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HomeMy WebLinkAbout19970972 Ver 1_Mitigation Report_20060115T> Lo Q # ? q Q1 0°112 (-eCd N I'Ir?',DCO ANNUAL MONITORING REPORT (YEAR 4) ANSON COUNTY WASTE MANAGEMENT FACILITY STREAM AND WETLAND RESTORATION PROJECT ANSON COUNTY, NORTH CAROLINA Prepared for: Chambers Development of North Carolina, Inc Anson County, North Carolina Prepared by: EcoScience 1101 Haynes Street, Suite 101 Raleigh, North Carolina 27604 (919) 828-3433 January 2006 1 TABLE OF CONTENTS TABLE OF CONTENTS .................................................................................................... i ' LIST OF FIGURES ........................................................................................................... ii LIST OF TABLES ............................................................................................................. ii 1.0 INTRODUCTION .............................................................................................................. 1 1.1 Project Description ................................................................................................... 1 1.2 Project Chronology .................................................................................................. 4 2.0 STREAM MONITORING .................................................................................................. . 5 2.1 Monitoring Program .................... 2. 1.1 Physical Stream Attributes ......................................................................... 5 2.1.2 Biological Stream Attributes ....................................................................... 5 2.1.3 In-Stream Flow .......................................................................................... 5 2.2 MONITORING RESULTS .............................. ...............................:.......................... 6 2.2.1 Physical Stream Attributes ......................................................................... 6 2.2.2 Biological Stream Attributes .................................................... 2.2.3 In-Stream Flow .......................................................................................... 17 2.3 EVALUATION OF SUCCESS CRITERIA ................................................................. 17 3.0 WETLAND HYDROLOGY MONITORING ......................................................................... 20 3.1 MONITORING PROGRAM ..................................................... ......... 20 ........................ 3.2 MONITORING RESULTS ........................................................................................ 20 3.3 EVALUATION OF SUCCESS CRITERIA ................................................................. 23 4.0 WETLAND VEGETATION MONITORING ........................................................................ 24 4.1 MONITORING PROGRAM ...................................................................................... 24 4.2 MONITORING RESULTS ........................................................................................ 24 4.3 EVALUATION OF SUCCESS CRITERIA ................................................................. 26 5.0 SUMMARY .......................................................................................................................31 6.0 APPENDICES .................................................................................................................. 33 1 t LIST OF FIGURES Figure 1. Site Location ..........................................................................................................2 Figure 2. Plan View: Stream and Wetland Creation Area ......................................................3 Figure 3A. Plan View and Cross-sections (Middle Reach) ....................................... 10 ............ Figure 3B. Plan View and Cross-sections (Middle Reach) ................................................... 11 Figure 3C. Plan View and Cross-sections (Lower Reach) ................................................... 12 Figure 3D. Plan View and Cross-sections (Lower Reach) ................................................... Figure 3E. Cross-sections (Upper Reach) ........................................................................... 13 14 Figure 3F. Cross-sections (Upper Reach) ........................................................................... 15 t Figure 4. Bio-monitoring Sites ............................................................................................. Figure 5 Stream Hydrograph (Water Level and Velocit ) 16 . y .................................................... 18 Figure 6. Groundwater Gauge Locations and Wetland Boundary Determination ................. 21 Figure 7. Planting Plan and Vegetation Plots .......................................................................25 LIST OF TABLES Table 1. Morphological Stream Characteristics .....................................................................8 ' Table 2. Summary of Hydrology Monitoring Data ...............................................................22 Table 3. Characteristic Tree Species (Piedmont Alluvial Forest) .........................................28 Table 4. Characteristic Tree Species (Piedmont Swamp Forest, Planted Area) ..................29 Table 5. Characteristic Tree Species (Piedmont Swamp Forest, Non-planted Area) ...........30 1 1 1 1 1 r ii • Anson (;)?y W" 6VA? _ .? 930,r- S?7 U Gt1u& ° / 33 c:,G j vr1t,/ zJ ---9 OIL WL t /Oaj ff U 0 1 ANNUAL MONITORING REPORT (YEAR 3) ANSON COUNTY WASTE MANAGEMENT FACILITY STREAM AND WETLAND RESTORATION PROJECT ANSON COUNTY, NORTH CAROLINA 1.0 INTRODUCTION 1 1.1 Project Description Chambers Development of North Carolina, Inc. (Chambers) has developed and begun operations at the Anson Waste Management Facility located off US Route 74 between Polkton and Wadesboro, Anson County, North Carolina (Figure 1). The property selected for the waste management facility (hereafter referred to as "the Facility") consists of 1 approximately 793 acres bounded by Pinch Gut Creek to the east, Brown Creek to the north and west, and CSX Railroad to the south. The location of the waste disposal area (hereafter referred to as "the Disposal Area") encompasses approximately 133 acres within the Facility ' and is designed to accommodate future waste disposal needs for the county and surrounding region. Construction of the Disposal Area results in unavoidable impacts to 0.49 acre of jurisdictional wetlands and 1085 linear feet of perennial stream. A detailed mitigation plan was developed to off-set unavoidable impacts caused by construction of the Disposal Area. A forested stream and wetland complex (hereafter ' referred to as "the Site"), situated below Sediment Basin #1, was proposed to maximize treatment of surface water and groundwater runoff prior to the confluence with Pinch Gut Creek (Figure 2). Mitigation efforts were designed to re-construct a shallower, meandering stream channel on the abandoned floodplain and re-establish groundwater wetland hydroperiods across the adjacent floodplain surface. Plans were reviewed and accepted by- the United States Army Corps of Engineers (USACE) and the North Carolina Division of Water Quality (DWQ). The North Carolina Section 401 Water Quality Certification (No. 3247) was granted on September 27, 1999. The Section 404 Individual Permit (No. 199800592) ' was granted on April 3, 2000. Construction plans were developed from the detailed mitigation plan and used as a template to guide construction work. Restoration construction activities were initiated in early February 2001 and completed during April 2001. Water flow was diverted into the constructed channel on April 16, 2001. During construction several important changes were ' made with respect to the original design in order to facilitate the construction process and ultimately increase the Site's chances for success. Included with these changes was an increase in the Site's size from approximately 9.0 acres to approximately 23.6 acres, a ' significant increase in the length of constructed stream (from approximately 2040 linear feet to approximately 2800 linear feet), and a significant increase in potential acreage for wetland mitigation opportunities. A supplemental planting for logged wetland areas was completed in ' the Spring of 2002. Modifications to the mitigation plan were reviewed and approved by the USACE (Angie Pennock, January 2002). 1 ' f it ? ?,, ,- Hairi i t? • ewisvi 4 ll l 9 1 ? Ifa Colleg, p r N n e -_ 7 neyyyins o -Sal . e dte?i?I ?'1"' Farrmn l emmons '?? I -- Ada _ -7, a11Atlrt IS. 3 10 ml. 0 10 mi. 9 Ni oink 600 adia / 7:633, 9 dway S * - Source: 1999 NC Department of Transportation Map I 1 T J A tt ttt't * ? ? ?n atco o rn Cpl ' .F l 6 ?4v ..? ® f ` MocMSVille ? 6 few t 3 S* WS t t 9 i .41 5 I ) 3 % 1 t i yO t 1o eed 3 ` 1 1• . La ? n Coale j 1C MondTx 1 y 1 .-*? 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I It v ?r i ? - 4-Wingate '611102111141114 1 Pe•cfd and i 1 • 6 % I desllo ? ro -; : 1 nera w•ah•.' swings A i 10 I ... S f - 11 white Store 17 I l f , ? ?:? i t r Mor N IO UNA s 1 , S AO tIIA , 4 4 S 9 ?L a g Paso ane GotMn AshWr 1 A. / ( C A Moult Vernon I ' Coleridge i. •, ,. Lwio. ? 1 r (8enneti seatrove 1• Zhynot - - 1 t u 0- Carl Hill rn 1g 7 ? ?M,u 1 ackse r4 springs ineh MITIGATION ---- SITE Pin. Ville Egeree - F° R I CIN M 0 N Lake - 9 ?RoOetdN v hurston esviue ' < < vnac N Cer Own. by: EcoScience SITE LOCATION Ckd by: MAF FIGURE ' Corporation ANSON WASTE MANAGEMENT FACILITY JG YEAR 4 MONITORING REPORT Date: Raleigh, North Carolina ANSON COUNTY, NORTH CAROLINA JAN 2006 Project: 05-239 V --W Q O N U 0 c NW=Z (Az OCZ ?Z zacc z o U O Q z' W_ Q u i? m ca CL o 0Z WJ C UU C?z °U w aJZ-? ZaV s~ Z= qZ WWO C) Z All LU LL 0 Z U o W C Q U. 0 O z p, ? .. 2 WU o a Q? _ `n u p .1 m W PINCH GU T n77 loe O z J ? CL cr 0 - _ I i r ?F } d' / ? 1 Q 1 O? O C13 J ?? w \I is -Asp - ' - f Wz O \ x I 0 -j oa- . 1 ZO ~ \ \ / wU of 7 J gZ -z 0 (A slq Li r 00 00 So \ ! \ I \ \ _ V)Q m \ , _ _ es Ow \ \ / \J \\ O _ - 0 V) a o r j - \ `? - ? EJ ;-.p ? I = g Q5 i Q?r ?. • ?. _? r 0 0 LO N O H O z >- > 3 U O m W J J N w w W d w J W H Q V, N Q? Z O W J Z Z °' zda a? a a Z In LU 0 0 ?a Ow O w U W c? tO• F- -J Z ? o a o z N O w In 1 1 1 1 ' ? I ' r = = r m m = = m m m m r i The mitigation plan outlined monitoring procedures designed to track wetland and stream development after restoration activities were completed. The monitoring plan requires annual monitoring for a minimum 5-year period and analysis of the data to evaluate quantitative success criteria. The monitoring plan is attached for reference in Appendix A. This document represents the fourth Annual Monitoring Report (AMR) designed to track wetland and stream development as outlined in the monitoring plan. Hydrology, vegetation, and stream parameters have been monitored throughout the year 2005 growing season. Per the U.S. Army Corps of Engineers' (USACE) request, groundwater hydrology has been continuously monitored throughout the calendar year. Site data will be compared with hydrology model predictions, regulatory wetland criteria, and reference (relatively undisturbed) stream characteristics and vegetative communities in the region. 1.2 Project Chronology Review of On-Site Jurisdictional Areas February 17, 1998 (USACE) Perennial Stream Limit Determination February 4, 1999 Site Identification June 1998 Detailed Mitigation Plan June 1999 Sec. 401 Water Quality Certification Issued (DWQ) September 27, 1999 Monitoring Plan August 2000 Sec. 404 Wetland Permit Issued (USACE) April, 2000 Site Construction and Planting February - April 2001 Flow Diversion As-built Stream and Wetland Report April 16, 2001 September 2001 Post Project Review of Site January 2002 (USACE, Angie Pennock) Monitoring Wells and Stream Gauge Installed February 2002 Supplemental Planting in Cut-Over Areas March 2002 First Year Field Monitoring September and October 2002 Second Year Field Monitoring September and October 2003 Site Maintenance (Channel Plug Improvements) June -July 2004 Third Year Field Monitoring September and October 2004 Fourth Year Field Monitoring November and December 2005 1 1 1 2.0 STREAM MONITORING ' 2.1 Monitoring Program 2.1.1 Physical Stream Attributes The monitoring plan calls for measurement of stream geometry attributes along a minimum 300-foot reach. Annual fall monitoring protocol includes development of a channel plan view, channel cross-sections on riffles and pools, pebble counts, and a water surface profile. Specific stream data to be presented includes 1) riffle cross-sectional area, 2) bankfull width, 3) average depth, 4) maximum depth, 5) width/depth ratio, 6) meander wavelength, 7) belt width, 8) water surface slope, 9) sinuosity, and 10) stream substrate composition. The ' stream will subsequently be classified based on fluvial geomorphologic principles outlined in Applied River Morphology (D. Rosgen, Applied River Morphology, Wildland Hydrology, 1996). Significant changes in channel morphology will be tracked and reported by comparing data in each successive monitoring year. 2.1.2 Biological Stream Attributes The monitoring plan was devised to provide for biological sampling of the stream channel prior to diversion of flow and again after years 3 and 5. However, the DWQ has asked that biological sampling be performed annually. Therefore, an evaluation of bio-monitoring success criteria will appear in all succeeding AMRs. The procedures and methodologies for biological monitoring have been modified to follow the standards put forth by the Department of Environment and Natural Resources (DENR) January 1997 biological monitoring protocols and the DWQ draft guide for benthic sampling. The Qual-4 sampling method has been adapted from the May 2000 final draft of the Interim, Internal Technical Guide for Benthic Macroinvertebrate Monitoring Protocols for Compensatory Stream Restoration Projects from DWQ. The biological samples will provide a means to track taxonomic diversity over time. Specifically, the numbers of EPT (Ephemeroptera, Plecoptera, and Trichoptera) taxa will be monitored and evaluated. The EPT taxa are not generally considered primary stream colonizers and, therefore, are not typically found in newly established streams. All taxa will be identified to the lowest practical level. The number of EPT genera/species is expected to increase through the 5-year monitoring period. An evaluation of in-stream and riparian habitat will also be conducted at each monitoring location, following the DWQ habitat classification system. If biological success criteria are not being fulfilled, the most likely cause will be lack of perennial base flow and extensive sedimentation, which covers coarse substrates in the channel. If aquatic species diversity is not increasing, additional modifications to channel substrates may be performed and upstream sources of sedimentation shall be identified. 2.1.3 In-Stream Flow In-stream flows will be measured through placement of a continuous monitoring, stream flow gauge within the constructed channel cross-section or bankfull channel culvert. The gauge will be capable of recording stream stage (feet), velocity (feet/second), and discharge (cubic 5 feet per second, CFS). The data will be reported as peak daily flows for channel (feet/second), discharge (CFS), and stage in tabular and graphic format. ' 2.2 MONITORING RESULTS ' 2.2.1 Physical Stream Attributes After the fourth year of monitoring, the stream restoration effort includes approximately 2,800 linear feet of constructedstream on new location and approximately 1,240 linear feet of ' reactivated backwater c nel through the floodplain of Pinch Gut Creek. Six permanent cross-sections were established along the constructed stream channel in 2001, two in the upper reach, two in the middle reach, and two in the lower reach. Current cross-sectional data has been superimposed on the current year data to track aggradation or degradation in the channel. Stream channel morphological characteristics are provided in Table 1. Channel Dimension Attributes Channel dimension attributes were obtained from the surveyed cross-sections depicted in Figures 3A-3F. The constructed channel currently exhibits a bankfull mean width of 2.9 feet, a bankfull mean depth of 0.5 feet, and a mean bankfull width/depth ratio of 5.9. The mean bankfull cross-sectional area is 1.6 square feet and ranges from 1.1 to 1.9 square feet. Channel dimension attributes remain consistent with parameters established under as-built ' conditions. Channel Pattern, Slope, and Substrate ' The entire length of the constructed channel was walked and visually assessed for changes during the fourth year of development. Based on the qualitative analysis, the channel has ' supported stable pattern, slope, and substrate attributes since the first year of monitoring; therefore, quantitative measurements remain similar to those performed in year 2. 2.2.2 Biological Stream Attributes Current year benthic surveys were performed on October 20, 2005. On-site monitoring sites are shown in Figure 4. The reference stream (UT to Little Brown Creek) location is shown in Appendix B. Results of the current year monitoring data are depicted in Appendix B. Year 4 (2005) benthic data indicate substantial decreases in both the total number of taxa and total number of_o(gggisms collected re a ive to year 3 (2004). Only 54 total organisms representing 13 t, axa„were collected at Station 1 (upstream stafion), while 19 organisms from -gAaxa were collected at Station 2 (downstream station). In 2004, 120 organisms from 24 taxa were coil Station 1, while 134 organisms representing ?7- xq were collected at S_.Iation 2. No EPT (i.e., Ep emeroptera, Plecoptera, and Trichoptera) organisms were collected from ei er Station 1 or Station 2 in 2005. The considerable contrast between year 4 and year 3 benthic data is likely attributable to widespread drought conditions experienced in the current monitoring year, which limited the stream base flow require to support the populations of many benthic macroinvertebrate populations, including EPT taxa. 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U (N C O O 2 O _ Ul) N M N O O O O O O O O O O N Z 4 N N N 0 . .. ,. z 1- z z z z O ; O O O O LLJ C J Q Q Q Q 1 W 1 > 1 > W W W W W J J J J J J W J W W W W D W L. W W W W < Q z Q Q Q Q of Q Q D Of C7 m C? C7 C? C7 ? i 0 (0 Ln t M N 0) 0) 0) 0) 0) (•11) UO1jDAa13 W C7 0 °O rn V H~ Q Z O N N U O FLU ?w OCz FZ rc z - o F- 0 a 3-a CA z w a_z.J Z<u _?= Z Oy w ? z L, m =>po0C ?zua. 4O Za ULU /v za 2 0, aZ m w u U V a ?? m U w J W z >- z cr Q 0 U Z Q Z O m O m N O D w ? Q O m cr Z O (/1 U O Q w N Q N O z O w N Z W N w ? W `- uo O w Z z C-) ° ^ Z W Of Z = < N o O _ H 0 W 1 U 3 m O \ 1 ? A 7" 2Z ZOO LLit 00 MM - `S ? i f -'-? - I N _ w - W \ O N lJ c? ? O H _ \ QJ W C3% ZO I- Z 0:3 R O W 0? 1 1 r 1 1 ri As a part of the biological stream attribute assessment, a habitat field data sheet has been completed to describe the potential habitat and physical conditions of the stream. The habitat assessment measures characteristics associated with mature streams including bend angles, in-stream habitat features, substrate, bank stability measures, and vegetation parameters. The current year stream received a habitat assessment score of 91 out of a possible 100, an improvement over last year's score of 86. The assessment gave high scores for instream habitat, bank stability, light penetration (i.e. good shading), and riparian vegetation width. Medium scores were attributed to substrate type and pool variety. The pre-construction stream received a habitat assessment score of 61 out of a possible 100. The reference stream received a habitat assessment score of 97 out of a possible 100. Completed stream habitat assessment forms describing the physical habitat characteristics present in the channel prior to construction and reference site sampling will be used for comparison with subsequent sampling dates. 2.2.3 In-Stream Flow An ISCO brand, continually monitoring stream gauge is located at the lower end of the stream culvert located in the roadway in the western portion of the Site. Data recorded for this monitoring year include water levels and velocity from February 28, 2005 to December, 2005. The yearly hydrograph is shown in Figure 5. The graph is punctuated by numerous small and large rain events which occurred regularly through the monitoring period. Average daily discharge at the stream gauge location was calculated at 0,.93 cubic feet per second (cfs) and average hourly base flow (discarding peak flow periods) was estimated to be approximately 0.25 cfs. At or slightly above bankfull stage, stream velocities approach 1.5 to 2.5 feet/second, and often exceed 3-5 feet/second. Data also show that stream stage exceeded the riffle maximum bankfull depth of 0.8 feet on several occasions during the fourth monitoring year, indicating several bankfull events. 2.3 EVALUATION OF SUCCESS CRITERIA Success criteria for stream restoration has been subdivided into three primary components: 1) successful classification of the reach as a functioning stream system; 2) channel stability indicative of a stable stream system; 3) sufficient hydrology to support a perennial stream, and 4) development of biological communities over time. 1. For classification purposes, the stream supports an entrenchment ratio greater than 2.2 and a width/depth ratio less than 12. The channel exhibits high sinuosity (>1.5) and an average riffle slope between 0.004 and 0.006 (rise/run). The riffle substrate was observed to be dominated by gravel; however, due to constant land disturbance at the adjacent landfill site and the subsequent influx of finer sediment into the restored stream channel, present year monitoring data indicate a reach- wide median particle size (d50) of coarse sand. Stream geometry and substrate measurements under current conditions suggest a stable E4/5 stream type, as proposed in the mitigation plan. 17 i Cdr (puOOGS / IGGJ) 40019n Cfl U') co N IT- O _O W 06 7@ W J L CL O E L cn ui i LL ? U O J > LO N LO Tl- LO N r- O Jana SQ •? SQ/Q Q? SO/9 O? SQ i /O 'go SO :;?/ S ? Q/O SQ /,9 sQi S OC/S O sQi SO ?B S,O ?/cn SQ c O /O?/? 2. The as-built meander geometry and channel dimension relationships compare favorably with the emulated, stable E4 stream type set forth in the mitigation plan (Table 1). Based on pattern, dimension, profile, and substrate measurements ' depicted in Table 1 and Figure 3, current monitoring has demonstrated the stream geometry of the constructed stream has been relatively stable the past several years. 3. The stream flow data demonstrates both the perennial nature ?stream and that numerous bankfull events occurred without perceptible changes to the channel geometry. Perennial streams are generally recognized as those that flow throughout a majority of the year (i.e. greater than 90% of the time) and flow in a well-defined channel. However, perennial streams can still 'dry up', particularly during extended _ periods of drouhtL_as._.o err d in 2002. The hydrograph (Figure 5) illustrates the generally uninterrupted flow that occurred throughout the current year. The data also indicates multiple overbank events, a criterion necessary for determining the stability of a channel. Stream channels should remain stable through these periods over banking events. This has been the case through the current monitoring period. 4. Insight into the trend toward biological diversification is not yet possible due to the ' ; relatively short study period and highly variable climatic conditions that have occurred in the past few years. Drought conditions during the current monitoring year likely explain the relatively low diversity and number of organisms collected ' relative to 2004 data. _ I D r 1 19 3.0 WETLAND HYDROLOGY MONITORING 3.1 MONITORING PROGRAM Seven continuous recording (RDS brand), groundwater gauges were located in the eastern portion of the Site to provide representative coverage and flow gradients extending through the riverine floodplain. The monitoring gauges were installed in February 2002, a year following the completion of stream and wetland construction. Figure 6 depicts the approximate location of the monitoring gauges. Monitoring gauges were installed and downloaded in accordance with specifications in U.S. Army Corps of Engineers', Installing Monitoring Wells/Piezometers in Wetlands (WRP Technical Note HY-IA-3.1, August 1993). The monitoring gauges are set to a depth of approximately 48 inches below the soil surface. M The data extending from January 1, 2005 to December 31, 2005 have been used in this Year 4 AMR to cover the 2005 growing season. The growing season in Anson County is defined as the period between March 15 and November 19, or 249 days. Hydrological samples continue to be collected at twenty-four hour intervals. 3.2 MONITORING RESULTS The raw gauge data are depicted as hydrographs in Appendix C. A line intersection at 12 inches below the surface was used as the cut off for wetland hydrology, following the regulatory wetland criterion requiring saturation (free water) within one foot of the soil surface. Wetland hydrology criteria including maximum consecutive saturation days and percent of the growing season are summarized in Table 2. Five groundwater gauges were located within the wetland creation (W1, W2, W3, W4, and W5) and two gauges (W6, W7) were placed within an existing wetland area on the Pinch Gut floodplain adjacent to the slough to monitor hydrology in and around the restored slough. Success for wetland creation ' is based on the five gauges located within the creation area. In monitoring year 4, surface water depths within the wetland creation areas were at or above ground level through most of the growing season except for the typical late summer and autumn draw down period. Gauges located in the Pinch Gut Creek floodplain displayed the typical pattern of flooding during the early spring, followed by a late summer and autumn draw down period, punctuated by peaks associated with precipitation events. The maximum consecutive days of saturation ranged from 121 to 191 days (49 to 77 percent of the growing season) within the wetland creation area (groundwater gauges W1-W5), exhibiting a narrower range than in the previous monitoring year's data (98 to 249 consecutive days/39 to 100 percent of the growing season). 71 20 W (' N Z 0 ° N U O Q ?LLJ aW? ?Z Z? IW-?Z?O z o 0 21 m Z w a W 2J Z a Q L z or ?W?'= a u 0 VWOM Cl) Ll. 40 Z0 oOC?ZmW r r? a ?' 1 a Z F O?Q Q U N --------------- `/ Z G U U v -2 a J W Z } Z O Q Q Q r T U Z U p Z Q p m O w Q N Z O w Z U D O F- Q m W F N O Q u) Q U U U 0? W N ? v U Of ?? z C) o a ?. W Q ~ °zr Q o z ?zz U UJ Z J F- ... O O r J U1 f- 0 U W ?i co w C1 v1 W N I N ? V b WN W O O Fn r? N Ln in m m m r r r = m m = m m m r 1 1 1 1 1 1 1 1 1 1 1 i 1 i N _ (4 - a L a O am ? L c O O E N A O i Q1 O"aCl) 'Q - _ A O` ^^?,, W •? 2 LL O ftf r E E m CD cn C N cn O cn _ Q C 0 C 0 C o C O C O m m i a) (o a) '- c6 a? io E cvcu cvcu cim -r- cu -- cu O E -o'c E -0 70 E N c a'0 E c -0'0 E c ? v5 y m in c6 c- 4 n ( y c- u U d c 6 in - C6 0 (6 U O c6 V O N 6 V O N 67 V O N (6 V O 0 3 0 0 3?a 0 0 3(?0 0 3 cu0 0 3 ro o of 1!1 y O 4- o 0 c N O r- o I- f- ti f` ?t O '' nn L V a1 w O w CY) O O C N c O O o° r co co to o c0 M ' v CL d y ON O t 3 C ,r- o o - co .- co Ln (o co L V CD m -c o N 0 r o ?. 3 y 0 0 rn M rn M rn M rn Cl) rn M L V m CL > C In _Oo (D N X y 7 N LO co r (0 co r 0 co N 0(n0 > C cY E :,_, o 0 O V R N X y 7 0) v N ?n coo co M f6 c - R ?o r > C M ?T. 00 E y i N X y 7 O CN N O N co CD 0) 0) co c R t6 ? o > C N 0 0 3 O E N X y O H co rn CO rn co m (O m (o rn m c > (n ? U :3 M j > Cl) > j Z a? c6 c O zO U a) ? z co LO C _(n 0) a? m 0) N vOj O L O E U 0 O c6 (n 7 ? L L ?C G E O L.L Q) c6 a) C v O Y U (D c ? w U cu cu cu -:5 cu '0 3 N N U E O ^ 0 llco 0-0 O E (6 w a) :6 -t co O c6 0 co z CU O M c 3 -o o C U _m O ? N ? O) c6 n3 C L O y C N 3 O C ?O (° -a 0 c6 U C c C: o O Q c6 U) v=- o a or- c ` -a . 3 E 0 Z c P- 0 (n Q O ._ m 'O O w (C6 E (C9 O O a) '0 a N 0) ?c o? m Z3 E r c6° Co O N ? 3.3 EVALUATION OF SUCCESS CRITERIA Hydrological success criteria require saturation or inundation between 5 and 12.5 percent of the growing season during average climatic conditions. These areas are also expected to support hydrophytic vegetation. The groundwater data indicate that all gauge locations and corresponding physiographic areas achieved hydrological success criteria for 2005. Wetland creation areas exhibit wetland hydrology for at least 49 percent of the growing season. Figure 6 depicts wetland boundaries mapped using gauge data and corresponding hydrophytic vegetation signatures. Based on the mapping, approximately 1.7 acres of created wetlands reside within the 22.6-acre site. 1 1 1 1 1 r G 23 4.0 WETLAND VEGETATION MONITORING 4.1 MONITORING PROGRAM Quantitative vegetation sampling for the fourth year monitoring was carried out in October and November 2005. Four permanent sampling plots were established in October 2002, during the first year of monitoring, including three 600-foot transects within planted areas (plots 1, 2, and 3) and one 300-foot transect within the non-planted area (plot 4). The vegetation plots were established in a manner which best represented the entire site. The plot width along each transect extends 4 feet on each side of the tape, providing a 0.11 acre plot sample for the 600-foot transects (600 feet x 8 feet/43560 feet/acre) and a 0.055 acre plot sample for the 300-foot transect (300 feet x 8 feet/43560 feet/acre). The intermediate and end points of each plot were permanently established with a labeled, green metal fence post that was spray painted bright orange. All woody species rooted within the plot boundaries were recorded. The four plots were separated into three categories based on community classifications presented by Schafale and Weakley (1990) and the planting status. The three categories include 1) Piedmont Alluvial Forest (plots 1 and 2: planted); 2) Piedmont Swamp Forest (plot 3: planted); and 3) Piedmont Swamp Forest (plot 4: not planted). The data was then used to obtain the total number and the relative percentage of each woody species per acre. The percentage of 1 each species per acre in addition to the corresponding wetland status will be used to evaluate the success criteria (see Section 5.3). Vegetation sampling from plots 1 and 2 will be used to determine planting success of riparian areas associated with stream restoration. ' Wetland creation success criteria will be based on vegetation sampled in plots 3 and 4. Figure 7 depicts the approximate location of each vegetation sample plot and the planting plan. Complete species inventories can be found in Appendix D. A photographic record of vegetation plots are provided in Appendix E. 4.2 MONITORING RESULTS M The vegetative communities within the mitigation area include Piedmont Alluvial Forest, Piedmont Swamp Forest (forested and logged), and Dry-Mesic Oak-Hickory Forest. The majority of the acreage within the mitigation area with the exception of the logged area has a well developed canopy and a shrub/tree layer (>1 inch DBH) composed of volunteer species that vary in abundance according to the landscape position and micro-topographical differences. A diversity of planted species (15 species) has survived within the planted portions of the mitigation area. The Piedmont Alluvial Forest is dominated by mature loblolly pine (Pinus taeda), red maple (Acer rubrum), sweet-gum (Liquidambar styraciflua), winged elm (Ulmus alata), and Chinese privet (Ligustrum sinense). Other prominent understory and sapling species include silky dogwood (Corpus amomum), water oak (Quercus nigra), willow oak (Quercus phellos), and green ash (Fraxinus pennsylvanica). Herbacous vegetation within this area is currently dominated by microstegium (Microstegium vimineum) and poison ivy (Toxicodendron radicans). 1 1 24 v O o U J z o '^ WU +I ll? rn N } a Ul' o ~ z O ? } m a 0 0 z cn Z z a } x O W o J Q V 0 z o p 0 m w 3 O z z F- r, Lu LLJ 0 D o °a m wcD m t- p Cr z } Z z O U} O p h O U U p OOf a c s a 0 a Q w -1 z ? w O o ? d C7 F- ::) 3m d a > > r r j I O ¦ I r, L W M C C O Z aNi +I +I +I +I +I +I r- cq U? ° 00 00 UQ M O O cn O Z O Z Q O > ~ W Q W > N x c- 0: N cn W a Li LJ 0 >- Of 0 ? Q w a z 0- L m ° O Q z J -j 2 L) Q = N > N Z Q > a < Q N o O a H W W > J 0 W F- O Q D d Fn U W F ?, z W Q E 0 o a z a 0 w w z a J x Of } w w O a s N o a V) o > LL, ?7 F- w w '.1 J of OZ = Z CC LU ~ W Cl) ?Z QW CD QZ < r Z F- :i z ZzO °cV Z O :- N 0 ° W2 m0.0Q 3 W W O } 0 00z Q w V) r Q z ? o o o N ? W ?OZ J z?C3 E- z zW w Z =>LL? O oz? o o = ? gguj o U W V a Z ? Q z ?; , c m Q m a V U d _ U w I -44, ?I 4 -44 -14 . -4 4 -? 4 -14.._44 -$f 14 -44 -j f 44 -44 c,Q X114 -44 JI4 -}•f >yf X14 1444 :. _ l!71 ?1 X71 w ?1 M 'II - ?., - 0 0 N O H W W W Z w p U O N 4 4? 4 4# 914 -44 -4 r LU ? ? ? W r ? r ? r Z D ??' © ?t?` ? • Nom: ? ? : Wm ? ¦r m m m? m m m m m! m m m m m m r 1 The area of mature Piedmont Swamp Forest, which was not planted, is dominated by red maple, green ash, and Chinese privet. In addition, this area is composed of species including willow oak, ironwood, winged elm, water oak, black willow (Salix nigra), and possum-haw (Viburnum nudum). Herbaceous vegetation is sparse within this area. A portion of the Piedmont Swamp Forest has been clear-cut and is vegetated by a combination of planted and volunteer species. The dominant species within this logged area include red maple, sweet-gum, Chinese privet, loblolly pine, green ash, cherrybark oak (Quercus pagoda), and blackberry. Additional species include willow oak, water oak, and ironwood. This area also contains numerous herbaceous species including cattail (Typha latifolia), false nettle (Boehmeria cylindrica), sedges (Carex spp.), rushes (Juncus spp.), flatsedges (Cyperus spp.), wool grass (Scirpus cyperinus), broad-leaf arrowhead (Sagittaria latifolia), and water-plantain (Alisma subcordatum). The planting plan was modified slightly to accommodate changes in as-built stream and wetland creation areas. A logged portion of the Site was included in a supplemental planting in March 2002. Of the 24-acre mitigation site, a total of 5.2 acres within the Piedmont Alluvial Forest and the Piedmont Swamp Forest was planted at 435 stems/acre. An additional 0.8 acres of stream-side assemblage area was planted at a density of 680 stems/acre. A total of 32 woody species, both planted and volunteer were surveyed. The top 8 species for the fourth year of monitoring include Chinese privet, red maple, winged elm, sweet-gum, loblolly pine, water oak, willow oak, and silky dogwood. The total stocking level averaged across the Site is 5421 stems/acre. Chinese privet, red maple, and green ash account for approximately 55 percent of the total number of stems surveyed. During the fourth year of monitoring, establishment of planted seedlings on moist sites appeared to be good. Many species within the entire mitigation area have increased their ' total number of stems per acre after an initial decline. The average total number of stems per acre has increased since the third year of project monitoring. Additionally, native species richness has increased in each of the four vegetative monitoring plots, including the appearance of black walnut (Juglans nigra), pawpaw (Asimina triloba), and yaupon holly (Ilex vomitoria). The total number of Chinese privet stems decreased in plots 1, 2, and 3, though it slightly increased in plot 4. 4.3 EVALUATION OF SUCCESS CRITERIA Success in the restoration of wetland vegetation includes the establishment and maintenance of a species composition sufficient for a jurisdictional wetland determination. Additional success criteria include a minimum mean density of 290 characteristic tree species/acre surviving at least four years after the initial planting. At least five characteristic tree species must be present, and no species can comprise more than 20 percent (58 stems) of the 290 stem/acre total. Softwood species (ex: loblolly pine, black willow) cannot comprise more than 10 percent (29 stems) of the 290 stem/acre requirement. Tables 3-5 depict the number of trees/acre by species that can be applied to the 290 trees/acre criterion for each of the three categories, 1) Piedmont Alluvial Forest, planted; 2) Piedmont Swamp Forest, 1 planted; and 3) Piedmont Swamp Forest, not planted. The number of characteristic wetland species identified totals 7, 8, and 7, respectively for the three categories, exceeding the five species diversity minimum stated in the monitoring plan. At 452 trees/acre and 26 t 348 trees/acre, respectively, plots 3 (Piedmont Swamp Forest, planted) and 4 (Piedmont Swamp Forest, not planted) both exceed the required 290 trees/acre vegetation monitoring criterion after the fourth year of project monitoring. At 278 trees/acre, plots 1 and 2 (Piedmont Alluvial Forest) are 12 trees short of the required 290 trees/acre for the fourth monitoring year. However, EcoScience believes that drought conditions during the present monitoring year likely caused early leaf litterfall, which made identifying smaller saplings more difficult than in past years of project monitoring. Thus, many individuals counted in previous years may not have been included in the past monitoring year. Furthermore, as they were not considered characteristic species for the Piedmont Alluvial Forest community when the Site restoration plan was developed, willow oak and water oak, which are favorable, mast-producing wetland species, have not been grouped into the success criteria, although their inclusion would cause plots 1 and 2 to well-exceed the 290 trees/acre criterion. EcoScience believes that, during ordinary site conditions, plots 1 and 2 will exceed the 260 trees/acre required after the fifth year of project monitoring. Thus, no remedial action is recommended. 1 L t 1 1 27 r L? L 1 I 1 1 1 1 2 Q O ? ? U (n - ? ? = Q A ++'' Eu- >a. U L C? 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E N (D o a) c6 a = U o T 1 1 1 1 1 1 1 i 1 1 1 1 1 1 1 1 0 M /\ G L a? ? y d mC?a ? ,,^^ cn m o (D Z Y / W V .Q () (n 0 o ?'++ C O H N O LL L? ?V v?ELi > C/) U L w E O r- CD v- O E a ? d r C C a L ? d r , N ?ns m 3 ?0 V1 - f4 V d d Q > V LO O N W U) w U') w U') 00 LO 00 LO O co LD ° M CD mW ?U HQ0 d f0 M `) C y V in C) CO M Cl) M ti O O O 1 O ~ M I- d Q N O O - M 1- CL O 7 % N d a1 Q j V L O O CO to LO d• (D "t co V' M O M O 00 - U) M i N W V N 0 ~ a L Q. 0 O y V ]4 'Ct M Lo Lo o O ) (o Cl) O M T CN F- N Q C14 r O (V N N c °iU a)° co O N E w ° .C ,U O C O a v a) (n0? U •° rn O O O N a) o3?a0i O_? Q O (6 O O O L o O ? -- a) (a O -? ?o_? Q) w LUE. °E•- E U > L 0) >° E N _ co a) a) U w rn O ° N o aL N E O O cn O o co •? N ` Q ? -W •? E E C Co 7 a) a) 'L C E 7 a) v E (n 0) X (0 ?cQ (U0- UUEa) O- N ? U (n -r- U a) = C a) (n U i O n O a) •i -o (n a -° O U 3 O U O 0- = CU CU 'C U (°n U O a) L a) -V) U-_C E°^U Z L U) a) i? C n U a) - a) E a) 'a) aa) c Q 7E O vi ) U 'X O E E cu CID N E (o in (n 0 ° E E ° 7 a) Q) (n L L U Y > CN L E (D O a) LL = ? O N 5.0 SUMMARY The Year 4 AMR (2005) data indicate that the Anson Waste Management Facility Stream and Wetland Mitigation Site achieved regulatory success criteria for stream geometry, wetland hydrology, and vegetation for the fourth year of monitoring. Functional attributes exhibited include long term surface water storage, energy dissipation, retention of nutrients and particulates, and establishment of characteristic stream and wetland plant and wildlife populations. The created wetland areas appear to support hydroperiods and successional I patterns conducive to establishment of wetland forested habitat. The results also indicate that current Site conditions meet or exceed the mitigation ' requirements for both stream length and wetland acreage, as projected by the mitigation plan. The mitigation project initially required compensatory mitigation for impacts to 1,085 linear feet of stream channel (stream area of 0.07 acre) and 0.49 acre of wetlands. The detailed mitigation plan outlined strategies designed to compensate for these stream and wetland impacts included stream reconstruction and restoration along approximately 2,040 linear feet and 0.98 acre of net wetland creation. Th t t t d e curren cons ruc e channel geometry and substrate compare favorably with the emulated, stable E stream type established on reference (i.e., relatively undisturbed) stream ' reaches and as set forth in the mitigation plan. Current monitoring year pebble count data indicate that the median particle size (d50) of channel substrate falls within the coarse sand size class, which contrasts with the medium gravel demonstrated by previous year's data. This is likely attributable to the continuing land disturbance activities at the adjacent landfill site and the resulting influx of finer sediments into the restored stream channel, which in this monitoring year have overlain the characteristic gravely channel bottom in some reaches ' . The current monitoring has demonstrated that the pattern, dimension, and profile of approximately 2,800 linear feet of Priority 1, E4 stream restoration have remained stable over the course of the fourth year. The groundwater gauge data for the created wetland area indicate that hydrology success 1 criteria have been achieved. Currently, approximately 1.7 acres of succeeding forested wetland habitat occur on the Site This re resents th 0 7 . p more an . acre of net vegetated wetland restoration gain over the original amount of compensation set forth in the mitigation plan. Additionally, approximately 0.8 acre of open water backwater slough has been restored to historic hydrologic conditions and approximately 5.8 acres of wetlands have been enhanced/preserved within remaining portions of the Site. i The current vegetation surveys reflect conditions typical of mid-successional forest development on disturbed floodplain and side slopes in the Piedmont. Early- to mid- successional forest tree species adapted to these conditions include black willow, sweet- gum, red maple, and green ash. Improving soil properties, increased shading, and more mesic conditions will favor mast producing elements such as oak and hickory to become ' established in sufficient quantity to develop into a characteristic floodplain bottomland hardwood assemblage. The variable hydrologic regime found across the Site will promote diverse wetland community patterns across the site and will consequently enhance 31 1 1 1 1 1 t 1 1 1 1 1 1 1 1 1 opportunities for wetland dependent wildlife. Vegetative data also indicate that the wetland creation areas support species typical of bottomland hardwood communities at densities generally sufficient to meet jurisdictional standards. 32 1 r 6.0 APPENDICES Appendix A: Monitoring Plan Appendix B: Biological Monitoring Data Appendix C: Groundwater Gauge Hydrographs Appendix D: Vegetation Plot Data Appendix E: Photographic Record of Vegetation Plots r t 1 11 1 33 APPENDIX A Monitoring Plan (Excerpt from the Monitoring Plan, August 2000) ' 2.0 MONITORING PLAN The Monitoring Plan consists of a comparison between reference and restoration areas along with evaluation of jurisdictional wetland criteria (DOA 1987). Wetland monitoring will entail analysis of hydrology and vegetation development. Stream monitoring will include assessment of channel stability and biological attributes. Monitoring of restoration efforts will ' be performed for 5 years or until success criteria are fulfilled. 2.1 Wetland Hydrology After hydrological modifications are performed, continuous monitored, surficial monitoring wells will be installed in accordance with specifications in U.S. Army Corps of Engineers' (USACE), Installing Monitoring Wells/Piezometers in Wetlands (WRP Technical Note HY-IA- ' 3.1, August 1993). Monitoring wells will be set to a depth of approximately 48 inches below the soil surface. All screened portions of the well will be buried in a sand screen, filter fabric, and a bentonite cap to prevent siltation. The recording device will be placed above the projected depth of inundation from overbank flooding (based upon elevations that do not exhibit evidence of recent wrack or silt lines). The wells will be stabilized by reinforcing steel bar (re-bar). Seven monitoring wells will be installed in restoration areas to provide representative ' coverage within each of the physiographic landscape units depicted in Figure 3. Hydrological sampling will be performed by the automatic sampling device on a daily basis throughout the year. Well data will be downloaded from the device on an average, 2 month interval. 2.2 Hydrology Success Criteria ' Hydrology success criteria comprises saturation (free water) within 1 foot of the soil surface for a minimum of 5% to 12.5% of the growing season, under normal climatic conditions. This hydroperiod translates to saturation for a minimum, 13-day to 28-day consecutive period during the growing season, extending from March 28 through November 3 (USDA, unpublished). ' 2.3 Wetland Vegetation Monitoring procedures for vegetation are designed in accordance with EPA guidelines presented in Mitigation Site Type (MIST) documentation (EPA 1990). The following presents a general discussion of the monitoring program. Vegetation will receive cursory, visual evaluation during periodic download of monitoring ' wells to ascertain the general conditions and degree of overtopping of planted elements by weeds. Subsequently, quantitative sampling of vegetation will be performed once annually during the fall for 5 years or until vegetation success criteria are achieved. ' Permanent, randomly placed plots will be established at representative locations in the wetland restoration areas. Each plot will consist of circular or transect plots, dependent upon site conditions encountered within each wetland restoration area. Circular plots will typically extend for a 37.2-foot radius, encompassing a 0.1 acre land area. For transect plots, two G 1 300-foot transects will extend from a central origin. The plot width along the transect will extend 4-feet on each side of the tape, providing a 0.11 acre plot sample at the location. Four plots will be established to provide a 25 percent sample and a depiction of tree species available for expansion within wetland restoration areas of the Site. In each plot, tree species and number of stems will be recorded and seedling/sapling/tree height measured. Tree data from all plots will be combined into one database to calculate an average density, by species, represented in restoration areas of the Site. In each plot, presence/absence of shrub and herbaceous species will be recorded. A ' wetland data form (DOA 1987) will be completed to document the classification and description of vegetation, soil, and hydrology. 2.4 Vegetation Success Criteria Success criteria include the verification, per the wetland data form, that each plot supports a species composition sufficient for a jurisdictional determination. Additional success criteria are dependent upon density and growth of "Character Tree Species". Character Tree Species are identified through visual inventory of an approved reference (relatively undisturbed) wetland community used to orient the restoration project design. All canopy tree species identified in the reference wetland will be utilized to define "Character Tree Species" as termed in the success criteria. An average density of 320 stems per acre of Character Tree Species must be surviving in the first three monitoring years. Subsequently, 290 character tree species per acre must be surviving in year 4 and 260 character tree species per acre in year 5. Planted character tree species (oaks, cypress, and tupelo gum, etc.) must represent a minimum of 30 percent of the required stem per acre total (96 stems/acre). Each naturally recruited character species may represent up to 10 percent of the required stem per acre total. In essence, 7 naturally recruited character species may represent a maximum of 70 percent of the required stem/acre total. Additional stems of naturally recruited species above the 10 to 70 percent thresholds are discarded from the statistical analysis. The remaining 30 percent is reserved for planted character species (oaks, cypress, tupelo gum, etc.) as a seed source for species maintenance during mid-successional phases of forest development. If vegetation success criteria are not achieved based on average density calculations from combined plots over the entire restoration area, supplemental planting will be performed with tree species approved by regulatory agencies. Supplemental planting will be performed as needed until achievement of vegetation success criteria. No quantitative sampling requirements are proposed for herb and shrub assemblages. Development of a forest canopy over several decades and restoration of wetland hydrology will dictate success in migration and establishment of desired wetland understory and groundcover populations. 2.5 Stream Stabilitv A selected stream reach, extending for a minimum of 300 feet along the constructed channel, will be monitored for physical geometry and in-stream flow. Physical Geometry Annual fall monitoring will include development of a channel plan view, channel cross- sections on riffles and pools, and pebble counts. Data to be generated will include: 1) cross- sectional area; 2) bankfull width; 3) average depth; 4) maximum depth; 5) width/depth ratio; 6) meander wavelength; 7) belt width; 8) sinuosity; and 9) stream substrate composition. The stream will subsequently be classified according to stream geometry and substrate (Rosgen 1996). Significant changes in channel morphology will be tracked and reported by comparing data in each successive monitoring year. In-Stream Flow In-stream flows will be measured through placement of a continuous monitoring, stream flow gauge within the constructed channel cross-section or bankfull channel culvert. The gauge will be capable of recording stream stage (ft), velocity (ft/second), and discharge (cubic feet per second, CFS). The data will be reported as peak daily flows for channel velocity (ft/second), discharge (CFS), and stage in tabular and graphic format. As designed, the gauge will not record flow data associated with overbank flows that are distributed across the restored floodplain surface. 2.6 Stream Stability Success Criteria Success criteria for stream restoration will include: 1) successful classification of the reach as a stable stream type (Rosgen 1996) and 2) channel geometry changes indicative of a stable stream system. The channel configuration will be compared on an annual basis to track changes in channel geometry, profile, and substrate. These measurements will be utilized to assist in determining the success in restoring stream channel stability. Specifically, the channel will be successfully classified as an E stream type including a bank/height ratio less than 1.1, an entrenchment ratio greater than 5, and a bankfull width/depth ratio less than 12. The field indicator of bankfull will be described in each monitoring year and indicated on representative channel cross-sections. The bankfull channel may also be predicted from stream gauge data and compared to bankfull indicators starting in the third year of monitoring. Modifications to the channel will be performed to increase or decrease the sediment transport capacity, reduce sediment loading from the upper watershed, or adjust other attributes as needed. If the stream channel is widening due to bank erosion, additional bank or slope stabilization methods will be employed. 1 2.7 Stream Biology The in-stream, biological monitoring program will follow procedures established in DWQ's, Interim Internal Technical Guide: Benthic Macro-invertebrate Monitoring Protocols for ?J ' Compensatory Stream Restoration Projects (DWQ 2000). Benthic macro-invertebrate samples will be collected using the Qual-4 collection method. This procedure is preferred for 1S` and 2nd order streams with catchments of less than 1 square mile in the Sand Hill region. ' All biological samples will be collected during the summer months (June-September). Monitoring locations will be permanently marked and will extend for approximately 300 linear feet along the designated reach. Collection and taxonomic analysis of benthic macro- invertebrates will be performed by a certified DWQ company/laboratory. Collected animals will be identified to the lowest taxonomic level possible. ' During each sample event described below Stream Habitat Assessment Forms will be prepared that describe physical habitat characteristics that were present in the channel (DWQ 2000). Collection procedures and processed biological samples will be available for review by DWQ biologists, including annual reports summarizing the data in the fall of each year. The monitoring program includes: 1) a statement of biological objectives for stream ' restoration; 2) reference reach (target) sampling; 3) impacted stream reach (base-line) sampling; and 4) restoration reach sampling. Biological Obiectives of Restoration The goals and objectives of stream restoration are to convert a linear dredged channel into a moderate to highly sinuous stream. The existing, dredged channel is entrenched with floodplain benches consisting of eroded banks along the incised channel. As a result, stream restoration is expected to provide the following biological benefits: ' 1) Increase-the -abundance of pool habitat; including deep water and bank overhang shelters. 2) Increase tha abundan_ ce of riffle habitat (higher velocity flow over coarser ' substrate). - 3) Provide connectivity to aquatic organisms between the restored floodplain habitat and in-stream habitat during more frequent overbank floods. 4) Increase the diversity of stream substrates by transitioning flows from riffles to pools within each meander wavelength. 5) Reducing bank erosion and substrate homogenization (fining of the stream substrate) relative to existing conditions. The stream bed is expected to chan e from a silt dominated substrate to a coarse sanddominated_substrate 6) over time. Increase the abundance of coarse wow debris in the channel. 7) Increase potential for colonization and expansion of benthic macro- invertebrate feeding guilds for intolerant grders (Ephemeroptera, Plecoptera, Trichoptera [EPT]) such as mayfly (Aentrella sp., Baetis sp.), stonefly (Allocapnia sp., Isoperla sp.), and caddisfly (Cheumatopsycke sp., ' Hydropsyche sp.). Diagnostic species utilized to assess benefits to biological habitat will be discerned from reference reach sampling. 1 ' Reference Reach (Target) Sampling A reference reach will be sampled to provide a characterization of taxa present within ' relatively undisturbed streams in the region that supports a similar drainage area (< 0.3 square mile). The r e sample will be collected within headwater reaches of_Flat ed on Fort,gragg,-in - Cumberland-County. This reference reach and associated ' drainage area is unlikely to be impacted by development within the military base over the next several decades. In addition, this reference reach has been utilized to establish stream geometry for reconstruction. The monitoring location will be positioned along a transitional ' zone from intermittent to perennial stream, including a drainage area of less than 0.30.3 mile. ong with Stream Habitat Assessment Forms, the results of the reference sample will be used to generate a taxa list of relative abundance, to assess diagnostic (target) taxa, and for future metric calculations and subsequent evaluation of findings. Impacted Stream Reach (Base-Line) Sampling ' Base-line (pre-project) sampling within the impacted stream reach will be performed prior to disturbance. A taxa list of relative abundance and Stream Habitat Assessment Form will be compared to reference reach data and restoration reach data to assess existing conditions and compile a list of taxa currently available for expansion into the reconstructed stream. Restoration Reach Sampling ' Restoration reach sampling will be performed annually for a minimum of 3 years, starting one full year after the impacted stream is disturbed and the restoration reach established. As described above, a taxa list of relative abundance and Stream Habitat Assessment Form generated for the restored reach will be compared to reference reach and impacted reach data in tabular format. The comparison will depict the taxa that are colonizing the ' reconstructed channel relative to target and pre-project conditions. 2.8 Stream Bioloay Success Criteria Success criteria associated with biological monitoring will follow procedures established in DWQ's monitoring protocols (DWQ 2000). Success criteria may be modified based on future, quantitative protocols established by DWQ. In general, Stream Habitat Assessment ' Forms will be utilized to verify functional replacement of in-stream, aquatic habitat. Summary statistics will be used to verify the process of colonization by diagnostic taxa, including a potential trajectory from base-line conditions towards target conditions over time. The baseline sample, collected within the stream reach to be impacted by landfill development, will establish the functional capacity of the existing stream and will denote ' base-line conditions for restoration efforts. The target sample, collected within the reference (relatively undisturbed) stream reach, will establish the best-case conditions and ultimate, long term goal for the restoration project. ' Success criteria will include evi at th restored stream reach meets or _exceeds._the base-line biological condition. Summary statistics within the restored reach will be used to ' verify that species diversity meets or exceeds diversity within the impacted stream. In u 1 ' addition, colonization patterns and development of aquatic habitat over time will exhibit a trajectory towards reference reach conditions in each successive monitoring year. 2.9 Report Submittal An Annual Wetland Monitoring Report (AWMR) will be submitted to USACE and DWQ at the end of each monitoring year. The AWMR will depict the sample plot locations and include ' photographs which illustrate site conditions. Data compilations and analyses will be presented as described in Sections 2.1 through 2.8 including graphic and tabular format, where practicable. Success criteria will be interpreted based on quantitative data described above. In the event that success criteria are not achieved, methods for contingency or remediation will be recommended. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 APPENDIX B Biological Monitoring Data Benthic Sampling Results (EPT taxa) for Baseline Data and Monitoring Years 2001-2004. Baseline Baseline Pre- Reference Reference Project 2001 2005 2001 2002 2003 2004 2005 Ephemeroptera Ameletidae Ameletus lineatus 4 Baetidae 10 2 Caenidae Caenis sp. 1 1 Ephemerellidae Eurylophella sp. 3 Heptageniidae Stenacron interpunctatum 1 1 Stenonema sp. 1 Leptophlegiidae Paraleptophlebia sp. 31 19 Plecoptera Perlidae Eccoptura xanthenes 2 2 Periodidae Isoperla sp. 4 Trichoptera Hydropsydhidae 2 Cheumatopsyche sp. 3 Diplectrona modesta 4 Limnephilidae Ironoquia sp. 1 Pycnopsyche sp. 8 Philopotamidae Chimarra aterrima 10 11 Uenoidae Neophylax sp. 1 Total 78 41 0 0 0 3 0 mfT, ?Z v c cv 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 t 1 BENTHIC MACROINVERTEBRATES COLLECTED FROM ANSON MITIGATION SITE, OCTOBER 20, 2005. SPECIES T.V. F.F.G. Sta. 1 US Sta. 2 DS Refrence ANNELIDA Oligochaeta CG Tubificida Tubificidae w.h.c. 7.1 CG 1 Tubificidae w.o.h.c. 7.1 CG 1 1 ARTHROPODA Crustacea Isopoda Asellidae SH Caecidotea sp. 9.1 CG 2 Amphipoda CG Crangonyctidae Crangonyx sp. 7.9 CG 7 3 Decapoda Cambaridae 7.5 5 2 2 Insecta Collembola 1 Ephemeroptera Baetidae CG 2 Caenidae CG Caenis sp. 7.4 CG 1 Heptageniidae SC Maccaffertium (Stenonema) sp. *4 SC 1 Stenacron interpunctatum 6.9 SC 1 Leptophlebiidae CG Paraleptophlebia sp. 0.9 CG 19 Odonata Aeshnidae P 1 Epiaeschna heros 2 2 Calopterygidae P Calopteryx sp. 7.8 P 10 Cordulegastridae p Cordulegaster sp. 5.7 P 2 Gomphidae p Lanthus parvulus 1.8 2 Plecoptera Perlidae P Eccoptura xanthenes 3.7 p 2 Hemiptera Corixidae 9 PI 13 1 Gerridae P Aquarius sp. P 1 Notonectidae Notonecta sp. 8.7 p 1 Megaloptera Sialidae P Sialis sp. 7.2 P 3 Trichoptera Hydropsychidae FC Pennington and Associates, Inc. Page 1 of 2 ecoscientcANSONCOcl1 1/10/2006 t BENTHIC MACROINVERTEBRATES COLLECTED FROM ANSON MITIGATION SITE, OCTOBER 20, 2005. Diplectrona modesta Philopotamidae Chimarra aterrima Coleoptera Curculionidae Dryopidae 1 Helichus basalis Helichus fastigiatus Hydroporus sp. Dytiscidae Copelatus sp. Laccophilus sp. Elmidae Stenelmis sp. Ptilodactylidae Anchytarsus bicolor Diptera ' Chaboridae Chaoborus punctipennis Chironomidae ' Chironomus sp. Conchapelopia sp. Microtendipes pedellus gp. Paralauterborniella nigrohalteralis ' Polypedilum illinoense Rheotanytarsus sp. Tanytarsus sp. Culicidae Anopheles sp. Tipulidae Hexatoma sp. Tipula sp. ' TOTAL NO. OF ORGANISMS TOTAL NO. OF TAXA EPT Index Biotic Index % Dominant taxon Pennington and Associates, Inc. SPECIES T.V. F.F.G. Sta. 1 US Sta. 2 DS Refrence 2.2 FC FC 2.8 FC *4 Sc 8.6 PI P 10 10 P CG 5.1 Sc SH 3.6 SH 8.5 P 9.6 CG 8.4 P 5.5 CG 4.8 CG 9 SH 5.9 FC 6.8 FC FC 8.6 FC SH 4.3 P 7.3 SH 1 1 7 1 1 3 9 2 2 1 4 11 1 1 2 1 4 1 1 3 1 2 1 4 1 54 19 89 13 13 / 29 0 r 0 8 ?? . 8.54 8.22 4.57 [ f kr 24.07% 15.79% 21.35% Page 2 of 2 ecoscientcANSONCOcl1 1/10/2006 APPENDIX 2. HABITAT ASSESSMENT FORMS: MOUNTAIN/PIEDMONT AND COASTAL PLAIN. Habitat Assessment Field Data Sheet Mountain/ Piedmont Streams ' Directions for use of this Assessment: The observer is to survey a minimum of 100 meters of stream, preferably in an upstream direction starting above the bridge pool and the road right-of-way. The stream segment which is assessed should represent average stream conditions. In order to perform a proper habitat evaluation the observer needs to get into the stream. All meter readings need to be performed prior to walking the stream. When working the habitat index, select the description which best fits the observed habitats and then circle the score. If the observed habitat falls in between two descriptions, select an intermediate score. There are eight different metrics in this index and a final habitat score is determined by adding the results from the different metrics. Stream Location/Road County A Date CC# Basin Subbasin Observer(s)`-r= Office Location Agency Type of Study: Fish ' Bentho Basinwide Special Study (Describe) Latitude Longitude Ecoregion (circle one) MT P Distance Surveyed - meters 1 1 t 1 Physical Characterization: Land use refers to immediate area that you can see from sampling location - include what you see driving thru the watershed in the remarks section. Also use the remarks section I-or such descriptions as "deeply incised" or "exposed bedrock" or other unusual conditions. Land use: Forest ? D % Active Pasture -% Active Crops % Fallow ields "/° Commercial Industrial % Residential % Other % -Describe C:_ 17 ?vt { ie' Width: (meters) Stream k Channel 1 Average Stream Depth: (m) ?. _ Velocity - 2 m/sec Flow conditions (circle one): High -'Non I Low Manmade Stabilization: Y[ ) 141A Describe Water Quality: Temperature °C Dissolved Oxygen mg/l Conductivity llmhos/cm pH Turbidity: (circle) Clear Slightly Turbid Turbid . Tannic Weather Conditions: L r' j; ( Photo # Remarks:` r Ilauk Page 34 Typical Stream Cross-section 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1. Channel Modification (Use Topo map as an additional aid for this parameter) Scor A. channel natural, frequent bends (good diversity of bends or falls) ................................................... B. channel natural, infrequent bends ..................................................................................................... 4 C. some channelization present ............................................................................................................. 3 D. more extensive channelization, >40% of stream disrupted ............................................................... 2 E. no bends, completely channelized or rip rapped or gabioned, etc ................................................... 0 Remarks Subtotal II. Instream Habitat: Consider the .percentage of the reach that is favorable for bentlios colonization or fish cover. Circle the habitats which occur (Rocks; -(Macr e- (ficks and leaf pact. j :(snags andRlo;) (updercuC;.'. banks or root mays) Definition: --teaTp-ac-kr consrst of older leaves that are packed together and have begun to decay."Files of leaves in pool areas are not considered leaf packs. EXAMPLE: If >70% of the reach is rocks, I type is present, circle the score of 17. AMOUNT OF REACH FAVORABLE FOR COLONIZATION OR COVER >70% 40-70% 20-40% <20% Sc 'e Score Score Score 4 or 5 types present ................. 20 16 12 8 3 types present ......................... 19 15 11 2 types present ......................... 18 14 10 7 6 1 type present ........................... 17 13 9 5 No types present ......................... .. ubtotal 'j III. Bottom Substrate (silt, sand, detritus, ravel, cobble, boulder) look at entire reach for substrate scoring, but only look at riffle for embeddedness. A. substrate with good mix of gravel cobble and boulders Score 1. embeddedness <20% (very little sand, usually only behind large boulders) ....................... 15 2. embeddedness 20-40% ..............................................................••.......................................... 12 3. embeddedness 40-80% ......................................................................................................... 8 4. embeddedness >80% .............................................................................................. B. substrate gravel and cobble 1. embeddedness <20% ...................................................................... 2. embeddedness 20-40% .............................................................. 11 ........................................... 3. embeddedness 40-80% ........................................................................................................ 6 4. embeddedness >80% .................................................... 2 ..................................... C. substrate mostly gravel 1. embeddedness <50% ...................................... 2. embeddedness >50% ............................................. ............................................... D. substrate homgeneous 1. substrate nearly all bedrock ............................................................................... 2. substrate nearly all sand ........... ........................................................................................... 3 3. substrate nearly all detritus ....................................................... substrate nearly all silt/ clay .....................................................:. ...........................:. .............. :l Subtotal N -c 35 A 1 IV Pool Variet Pools are areas of dee e th . y p r an average maximum depths with little or no surface turbulence . Water velocities associated with pools are always slow. Pools may take the form of "pocket water", small pools behind boulders or obstructions, in large high gradient streams. A. Pools present Score 1. Pools Frequent (>30% of 100m area surveyed) a. variety of pool sizes ................................................ . ......... ............................................... 10 b. pools same size ................................................................................................. 2. Pools Infrequent (<30% of the I00m area surveyed) a. variety of pool sizes ......................................................................................................... 6 b.pools same size .................................................... ............................................. 4 B. Pools absent ' 1. Runs present ..................................................................... ............................................................... 3 2. Runs absent ................................. ..................................................................................................... 0 Remarks Page Total 6 V. Riffle Habitats Frequent Infrequent Score Score A. well defined riffle and run, riffle as wide as stream and extends 2X width of stream..... "'I 12 B. riffle as wide as stream but riffle length is not 2X stream width ..................................... 14 7 C. riffle not as wide as stream and riffle length is not 2X strearn width ................................ 10 3 D iffl b . r es a sent ........................................................................................................................0 Subtotal VI B k S . an tability and Vegetation Left Bank Right Bank Score Score A. Banks stable 1. no evidence of erosion or bank failure, little potential for erosion ................................... !7 B. Erosion areas present 1. diverse trees, shrubs, grass; plants healthy with good root systems ................................ 6 6 few t 2 ll t d b . rees or sma rees an shru s; vegetation appears generally healthy ............... 5 ....... 5 3. sparse vegetation; plant types and conditions suggest poorer soil binding 3 ....................... 3 4. mostly grasses, few if any trees and shrubs, high ersosion and failure potential at high flow 2 2 5. no bank vegetation, mass erosion and bank failure evident .................... 0 0 Total I _ R P1TartlC VII. Light Penetration (Canopy is defined as tree or vegetative cover directly above the stream's surface. Canopy would block out sunlight when the sun is directly overhead). Score Stream with good shading with some breaks for light penetration ................................. 1 B. Stream with full canopy - breaks for light penetration absent ............................. g C. Stream with partial shading -.sunlight and shading are essentially equa .................................... 7 D. Stream with minimal shading - full sun in all but a few areas ............................. E. No shading ' Remarks 1 Page 36 VIII. Riparian Vegetative Zone Width Definition: A break in the riparian zone is any area which allows sediment to enter the stream. Br eaks refer to the near-stream portion of the riparian zone (banks); places where pollutants can directl enter the t y s rea m. ' Right Bank Left Banl A. Riparian zone intact (no breaks) Score Score 1. zone width > 18 meters ..................................................................................... 2. zone width 12-18 meters 6) ............................................................. 3. zone width 6-12 meters ......................................... 4 ............................................ 4. zone width < 6 meters ........ . . 3 , . . .......................................................................... B. Riparian zone not intact (breaks) Z 2 1. breaks rare a. zone width > 18 meters ......................................................................... 4 ' b. zone width 12-18 meters ....................................................................... c zone width 6-12 meters 3 4 . .......................................................... d. zone width < 6 meters ......................................... 2 ................................ 2. breaks common 1 I a. zone width > 18 meters ......................................................................... b zone width 12 18 t 3 . - me ers ......................................................... ............. c. zone width 6-12 meters ......................................... . 2 2 ............................. d. zone width < 6 meters 1 1 ............................................ ............................. Remarks 0 0 Total ) 1 TOTAL SCORE ADD COMMENTS, DRAWINGS: 1 i t t i Page 37 1 APPENDIX 2. HABITAT ASSESSMENT FORMS: MOUNTAIN/PIEDMONT AND COASTAL PLAIN. Habitat Assessment Field Data Sheet Mountain/ Piedmont Streams Directions for use of this Assessment: The observer is to survey a minimum of 100 meters of stream, preferably in an upstream direction starting above the bridge pool and the road right-of-way. The stream segment which is assessed should represent average stream conditions. In order to perform a proper habitat evaluation the observer needs to get into the stream. All meter readings need to be performed prior to walking the stream. When working the habitat index, select the description which best fits the observed habitats and then circle the score. If the observed habitat falls in between two descriptions, select an intermediate score. There are eight different metrics in this index and a final habitat score is determined by adding the results from the different metrics. k , Stream_ % LocAtion/Road County Date ;J_ fc' CC# Basin Subbasin ' Observer(s) Office Location ! Agency Type of Study: Fish , Bentho Basinwide Special Study (Describe) Latitude Longitude Ecoregion (circle one) MT P Distance Surveyed meters Physical Characterization: Land use refers to immediate area that you can see from sampling location - include what you see driving thru the watershed in the remarks section. Also use the remarks section I-or such descriptions as "deeply incised" or "exposed bedrock" or other unusual conditions. Land use: Forest/?'lj % Active Pasture % Active Crops % Fallow Fields % Commercial Industrial -% Residential % Other -% - Describe Width: (meters) Stream Channel Avera e Stream De the _ g p (mV, Velocity ,? m/sec Flow conditions (circle one): High Normal Low Manmade Stabilization: Y[ J N) Describe Water Quality: Temperature °C Dissolved Oxygen mg/1 Conductivity ilmhos/cm pI{ Turbidity: (circle Clear Slightly Turbid Turbid Tannic Weather Conditions: Photo # Remarks: 1 1 1 r 6:?xk Page 34 Typical Stream Gotc-cectiml 1 \ 1. Channel Modification (Use Topo map as an additional aid for this parameter) Scor A. channel natural, frequent bends (good diversity of bends or falls) ....................... B. channel natural, infrequent bends ......................................................... 4' .................................. C. some channelization present ........................................................................................ ; ...................... D. more extensive channelization, >40% of stream disrupted .............................. 2 ........................ E. no bends, completely channelized or rip rapped or gabioned, etc ................................................... 0 Remarks 'z? Subtotal a L.) up iF" II. Instream Habitat: Consider the percentage of the reach that is favorable for benthos colonization or fish cover. Circle the habitats which occur- (Rocks) (Macrophytes) (sticks and leaf packs) (snags and lobs) (undercut banks or root mats) Definition: leafpacks consist of older leaves that are packed together and have begun to decay. Piles of leaves in pool areas are not considered leaf packs. EXAMPLE: If >70% of the reach is rocks, 1 type is present, circle the score of 17. AMOUNT OF REACH FAVORABLE FOR COLONIZATION OR COVER >70% 40-70%0 20-40% <20% 4 or 5 types present ............ Score (0 Score 16 Score Score ..... 3 types present ......................... 19 15 12 11 8 7 2 types present ......................... 18 14 10 6 1 type present ........................... 17 13 9 5 No types present ......................... .. e„1,r„r.,i 2 III. Bottom Substrate (silt, sand, detritus, gravel, cobble, boulder) look at entire reach for substrate scorin but only look at riffle for embeddedness. g, A. substrate with good mix of gravel cobble and boulders 1. embeddedness <20% (very little sand, usually only behind large boulders) Score ....................... 2. embeddedness 20-40% ................. 15 ......................................................................................... 3. embeddedness 40-80% ............ 12 ...................................... .................................. ..................... 4. embeddedness >80% .................................................. .... substrate gravel and cobble , 1. embeddedness <20% ................................. ........ ............................... . } . ................................ 2. embeddedness 20-40% .................................................... .......................... . 3. embeddedness 40-80% .................. ...................................................................................... 4. embeddedness >80% ........................ 6 .................................................................................... C. substrate mostly gravel 2 1. embeddedness <50% ..................... ............................................... 2, embeddedness >50% ....................... . . ................................................................................... D. substrate homgeneous 2 1. substrate nearly all bedrock ........................................................ . . ..................... 2. substrate nearly all sand... .................................. 3 3. substrate nearly all detritus ................................. ................................................................... 4. substrate nearly all silt/ clay ....................................................: ............................:................ 2 I Remarks 1L) P i`>e 35 i IV Pool Variet Pools are areas of dee er tha av i d . y p n erage max mum epths with little or no surface turbulence . Water velocities associated with pools are always slow. Pools may take the form of "pocket water", small pools behind boulders or obstructions, in large high gradient streams. A. Pools present Scor 1. Pools Frequent (>30% of 100m area surveyed) a. variety of pool sizes .......................................................... _l b. pools same size ............................................................................................................... g 2. Pools Infrequent (<30% of the 100m area surveyed) a. variety of pool sizes ......................................................................................................... 6 b.pools same size .......................................................................................................... 4 ....... B. Pools absent 1. Runs present .................................................................................................................................... 3 2. Runs absent .............. . . ....... ...... .................................................................... 1 Remarks Pa l 67 e Tot g a V. Riffle Habitats Frequent Infrequent Score Score A. well defined riffle and run, riffle as wide as stream and extends 2X width of stream..... 16 12 B. riffle as wide as stream but riffle length is not 2X stream width ..................................... 14 7 C. riffle not as wide as stream and riffle length is not 2X stream width ................................ 10 3 D. riffles absent ........................................................................................................................0 Subtotal' VI. Bank Stability and Vegetation A. Banks stable 1. no evidence of erosion or bank failure, little potential for erosion ................................... B. Erosion areas present 1. diverse trees, shrubs, grass; plants healthy with good root systems ................................ 2. few trees or small trees and shrubs; vegetation appears generally healthy ...................... 3. sparse vegetation; plant types and conditions suggest poorer soil binding ....................... 4. mostly grasses, few if any trees and shrubs, high ersosion and failure potential at high flow 5. no bank vegetation, mass erosion and bank failure evident ............................................ Left Bank Right Bank Score Score 7 7 5 5 3 3 2 2 0 0 Total VII. Light Penetration (Canopy is defined as tree or vegetative cover directly above the stream's surface. Canopy would block out sunlight when the sun is directly overhead). Score A. Stream with good shading with some breaks for light penetration ....................... :..................... II? 8. B. Stream with full canopy - breaks for light penetration absent ............................................ C. Stream with partial shading =sunlight and shading are essentially equa .................................... 7 D. Stream with minimal shading - full sun in all but a few areas ....................................................... 2 E. No shading .............................................................................. Remarks (1 Page 36 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 VIII. Riparian Vegetative Zone Width Definition: A break in the riparian zone is any area which allows sediment to enter the stream. Breaks refer to the near-stream portion of the riparian zone (banks); places where pollutants can directly enter the stream. Rijht Banl< Left Ban Score Score A. Riparian zone intact (no breaks) 1. zone width > 18 meters ..................................................................................... 2. zone width 12-18 meters ................................................................................... 4 q 3. zone width 6-12 meters ..................................................................................... 3 3 4. zone width < 6 meters ...................................................................................... 2 2 B. Riparian zone not intact (breaks) 1. breaks rare a. zone width > 18 meters ....................................................................... 4 4 b. zone width 12-18 meters ....................................................................... 3 3 c. zone width 6-12 meters ....................................................................... 2 2 d. zone width < 6 meters .................................................. ...................... I 2. breaks common a. zone width > 18 meters ......................................................................... 3 3 b. zone width 12-18 meters ...................................................................... 2 2 c. zone width 6-12 meters ................................................................•-..... I 1 d. zone width < 6 meters ....................................................................... 0 0 rks Total -I 0 TOTAL SCORE G, ??- ADD COMMENTS, DRAWINGS: r>,? 37 N W E 5 4! f ,? t c-f REFERENCE STREAM --?- ''- ?? Wadesboro i. 3.5 miles j !tad 41 1 1 1 i 1 1 1 1 1 1 i 1 1 1 1 1 1 i 1 N number of particles CO CL M N LO to N 0 to 00 O 4k 0 O O 0 5 O C 0 p 0 O CO to O O 5 E ° CU C > '0 (n (6 ? ? 0o O 0 U a) _ d O - ------'- --- --_... ( I E _.1__. _.. ........_.. _ E oMM? m I I o ? ao 0 ° 0 CU E , N 3 I 1 to Y t 7 I ? p O 1 U U I I .a a? N (D v M d N to ? q) CU 1 E M ° t O I I ' (D N (D M ° I I U ) 00 rn o O o U o 0 CI) (D o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o O 0 0 0 V CO O O O O O O O O O O O O O W r O 0 V M N L uey; jaug fuawad c U rn N 11 !- N N CO r- aN-- (O N N N E N LO C C `-' O CD O tt) N LO CO 0 N ?t a0 O N O CT O N 7 U 7 ? O O O O ?N O N N LO IT V (D GOB.--N M?(O 0 O 0 D)? .-N ( p M tf) N O U a) O N U') (O Lq (D C-4 N N st (0 00 .-- (D N N to '-NM'V V O W O O t0) NO (O N N st M 0 (D - N -t ' ' ? ? J Q N_ O .- N CO ill 0 0 (a O (A O O e- N - , I > 0 '0 0-0 C C C C C a) N N N N N N N N N N 22 N a) N a) 0 C N 0 N 0 0 > > > > > > > > > _0 Z .0 - o o- 0 V ° O a 00 _V (n u) 0 u) w at 0) m 0 =3 -0 20 m C) E a) 4) M m o 0 o O o 0 0 a i CO U) S;?12 O N E E 0 0 0 0 12 j m .0 (u 0 'w t.= .7 7 CU (U CU cu Ql E N 0 E 2) E U 0 E Z °° 0 °? ° 0 m 22 N m a E ° c ( ? > E E L, E i ( n CD v a) j z > > a) > E > o Z O t? 1 1 1 11 J 1 1 APPENDIX C Groundwater Gauge Hydrographs 1 0 1 1 1 I?o ?o J CV O ? V ? O Q m LO LO I NZt- U) a? c? C? 0 N O N N N .0 _N tII 0 (D 0 M N N N N (c0 N 00 't O N' 00 N (O O It 00 N m O ? ?-- N N N M M d' (u!) ujdaQ aalaM 1 1 1 1 1 1 1 1 1 1 i 1 1 i 1 1 1 O J ? >+ N V ? Q CR 0 C? N N cm (Cf 0 0 N O N (14 N cD U) >N O (D N OJ d' O CD N o0 ?t O tt 00 N CO O ? 00 N tD O (u!) uldaa aajeM i i A CV o O CO V a) ca ? O ? a 0 2t N O N N N ..0 N CO N ?t m (NN N ON (r0 N 00 It O 00 N c0 O d' 00 N m O r' r- N N N c'7 c'7 '?t (u!) ujdaa aajaM 1 1 1 1 1 1 I 1 1 1 1 1 1 1 1 1 1 1 ? O ? O ?+ N O ? V ? O CD Q _N d' ?t- O LO CO d' a? c? 0 N O N N N 70 N (u U) c >N (D w (D m N N N N(D cN- m d' O It m N CO O V m N m O t- ?- N N N C7 ('7 ? (u!) ujdaa aajaM i i i ti ' o ? N 0 j }, C N ( j O a1 LO ? Q 0 N O N N N _N co O t0 N w Iq O (D N 00 ? O V 00 N m O' t w N O O M M N N N .- ' ' r N N N M M ct (u!) uldaa aajaM - --- , - 90/Z/Z I 90/t UZ { 90/9Z/0 I 90/5/6 c? Q 90/L [IL a) ca 90/8Z/9 6 U 0 90/8/t Q 90/L UZ 1p0/6Z/Z 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o Sri 6 L6 co psi o to N N V- V puooas/loal oigno 1 1 1 1 i 1 1 i 1 1 1 1 1 1 1 1 1 i APPENDIX D Vegetation Plot Data Piedmont Alluvial Forest (Plots 1 and 2: Planted ommon name cientific name tems Total Trees/ Acre Percent of Total Trees/ Acre Trees/ Acre for Success Criteria Percent of Total Trees/ Acre for Success Criteria omments' etland Status haracteristic Species' box-elder Acernegundo 0 0 0.0 0 0.0 P. R FACW Yes red maple Acer rubrum 222 1009 17.1 58 20.9 V. R FAG Yes river birch Betula nigra 0 0 0.0 0 0.0 P, R FACW Yes ironwood Carpinus caroliniana 4 18 0.3 18 6.5 P, R FAG Yes pignut hickory Carya glabra 0 0 0.0 0 0.0 P FACU No mockernut hickory Carya tomentosa 0 0 0.0 0 0.0 P N/A No hackberry Celtis occidentalis 4 18 0.3 0 0.0 V FACU No sugarberry Celtis laevigata 0 0 0.0 0 0.0 V. R FACW Yes buttonbush Cephalanthus occidentalis 0 0 0.0 0 0.0 V OBL No silky dogwood Corpus amomum 25 114 1.9 58 20.9 P, R FACW+ Yes flowering dogwood Comus flodda 8 36 0.6 0 0.0 P FACU No persimmon Diospyros virginiana 5 23 0.4 0 0.0 V FAC No green ash Fraxinus pennsylvanica 22 100 1.7 58 20.9 P, R FACW Yes deciduous holly flex decidua 0 0 0.0 0 0.0 V FACW- No American holly Ilex opaca 16 73 1.2 0 0.0 V, R FAC- No eastern red cedar Juniperus virginiana 2 9 0.2 0 0.0 V FACU- No Chinese privet Ligustrum sinense 499 2268 38.4 0 0.0 V FAC No sweet-gum Liquidambar styraciflua 83 377 6.4 58 20.9 V, R FAC+ Yes black gum Nyssa sylvatica 2 9 0.2 0 0.0 P OBL No loblolly pine Pinus taeda 98 445 7.5 0 0.0 V, S FAC No sycamore Platanus occidentalis 3 14 0.2 14 5.0 P, R FACW- Yes black cherry Prunus serotina 11 50 0.8 0 0.0 V FACU No laurel oak Quercus laurifolia 1 5 0.1 0 0.0 V FACW No overcup oak Quercus lyrata 0 0 0.0 0 0.0 V OBL No water oak Quercus nigra 40 182 3.1 0 0.0 V FAG No willow oak Quercus phellos 30 136 2.3 0 0.0 V FACW- No northern red oak Quercus rubra 6 27 0.5 0 0.0 P, V FACU No cherrybark oak Quercus pagoda 1 5 0.1 5 1.8 P. R FAC+ Yes black oak Quercus velutina 1 5 0.1 0 0.0 V NI No winged sumac Rhus copallinum 1 5 0.1 0 0.0 V NI No willow sp. ' Salix sp. 0 0 0.0 0 0.0 P, S N/A No elderberry ` Sambucus canadensis 2 9 0.2 0 0.0 P FACW- No winged elm Ulmus alata 166 755 12.8 0 0.0 V FACU+ No American elm Ulmus americana 0 0 0.0 0 0.0 P, R FACW Yes possum-haw Viburnum nudum 18 82 1.4 0 0.0 V FACW+ No honey locust Gletditsia triacanthos 0 0 0.0 0 0.0 V FAC- No black willow Sa/ix nigra 2 9 0.2 9 3.2 V, R OBL Yes groundsel-tree Baccharis halimifolia 3 14 0.2 0 0.0 V FAC No pawpaw Asimina triloba 3 14 0.2 0 0.0 V FAG No American beech Fagus grandifolia 5 23 0.4 0 0.0 V FACU No arrow-wood Viburnum dentatum 8 36 0.6 0 0.0 V FAC No black walnut Juglans nigra 9 41 0.7 0 0.0 V FACU No yaupon holly Ilex vomitoria 0 0 0.0 0 0.0 V FAC No TOTAL = 1300 5909 100.0 278 100.0 1 - P = planted; V = volunteer; R = occurs in reference forest according to Schafale and Weakley (1990); S = softwood 2 - Characteristic species are defined as species found within the reference community that are 1) native, planted species with a wetland status of FAG or wetter; or 2) non-planted, volunteer species with a wetland status of FAG or wetter. - Species planted for streambank stabilization that are not a characteristic species. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Piedmont Swamp Forest (Plot 3: Planted ommon name cientific name tems Total Trees/ Acre Percent of Trees/Acre Total for Trees/ Success Acre Criteria Percent of Total Trees/ Acre for Success Criteria omments' etland Status haracteristic Species2 box-elder Acernegundo 0 0 0.0 0 0.0 P, R FACW Yes red maple Acerrubrum 96 873 17.8 58 12.8 V, R FAC Yes river birch Betula nigra 0 0 0.0 0 0.0 P. R FACW Yes ironwood Carpinus caroliniana 5 45 0.9 45 10.0 P. R FAC Yes pignut hickory Carya glabra 0 0 0.0 0 0.0 P FACU No mockernut hickory Carya tomentosa 0 0 0.0 0 0.0 P N/A No hackberry Celtislaevigata 1 9 0.2 9 2.0 V.R FACW Yes buttonbush Cephalanthus occidentals. 1 9 0.2 0 0.0 V OBL No silky dogwood Comus amomum 0 0 0.0 0 0.0 P, R FACW+ Yes flowering dogwood Comus Florida 0 0 0.0 0 0.0 P FACU No persimmon Diospyros virginiana 9 82 1.7 0 0.0 V FAC No green ash Fraxinus pennsylvanica 57 518 10.6 58 12.8 P. R FACW Yes deciduous holly flex decidua 0 0 0.0 0 0.0 V FACW- No American holly flex opaca 0 0 0.0 0 0.0 V, R FAC- No eastern red cedar Juniperus virginiana 0 0 0.0 0 0.0 V FACU- No Chinese privet Ligustrum sinense 61 555 11.3 0 0.0 V FAC No sweet-gum Liquidambarstyraciflua 115 1045 21.3 58 12.8 V. R FAC+ Yes black gum Nyssasylvatica 5 45 0.9 0 0.0 P OBL No loblolly pine Pinus taeda 47 427 8.7 0 0.0 V, S FAC No sycamore Platanus occidentalis 5 45 0.9 45 10.0 P. R FACW- Yes black cherry Prunus serotina 0 0 0.0 0 0.0 V FACU No laurel oak Quercus laurifolia 0 0 0.0 0 0.0 V FACW No overcup oak Quercus lyrata 17 155 3.2 58 12.8 V, R OBL Yes water oak Quercus nigra 19 173 3.5 0 0.0 V FAC No willow oak Quercus phellos 12 109 2.2 58 12.8 V. R FACW- Yes northern red oak Quercus rubra 0 0 0.0 0 0.0 P, V FACU No cherrybark oak Quercus pagoda 3 27 0.6 27 6.0 P, R FAC+ Yes black oak Quercus velutina 0 0 0.0 0 0.0 V NI No winged sumac Rhus copallinum 0 0 0.0 0 0.0 V NI No willow sp. Salix sp. 0 0 0.0 0 0.0 P, S N/A No elderberry Sambucus canadensis 5 45 0.9 0 0.0 P _ FACW- No winged elm Ulmus alata 67 609 12.4 0 0.0 V FACU+ No American elm Ulmus americana 0 0 0.0 0 0.0 P. R FACW Yes possum-haw Viburnum nudum 1 9 0.2 0 0.0 V FACW+ No honey-locust Gletditsia trlacanthos 0 0 0.0 0 0.0 V FAC- No black willow Salix nigra 4 36 0.7 36 8.0 V. R OBL Yes groundsel-tree Baccharis ha/imifolia 0 0 0.0 0 0.0 V FAC No pawpaw Asimina triloba 0 0 0.0 0 0.0 V FAC No American beech Fagus grandifolia 0 0 0.0 0 0.0 V FACU No arrow-wood Viburnum dentatum 2 18 0.4 0 0.0 V FAC No black walnut Juglans nigra 0 0 0.0 0 0.0 V FACU No yaupon holly Ilex vornitoria 7 64 1.3 0 0.0 V FAC No TOTAL= 539 4900 100.0 452 100.0 1 -- P = planted; V = volunteer; R = occurs in reference forest according to Schafale and Weakley (1990); S = softwood 2 - Characteristic species are defined as species found within the reference community that are 1) native, planted species with a wetland status of FAC or wetter; or 2) non-planted, volunteer species with a wetland status of FAC or wetter. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Piedmont Swamp Forest (Plot 4: Not Planted) ommon name cientific name tems Total Trees/ Acre Percent of Trees/Acre for Total Trees/ Success Acre Criteria Percent of Total Trees/ Acre for Success Criteria omments' etland Status haracteristic Species= box-elder Acernegundo 0 0 0.0 0 0.0 V. R FACW Yes red maple Acerrubrum 46 836 15.3 58 16.7 V, R FAC Yes river birch Betula nigra 0 0 0.0 0 0.0 V, R FACW Yes ironwood Carpinus caroliniana 4 73 1.3 58 16.7 V, R FAC Yes pignut hickory Carya glabra 0 0 0.0 0 0.0 V FACU No mockernut hickory Carya tomentosa 0 0 0.0 0 0.0 V N/A No hackberry Celtis laevigata 0 0 0.0 0 0.0 V, R FACW Yes buttonbush Cephalanthus occidentals: 2 36 0.7 0 0.0 V OBL No silky dogwood Comus amomum 0 0 0.0 0 0.0 V, R FACW+ Yes flowering dogwood Comus Norida 0 0 0.0 0 0.0 V FACU No persimmon Diospyros virginiana 5 91 1.7 0 0.0 V FAC No green ash Fraxinus pennsylvanica 92 1673 30.7 58 16.7 V, R FACW Yes deciduous holly Ilex decidua 0 0 0.0 0 0.0 V FACW- No American holly flex opaca 0 0 0.0 0 0.0 V, R FAC- No eastern red cedar Juniperus virginiana 0 0 0.0 0 0.0 V FACU- No Chinese privet Ligustrum sinense 79 1436 26.3 0 0.0 V FAC No sweet-gum Liquidambar styraciflua 37 673 12.3 58 16.7 V, R FAC+ Yes black gum Nyssa sylvatica 0 0 0.0 0 0.0 V OBL No loblolly pine Pinus taeda 4 73 1.3 0 0.0 V, S FAC No sycamore Platanus occidentalis 0 0 0.0 0 0.0 V, R FACW- Yes black cherry Prunus serotina 0 0 0.0 0 0.0 V FACU No laurel oak Quercus laurifolia 0 0 0.0 0 0.0 V FACW No overcup oak Quercus lyrata 0 0 0.0 0 0.0 V, R OBL Yes water oak Quercus nigra 4 73 1.3 0 0.0 V FAC No willow oak Quercus phellos 6 109 2.0 58 16.7 V, R FACW- Yes northern red oak Quercus rubra 0 0 0.0 0 0.0 V, V FACU No cherrybark oak Quercus pagoda 0 0 0.0 0 0.0 V, R FAC+ Yes black oak Quercus velutina 0 0 0.0 0 0.0 V NI No winged sumac Rhus copallfnum 0 0 0.0 0 0.0 V NI No willow sp. Salix sp. 0 0 0.0 0 0.0 V. s N/A No elderberry Sambucus canadensis 0 0 0.0 0 0.0 V FACW- No winged elm Ulmus alata 7 127 2.3 0 0.0 V FACU+ No American elm Ulmus americana 0 0 0.0 0 0.0 V, R FACW Yes possum-haw Viburnum nudum 9 164 3.0 0 0.0 V FACW+ No honey-locust Gletditsia triacanthos 1 18 0.3 0 0.0 V FAC- No black willow Salix nigra 4 73 1.3 58 16.7 V. R OBL Yes groundsel-tree Baccharis halimifolia 0 0 0.0 0 0.0 V FAC No pawpaw Asimina triloba 0 0 0.0 0 0.0 V FAC No American beech Fagus grandifolia 0 0 0.0 0 0.0 V FACU No arrow-wood Viburnum dentatum 0 0 0.0 0 0.0 V FAC No black walnut Juglans nigra 0 0 0.0 0 0.0 V FACU No yaupon holly flex vomitoria 0 0 0.0 0 0.0 V FAC No TOTAL= 300 5455 100.0 348 100.0 1 -- P = planted; V = volunteer; R = occurs in reference forest according to Schafale and Weakley (1990); S = softwood 2 -- Characteristic species are defined as species found within the reference community that are 1) native, planted species with a wetland status of FAC or wetter; or 2) non-planted, volunteer species with a wetland status of FAC or wetter. 1 1 1 1 I 1 1 C 1 APPENDIX E Photographic Record of Vegetation Plots 1 C\l +r 6 r ^O ^+a;a A 34 0261M ld4 ?r tc'.r ?` ?"y-.,'r.-??,??..awa•??, ? L.S. ?i ?. ? ?:,?."'?-.,.r'..-,. -„ = U ?- _O CL O a; 0 U 4 ? Y t !a ' ? ? i •:.?` f la R?9 r + :'RR c M 0 a) C td E-L M O O a? U