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HomeMy WebLinkAbout20040241 Ver 2_Year 3 Monitoring Report_20111228� . : , ,.. <, = : . : ,, �; :: - �-. , - �' ..:,. , : ClearWater Environmental Consultants Inc www cwenv com December 21 2011 Ms Liz Hair US Army Corps of Engmeers Asheville Regulatory Field Office 151 Patton Avenue Room 208 Asheville North Carolma 28801 2638 D i � Mr Ian McMillan ��� 2 � NC Division of Water Qualrty 20�y 2321 Crabtree Blvd Suite 250 ���Wq� Raleigh North Carolma 27604 S�DRMIVq��� RE The Old W�dlife Club Year 3 Momtoruig Report � McDowell County, North Carohna Corps Action ID 2008-01107-359, DWQ Pro�ect # 04-0241 Ms Hau� and Mr Mc1Vl�llan The attached Year 3 morutonng report is being submitted on behalf of The Old Wildlife Club represented by Mr Andy Fenell The Old Wiidlife Club is currently developmg a residential subdivision in McDowell County North Carolma and has completed the requ�re remediation work at the srte Yearly momtoruig has shown the establishment of successful vegetation and stream stabilrty It is the opuuon of CEC that Crescent Resources Inc has successfully met the condrtions of their permrt and no further action or momtonng is reqi,ured Should you have any questions regardmg the attached information please do not hesitate to contact me at 828 698 9800 Respectfully R Clement Riddle P W S Pruicipal 224 South Grove Street Suite F Hendersonville NC 28792 - 828 698 9800 Tel -- - — - — - - --- --- - - - --- -� - -- --- - 828 698 9003 Fax J Year 31Vlonitorin� lZeport for Culvert Removal Work Performed at Old ��ldl�fe �lub December 20g 1 Prepared By CLea� �er ��-�=-�.��� y C1earWater Environmental Consultants Inc 224 South Grove Street, Suite F Hendersonville North Carolma 28792 Table of Contents 10 20 30 40 Introduction Pro�ect Background 2 1 Pro�ect Location 2 2 Pro�ect Goals and ob�ectives 2 3 Restoration Approach 2 4 Pro�ect History and Background Monrtoring 3 1 Vegetation Momtonng 3 2 Stream Momtormg Conclus�ons and Recommendahons 4 1 Vegetation Morutonng 4 2 Stream Morutonng 4 3 Recommendations List of Tables Table 1 Table 2 Table 3 List of Figures Figure 1 Figure 2 1 1 1 1 2 3 4 4 4 6 6 6 6 Pro�ect History and Schedule Pro�ect Contacts Tree and Shrub Species Composition (Year 3) Site Location Map USGS Topograpluc Map Appendices Appendix A Morphological Data and Reference Photos u 1 0 INTRODUCTION Crescent Resources Inc received a US Army Corps of Engmeers (USACE) Nationwide Permrt No 13 (Action ID SAW 2008 0110'7 359) on Apnl 10 2008 and a NC Division of Water Quality (NCDWQ) (Pro�ect No 04 0241) 401 Water Quality Certification on Apnl 14 2008 authonzmg the removal of 35 feet of culvert wrth subsequent bank stabilization This report summarizes the tlurd and final year of stream and buffer momtonng 2 0 PROJECT BACKGROUND The Old Wildlife Club removed one culvert on srte and restored the stream bed and bank within the culvert removal area The removal/stabilization activrty daylighted approximately 35 lmear feet of stream Restoration of the culvert srte involved the removal of the culvert structure and ad�acent road embankments and excavation of a new channel that connects the upstream and downstream reaches The culvert and road embankments were removed and the new banks seeded matted and planted with native vegetation The cross sectional area and slope for the new channel section were matched to the area and slope of stable ad�acent sections One step pool structure was utilized to establish grade control and protect new banks 21 Pro�ect Location The pro�ect srte is on an unnamed tnbutary of Lake James approximately 1 mile north of Nebo in McDowell County North Carolma and is located m the Catawba River Basm the NCDVVQ sub basm 03 08 30 and the US Geological Survey (USGS) hydrologic umt code 03050101 The latrtude and longrtude for the pro�ect area is 35 7384102°N and 81 9302687°W From Asheville take Interstate 40 east towards Statesville Take Exit 90 towards Nebo and turn nght onto Harmony Grove Road Turn left onto US Highway 70 Turn nght onto NC Highway 126 Turn left onto Wildlife Road where the srte will be located on the nght A site locarion map and a USGS topographic map are attached as Figures 1 and 2 2 2 Pro�ect Goals and Ob�ectrves The ob�echves of the pro�ect were to 1 Remove an existmg culvert � 2 Re connect aquatic habitats 3 Establish native vegetation through a forested riparian buffer and 4 Improve the natural aesthetics of the stream corndor The culvert removal and stream restoration mvolved the followmg steps 1 Remove culvert and excavate new channel through road embankment wrth disposal of roadbed gravel (if any) outside the limrts of the restoration area 1 2 Construct grade control structures 3 Apply temporary seed and erosion control mattmg to the banks and 4 Plant native herbaceous and woody vegetation on the banks and at the top of both banks to establish a vegetative buffer 2 3 Restoration Approach De� The pro�ect approach involved some site specific design during construction The culvert and road embankment were to be removed a new channel section excavated mcluding the placement of a log toe and the new banks seeded matted and planted wrth native vegetation The cross sectional area for the new channel section was matched to the cross sectional area of an ad�acent section Slope was to be controlled wrth a step structure to establish grade control and protect new banks wrthin the culvert removal azeas Due to the small size of the stream channel and the existmg topography and vegetative conditions the most appropnate bank stabilization and plantmg methods were chosen Erosion control mattmg seedmg live stakmg and contamenzed tree and shrub plantmg were all designed for both rapid and long term bank stabilizat�on and vegetarion survival Implementation Construction of the new stream channel subsequent to culvert removal was performed m June 2008 Erosion control matting was placed to the top of bank Outside of the erosion control matting nparian trees and shrubs were planted on 10 to 12 foot centers m accordance with the NC Ecosystem Enhancement Program s Guidelmes for Ripanan Buffer Restoration Based on a pro�ect area of 0 OS acres and a target densrty of 320 trees per acre the required number of plantings for the srte is 16 trees and/or shrubs As built Survev Personnel from Clea.rwater Environmental Consultants Inc performed an as built survey of the restoration srte m July 2008 One cross section and a longrtudmal profile were measured usmg a Nikon total station Due to the small size of the restoration reach and upland buffers all planted trees and live stalces were counted Year 1 Morutonn� Personnel from C1earWater Environmental Consultants Inc performed Year 1 momtonng of the restoration site m October of 2009 One cross section and a longitudmal profile were measured usmg a laser level Due to the small size of the restoration reach and upland buffers all planted trees and live stakes were counted Year 2 Morutonn� Personnel from C1eazWater Environmental Consultants Inc performed Year 2 morutonng of the restoration site in July of 2010 One cross section and a longitudinal profile were measured usmg a laser level Due to the small size of the restoration reach and upland buffers all planted trees and live stakes were counted 2 Year 3 Morutonn� Personnel from ClearWater Environmental Consultants Inc performed Year 3 momtonng of the restoration site in September of 2011 One cross section and a longitudinal profile were measured usmg a laser level Due to the small size of the restoration reach and upland buffers all planted trees and live stakes were counted 2 4 Pro�ect Hastory and Background USACE 404i Construction As Built Mo� Year 1 Monr Year 2 Monr Year 3 Monr Table 1 Pro�� NQ 401 approval g and Report Submittal and Report Submittal and Report Subm�ttal and Report Submittal and Schedule Planned or Actual Date Apri12008 June 2008 July 2008 October/December 2009 July/October 2010 September/November 2011 Table 2 Pro ect Contacts Land Design Inc 1 Page Ave Ste 220 Designer Asheville NC 28801 (828) 281 1447 Attn Ste hame Pankiewicz C1earWater Env�ronmental Consultants Inc 718 Oakland St Construction Overs�ght Hendersonville NC 28791 (828) 698 9800 Attn Clement Riddle Hunter Construction 118 Tunber Rd Construction Contractor Mooresville NC 28115 (828) 799 7570 Attn Trac Pressle Appalachian Naturescapes 2395 Henderson Mills Rd Plantmg Contractor Morganton NC 28655 (828) 438 8243 Attn Terrel Knutson ClearWater Env�ronmental Consultants Inc 224 South Grove Street Surte F Mon�tormg Hendersonv�lle NC 28792 (828) 698 9800 Attn Clement R�ddle 3 3 0 MONITORING Environmental components momtored in this pro�ect are those that allow an evaluation of channel stabihty and riparian survivabilrty Specifically, the success of channel modification seedmg and woody vegetation plantmgs have been evaluated for a total of three years 31 Vegetataon Monatorang Survival of planted vegetation was evaluated usmg survival counts and all rooted vegetation was flagged and evalua.ted to determme survival The complete planted buffer was assessed due to the small areas planted Success is defined as a densrty of 320 trees/acre or greater tree shrub densrty due to the establishment of native volunteer species Based on a pro�ect area of 0 OS acres and a target densrty of 320 trees per acre the required number of plantings for the site is 16 trees and/or shrubs Table 3 contams information regardmg the species composition of trees and shrubs at the srte Table 3 Tree and Shrub S ecies Com osition Year 3 Total Stems (Planted or Sc�ent�fic Name Common Name Volunteer S ec►es Com os�tion Acer ne ndo boxelder 1 1 3% Amelanch�er canadensis Canadian servicebe 3 4% Calkcar a americana Amer�can beau be 2 2 6% Car inus caroliniana American hornbeam 3 4% Cercrs canadensrs eastern redbud 1 1 3% Chionanthus vir inicus wh�te frm etree 2 2 6% Kalmra lati olra mountam laurel 1 1 3% Leucothoe axrllarrs coastal doghobble 2 2 6% Leucothoe ontanesiana hi hland do obble 12 16% Lir�odendron tuli afera tuli tree 5 6 6% Li uidambar s ract ua sweet um 11 14 6% Rhododendron s rhododendron 1 1 3% Rhus labra Smooth sumac 5 6 6% Sambucus canadensu black elderbe 16 21 3% Vacciraum co mbosum h�ghbush bluebe 8 10 6% Viburnum dentatum southern arrowood 2 2 6% TOTAL 75 100% �`�`A total ot 11 live stakes were also counted at the srte Seventy five trees counted in the plot yields approximately 1 500 trees per acre The srte meets and exceeds the success criteria 3 2 Stream Monatoring Cross sectaons One permanent cross section was established The cross section was marked on both banks wrth permanent pins to establish the exact transect location The 4 annual cross section survey mcludes points measured at breaks m slope and any identifiable features (bankfull inner berm etc ) Success Cntena There should be little or no change m the cross section when compared to the as built cross section If changes m the cross section occur they should be evaluated to determme if they represent a movement toward a more unstable condrtion (down cuttmg erosion) or are minor changes that represent an mcrease in stability (settlmg vegetative changes deposrtion along the banks decrease m width/depth ratio) Longatudanal Profiles A longrtudmal profile was established Profile measurements mclude thalweg water surface mner berm bankfull and top of low bank where they are identifiable Each of these points will be taken at the head of each feature e g riffle run pool and glide where possible and the max pool depth Water surface will be used to calculate slope for the pro�ect reach As built restoration reach slope 0 068 ft/ft Year 1 restoration reach slope 0 064 ft/ft Year 2 restoration reach slope 0 064 ft/ft Year 3 restoration reach slope 0 069 ft/ft Success Cntena The longrtudinal profile should show that the bedform features are remaining stable e g they are not aggrading or degradmg The pools should remain deep wrth flat water surface slopes and the steps/nffles should remam steeper and shallower Photo Reference Sates Photographs used to evaluate restored srtes were made with a digrtal camera There are 4 photo reference srtes showmg each bank and the stream channel Reference srtes have been photographed once per year for at least 3 years following construction Longatudanal reference photos The stream was photographed longitudmally at the upstream end of the restoration site lookmg downstream and at the downstream end of the srte lookmg upstream Lateral reference photos Photographs were taken of both banks at the cross section The water s edge or channel s edge will be located in the lower edge of the frame and as much of the bank as possible mcluded m each photo Success Cntena Photographs will be used to sub�ectively evaluate channel aggradation or degradation bank erosion success of npanan vegetation and effectiveness of erosion control measures Longitudinal photos should mdicate the absences of developmg bars v►nthm the channel or an excessive increase m channel depth Lateral photos should not mdicate excessive erosion or continuing degradation of the bank over time A series of photos over time should indicate successional maturation of nparian vegetahon Vegetative succession should mclude imtial herbaceous growth followed by mcreasmg �7 densrties of woody vegetation and then ultimately a mature overstory with herbaceous understory 4 0 CONCLUSIONS AND RECOMMENDATIONS Crescent Resources Inc received a USACE Nationwide Permrt No 13 and a NCDWQ Water Qualrty Certification in April 2008 authonzmg the removal of 35 feet of culvert wrth subsequent bank stabilization 41 Vegetataon Monatortng A total of 75 trees and shrubs compnsed of 16 species were counted at the pro�ect site Wrth a total buffer area of 0 OS acre this count yields a total of 1 500 stems per acre at the pro�ect srte All hve stakes from Year 2 have survrved to Year 3 Although live stake mortality was origmally lugh (from As built to Year 1) rt has not negatively affected the vegetative success of the area Herbaceous species are fillmg in where live stakes have failed and the stream banks appear to be stable Additional work at the site is not recommended at this time 4 2 Stream Monztorang The daylighted stream reach appeazs to stable m cross section and profile The rock vane appears to be functiorung Addrtional work at the site is not recommended at this time 4 3 Recommendations Yearly morutonng has shown the establishment of successful vegetation and stream stability It is the opiruon of CEC that Crescent Resources Inc has successfully met the condrtions of their permrt and no further achon or monrtonng is required � APPENDIX A Morphological Data. and Reference Photos Cross Section AA .� $ 89 � c ° 88 ea > d W $7 :. 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G � - r,0"- • , � � � f � i `�`'`-� . � 12 � $��� *� _ ��' � �° - =1 b �, ,�,� �y CK 4 � � �`° ��`� � �y,o � � ,� d �' � � _ � }f; � � �� � _, , MapGata �2008N�VTEb orTeleAdas C�earWater 224 South Grove Street, Suite F Hendersonville, NC 28792 Vicinity Map Figure 1