residential homes set back from the road. The property was used for a residential home, barn and agricultural pasture prior to construction of the commercial ' buildings. The project is located within the Elk River watershed of the Watauga River Basin. The site lies ' in US Geological Survey (USGS) Cataloging Unit 06010103 and North Carolina Division of Water Quality (NCDWQ) sub-basin 04-02-01 of the Watauga River Basin. The mitigation ' project involves three streams and two wetlands on the property. There are two unnamed tributaries (UTA &UTB), with UTA flowing into the Elk River on the southeast side of the properly. UTB flows into the Elk river at a point downstream of the properly. The Elk River borders the property on the east side. The drainage areas involved include the Elk River at 2.95 1 square miles, the UTA at 0.04 square miles, and the UTB at 0.1 square miles. The Elk River flows parallel to Tynecastle Road and bisects the property. The Elk River was ' approximately six feet wide and six inches deep with a cobble, gravel, and sand substrate. The ever experiences impacts from beaver activity and floods (March 2003 and September 2004). These impacts had resulted in bank and channel degradation of the Elk River on the property. ' Preconstruction conditions can be seen in the photographs in Appendix A. Table 1. Summary of As-built Lengths and Restoration Approaches. Reach Name As-built Length (ft) Restoration Approach Elk River 387 Restoration UTA 536 Relocation and Restoration UTB 1,089 Relocation and Restoration Total 2,012 1 `ti~ 1"ILUI'e 1. Locatwn of BannerLo~~~es ~~1 Stream and Wetland I~r,~jcec ~ ~~~~~~~~~~~ Restoration Site is~»„~~ t•ax. ~c `- -~ w. '~ ~t ~ ~~ \t= 0187.5375 750 1,125 1,500 Feet .~ Avery County 2 d th e For the restoration project, the lower portion of the Elk River (387 If) was stabilized an profile and dimension restored in the stretch (Figure 2). UTA was relocated to the south side of the properly and restored for a length of 536 lf. Another UT joins with UTA near the head of ' the stream, but is not included in the mitigation project. UTA is a perennial stream and was channelized prior to the project. See photographs of the stream before the project was constructed in Appendix A. UTB had been channelized and all riparian vegetation removed ' during the agricultural use of the property. UTB was an intermittent stream upstream of the properly and became a perennial stream downstream at the confluence with two tributaries draining the springs west of the property. UTB was relocated and restored to a length of 1,089 ' lf. UTB had been channelized through the pasture, flowing northward into an old pond bed (Appendix A). ' The restoration project included two wetlands located adjacent to the Elk River on the east side of the river. The project to date has restored Wetland #1 (upstream above the bridge) between ' the stormwater wetland BMP and the Elk River. It was restored to 0.30 acres in size. The project has restored 0.34 acres of Wetland #2 (downstream of the bridge). Further wetlands have become established on the west side of the Elk River due to natural groundwater flow. ' The design for the BannerLowe project involved the restoration of channel dimension, pattern, and profile on the Elk River and two of its unnamed tributaries (UTA and UTB). After ' construction was complete, 2,012 feet of stream had been restored on the site and 0.64 acres of wetland. This Annual Report details the results of the monitoring efforts performed during 2007 (Year 2) at the BannerLowe Site. 1 1 Project History November-December 2006 Additional replacement trees planted in buffers June 2007 1st Annual Monitoring Report Fal12007 Additional Trees planted in buffers ' January 2006 UTA repaired Apnl 2006 Live stake planting on streams and ever; ATV damage to buffer on UTA noted ' May 2006 Completed Construction of Wetland Cells; Repaired structure on UTB ' June 2006 Wetland areas seeded and live stakes; buffers reseeded and planted ' September 2006 Replanted vandalized or damaged dead trees and shrubs 1 1 METHODS February 2005 Site Mitigation Plan Completed May 2005 Construction Begins on UTA and UTB July 2005 Completed Construction of UTA and UTB; preliminary live stakes, matting and seeding October 2005 Completed Construction of Elk River; vandalism of planted trees and shrubs on UTA and UTB noted December 2005 Trees and shrubs planted on streams and river Spring 2008 Live stakes planted on wetland berm along river Longitudinal and cross section reference sites were photographed immediately after construction and will be documented for at least five years following construction. Photographs will be taken at each of the vegetation plots during each growing season for at least five years following construction. Two (2) permanent cross-sections will be installed per 1,000 linear feet of stream. restoration work, with one (1) located at a riffle cross-section and one (1) located at a pool cross- section. There were two cross sections installed on each restored stream segment. A longitudinal profile will be completed once during the first year after construction and then every two years (for a total of three times over the five year monitoring period). Measurements will include thalweg, water surface, inner berm, bankfull, and top of low bank. 4 Bank erosion measurements will be made at each permanent cross section. A bank erodibility ' hazard index (BEHI) score will also be made at each cross section. Pebble counts will be conducted at each permanent cross section (100 counts per cross section) and reach-wide over twenty bankfull widths (100 counts total). Pebble counts will be conducted one year after ' construction and at a two-year interval thereafter at the time the longitudinal field surveys are performed. ' Vegetative monitoring plots were established on each of the stream restoration stretches. There were two 25'x 50' plots each established on UTA, UTB and the Elk River. Trees and shrubs are flagged and counted each year and survival will be determined based on initial plantings. Within ' these monitoring plots, herbaceous vegetation will be monitored using a one meter plot for determining density and diversity of herbaceous vegetation. Live stakes are monitored with one plot 50' long on both sides of the streams adjacent to the vegetative monitoring plots, with all ' live stakes counted and tracked to determine survival. Wetlands will be monitored for success using hydrology determinations through groundwater ' wells, crest gage, stream gage and rainfall data, wetland rating scores, vegetative stem counts, herbaceous density and diversity, hydrophytic vegetation, and photographs of the two wetland areas through the monitoring period. These conditions will be monitored for five years or until success criteria have been met. ~SULT-S` -Listed Chronologically from Pre Construction ' Pre-Construction Conditions 2004 ' Pre-construction observations in Apri12004 of the streams UTA and UTB showed impacts from the agricultural use of the land surrounding the two streams. Photographs of the pre-construction conditions can be found in Appendix A. UTA had very little buffer and was not protected from ' livestock access. UTB had some areas of natural vegetation and buffer, especially near the wetland areas on the west side of the project. Most of UTB was heavily impacted from clearing and livestock access, with drastic changes in pattern and dimension as can be seen in the ' photographs in Appendix A. The Elk River through the project had areas of bank erosion, dimension impacts from beaver dams, and clearing of the buffer through most of the length within the project boundaries. ' The wetlands on the project had been impacted historically through fill and livestock access to the area. All of the valley wetlands and the Elk River were heavily impacted through three consecutive floods in September 2004. The Elk River shifted its channel to the west and much ' of the wetlands closest to the river were filled with sand and rock debris from the floods. The Elk River was relocated back into its original channel in October to prevent the channel erosion and sediment load from cutting a new channel. The wetland areas adjacent to the river were ' heavily impacted from sand and rock deposits and were greatly reduced in size and function. Photographs of these conditions can be seen in Appendix A. Restoration of the wetlands and the connection with the Elk River through the mitigation plan would restore these wetland areas. ' Post Construction 2005-2006 Vegetation Monitoring ' Longitudinal Profile and Cross Section Bank Erosion estimates and BEHI Pebble Count ' Wetland Restoration Plans showing as built conditions and photographs for the three streams and the two wetlands are included in Appendix B. The active project construction extended over a long period of time ' with more than a year in construction and planting activities for the project. As can be seen on the timetable of the project history, the stream restoration projects were completed at two different times in 2005. The wetlands were not completed until May of 2006. Vegetation ' planting efforts were spread out throughout and are continuing into 2007, due to seasonal planting requirements. There were multiple impacts to the streams and wetlands from adjacent construction activities, including stormwater BMP construction, sediment and erosion control ' structures, utility installations, and general construction impacts. Vandalism had been noted in 2005 and is still being observed through current field surveys. All of these impacts on the projects will be discussed as it impacted the individual monitoring components and how the ' impacts were repaired. Lowes opened for business in early July 2006, ending most landscaping and associated construction activities. ' No excessive rainfall events or floods occurred during 2005 or 2006. Rain events are documented under the Wetland Restoration monitoring for the site. There were high stream level events but no bankfull events in 2005 or 2006 as recorded by the crest gage. More ' discussion of the precipitation and stream levels will be covered under the stream longitudinal profile and the wetland restoration sections of this report. ' Vegetation Monitoring STREAMS ' Plantings on the three streams began as early as July 2005 and were still continuing into 2007. There was a partial livestake planting on UTA and UTB in July 2005 along with native grass seeding to provide an initial head start for bank stabilization. Elk River was planted with native ' seeds and livestakes in October of 2005. All three streams were planted with trees in December 2005 and with the rest of the livestakes in March/April of 2006. Some areas on the streams and the Elk River could not be planted, due to continuing site construction, sediment control fencing, ' and other limiting factors. In December 2005, a sewer line crossing disturbed a portion of UTB and a construction vehicle became stuck in UTA, requiring repairs on both those streams. Several trees that had been planted along along the streams and river were observed run over, pushed over or pulled up. Construction on utility lines had impacted all plantings near the lower ' section of UTB on the west side. UTA had lost all of its tree plantings on the south side of the stream in the area from the berm to ' the side unnamed tributary, probably due to the ATV that was observed in May 2006 using the area as a driving track. The area was posted with signs and replanted in the summer of 2006. 1 1 1 Initial vegetation plantings were surveyed during July 2006 for live stakes, tree plantings and herbaceous cover in the monitoring plots. WETLANDS The restored wetlands were completed in May 2006 and seeds and livestakes were planted where final construction grade was in place. The wetland areas immediately showed signs of hydrology, hydric soil development and immediate establishment of hydrophytic vegetation with good growth. The area along the Elk River on both wetlands could not be planted due to construction activities and the upper wetland was limited in planting on the stormwater wetland side until after June 2006. The joint monitoring plots for the lower wetland and the Elk River were established and initial stem counts were made. RESULTS Vegetative monitoring plot data for the streams and wetlands showed some of the above impacts during the July survey, but not all of the impacts. None of the plots have been through a full growing season except for the live stakes on UTA and UTB. Only six monitoring plots out of eleven were up to design planting numbers in 2006. The other five plots were still under impacts from construction activities. The number of tree and shrub stems per acre ranged from 67 to 633 stems/acre. Livestake plots ranged from 1200 to 1633 stems/acre on the streams. The wetlands monitoring plots were only partially planted in 2006 and ranged from no livestakes in one plot to 600 stems/acre in the second plot. Herbaceous plots were established on all streams and wetlands in 2006 and will be surveyed in 2007 after a full year of unimpacted growth. Preliminary surveys show that the herbaceous plots are experiencing good growth and cover in the meter plot. New plantings and replantings of trees, shrubs and livestakes are planned for the winter of 2006-2007 to insure the initial counts met design criteria and will be reported in the 2007 monitoring report. Longitudinal Profile and Cross Section The total length of stream channel restored on the three streams on the site was 2012 feet. This entire length was inspected during Year 1 of the monitoring period (2006) to assess stream performance. Two cross sections and one longitudinal profile on each stream were surveyed and plotted in October 2006. The longitudinal profile is shown in Appendix C. A third cross section on Stream B (Cross Section #1, Station 1219) was located in the intermittent flow section and has had no flows except for rain runoff. This cross section will be dropped and the remaining two cross sections will be used for the two permanent cross section monitoring points. Based on the data collected, all riffles, pools, and other constructed features along the restored channel are stable and functioning as designed. The lack of significant problem areas along the length of the restored channel after the occurrence of at least one river flow larger than bankfiill discharge further supports functionality of the design. It is expected that stability and in-stream habitat of the system will only improve in the coming years as permanent vegetation becomes more established. Photographs of each stream profile are included in the Appendix C of this report. Bank Erosion estimates and BEHI Bank erosion estimates were not performed in 2006, but the cross section surveys show no ' change from the as-built conditions. Erosion pins will be installed in 2007 and monitored for the remainder of the monitoring period. ' BEHI observations for UTA were low to very low as the vegetation is very well established, the channel is connected to its floodplain, and the slope is low. There is one area of higher BEHI where the second UT confluence enters UTA. UTB has more disturbed channel where the flood ' event in late summer of 2005 washed out all channel vegetation down to rock and bedrock, but the stream banks were recovering and were well covered with vegetation. UTB BEHI ranges ' from Low to Moderate with some areas showing a High rating. The Elk River has vegetation but has been slow to completely cover the banks as the majority its stream banks alon in , g g grow of the bank materials were large cobble and even some boulders. This helps to maintain the ' stability of the stream banks even without the vegetation growth. The Elk River BEHI ranges depending on the amount of rocks present in the bank. Low to Moderate from Ve , ry Pebble Count Pebble counts at each permanent cross section and reach-wide over twenty bankfull widths were performed on the three restored streams and the data is shown in Appendix C. Pebble counts for ' the Elk River show a very coarse gravel substrate for the river. UTA and UTB have a medium gravel substrate. UTB is receiving some sediment from the upstream channel construction which has not had any water flow other than rain runoff since construction began on the site. The ' intermittent channel has become ephemeral until the confluence with the wetland channels. Downstream of the wetland flow the UTB is perennial. ' Wetland Restoration Two wetland areas adjacent to the Elk River on the east side were restored. This construction ' was completed in May-June 2006 and the wetlands have not experienced a full year after construction yet. Preliminary groundwater data, stream height, and crest levels from August 2006 to February 2007 are shown in Appendix C. Initial data indicates that when the stream levels rise, the groundwater gages in the two wetlands also respond with a rise in water level. Soil observations indicate that hydric soils are already developing in both wetland areas. Hydric vegetation has covered both wetlands except in the deeper water areas. The Wetland #I has experienced ponding on the lower end and adjustments are being made to lower the standing ' water level. Final adjustments will be made during the growing season of 2007 in order to maintain hydrology of the wetland. All indications show that the two restored wetlands are functioning as effective wetlands and maintaining the hydrology, vegetation and hydric soil ' conditions of a riparian wetland connected to the adjacent Elk River. ~ a 1 1 1 1 1 1 1 1 1 1 1 Post Construction 2007 Vegetation Monitoring Cross Section Survey Bank Erosion estimates and BEHI Wetland Restoration In 2007, most azeas of the stream and wetland restoration project were stable and returning to natural conditions. Two azeas of exception were the stormwater wetland berm shared with the upper wetland and the buffer between Stream A and Lowes pazking lot. 'The stormwater wetland required some construction repairs and a change in discharge pattern into Wetland # I which disturbed the berm. This area was replanted with herbaceous seeds and plants after the grading was completed. The buffer along Stream A next to the Lowes pazking lot continued to be impacted by mowing activities. This area was remarked, reflagged, and replanted in the fall of 2007. Collett and Associates notified Lowes again of the required buffer rules. Replanting efforts continued azound the restored wetlands during the appropriate season for plantings. During 2007 the region was experiencing extreme drought conditians, especially by late summer and fall. Stream B was dry until just below the discharge outfall from the stormwater BMP, and less than 40% of the new stream channel had flow by October 2007. Stream A had no to very minimal flow and vegetation was growing into the stream channel. No excessive rainfall events or floods occurred during 2007. Rain events are documented under the Wetland Restoration monitoring for the site. There were high stream level events but no bankfull events in 2005 - 2007 as recorded by the crest gauge. More discussion of the precipitation and stream levels will be covered under the wetland restoration sections of this report. Vegetation Monitoring Streams Plantings on the three streams began as early as July 2005 and are still continuing into 2008. As noted above, the buffer along Stream A has continued to experience impacts from mowing and was replanted again in the Fall of 2007, after the vegetation monitoring had been performed for the year. See the photographs in Appendix D for vegetation growth in the monitoring plots and impacts from the mowing. Wetlands In 2007 the first full growing season had been encountered for the restored wetlands. The wetland areas continue to show signs of hydrology, hydric soil development and establishment of hydrophytic vegetation with good growth as can be seen in the Photos in Appendix D. This was despite regional drought conditions in Western NC, indicating successful restoration of wetlands will be possible at this site. Additional live stake and tree plantings on the berm between the restored wetlands and the Elk River were not completed before the monitoring occurred in 2007, due to seasonal requirements. Veg`tation Results Vegetative monitoring plot data for the streams and wetlands showed some areas of improved growth and success in 2007 and other azeas which are still below the required number of stems. The tables of the results can be seen in Appendix D. Stream A upper monitoring plot next to the Lowe's parking lot was still being impacted by mowing in the buffer. More trees and shrubs will be planted in the fall of 2007 and the area was marked with high visibility stakes and paint. The live stakes along the stream channel aze showing good survival, despite the dry stream channel. ' The Stream A lower monitoring plot needs additional replanting to bring the azea back up in stem numbers, but the ones that survived the vandalism and ATV impacts are doing well. Stream B survival in the lower momtonng plot is m good condition, with good live stake survival and stem survival. The upper monitoring plot on Stream B needs more density of stems, ' but those that were planted aze surviving. A replanting of trees and shrubs will be done during the winter months of 2007-2008 to bring the density in the buffer back to the original planting density. The two wetland monitoring plots are doing well with herbaceous vegetation, but the hve stakes showed poor survival (conditions were too wet where they were planted). The wetlands are ' scheduled for replanting at higher elevations on the slopes with trees and live stakes. This will occur during the winter months of 2007-2008. In Wetland #2, the upper monitoring plot live stake area is showing good survival and density. All wetland monitoring plots will be primarily ' herbaceous cover due to the degree of moisture present and will be primarily a mazsh-type wetland versus a hardwood or bottomland wetland. Herbaceous monitoring plots with one exception are showing 80-100% cover as shown in the photographs in Appendix D. Stem counts ranged from 17,000-56,000 on most meter plots with the exception of the upper Stream B monitoring plot (Table 2). This reach of Stream B has been ' slow to grow plants of any type, despite several reseeding attempts and fertilizer additions. More seeding and soil testing will be performed during the winter months to ensure good growth by the growing season of 2008. 10 Table 2. BannerLowe Herbaceous Monitoring Plots Data 1 1 Stem Counts/sq. meter 2008 Stream A U er 31,500 Lower 17,500 Stream B U er 1,000 Lower 18,750 Wetland #1 U er 56,750 Lower 29,000 Wetland #2 & E lk River U er 30,000 Lower 28,250 Longitudinal Profile and Cross Section This was Monitoring Year 2, so no longitudinal profile surveys or pebble counts were performed. Two cross sections on each stream were surveyed and plotted in October 2007 and are shown in Figures 2-7. There are some changes shown on the cross section comparison graphs. Much of the buffer changes from 2006 to 2007 were due to additional land grading after the streams were constructed and surveyed. Changes in the dimension in Stream A and Stream B were due to one large rain event in the late summer of 2005 which scoured out the vegetation and the channel in the two smaller streams. Based on the data collected, all riffles, pools, and other constructed features along the restored channels are stable and functioning as designed. There are small areas of unstable or eroding stream bank due to the slow growth of vegetation as noted in the vegetation section of this report, primarily along Stream B. The data from the crest gauge indicates that several high water events have occurred since completion of the stream restoration and that the design is functioning as proposed. It is expected that stability and in-stream habitat of the system will only improve in the coming years as permanent vegetation becomes more established. ii 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 97.00 96.00 ~ 95.00 0 94.00 93.00 m w 92.00 91.00 90.00 Elk River Riffle 1805 Cross Section 0 20 40 60 Wid1~t (ft) Figure 2. Elk River cross section profile at Station 1805, upstream riffle, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007. 97.00 96.00 ~ 95.00 ~ 94.00 0 93.00 ~ 92.00 m 91.00 W 90.00 89.00 88.00 Elk River Pool 1886 Cross Section 0 20 40 60 80 Width (ft) Figure 3. Elk River cross section profile at Station 1886, downstream pool, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007. 12 1 1 1 1 1 1 1 1 1 1 1 Stream A Riffle 1438 Cross Section 98.00 97.00 96 00 c 0 95.00 W 94.00 93A0 92.00 0 10 20 30 40 50 -•- Oct-06 ~- Od-07 Width (ft) Figure 4. Stream A cross section profile at Station 1438, upstream rii~le, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007. Stream A Poo11599 Cross Section 97.00 96.00 95.00 ~ 94.00 0 93.00 92.00 W 91.00 90.00 89.00 88.00 0 10 20 30 40 50 -•- Oct-06 -~- Oct-07 Width (ft) Figure 5. Stream A cross section profile at Station 1599, downstream pool, BannerLowe Project, Avery County,. Banner Elk, NC, 2006-2007. 13 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Stream B Station 1209 Cross Section 98 97 96 ~ 95 0 94 R 93 > 92 m w 91 90 89 88 0.0 20.0 Width (ft) 40.0 60.0 --.~- Oct-06 -~- Oct-07 Figure 6. Stream B cross section profile at Station 1209, upstream site, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007. 99.00 98.00 97.00 0 96.00 95.00 m 94.00 w 93.00 92.00 91.00 Stream B Station 1634 Cross Section 0 10 20 30 40 50 Width ft -+- Oct-06 -~ Oct-07 Figure 7. Stream B cross section profile at Station 1634, downstream site, BannerLowe Project, Avery County, Banner Elk, NC, 2006-2007. Photographs of each stream profile and cross section are included in the Appendix D of this report. ~a d BEHI Bank Erosion estimates an BEHI observations for UTA were Very Low as the vegetation is very well established, the ' channel is connected to its floodplain, and the slope is low. There is one area of less stable banks where the second UT confluence enters UTA. UTB has more disturbed channel where the flood event in late 2005 washed out all channel vegetation down to rock and bedrock, but the stream ' banks were recovering and were well covered with vegetation in the lower section. UTB BEHI ranges from Very Low to Low with some of the dry upstream azeas showing a Moderate to High rating. The Elk River has vegetation growing along its stream banks and has stabilized well, despite the dry weather conditions. The Elk River BEHI ranges from Very Low to Low, depending on the bank height and bank angle. ' Erosion pins were installed in 2007 and will be monitored for the remainder of the monitoring period. ' Wetland Restoration Two wetland areas adjacent to the Elk River on the east side were restored with the design of a ' backwater depression and a levee next to the Elk River. This is the first full year after construction was completed in June 2006. Groundwater data, stream height, crest levels, and rainfall amounts from August 2006 to January 2008 are shown in Appendix D. Two of the ' gauges lost memory during the period February to June 2007. These two gauges were in separate wetlands, so there was at least one gauge functioning during this period in each wetland. Gauges GW2 and GW3 were in Wetland #1 on the upstream side o~the access bridge and ' showed saturated conditions during the growing season. GW2 was in hydrology that had standing water on the surface during part of the monitoring period and within 2" of the surface the remaining time. GW3 generally showed hydrology present within 5' to 10" of the surface for ' the whole period graphed. Steps were taken to reduce the ponding of the water in Wetland # 1 with future adjustments possible if standing water remains too high, even in the dryer seasons. In Wetland #2 on the downstream side of the access bridge, GWl and GW4 fluctuated between ' 5" and 20" in water level below the surface throughout the period, with generally higher water levels in the winter and lower in the dryer summer months. Variation in the elevation was present during the summer and fall months which were related to the rain events in the valley. ' The Restored Wetlands meet the success criteria of hydrology of inundation or saturation within 12 inches of the soil surface for a minimum of 8-20 consecutive days of the growing season ' beginning May 1 and ending October 11 for the 2006 and 2007 growing seasons. Hydric soil conditions were documented in both restored wetlands. Wetland #1 had a soil classification of 7.5 YR 4/1 in the top 12" with mottles of 7.5 YR 4/6 in sandy loam soil. The soil was saturated throughout and inundated in some locations within the wetland. Wetland #2 had soils with lOYR 3/1 in 0'-2", 2.SY 3/1 from 2"-8", and 2.5 Y 7/2 in 8" - 18" with mottles throughout in a clayey loam soil. The water table was noted at 12" in both wetlands in August t 2007. ' 15 ' Vegetation success has been achieved with 100% herbaceous cover in the restored wetlands with almost 100% hydrophytic vegetation present within the boundaries of the two Wetlands. The ' wetlands' species are compazable to reference marsh-type wetlands common in the Elk River watershed. Stem counts for trees and shrubs on the berms and levee have not been as successful, due to the delay in planting and as shown on the vegetative result table. Additional plantings and ' stakings will be made to insure the success criteria of 328 stems/acres are achieved for the wetland berm areas. ' Overbank flow was monitored with the crest gauge. No data shows that the river crested over the levee on the upstream site where the gauge was located. However, the levee in the downstream reach of Wetland #2 was built slightly lower and seemed to experience a bankfull event when the crest gauge showed elevated water levels close to bankfull. There may have l d ' an . been two events over the period graphed where bankfull was achieved on the lower wet Another factor involved in the hydration of the wetlands was the consistency of the levees and general soil in the buffer adjacent to the Elk River -a mixture of soil and lazge cobble and ' boulders from historic and current flood events. The cobble mixture allows water flow between the wetlands and the Elk River during less than bankfull events. This can be observed through the comparison of the water levels of the groundwater wells and the river water levels over the ' period monitored. Peaks in the river water levels can be observed at the same time as elevation peaks in the groundwater wells, indicating a connection between the water levels of both the wetlands and the river. ' Measurement of the wetland area showed 0.30 acres in Wetland # 1 and 0.32 acres in Wetland #2 restored so far for a total of 0.64 acres restored. Additional azeas are showing signs of expansion of the wetland conditions. Especially in Wetland #1, the wetland is expanding towards the adjacent commercial properly due to spring heads on the south side. Expansion towards the stormwater wetland BMP is also expected now that construction and repair activities have been ' completed. FUTURE SAMPLING ' Annual sampling will be performed at the BannerLowes Project site in 2008, 2009 and 2010 or until five years of monitoring are reached and the success benchmarks are achieved. 1 1 16 1 1 1 1 Appendix A Pre-Construction Photographs 17 Elk River looking downstream, behind Elk River looking downstream on BannerLowe Great Train Factory, Bannerlowe Project, April 15, 2004, Avery County, NC. Project, April 15, 2004, Avery County, NC. .~. ~ ~i ~ ~°' i alts,`., 1 ~. Elk River looking upst eam f om mid-point, BannerLowe Project, April 15, 2004, Avery County, NC. Elk River looking downstream at Beaver Elk River looking upstream from Dam on BannerLowe Project, Stonebridge Lane, BannerLowe Project April 15, 2004, Avery County, NC. April 15, 2004, Avery County, NC. 18 Elk River looking downstream on BannerLowe Project, eroded banks, April 15, 2004, Avery County, NC. ~-~; a ~. .~ k*' - {!~'. iPS t ..a' 4i t'.Y 'R '~ FE~` F ~ ~ ~ _µ. .«vr ,,~ ~ r~~* xMiX ~ ~ ~t!'R~. ? ~ K ,'. ~'*"~ }yr~ _,. ~' r~ r -,°'.y a s .,{tea j ~ UTB linear wetlands, BannerLowe Project, UTB looking upstream from end of April 15, 2004, Avery County, NC. Project, BannerLowe Project, April 15, 2004, Avery County, NC. 19 UTB Headwaters looking upstream, UTB Impacted by animal access, Bannerowe Project, April 15, 2004, looking downstream on Avery County, NC. BannerLowe Project, April 15, 2004; Avery County, NC. '~ ~ ii ii ' UTA headwaters looking upstream, BannerLowe UTA looking downstream towards Elk Project, April 15, 2004, Avery County, NC. River, BannerLowe Project, April 15, 2004, Avery County, NC. 20 1 UTA downstream end near confluence with the Elk River, BannerLowe Project, April 15, 2004, Avery County, NC. ~~ ~ ~, y '441`, qi Y~hY ~~ f,~, i ~ ~ J ~' ;~ ~ '~K .. ~. *r.. ~.;'~a. ~; ,.:-• -. -'~ Wetland #2, BannerLowe Project, April 15, 2004 Avery County, NC. 21 Wetland #1, BannerLowe Project, April 15, 2004, Avery County, NC. Wetland #3, BannerLowe Project, April 15, 2004, Avery County, NC. 22 '~ ~ k ~,.~ ,,.., '~ w ,w ;' ''y, E -~t3h ~ ,,g ~ ,,~ _ ~, r i~ ~ M ~.~< ..rye c~ ~ 4~~ ~_~ :.r .... ~.: Elk River looking upstream at new channel entering old channel, Post hurricane flood, September 24, 2004, BannerLowe Project, Avery County, NC. 23 Elk River looking downstream from Glove Factory Lane Bridge after hurricane floods; new channel cut to left side; September 24, 2004, BannerLowe Project, Avery County, NC. Elk River and Wetland Z, flood deposits after Hurricane floods, September 24, 2004, BannerLowe Project, Avery County, NC. « .F ~ ~~ t ~ ~ ~ =a ,. _~. ;~'~~. w j -~ Elk River at Glove Factory Lane looking downstream, post 3rd humcane flood event, September 30, 2004, BannerLowe Project, Avery County, NC. 24 ,. Elk River looking upstream, additional cobble deposits, post 3rd hurricane flood event, September 30, 2004, BannerLowe Project, Avery County, NC. "~ 4 .. _ .....,. e R ~ `*~,. 4 .. - ~~" e_'~...~. '+V'.; ?Vin's ,i. . _ . .::ix. Elk River and Wetland #2 additional sand deposits, Post-3 hurricane flood events, September 30, 2004, BannerLowe Project, Avery County, NC. 25 1 1 1 Appendix B Stream and Wetland As-Built Surveys Photographs 2005 2s , WETLAND AND STREAM MITIGATION PROJECT N p,142 i to ~ ~ x ~ J` ' ,_ ~ ~,;~..~' ~,' ~ ~ COLLETT AND AS50CIATES NNERLOWE SITE i ~ „~ i ~. ~ t-; BA , ,~1 ~ ~ '~' ~ ~ ' ' ~~Tl~t ~' ~v~~x ~~~ A~ TRIBUTilRIBS ~ ~ % aINDVBR 8I.t41VC i , ! ~i!!LT FOR STRI~lM MITIQill70N • ~ _.._ QRIG AS TYPE OF W w VICINITY MAP M •YMa06P FIO RMOND . t i0 fi 71~R'AI ~• /lA 100/ NCIICIA. naienr sro+u No mrx n+w wo waiu ~/~ " 1 ~ "~"'j+' - E _ ~~ ~. s ~wnT ar ~ r+r K.war a uu ~~- --- ~' ,1 M AHY•i C! YR ~ C._ ._, . / ~....~„~.- ~{ rv A 1 ~ 1 \ 1 /~ ` ~I ! ". ' ~' 1 ~ ~/ ~ ; --- - --- , _ ~ %' + _ ,~~~ , ~ . ., y a~ur~c scuBS ~es~r n~2ra rROlscr saNOxs 2204 I~lE1 .~.. ' ~,,, ~'0°~ UTA Uli IIK AS.OUILT i1111AM LRIGIM ~ oaws+ arweu~ T'RE ~ w u AS-WILT AUCM uNtnH reo nn 2h Klr1M ""~DY ~ ~ ,1aac ~ Ts i.1 a~.o . m ~ • ~~ ypp~ 4.6 4.4 2~1.>t INKY 2006 r110A14 ~pR ~ p~N 0.0 0.0 1A OOAQ1lJaL111 AI1L S`9~~ ~ 1yp µnp 12 12 16 LTL ' ' t ~~ CQMfi[C7 Yl!! - l7fltq'SY '82111QLM0~ NOLLVLO1S3d-321d 3211/ NNWF18 3211201N00 ,~ XJ8 2~fMQi'>t '~R i _ _ _ ..,_..~_-- ~1aW ~N ..._-~.,-,.._...._...~_.,.OIO~N.lNp~-r......-.-r-mot _ . _~,.__ _.._ .__. ..~~ -___.~ ___.'. ... ..-_ ~~ YN ~Qp~ X191 fr ~ ~« \ Lti' \4 f./~N ,~ ~, .r..~„p^~~^SC-'^k~Y~,-M...flr*3,~..:~:~" W~ 1 ` ~ `~...r ~-.~...-....,.+.r ~~ 014 ~ ...~. r fi ~~ 1 I ~ I f` ~v ,l f ,,, ~ ,,~ ~ ~ / .__. .r r' fr ~~ ,~ -~" ~~ -~ ; ~ ~, ~~°' . . . . . . . . . . . . . . . . . . . 'W /~~~'~,,,~ ~ G~'- ry M M7q~ 1 1 ~ t.,~ I ri: i :~ 1 utr ® n.r ~..~% .• ~} "~ ~// ~~ /~' ti~ .- y` l` ~t~ ~ POINT 6~ ~ POINT kg YT0 16+ ~ ~a BEl9iN REACH UTB - -• -•-._ 1 6 B t 12~ 13+00 •~. _ "" ._._._. .-•-•- 1j - ._._ ~~~ - .. f' _.__._ - ~ _. ~ UTB PHOTO Ufe P 9I~ p,~~ 2 UTB PHOTO UTB PHOTO POINT t ~ POINT 9 POINT .{ ~J~~- _ _ _ ----" P 7 C~ONfOURS SHOWN ARE PRE-RESTORATION CON70tfR8. MMV81t BLOC s AS,8T1bT [J18 ~~ ~ .~. i ~ ~~ ® ..,.. r 11T8 PHOTO / ,,; S POINT 11 1 END REACH U'T~- U7'8 PHOTO __ ~,.`, '~-~......,-.. .. ~ ~~r _~_,.,.._....,....,.,. ......,~..--~..ST;i1r2Sw1~.2f1 -~. ,... $ POINT 7 -___~`'^~..` N ~-~.. ===~'="----' J Y _ / ~• ~ ~~ ~I ~l # jl ,~ CONTOUR8 SHOWN ARE PRE-RESTORA710N CONTWR8. BAPQ1~8 a/.K AS,B[1dT dTs i a ~`~,• __._~ ' ?o+~ --------- -.- - ~ ___-- ~,.., . -... ._ ~~ .__-- . •~ ~, ~ ~. ~ , 4 ` ~• J ~.. ~ r _, ae ,~ ,~~ ~, ~,`~? ~ .~ `~ ~` S1._ , ®~, 1}~ , '`+\~"~ ,~''~'~:- _~:.°W~`' ® _ 1 LSD ~Y~ -~~-~- 1 Er.1 ~__ -_: - - ~ ~t~ `. n t ~r ~~ Y 11 ~` ~ ~.~ ~ \\ CANTDURIS iiFIVWN lYtt !'KCH[CCf 1 VKMIIVIY liV'7~1 ~ VVR3. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ r ~ ~~>~ xn,s 8 y`r V+ N y~,~ ~ "*~ ~ O W 18~M M qlr u,J'r • ~ 2 ~~ PNKSkI IS~a7 p ~ i ~ I YCSIw MKV1 I I ~ I PlIK;Sp, PpAS7J P I / ~ / I / i / 1 91;1 `3 ~2 ~/ ,~1\~-~// / I `~ / / I j I // --3710---~-/ / ~~ ~ ~ ` ~ ~ OB-'// / ~ ~ ~ ~ j / ~ `~ ` ` / / __~ __,\~__ _ _ \ '3709------ -~ \~ // ~ WETLAND AREAS UNDERCUT BY 10 INCHES AND ~ FILLED TO FINAL GRADE WITH STOCI~ILED TOPSOIL NOTE: 2004 FLOODS SIGNIFICANTLY ALTERED PRE-RESTORATION GROUND ELEVATIONS IN THE ELK RNER FLOODPWN. PRE-RESTORATION CONTOURS SHOWN SHOULD BE CONSIDERED APPROXIMATE, ~.~ ~~ ~~~ mn,s •• ~u~oarirt °°~° END CONSTRUCTION ELK STA 20+51.71 ® r ~N~,,.~ BEGIN CONSTRUCTION nr ~ ELK STA 18+78.86 CP' 67 C ? R r ~ ~ Q O 1MOQ ~~ ~ ` ` _ / ~1 / w tl'NOJ9r SIC ~ ` ~ ~ ' M -~~ / yt ~ ~ t o ' ~~ ~ ° ~ TO'Ap ~ \~ -~ ~f o 0 'jf``~, J, ~ O ` ~ s[Sia N'aCtG ~r ~ w s lour ~~ i i - 1 - - - - - - - - - - ~ -------------- r .' ~ ~ e ~ i i \ ~ ~~ ~ ~ ~ i~ i i i i 1~ ~ i, ~~ .$ ~ ~~ , ,- ~i~ i~ ~ - ~\~ i~ i _.3'109' ~_~- ~` ~ __ - 3704-._-- ~ ~' ,~ , ~. \'`1` ` ~I~ ,~ 1 X11 ~ 6' ~ ~~ ~---3105--' ,9~0 - _ _ ~ 9ip9-' ~ ~ WETLAND AREAS UNDERCUT SY 10 INCHES AND FILLED TO FINAL GRADE WITH 8TOCKPILED TOPSOIL ~ ~~~t~un g ~~al~rwri ~ g~~srrav r. r R R' 9 ~ r~TE 2004 FLOODS SIONIFlCANTLY ALTERED PREa2F.STORATION GROUND BA1fU1~ A~ ~ ELEVATIONS IN THE ELK RNER FLOODPLAIN. PRE-RE8TORATION dS-aUbT CONTOUR3 SHOWN 8HOULD BE CONSIDERED APPROXIMATE. r ~ neusiwrt wa 33 el9 Stream A at head of project looking downstream, BannerLowes Mitigation Project, Banner Elk, NC, September 2005. .~ „~ ,~ ,. ~~ ~ #'~-~ ~ ~ *r .g - . .ht . ' ~$ *~. ~, a ~~ - " . y r ~C' a ' z ~ a . ., ~ .,frt. v ~ s~ h~ ~~. wC~ <L ~~^ ~~ ~ ~ i _ 3 { M fl • ~ ~ ? is R ~ - . ~ _ ~. ,,~. .~, d~ ,arc : y'` a= Stream A; looking downstream at mid-point of project, BannerLowes Mitigation Project, Banner Elk, NC, September 2005. 34 1~~ ,`<` .. ~ >. ~ v 1 . :: W ~~ ~; ~ _ ,~ . _.~~:Ta. Stream A, looking downstream towards Elk River, BannerLowes Mitigation Project, Banner Elk, NC September 2005. 35 ~ ~. ';.- ~~ ,~^T . ~'~'y . ~. ~:t ¢`~~ w }1- ~ i k f __ ~ . ~ 'Jvk~•. ~ 4 ~. ~i'' x4 ~ Y~e3 g ~~ ~_~ .~ ~' .ti ,.r ~,,_ ,,. 9~' ;;f~ w, #'~ :FT E Y ~Y a .. ~ M` ,`~° yE-moo . ~r q r ..~ ` y£ t V ~ ~ ~ Z y- _~ Stream B looking downstream from head of project, BannerLowes Mitigation Project, Banner Elk, NC, September 2005. t - -. u ~, ' .. t' 3 ~ ~. ~ _. ;;:r; x ,~ : , . ~ ~ y,. a ~'o'roR' ..,N,~rG.- ~. . r ~a Stream B looking downstream at wetland drainage confluence, middle of project, BannerLowes Mitigation Project, Banner Elk, September 2005. 36 '£ "'~' ^C`'_ k; 9 e ..,.._,a, .NZn~Y J fY `k' W ;. 1. v MCC y, Y~ M.~. '~ .. ~, b r c' nl Y ,'fix .~ ,. ~3R. w~. ~ ~ x~~ ;; S • "~'` y^ .. -- ~ ~ '~-,. ,~ ~, } ,~ M > ~ , t. ~ '~ t~ , , ~ ~-. i ~- ~~ . ` ''~ ~' ~~:.~j r ~ ;?~ ~. t• '~- ~' -. Stream B looking downstream from mid-point of stream, BannerLowes Mitigation Project, Banner Elk, NC, September 2005. ~. j ,, R.~y y '"'~ ~ .~.Y, ~~~ .M Vii. ~`"K ~ .. ~~~. . r r~ r. # ~ . s. Stream B looking at downstream end of project, BannerLowes Mitigation Project, Banner Elk, NC, September 2005. 37 ~4 ~. Elk River looking downstream from bridge crossing, BannerLowes Mitigation Project, Banner Elk, NC, May 2006. ~. #,,_ Elk River looking upstream at first structure, BannerLowes Mitigation Project, Banner Elk, NC, May 20Q5. 38 - ~F- - r.~ x ~~- ~ "~iY(y ~ ~ Y ~ +~ a '' , 'F'^'~ ~~ t F i ~ti r j t, ! `«r ~~~444 ti ~ f ~T~~d ,ty ~ 1R ,~~~~ ~r . xA' w ~ t~r^- u Elk River looking upstream at second structure, BannerLowes Mitigation Project, Banner Elk, NC, May 2005. ~.'~ .~ ,~~~ •` wr ~M ~ ~~' ~. ~ ~. ~ d v "~ ~ r "a~ i I k Elk River looking upstream at second and third structure, BannerLowes Mitigation Project, Banner Elk, NC, May 2005. 39 ~: .. ~ ~ .,. "5a° °-s1r.-rte., ~. .w' Upper Created Wetland and Elk River buffer, BannerLowes Mitigation Project, Banner Elk, NC, June 2006. _. .. --,,. - _ _ .. .,~ i ~ ~ ~, t ~ ° t~* ~ `~ ~ , ~ •^. ;~ ~' Y ~ ~ ~ a~~ , ~ : Upper Created Wetland and Stormwater BMP, BannerLowes Mitigation Project, Banner Elk, NC, June 2006. 40 ,, , ~~~w ~ .., ,:;.~ .. ,<. .. - r~~. .~ $ ~ "was`' ~'~-"` "' ' ~ ~ , aa+ ~" ~"`°` ,~ art ..' +£, a. . +.r.µ ~ f~~~ ~~ ~ ~~~ ~~ ~ ~. :.~~' -a - -' ... Lower Created Wetland, BannerLowes Mitigation Project, Banner Elk, NC, June 2006. .~a. "` Lower Created Wetland outlet to Elk River, BannerLowes Mitigation Project, Banner Elk, NC, May 2006. 41 1 1 1 1 Appendix C Longitudinal Survey Graphs 2005-2006 Photographs October 2006 Pebble Count Graphs October 2006 42 1 BannerLowe Site Profile Chart -Year 1 -Reach Elk River 3708 3706 °~- ~ as-Bu~it ~~¢'~`~d - ~-- Thalweg (Year 1) ~_ --~ Top of Bank 3704 water Suface ~_ - - c 3702 ` O ~ E ~ i as 3700 W k 3698 3696 3694 1669 1719 1769 1819 1869 1919 1969 2019 2069 Station (ft) 43 BannerLowe Site Profile Chart -Year 1 -Reach UTA 3750 _._ _ _ _ __ ___ _ _ _ _. _ _ _ __ ___ _ __ 3745 ---As-Built 3740 ~"~'~'~,` _ --~-- Thalweg (Year 1) --~ -Water Surtace `~-~ Top of Bank 3735 ~~ c ;° 3730 w 3725 3720 -- 3715 3710 1152.4 1252.4 1352.4 1452.4 1552.4 1652.4 Station (ft) 44 BannerLowe Site Profile Chart -Year 1 -Reach UTB 3760 _.__...__. __. ____ ______~____ __.__._.__..__ .__.-_--_..___. __ _____._ .._..___ ___.._. x ~~-,. ~A - uilt sB 3750 -~-- Thatweg (Year 1) -~- Top of Bank 3740 Water Surface -..~ .-. `may ~ ~~~ °3730 a~ W 3720 3710 _,`~--, 3700 1029.93 1229.93 1429.93 1629.93 1829.93 2029.93 Station (ft) 45 : , .~s,; .F ~ , ~. % ~` '~ ~ ' r ~+... 4~ ~f . w.. c~v a.; AF '- ~ p- ~ ~ ~ ' ~. ~y ~ 'M ~. ~ ( 1 ' 4~~ ~ c. JHook 1 UTA 020 UTA 022 JHook 2 UTA021 UTA 023 46 UTA 024 UTA PP 1 UTA PP4 UTA 025 UTA PP2 UTA PPS a~ UTB 030 ~6 ;; { k i~ ~ ~, ,r , .' ,~ ~y .;+ ~~f., ~~k{.. -W iRR, ~~.. ; j ~ J a- ~ b M ~ 3 ~ k i '^4 - UTB 034 UTB 041 UTB 033 ~~, ~_ 'sue ' a~.~~"-ora. i ~k ~ f. k~ e..~:,a~k'q~ v ;~ ~ = d `:~: ~' ~ ' . f ~i ~: . % . ~ .a n? UTB 037 UTB PP1 48 a t '~ 4 F ~E ~ ~ as ~ ~ t. ~ j 1 ~1 ~ .: ~v ~'44,... ~R y. . ' .~ v ,. ~ w ~ x" a ~ ~ }a ~ i ~ ,i. ~ ,f ~.Y ms s` ~~~~ +4 `~P ~Y~~- •~` ~ -._ . ppr,~ ~ ~ ~r< Al ~'°A4.. i, '+a '.A 'lk l.~p . .+f "~F ~{ r' . ~y. } pew, ~ _ i ~~~r Fr ~' V ` A ,• ~' ~ ~ K `~ ~~ f LA ~~ ~ X ~' ~ ' ~ ~ ~". 151 1 ' ~ -,1}F ..~$ L ~~`p X ~ ~F'^;~' I `Jx r UTB PP2 UTB PP4 UTB PP6 UTB PP3 UTB PPS UTB PP7 49 UTB PP8 UTB PP10 UTB PP9 UTB PP11 i XVANE 1 so Sediment Distribution by Feature Banner Elk Lower -Year 1 monitoring -Elk River 100.00 90.00 80.00 70.00 60.00 c ~ 50.00 d a 40.00 30.00 20.00 10.00 0.00 0.01 51 0.1 1 10 100 1000 10000 Particle Size -Finer Than (mm) Sediment Distribution by Feature Banner EIk Loaves -Year 1 monitoring - UTA 100.00 90.00 80.00 70.00 60.00 c u 50.00 `m a 40.00 30.00 20.00 10.00 0.00 0.01 Sediment Distribution by Feature Banner Elk Loaves -Year 1 monitoring - UTB 100.00 90.00 80.00 70.00 60. DO c ~ 50.00 m a 40.00 30.00 20.00 10.00 0.00 0.01 52 0.1 1 10 10D 1000 10000 Particle Size -Finer Than (mm) 0.1 1 10 100 1000 10000 Particle Size -Finer Than (mm) 1 1 1 1 1 Appendix D Vegetation Monitoring Plot Tables 2006-2007 Vegetation Monitoring Plot Photographs 2006-2007 Cross Section Photographs 2006-2007 Groundwater, Stream Level and Crest Gauge Graphs 2006-2007 53 Stem Counts for each s ecies arra ed b lot BannerLowe Stream Restoration Site Stream A Plots i S i S S i Lower U r pec es yl pec es Y2 pec es Totals Totals 1224 S ft. 1224 s ft TREES Prunus serolina lack Che 1 1 1 1 Betula lento Che Birch 2 2 2 2 cer rubrum ed Ma le 0 0 etula alle haniensis ellow Birch 0 1 3 3 4 4 etula ni a fiver Birch 0 0 raxinus enns Ivanica reen Ash 0 0 Ulmus mericana merican Elm 0 0 melanchier arborea Serviceber 0 0 Cornus lorida o ood 0 0 Ca in us carolinia usclewood 0 0 Salix ni ra lack Willow 1 0 1 lac i ow Live Stakes 19 25 25 25 umamelis vir iniana itch Hazel 0 0 SHRUBS lnus serrulata a Alder 0 0 eucothoe ontanesiana ighland Doghobble 0 0 Corpus ammomum Sil Do ood 1 11 11 11 Salix sericea Sil Willow 0 0 h socar us o uli olius ineBark 1 1 1 1 Clethra acuminata Sweet P rbush 0 0 Plot Y2 Totals Non-volunteer 3 24 P1otY2 Total Stem Count 4 4 0 0 41 40 0 1 Year 3 Count Success Criteria 10 10 Year 5 Count Success Criteria. 8 8 Y2; Year 2 Total; Y: Planted; KY: replanted; V:VOlunteer 54 Stem Counts for each s cies arra ed b lot BannerLowe Stream Restoration Site Stream B Plots i S i Lower U er Species Y1 Spec es Y2 pec es T t l T t l 1250 S ft. 1250 s ft a o s o s a TREES Prunus serotina lack Cher 1 1 1 1 1 2 3 Betula lenta he Birch 0 2 3 3 11 5 16 cer rubrum ed Nfa le 1 1 12 1 13 Betula alle haniensis ellow Birch 0 0 Betula s 3 3 3 3 3 6 9 Betula ni ra fiver Birch 0 0 Fraxinus Penn luznica reen Ash 0 0 Ulmus ericana mericanElm 0 0 elanchier arborea Serviceben 0 0 Comus lorida o ood 1 1 1 1 Ca inus carolinia usclewood 0 0 Salix ni a lack Willow 0 0 lack Willow Live Stakes 1 1 1 1 amamelis vir iniana itch Hazel 0 0 SHRUBS nus serrulata a Alder 3 3 1 1 4 4 Leucothoe ntanesiana ighland Doghobble 0 0 Comus ammomum it Do ood 4 12 12 12 Salix sericea Sil Willow 23 24 24 24 Ph socar s o li olius fine Bark 0 0 lderbe 1 1 2 1 3 Clethra acuminata Sweet P rbush 0 0 P lot Y2 Totals Non-volunteer 35 11 Plot YZ Total Stem Count 46 46 0 0 40 11 0 29 Year 3 Count Success Criteria 10 10 Year 5 Count Success Criteria 8 8 Y2: Yeaz 2 Total; P: Planted; RP: Replanted; V:Volunteer Birch sp.- unable to ID at this young stage 55 Stem Counts for each s Gies arran edby lot BannerLowe Stream Restoration Site Restored Wetland #1 Plots S i S i S i Lower U r pec es Y1 pec es Y2 pec es T l t T t l 1250 S ft. 1250 ft o a s a s o TREES Prunus seroiina lack Che 0 0 Betula lenta he Birch 0 0 cer rubrum ed Ma le 0 0 Betula alle haniensis e1lowBirch 0 0 Betula ni a fiver Birch 0 0 Fraxinus Penns lvanica Green Ash 0 0 Ulmus mericana merican IIm 0 0 elanchier arborea Serviceber 0 0 Cornus Florida o ood 0 0 Ca in us carolinia usclewood 0 0 Salix ni a lack Willow 0 0 c i ow five Stakes 1 1 1 Hamamelis vir iniana itch Hazel 3 3 3 3 SHRUBS lnus serrulata a Alder 0 0 Leucothoe ontanesiana ighland Doghobble 0 0 Cornus ammomum Sil Do ood 0 0 Salix sericea Sil Willow 4 3 5 3 5 12 Ph ocar us o uli olius ineBark 0 0 Clethra acuminata Sweet P Ybush 0 0 Plot Y2 Totals Non volunteer 0 Plot Y2 Total Stem Count 4 0 0 4 12 9 0 3 Year 3 Count Success Criteria 10 10 Year 5 Count Success Criteria 8 8 Yl: Year Z'1'otal; Y: Planted; RY: 1Zeplanted; V:Volunteer 56 Stem Counts for each s ecies arran ed b lot BannerLowe Stream Restoration Site Elk River and Restored Wetland #2 Plots S ecies Lower U ~' Species yl Species Y2 p T l 'T l 1250 S ft. 1250 s ft ota s ota s TREES Prunes serotina lack Che 0 0 Betula lento he Birch 0 0 cer rubrum ed Ma le 3 1 0 4 Betula alle haniensis Ye1lowBirch 0 0 Betula ni a fiver Birch 0 0 Fraxinus enns lvanica teen Ash 0 0 Ulm us mericana merican Elm 0 0 elanchier arborea Serviceber 0 0 Cornus Florida o ood 0 0 Ca fines carolinia usclewood 0 0 Salix ni a lack Willow 3 0 3 lack Willow Live Stakes 1 1 6 8 9 9 Hamamelis vir iniana itch Hazel 0 0 SHRUBS Ines serrulata Ta Alder 0 Leucothoe ontanesiana ighland Doghobble 0 0 Cornus ammomum Sil Do ood 4 8 8 8 Salix sericea Sil Willow 3 5 6 10 20 17 25 48 Ph socar us o uli olius ineBark 1 1 1 1 Clethra acuminata Sweet P rbush 0 0 Plot Y2 Totals N on-volunteer 5 Plot Y2 Total Stem Count 16 7 0 9 57 36 0 21 Year 3 Count Success Criteria 10 10 Year 5 Count Success Criteria 8 8 Yl: Year 1 iotat; r: riantea; KY: xeptantect; v:volunteer 57 Stream A Lower Vegetative and Herbaceous Monitoring plot, BannerLowes Mitigation Project, Banner Elk, NC, July 2006. ., RW ~~7 ~~ y. y Stream A Lower Vegetative and Herbaceous Monitoring plot, BannerLowes Mitigation Project, Banner Elk, NC, August 2007 58 -. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ r ~ ~ ~ ~ ~ ~ Stream A Upper Vegetative, Live stake and Herbaceous Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, July 2006. s a :~~ ~+ ~fi'. R ~. -.. Stream A Upper Vegetative, Live stake and Herbaceous Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, August 2007. ss ,: i'Yi... Stream B Lower Vegetative, Herbaceous and Live Stake Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, June 2006. w ~. Yt~ P ~ 2 ~~jqj,~ ,3{ a, x1 r d';p ~ ,t}1 ~.a:p .n(' t ~ "y ~i~ ^f ~a ' Y ti! Y 4 ~~.~ f,^ Yi Stream B Lower Vegetative, Herbaceous and Live Stake Monitoring Plot, BannerLowes Mitigation Project, Banner Elk; NC, September 2007. 60 ~ ® ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ r ~ ~ ~ ~~ ~ ""4. 1 Stream B Upper Vegetative and Herbaceous Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, June 2006. s~ *~ n. ~ 3n ~ .r at Stream B Upper Vegetative and Herbaceous Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, September 2007. ~,;. u, Restored Wetland #1 Upper Vegetative and Herbaceous Monitoring Plot, Looking north, BannerLowes Mitigation Project, Banner Elk, NC, July 2006. ~xy'. ~ ~':r~#~; ~ ~~~,~ . ~: a~~ r ~' ~'xa~~~r~`: ~~ +, ~ a ^~ ~ s ' ~' Restored Wetland #1 Upper Vegetative and Herbaceous Monitoring Plot, Looking south, BannerLowes Mitigation Project, Banner Elk, NC, August 2007. s2 ~. _~; ~ _~ + _ .->~.~ ~~t ~ f ~_ 1 - 4 {$: $ ~`- 2. Upper Created Wetland Lower Vegetative and Herbaceous Monitoring Plot, Looking north, BannerLowes Mitigation Project, Banner Elk, NC, July 2006. Upper Created Wetland Lower Vegetative and Herbaceous Monitoring Plot; Looking south, BannerLowes Mitigation Project, Banner Elk, NC, August 2007. 63 ~. ~~ yw~ ~... F« ~, r - s, „~ ~ ~ k .. ~~ ~'» :, ..;,~~ ~~ °= ~; ~:, s ~° a ., ,t _ Elk River and Lower Created Wetland Upper Vegetative, Herbaceous and Live Stake Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, June 2007. 64 Elk River and Lower Created Wetland Upper Vegetative, Herbaceous and Live Stake Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, July 2006. ~,r .:_ ,W'' fi - ~ 1 'ii reb'K yy °z o ~k} I ' .. P A ~ '~~~ ~ ~~ r r ~, ~ y ~~% `~ ` ~ .~: 4 Lower Created Wetland Lower Vegetative and Herbaceous Monitoring Plot, BannerLowes Mitigation Project, Banner Elk, NC, August 2007. 65 r ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~~ ;. ~,,y~,~, . .~ ~ ~, I„ s ~ .~ .:sr'w* '„-'_._ , as '~`ir.a, ,~ ~ +~ ~ ~ ~. ~~ ~F '~'.,~.. Upper Created Wetland Monitoring Gage locations; rain gage lower left, t~vo groundwater gages within wetland and one crest gage on river berm, BannerLowes Mitigation Project, Banner Elk, NC, December 2006. ,.- ~~. ~~ roF .iy„~~ ~ + s.~ ~; " ~ s-x„ Upper Created Wetland Monitoring Gage locations; rain gage lower left, two groundwater gages within wetland and one crest gage on river berm, BannerLowes Mitigation Project, Banner Elk, NC, June 2007. 66 ' w2~ W YLYSaM4' r ~~ N _ y f 4pr r'. t f } d Sr:. R: .-: - ~ ~i „+. - ,~ - ~ gTp , A~ ~ .. 'fix"„~~l~'d~ ~~ Lower Created Wetland Monitoring Gage locations, two groundwater gages within wetland, BannerLowes Mitigation Project, Banner Elk, NC, October 2006, N l.~^WJktl, y~"' ~~ ~~~, ~. i~3 ; Lower Created Wetland Monitoring Gage locations. two groundwater gages within wetland, BannerLo~~-es Mitigation Project, Banner Elk, NC, June 2007. 67 ~~: .~., 'x.4' ~~; ~, Stream A, Cross Section Station 1438; left bank, BannerLowe, October 2006. a ~, # 1 ~ Stream A, Cross Section Station 1438; left bank, BannerLowe, October 2007. c. f S`d ...I. ~ ~. ~' ~ .~ '~ ~ ~ ~fi ~''~ 3 Stream A, Cross Section Station 1438; right bank, BannerLowe, October 2007. 68 Stream A, Cross Section Station 1438; right bank, BannerLowe, October 2006. ~s '.r P '1Yt . •. r ~ ~ '}I~~ it`~2 .- '~ Y r+y{.'~ s; ~ .. c Y "-A'' ~ ib':i N ~rt v4y '" .ate y ~,51 Stream A, Cross Section Station 1599; left bank, BannerLowe, October 2006. Stream A, Cross Section Station 1599; right bank, BannerLowe, October 2006. ,~ ; ~ ~ ~ ~.: ~ ~~ «. §- /a ~ 1 a~ d ?'~' ,fit); < { ,„~: Stream A, Cross Section Station 1599; left bank, BannerLowe, October 2007. ~"' < ~°'~ ~ ~ , ~ ~.. ~~ ~ ~ - .. '' ~ "~~ Fra w v~ ~ ~ ~ ~ t ~ 2 x ~: ~~ ` d i6 ~ ' ~~ ~ .,Arty R ~ 4 ~~ Y ~ ~ 7 Stream A, Cross Section Station 1599; right bank, BannerLowe, October 2007. ss ,~ ~'n " ,:«. ~, . Stream B, Cross Section Station 1634; left bank, BannerLowe, October 2006. ~ :~~~~v~...~s..-.•~~,- ~ a.~. . . ~x ~' ~ ~ ;.~ '~ ;, i ~, ~ ~ ~ ~ off. ::t ~~ ~~ ~ ~ x. a ~ ~~_ , ' +, ~. ~ ~k. ~ ~ _ ~ r ~ ~ yy ~ ~' rh, ~a~ ' ~ ;~" ~,, ~ ~ , `a !9s ~~.. ., Stream B, Cross Section Station 1634; left bank, BannerLowe, October 2007. ~ ~ ~~ ~q '~~, ~~~~ ~~ ,t: ~r ,~•~~ ~ afita ,. ,.~: «„ ~,, s ~ ~ ~ d~ ~ ~l~ ~~~ . ~P >' :3 ,_ .. ^±~ . _ ~ .~ ~~a Stream B, Cross Section Station 1634; right bank, BannerLowe, October 2007. ~o iiiA: ;4:~.`ele'i4i8f(id`4i14\.~••SRwi .7,il~ Stream B, Cross Section Station 1634; right bank, BannerLowe, October 2006. s t ~~i. ~, d ?.. as / ,chi .. r // ~ ~ .. ~t ~r Y 1 *.... Stream B, Cross Section Station 1918; left bank, BannerLowe, October 2006. N 7 ~; w.. T }}r~}~ ? ... ~: t ~j d e w Y ~ ~ ~i: ~ f ~~ ~ 5 ~ Stream B, Cross Section Station 1918; left bank, BannerLowe, October 2007. q', ,i ~,d p~ { ! ~~ ~ ~ +}}+ ~1r WMw' i ~ N.P ~ ~ v ~^.gd8'd 4 ~ ~ jai Ix , p +~ ~ ~ C t - k 4 t~. 4N ` , , ~ ~E a ~'~d. r . ;~ J~ :k ~ ~ y t ~ w ~ '"~" '~iJv ~~ ~~ ~ ~~~ ~ ~1d{L ~ ~y a T ~. , ~~~~ti , 1 . ~~ .~} ~. o.. yy. MS~ <. . AstY.. Y< ,. A ~ Stream B, Cross Section n 1918; Statio right bank, BannerLowe, October 2007. 71 Stream B, Cross Section Station 1918; right bank, BannerLowe, October 2006. ~:: . ~ ~ Y~Y ., L.>., s s'Afr '+~tlr t 4, _ i ~_ _ ~"-xo ,._ ~ .. ~ ., ,. ... .... '' ,wT ~. ~ -- ~ a.4 + . ~ _ ~` ~~ si a ,,...ter ,s ~'.~ $'~' o,_ +~ - ~- ~ ~ ~" _; *a # t ~.: ~ ~_ ~~~~ ~ r F~: ..- ~. ':i> _ elf ati~ ~ ~ N T ... ,! { L1 Tlf ~ 1 ~. t Elk River, Cross Section Station 1805; left bank, BannerLowe, October 2006. ~..: Elk River, Cross Section Station 1805; right bank, BannerLowe, October 2006. ~ } ` is ~,~ t',. ~' ~ '~ k~;~. ; Elk River, Cross Section Station 1805; left bank, BannerLowe, October 2007. _.> .. , ' -~ ~ ~' r ~ .Y ~~s~ `~~ ~z ~ E ~:~ A -i,A .*~y~ ~ _.i IA•_ ~'~ a~ '~' "f1t~W y~ { i i3 yy :."h, . tea. q j Elk River, Cross Section Station 1805; right bank, BannerLowe, October 2007. 72 Elk River, Cross Section Station 1886; left bank, BannerLowe, October 2006. ,:. x-~.X - s -r ,. ~ ~~ r .'~~~~ ~ ' L1 1 ';~~~ 'tPas'€ r. ' b 1T 3~ ~'_E d ff ~ ~ • J ~v. ,may„ n ~a~ ~ ~ 4 FS ~ ~ ~~? 1A R ~ 7 $~ ~~++~y~ , ~ Elk River, Cross Section Station 1886; left bank, BannerLowe, October 2007. ~, , + x x. S: ~ ~ „r4 t., ~ - ,~ -.. ~~~' ~F . r~,~ . ~ ~. _ _ --';aft Elk River, Cross Section Station 1886; right bank, BannerLowe, October 2007. 73 Elk River, Cross Section Station 1886; right bank, BannerLowe, October 2006. ~T :i~._. .. d:. - .... A N 20-Jul-2006 OS-Aug-2006 21-Aug-2006 06-Sep-2006 22-Sep-2006 08-Oct-2006 24-Oct-2006 09-Nov-2006 26-Nov-2006 12-Dec-2006 28-Dec-2006 13-Jan-2007 29-Jan-2007 14-Feb-2007 O1-Mar-2007 17-Mar-2007 02-Apr-2007 d 18-Apr-2007 f D 04-May-2007 20-May-2007 OS-Jun-2007 21-Jun-2007 08-Jul-2007 24-Jul-2007 09-Aug-2007 25-Aug-2007 10-Sep-2007 26-Sep-2007 12-Oct-2007 28-Oct-2007 13-Nov-2007 29-Nov-2007 15-Dec-2007 31-Dec-2007 16-Jan-2008 ~-. as O c D a r. ~s L°_ ~o c ... 0 Elevation (inches) ~. ' N O v~ O in O v vt in 20-Jul-2006 OS-Aug-2006 21-Aug-2006 06-Sep-2006 22-Sep-2006 08-Oct-2006 24-Oct-2006 09-Nov-2006 25-Nov-2006 11-Dec-2006 27-Dec-2006 12-Jan-2007 28-Jan-2007 13-Feb-2007 O1-Maz-2007 17-Maz-2007 02-Apr-2007 d 18-Apr-2007 r. fD 04-May-2007 20-May-2007 OS-Jun-2007 21-Jun-2007 07-Jul-2007 23-Jul-2007 08-Aug-2007 24-Aug-2007 09-Sep-2007 25-Sep-2007 11-Oct-2007 27-Oct-2007 12-Nov-2007 28-Nov-2007 14-Dec-2007 30-Dec-2007 15-Jan-2008 G~ N aq ~s 0 a o. ~s c x+ o~ y Elevation (inches) A W N .-~ O .-. N W A to V N 26-Jul-200b 11-Aug-2006 27-Aug-2006 11-Sep-2006 27-Sep-2006 13-Oct-2006 29-Oct-2006 13-Nov-2006 29-Nov-2006 15-Dec-2006 31-Dec-2006 15-Jan-2007 31-Jan-2007 16-Feb-2007 04-Mar-2007 19-Mar-2007 04-Apr-2007 b 20-Apr-2007 R `D 06-May-2007 21-May-2007 06-Jun-2007 22-Jun-2007 08-Jul-2007 23-Jul-2007 08-Aug-2007 24-Aug-2007 09-Sep-2007 24-Sep-2007 0-Oct-2007 26-Oct-2007 11-Nov-2007 26-Nov-2007 12-Dec-2007 28-Dec-2007 13-Jan-2008 G7 w vo R O ~. i~ e ~. 0 Elevation (inch) O to C v~ O to V V w 0 20-Jul-2006 OS-Aug-2006 21-Aug-2006 06-Sep-2006 22-Sep-2006 08-Oct-2006 24Oct-2006 09-Nov-2006 25-Nov-2006 11-Dec-2006 27-Dec-2006 12-Jan-2007 28-Jan-2007 13-Feb-2007 Ol -Mar-2007 17-Mar-2007 02-Apr-2007 b 18-Apr-2007 `D 04-May-2007 20-May-2007 OS-Jun-2007 21-Jun-2007 07-Jul-2007 23-Jul-2007 08-Aug-2007 24Aug-2007 09-Sep-2007 25-Sep-2007 11-Oct-2007 27-Oct-2007 12-Nov-2007 28-Nov-2007 14-Dec-2007 30-Dec-2007 15-Jan-2008 C~ ~s 0 cs e~ K A c m 0 y Elevation (inches) tNi, O in O in O Elk River Stream Gauge August 2007-January 2008 35 30 25 y 6~ 0 20 d 6> 8 15 a d 2s 10 5 0 ti°°~ti°°~ti°°~ti°°~ ti°°~ti°°~ ti°°~ti°°~tid'^ ti~^ ti°°^ ti°°^ti~'^ ti°°^ ti°°^ ti°°^ ti°°^ ti~'^ ti~'^ ti°°^ ti°°^ ti°°^ ti°°1 ti~'^ ti°°^ ti~^ ti°°^ ti°°^ ti°°^ ti°°^ti°°~ti~'~ ~°,4~° ~%~~~ °1 °~ ~°~~Z'°o,~A~ ~ ~~.~~~.~~1;~ ~q~~~~;~`~ .Q'~~g, o~;~'~ ~~ro ~°~~~,~°;~~~toS~~4~~~~,°~ 5~~ 5~~ po ;~°1~~°o~A~ A o ~~~~'~4 Date 78 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ . r ~ s ~ Elk River Crest Gage readings 0 -2 -4 -6 w d -g a~i -1~ 3 -12 -14 -16 -18 ao ao ~ ~ ~ ~ ^ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ^ ~ ^ oo~ ry~ ry~ ry° ry° rya' ry~ ry°°° ry~ ry~ ry~ ry° ry°° ry~ ry~ ry° ryas' ry° ry° ry~ ry~ ry° ry° ry° ry°° rya' ry° ry°`~ ry° ry° ry°° rya' rya' ry ry ry '~~%~~~S~~A~'L^5~~~°'S~~op~0~~:~~G°ti~~~~.~°'yq~~4tiy~C 'L~4 ~~':~ry~~~°°'Q'~~Q'o^;S~'rory~;Sf`ro~~ptS~g~~o~'SJ1tiC'~~a1n~ct~~,~n~Q',~^Qa~~5~pty243~+,yn,~+~~o,~~,~yoO~~e~~^~~~~~~'~D`.~~ Date 79 Precipitation Gage data 2 1.8 1.6 1.4 h 7 1.2 Q 'a d 0.8 w w 0.6 0.4 0.2 0 0°~0 oo~O oob cA~O cP~° o°° cP~O o°° ~ o°b cP^ cP^ ~^ oo^ o°^ o°^ oo^ o°^ oo^ oo^ o°^ d,^ o°^ cP^ o°^ o°^ o°^ o°^ ooh ~^ ~^ ~^ ~~ °o~ ti ti ti ti ti ti ti ti ti ti ti ;~ ti ti ;v ;v ;v ;v ti ti ti ti ti ti ti ti ti ;v ;~ ti ti ti ti ti ~^ ~~ 4~ ~c~e,'L S~~ ~'1~ o~~^,"',~,oo^~~ ~~~~a ~~ o t~ ~t~p ~i'~~ ~i~ ~~~~~'1+~'1~~'~~'L~1o ~~ ~~~°~~ ~~~o~Oti O ~o'~h~'L°'~oti~~~~~~ ~'1'~~~4 Date 80