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HomeMy WebLinkAbout20061334 Ver 2_Restoration Plan_20070404• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • r • • • • ~x. P Harrell Stream and Wetland Restoration Plan Edgecombe County, North Carolina SCO Contract No. D05025-1 KCI Project No. 12054239 Prepared for: NCDENR-EEP 1652 Mail Service Center Raleigh, NC 27699-1652 r~ ,~ I!~osystem o c~ - 13 3 ~} V ~ Prepared by: KCI Technologies, Inc. 4601 Six Forks Road, Suite 22(~ ~ ~~~ ~ ~`~' ~~ - ~ ~-~ f!6 Raleigh, NC 27609 ~i~ ~~ ~ ~ '~~ ~~ At'?~~; ~~.;i)i ~~ A ~~ ~~ ~~ ~~ ,; ~. ~~: KCI TECHNOLOGIES Joseph J. Pfeiffer, Project Manager jpfeifferC~kci.com 919-783-9214 Apri12007 Restoration Plan Harrell Stream & Wetland Restoration - EXECUTIVE SUMMARY The Harrell Stream and Wetland Restoration Site is located in the Coastal Plain in Edgecombe County, North Carolina. The project will mitigate stream and wetland impacts within the 8-digit hydrologic - cataloging unit 03020101 in the Tar-Pamlico River Basin by restoring 6,987 linear feet on an Unnamed Tributary to Swift Creek (UTSC) and 15.0 acres of Coastal Plain Small Stream Swamp wetland community. The project watershed drains toward the southeast with a contributing area of approximately 0.69 square mile (441 acres) at the downstream limits of the site. Approximately 387.2 acres drain to the UTSC while 56.9 acres drain to the project wetland site. The surrounding area is predominately rural and has low development pressure at this time. Overall, the project watershed is about 94.6% agriculture, 4.2% forest and 1.2% rangeland. The stream has been channelized and straightened since at least 1948. Currently, the entire site is under agricultural production and the fields are cultivated right up to the top of the stream banks. The existing project stream is 6,338 linear feet. There are no remaining vegetated buffers or in-stream features in the . channel and the banks are nearly vertical. The channel can be characterized as having poor streambed variability and habitat diversity. Two reference reaches were used for this project to develop dimensionless ratios: a headwater reach of • the Mitchell River in Surry County, North Carolina and North Prong Creek in Durham County, North Carolina. The Mitchell River reference site is classified as a "B4c" channel and morphological data from r• this reference stream were used for the design of Reach 1 of the UTSC. The North Prong Creek reference reach was classified as a narrow width/depth ratio CS stream type and was used to design Reaches 2, 3, and 4 on the UTSC. - The proposed wetland restoration site is located northeast of the UTSC and consists of 15.0 acres of - drained hydric soils currently used for agriculture. The area has been ditched and drained since at least 1948 and jurisdictional hydrology no longer exists on the site. The wetland site is adjacent to a forested wetland buffer along Swift Creek and restoration of the site has the potential to increase the amount of connected wetland habitat. A suitable reference wetland was not found for this wetland site. KCI will use the description of a Coastal Plain Small Stream Swamp by Schafale and Weakley as a surrogate vegetative community as needed. The primary goals for this project are: • Protect aquatic resources from excess nutrients, sediment, and other pollutants coming from the agricultural watershed. • • Reestablish a functional Coastal Plain Small Swamp Stream wetland complex that creates terrestrial and aquatic habitat and connects to the existing floodplain corridor along Swift Creek. The objectives that must be accomplished to reach these goals are: . • Restore 6,987 linear feet of stable stream channel with the appropriate pattern, profile, and dimension that can support a sand transport system. • Connect the stream to a functioning floodplain. - • Fill and plug ditches in the drained hydric soils to restore saturated hydrologic conditions for 5% of the growing season. • Plant tree species typical of a Coastal Plain Small Swamp Stream along the UTSC riparian corridor and floodplain as well as in the restored wetland. i Restoration Plan Harrell Stream & Wetland Restoration tree ~ . ~~ ~~. e Reach 1 10+00 - 22+65 Restoration P3 BSc 1,224 1,265 Reach 2 22+65 - 37+30 Restoration P2 CS 1,389 1,465 Reach 3 37+30 - 52+90 Restoration P2 CS 1,231 1,560 Reach 4 52+90 - 79+87 Restoration P2 CS 2,494 2,697 ~:~.. 15.0 Roanoke Restoration Coastal Plain Small Stream Swam Reach 1 will be restored using a Priority 3 approach. At this site, the width/depth ratio will be increased and the bank slopes cut back within the existing channel. A BSc channel will be created with a sinuosity of 1.03 for 1,2651inear feet of stream. Reaches 2, 3, and 4 cover the remainder of the stream and will be restored using a Priority 2 approach. The restoration will establish a bankfull channel with a new floodplain and the design bankfull stage will equal the new floodplain elevation (bank height ratio = 1.0). ACS channel morphology with a sinuosity ranging from 1.05-1.27 will restore 5,114 linear feet of existing stream to 5,722 linear feet of restored channel. In order to further protect the UTSC from agricultural run-off, water quality treatment areas will be installed at the base of the ditches that drain to UTSC. These areas will store and treat a portion of the run-off before it reaches UTSC. The sediment regime in the UTSC is dominated by sand and dune/anti-dune processes need to be allowed to function in order to maintain stability in the channel. If there are impediments to these shifting sand processes, the sand can become more turbulent and form powerful waves throughout the channel. For this reason, a limited number of stream structures will be installed in the restored reaches. Only two riffle grade control structures and three log drop structures will be used throughout the stream. In order to restore the wetland, the existing ditch network will be plugged and filled to block water from leaving the site. Ditch plugs will be placed in the four ditch outlets. In addition to blocking the major outlets from the site, KCI will also recreate wetland microtopography to form small depressions and rises throughout the site that resemble the minor variations found in a natural wetland system. To complete the project, both the stream and wetland sites will be planted with species consistent with a Coastal Plain Small Stream Swamp community. Trees will be planted at a density of 436 trees per acre (10 feet by 10 feet spacing) to achieve a mature survivability of 320 trees per acre. Both the stream and wetland restoration sites will be monitored to evaluate project success. For the stream, monitoring shall consist of the collection and analysis of stream stability and riparian/stream bank vegetation survivability data to support the evaluation of the project in meeting established restoration objectives. The wetland site will be deemed successful once hydrology is established and vegetation success criteria are met. ii Restoration Plan Harrell Stream & Wetland Restoration TABLE OF CONTENTS 1.0 INTRODUCTION .....................................................................................................................1 2.0 PROJECT SITE IDENTIFICATION AND LOCATION ................................................... .1 2.1 Directions to Project Site ........................................................................................................... .1 2.2 USGS Hydrologic Unit Code and NCDWQ River Basin Designations .................................... .1 3.0 WATERSHED CHARACTERIZATION ...............................................................................1 3.1 Drainage Area ............................................................................................................................ .1 3.2 Surface Water Classification/Water Quality .............................................................................. .2 3.3 Geology and Soils ...................................................................................................................... .2 3.4 Historical Land Use and Development Trends .......................................................................... .3 3.4.1 Historical Resources .................................................................................................. .3 3.4.2 Land Use and Development Potential ....................................................................... .3 3.5 Endangered/Threatened Species ................................................................................................ .3 3.6 Cultural Resources ..................................................................................................................... .3 3.7 Potential Constraints .................................................................................................................. .4 3.7.1 Property Ownership and Boundary ........................................................................... .4 3.7.2 Site Access ................................................................................................................. .4 3.7.3 Utilities ...................................................................................................................... .4 3.7.4 FEMA/Hydrologic Trespass .......................................................................................4 4.0 PROJECT SITE STREAMS (EXISTING CONDITIONS) ..................................................4 4.1 General Site Description .............................................................................................................5 4.2 Channel Morphology (Pattern, Dimension, and Profile) ............................................................5 4.3 Channel Stability Assessment .....................................................................................................5 4.4 Bankfull Verification ..................................................................................................................5 4.5 Stream Vegetation .......................................................................................................................6 5.0 REFERENCE STREAMS ........................................................................................................6 5.1 Mitchell River Reference Site .....................................................................................................6 5.2 Mitchell River Watershed Characterization ............................................................................... .6 5.3 North Prong Reference Site ........................................................................................................7 5.4 North Prong Watershed Characterization ...................................................................................7 6.0 PROJECT SITE WETLANDS (EXISTING CONDITIONS) ..............................................7 6.1 Jurisdictional Wetlands ...............................................................................................................7 6.2 Hydrologic Characterization .......................................................................................................7 6.2.1 Groundwater Modeling ............................................................................................. ..8 6.2.2 Surface Water Modeling ........................................................................................... ..8 6.2.3 Hydrologic Budget for Restoration Site ................................................................... ..8 6.3 Soil Characterization ................................................................................................................. ..9 6.3.1 Taxonomic Classification ......................................................................................... ..9 6.3.2 Profile Description .................................................................................................... ..9 6.3.3 Soil Properties ........................................................................................................... 10 6.4 Wetland Plant Community Characterization ............................................................................. 10 7.0 REFERENCE WETLAND .................................................................................................... 10 8.0 PROJECT SITE RESTORATION PLAN ............................................................................ 10 8.1 Restoration Project Goals and Objectives ................................................................................. 10 8.1.1 Designed Channel Classification .............................................................................. 11 8.1.2 Target Plant Communities ........................................................................................ 12 8.2 Sediment Transport Analysis .................................................................................................... 12 8.3 Wetland Hydrologic Modifications ........................................................................................... 13 8.3.1 Narrative of Modifications ....................................................................................... 13 iii Restoration Plan Harrell Stream & Wetland Restoration 8.4 Natural Plant Community Restoration ......................................................................................13 8.4.1 Stream Riparian Planting ..........................................................................................13 8.4.2 Wetland Planting ......................................................................................................14 8.4.3 On-Site Invasive Species Management ....................................................................15 9.0 PERFORMANCE CRITERIA ..............................................................................................15 9.1 Stream Stability .........................................................................................................................15 9.2 Stream Riparian Vegetation ......................................................................................................16 9.3 Wetland Hydrology ...................................................................................................................16 9.4 Wetland Vegetation ...................................................................................................................16 9.5 Schedule/Reporting ...................................................................................................................17 10.0 REFERENCES ........................................................................................................................19 Tables Table 1. Project Restoration Structure and Objectives ....................................................................23 Table 2. Drainage Areas .................................................................................................................. 23 Table 3. Land Use of Watershed .....................................................................................................23 Table 4. Morphological Design Criteria ..........................................................................................24 Figures Figure 1. Vicinity Map ....................................................................................................... ..............27 Figure 2. North Carolina Ecoregions .................................................................................. ..............28 Figure 3. Project Site Watershed ........................................................................................ ..............29 Figure 4. Project Site NRCS Soil Survey ........................................................................... ..............30 Figure 5. Project Watershed Land Use ............................................................................... ..............31 Figure 6. Project Site Floodplain Map ................................................................................ ..............32 Figure 7. Existing Hydrologic Conditions .......................................................................... ..............33 Figure 8. Reference Reach Vicinity Map (Mitchell River) ................................................ ..............34 Figure 9. Reference Reach Watershed (Mitchell River) ..................................................... ..............35 Figure 10. Reference Reach Vicinity Map (North Prong Creek) ......................................... ..............36 Figure 11. Reference Reach Watershed (North Prong Creek) .............................................. ..............37 Stream Plan Sheets Plan Sheet 1 Title Sheet Plan Sheet lA General Notes and Project Legend Plan Sheet 2A Details: Stabilization Plan Sheet 2 Details: Cross-Section Plan Sheets 3-8 Plan and Profile Plan Sheets 15-20 Planting Plan Wetland Plan Sheets Plan Sheet 1 Title Sheet Plan Sheet 2 Site Plan Plan Sheet 3 Mitigation Plan Plan Sheet 4 Planting Plan Plan Sheet 6 Details iv i • i ~; i • • • • • • • • • • • • • i • i • • • • • • i i i • Restoration Plan Harrell Stream & Wetland Restoration Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H Historical Aerial Photographs Correspondence Conservation Easement Project Site Photographs Existing Conditions Data Reference Reach Data Jurisdictional Wetlands Wetland Budget Restoration Plan Harrell Stream & Wetland Restoration vi Restoration Plan Harrell Stream and Wetland Restoration - 1.0 INTRODUCTION The Harrell Stream and Wetland Restoration Site is afull-delivery project developed for the North • Carolina Ecosystem Enhancement Program (EEP) to mitigate stream and non-riparian wetland impacts - within the 8-digit hydrologic cataloging unit 03020101. The project will restore 6,987 linear feet on an Unnamed Tributary to Swift Creek (UTSC) and 15.0 acres of Coastal Plain Small Stream Swamp wetland community. This restoration plan presents the existing site and watershed conditions, the restoration - design criteria, the design summary, and the proposed monitoring protocol. ~ 2.0 PROJECT SITE IDENTIFICATION AND LOCATION - 2.1 Directions to Project Site i The HPRS is part of a 319-acre parcel owned by Mr. Floyd and Mrs. Ernestine Harrell. The site is located approximately six miles northeast of Rocky Mount, North Carolina in Edgecombe County (Figure 1). The latitude and longitude of the project site are 36.0201 North and 77.6807 West (WGS1984). • To reach the site from Raleigh: • Proceed east on U.S. Route 264-East/64-East (US 264E/64E) for approximately 17 miles. Continue on US 64E for another 30 miles. Take the U.S. Route 301 Bypass and then U.S. Route 301 (US 301) north into Battleboro. Turn right on E. Battleboro Avenue, which becomes Battleboro-Leggett Road. Continue - past the first turn onto Morning Star Church Road on the left just outside of town. Go about 5 miles and turn left onto the second Morning Star Church Rd (the road loops around). Go one mile and turn right onto a dirt road opposite Benson Farm Rd. The stream restoration site will begin as the stream exits the - culvert under Morning Star Church Rd. 2.2 USGS Hydrologic Unit Code and NCDWQ River Basin Designations - The Unnamed Tributary to Swift Creek (UTSC) is a second-order perennial stream that flows west to east for approximately 6,338 linear feet once on the Harrell property. The stream drains into Swift Creek approximately SOO linear feet after leaving the project site. • The project site is situated within the 03020101 (Tar-Pamlico O1) Watershed Cataloging Unit (8-digit HUC) and the 03020101130090 Local Watershed Unit (14-digit HUC). It is within the North Carolina Division of Water Quality (NCDWQ) Subbasin 03-03-02. In the North Carolina Ecosystem - Enhancement Program's (EEP) Tar-Pamlico River Basin Watershed Restoration Plan, the Swift Creek watershed has not been identified as a high priority, Targeted Hydrologic Unit. - 3.0 WATERSHED CHARACTERIZATION The project watershed is a small agricultural drainage in the inner Coastal Plain as seen in Figure 2. The surrounding topography is characterized by flat bottomlands and gently rolling hills. The elevation in the - project watershed ranges from 65 to 119 feet above mean sea level. 3.1 Drainage Area The project watershed drains toward the southeast with a contributing area of approximately 0.69 square mile (441 acres) at the downstream limits of the site. The project stream has a total drainage area of 387.2 acres while 56.9 acres drain to the project wetland. The UTSC enters Swift Creek at a point - approximately 7.8 miles upstream of the confluence with the Tar River as seen in Figure 3. The project area is located in the United States Geological Survey (USGS) Whitakers Quadrangle. 1 Restoration Plan Harrell Stream and Wetland Restoration 3.2 Surface Water Classification/Water Quality The NCDWQ assigns surface water classifications in order to help protect, maintain, and preserve water quality. For the water resources classification, Swift Creek, as the receiving waters, was used to characterize the UTSC. The section of Swift Creek just downstream of the project area (28-78-(2.5)) is listed as a Class C and Nutrient Sensitive Water (NSW). The NCDWQ reduced the bioclassification of Swift Creek in 2002 from excellent to good, listing constricted flow as the reason for the downgrade. This reduced flow has led to lower dissolved oxygen levels in the stream. Class C waters are protected for secondary recreation, fishing, wildlife, fish and aquatic life propagation and survival, agriculture, and other uses suitable for Class C. Secondary recreation includes wading, boating, and other uses involving human body contact with water where such activities take place in an infrequent, unorganized, or incidental manner. There are no restrictions on watershed development or types of discharges Nutrient Sensitive Water (NSW) is a supplemental classification intended for waters needing additional nutrient management due to their being subject to excessive growth of microscopic or macroscopic vegetation. In general, management strategies for point and nonpoint source pollution control require control of nutrients (nitrogen and/or phosphorus usually) such that excessive growths of vegetation are reduced or prevented and there is no increase in nutrients over target levels. Management strategies are site-specific (NCDENR, DWQ 2006). 3.3 Geology and Soils The site lies within the Southeastern Floodplains and Low Terraces ecoregion of the Coastal Plain physiographic province. The area is referred to as the inner Coastal Plain and is characterized by more relief than the outer Coastal Plain. The underlying sediments of the site are from the Yorktown Formation and Duplin Formation Undivided. The Yorktown Formation is described as fossilferous clay with varying amounts of fine-grained sand, bluish gray, shell material commonly concentrated in lenses and is found mainly in areas north of Neuse River. The Duplin Formation is described as Shelly, medium to coarse-grained sand, sandy marl, and limestone, bluish gray, mainly in area south of Neuse River (NCGS 1985). The project watershed primarily intersects the soils in the Roanoke-Conetoe-Portsmouth association, which is described as nearly level and gently sloping, very poorly drained, poorly drained, and well- drained soils that have a clayey to sandy subsoil. These associated soils are typically found on broad flats, smooth to slightly rounded ridges, or depressions. The predominant soil series in the project watershed are Altavista fine sandy loam, Cape Fear loam, Dogue fine sandy loam, Norfolk loamy sand, Rains fine sandy loam, and Roanoke loam (Figure 4). Altavista fine sandy loam consists of a brown fine sandy loam surface layer and a sandy clay loam to sandy loam subsurface. The Cape Fear loam has a black loam surface layer and clay loam to sandy clay loam subsurface. Dogue fine sandy loam has a brown fine sandy loam surface and clay to sandy clam loam subsoil. The Norfolk loamy sand series has a brown loamy sand surface and sandy clay loam subsoil. The Portsmouth fine loamy sand has very dark gray fine sandy loam surface layer and sandy loam to sandy clay loam subsoil. The Rains fine sandy loam has a surface layer of very dark gray fine sandy loam and gray sandy clay loam subsoil. The Roanoke loam has a surface of dark grayish brown loam and gray clay to sandy clay loam subsoil (USDA, SCS 1979). 2 . Restoration Plan Harrell Stream and Wetland Restoration - 3.4 Historical Land Use and Development Trends i • 3.4.1 Historical Resources Historical aerial photographs were obtained from the Edgecombe County Natural Resources Conservation Service (NRCS) office in order to more effectively assess the existing site conditions. All available aerial . photographs were reviewed in order to create a chronology of land disturbance. Aerial photographs of the site were obtained from 1948, 1954, 1964, 1971, 1979, 1998, 2002, and 2005 (Appendix A). . In 1948, the northern portion of the stream site contains agricultural land while the southern portion along - the stream is forested. The stream had already been straightened at this point. The wetland area had also been converted to agriculture by this time, which included a series of drainage ditches in place across the site. In 1954, the subject property shows little change from the 1948 conditions. In 1964, the subject property closely resembles the 1954 conditions, but the southwest and southeast portions of the wetland area are forested. In 1971 and 1979, the subject property closely resembles the • 1964 conditions. The entire property has been cleared by 1998 and is under agricultural production. The drainage features • are largely unchanged from the conditions in 1948. In 2002 and 2005, the subject property closely - resembles the 1998 conditions; no significant differences are discernable. The stream channel shows the same observable pattern from 1948 up until its current condition. No - changes in either the stream valley or stream channel within the project area were observed in the historical aerial photographs. Therefore, any alterations to the stream channel occurred prior to 1948. No significant changes have occurred in the project area since 1948. i 3.4.2 Land Use and Development Potential The project watershed is 441 acres in size as seen in Figure 3. The surrounding area is predominately rural and has low development pressure at this time. Overall, the project watershed is approximately 94.6% agriculture, 4.2% forest and 1.2% rangeland based on the North Carolina GAP land use classification using 1992 and 1993 aerial photography (McKerrow 2003). 3.5 Endangered/Threatened Species • KCI requested a formal review by the North Carolina Natural Heritage Program (NCNHP) in July 2005 to - evaluate the presence of any rare species, critical habitat, and priority natural areas on the project site and to determine the potential impact of the proposed project on these resources. In their findings letter dated July 11, 2005 (Appendix B), the NCNHP indicated "no record of rare species, significant natural • communities, or priority natural areas at the site or within a mile of the project area". In addition, no . threatened or endangered species were identified in the project area during the existing conditions site assessment. Also, a formal review by the United States Fish and Wildlife Service (USFWS) was • requested in July 2005, but no correspondence was returned. 3.6 Cultural Resources . To evaluate the presence of significant cultural resources on the subject property, KCI requested a formal review at the North Carolina Department of Cultural Resources, State Historic Preservation Office (SHPO). The formal SHPO review dated July 18, 2005 found no historic properties within the project 3 Restoration Plan Harrell Stream and Wetland Restoration area (see Appendix B). The formal review by the State Archaeology Office identified no potential archaeology sites on or around the subject property. 3.7 Potential Constraints KCI investigated any potential site conditions that could hinder restoration activities. They were documented during the field investigation and are summarized below. 3.7.1 Property Ownership and Boundary The project site is located on a single private property owned by Mr. Floyd and Mrs. Ernestine Harrell of 6444 NC Highway 42, Tarboro, North Carolina, 27886. KCI facilitated the acquisition of a conservation easement to be held by the State of North Carolina on the area identified for stream and wetland restoration. The conservation easement boundary (plat with legal description) has been included in Appendix C. 3.7.2 Site Access There will be one access point to the project site off of Morning Star Church Road at the northwestern corner of the project site. This is a legal access point guaranteed with aningress/egress easement. During the restoration of the stream and wetland components, construction equipment will be able to maneuver up and down the site as necessary. 3.7.3 Utilities There are no utilities located on the project site. 3.7.4 FEMA/Hydrologic Trespass The UTSC and the wetland restoration site are both located within the 100-year floodplain (Zone AE) of Swift Creek and a downstream portion of UTSC is within the floodway of Swift Creek (Figure 6). As such, any modifications that would result in the increase of the 100-year flood elevation would require a Conditional Letter of Map Revision (CLOMR). It is the intent of the restoration design to maintain the existing 100-year flood elevations. A proposed hydrology and hydraulics (H&H) summary will be submitted with a letter indicating that an increase in the 100-year flood elevation is not anticipated (No- Rise Certification). A conditional floodplain model is being developed by using detailed topographic survey from the construction drawings completed for the restoration project. This conditional model will be revised to reflect changes to the channel and floodplain as the result of restoration (proposed model). The proposed project reach is entirely contained within the Harrell property. The restoration of the project reach is not anticipated to produce hydrologic trespass conditions on any adjacent properties. 4.0 PROJECT SITE STREAMS (EXISTING CONDITIONS) A field assessment was conducted in April 2006 to document existing conditions and to aid the ~ development of an appropriate design for the stream restoration. The existing stream channel, ditches, • ponds, wetland, and drained hydric soils at the project site are illustrated in Figure 7 and documented in - the site photographs (Appendix D). Observations and collected data are summarized below and presented in Appendix E. The site was revisited several times from April 2006 to January 2007 to take further 4 ~~ - Restoration Plan Harrell Stream and Wetland Restoration ~-~ ~_ ~ - measurements. Portions of the ditch network are displayed on the USGS quadrangle as a blue line stream, but a consultation with the North Carolina Division of Water Quality indicated that only the main channel of the UTSC was a jurisdictional waterway (see Appendix B). 4.1 General Site Description - The UTSC flows from west to east and drains approximately 387 acres of agricultural land into Swift Creek. The stream begins from a ridge at the top of the small watershed and flows for approximately 1,700 feet through farmland until the project reach begins. The project begins at Station 10+00 as the i stream exits a culvert that goes under Morning Star Church Road. It then travels through agricultural - fields on the Harrell property. Once the UTSC leaves the project boundary, it travels approximately 500 linear feet through a forested bottomland before reaching Swift Creek. • The existing project stream is 6,338 linear feet and has been ditched extensively since at least 1948 as seen in historic aerial photographs. There are no remaining vegetated buffers or in-stream features in the channel. The banks are nearly vertical and are cut up to the top of the bank for agricultural production. • Several culverts convey water under agricultural crossings. At this time, sediment, nutrients and • agricultural chemicals have direct access to the watercourse and can be deposited directly into Swift Creek. Fine sediments from the eroding stream banks and inputs from adjacent agricultural fields are also affecting water quality. The channel can be characterized as having poor streambed variability and - habitat diversity. 4.2 Channel Morphology (Pattern, Dimension, and Profile) ~ A Rosgen Level III assessment was conducted to collect existing stream dimension, pattern, and profile data and determine the degree of channel instability. Channel cross-sections and profiles were surveyed at ten representative locations along the UTSC. Bed materials were sampled with pebble counts at seven • of these ten locations. Data developed from these surveys are presented in Appendix E and a summary of existing channel morphology is shown in Table 4. - 4.3 Channel Stability Assessment A qualitative stability assessment was performed to estimate the level of departure from a stable stream - system and to determine the likely causes of channel disturbance. The UTSC is deeply incised as it enters the Harrell Property from the culvert under Morning Star Church Road. Cross-section #1, which is approximately 830 feet downstream of the beginning of the project, had • a bank height ratio of 1.8 at the time of assessment. Further downstream, cross-sections #2 through #7 had bank height ratios ranging from 1.4-1.8. The stream has eroded down to a clay bottom and does not have regular access to the floodplain. Starting at Cross-section #8, the channel is not as incised and has - bank height ratios from 1.0 to 1.2. The existing channel slope also decreases in this reach as the stream • nears the end of the project. At the end of the project, the UTSC is affected by backwater from Swift Creek and has received large sediment deposits during storm events. - 4.4 Bankfull Verification The standard methodology used in natural channel design is based on the ability to select the appropriate . bankfull discharge and generate the corresponding bankfull hydraulic geometry from a stable reference • system(s). The determination of bankfull stage is the most critical component of the natural channel design process. 5 Restoration Plan Harrell Stream and Wetland Restoration Bankfull can be defined as "the stage at which channel maintenance is most effective, that is, the discharge at which moving sediment, forming or removing bars, forming or changing bends and meanders, and generally doing work that results in the average morphologic characteristics of the channels" (Dunne and Leopold 1978). Several characteristics that commonly indicate the bankfull stage include: incipient point of flooding, breaks in slope, changes in vegetation, highest depositional features (i.e. point bars), and highest scour line. The identification of bankfull stage, especially in a degraded system, can be difficult. Therefore, verification measures were undertaken to facilitate the correct identification of the bankfull stage on the UTSC. To verify bankfull stage at UTSC, regional hydraulic geometry relationships (regional curves) were used. Regional curves are typically utilized in ungauged areas to approximate bankfull discharge, area, width, and depth as a function of drainage area based on interrelated variables from other similar streams in the same physiographic province. Regional curves and corresponding equations from Harman et al. were used to approximate bankfull in the project reach (1999). Based on the regional curves, a bankfull discharge and cross-sectional area of 62 ft3/s and 15 ft2 would be anticipated at the bottom of the project reach. 4.5 Stream Vegetation Currently, there is no riparian vegetation at the project site. Agricultural fields are farmed right up to the top of bank along the entire length of the stream. 5.0 REFERENCE STREAMS A reference reach is a channel with a stable dimension, pattern, and profile within a particular valley morphology. Reference reaches are used to develop dimensionless morphological ratios (based on bankfull stage) that can be extrapolated to disturbed/unstable streams to restore a stream of the same type and disposition as the reference stream (Rosgen 1998). Two reference reaches were used for this project: a headwater reach of the Mitchell River in Surry County, North Carolina and North Prong Creek in Durham County, North Carolina. 5.1 Mitchell River Reference Site A headwater reach of the Mitchell River was surveyed by the North Carolina State University Water Quality Group in February 2003. The reference site is located in the northwestern portion of Surry County as seen in Figure 8. The reach was classified as a B4c channel at this location and morphological data from this reference stream were used for the design of the upper portion of the UTSC. The water surface slope and dimensions at this reference reach made it suitable for developing dimensionless ratios for the upper portion of UTSC. Morphological data are presented in Table 4, but no representative cross-sections, profile, or pebble counts were available. 5.2 Mitchell River Watershed Characterization The watershed for the Mitchell River headwater reach is located in Alleghany and Surry counties in northwestern North Carolina (Figure 9). It is part of the 14-digit hydrologic unit code 03040101080010 in the Yadkin River Basin and the NCDWQ subbasin 03-07-02. The 6.0-square mile watershed is approximately 92% forest and 5% rangeland (McKerrow 2003). The UTMR is located in the Southern Crystalline Ridges and Mountains ecoregion in the Blue Ridge physiographic province. Elevations in the watershed range from 1,470 to 3,148 feet above mean sea level. 6 • Restoration Plan Harrell Stream and Wetland Restoration ~ 5.3 North Prong Reference Site Astable section of North Prong Creek, a second order stream located in Durham County, was selected as • the reference reach for the downstream portion of the restoration project (Figure 10). Approximately 400 - linear feet (20 bankfull widths) of North Prong Creek were surveyed by KCI in October 2002. This reach has a sediment regime similar to the UTSC. Likewise, the valley slope (0.23% compared to 0.24% at the project site) and sediment distribution (d50 of 0.2 mm compared to 0.4 mm) of the reference site are very - similar to that of the project site. North Prong Creek is located in the Piedmont instead of the Coastal Plain physiographic region, but no other appropriate CS reference was found in the Coastal Plain. - The North Prong Creek reference reach was classified as a narrow width/depth ratio CS stream type. • Collected morphological data as well as representative photographs of the reference site are provided in Appendix F. The measured morphological variables and dimensionless hydraulic geometry relationships developed to facilitate the restoration design are provided in Table 4. 5.4 North Prong Watershed Characterization • North Prong Creek is located in southern portion of Durham County, North Carolina and is in the 14-digit hydrologic unit 03030002060140 within the Cape Fear Basin. The stream was surveyed just upstream of the point where it drains into Northeast Creek. The watershed for North Prong Creek contains approximately 3.15 square miles (Figure 11). It is found in the NCDWQ 03-06-OS subbasin. The - reference reach is located in the Triassic Basins ecoregion in the Piedmont physiographic province. The portion of the stream used as a reference is found approximately 1,500 feet northwest of the • intersection of Interstate 40 and State Highway 55. The elevation in the reference reach watershed ranges • from approximately 258 to 408 feet above mean sea level. ~ 6.0 PROJECT SITE WETLANDS (EXISTING CONDITIONS) The proposed wetland restoration site is located northeast of the UTSC and consists of 15.0 acres of drained hydric soils currently used for agriculture (Figure 7). A series of drainage ditches runs through • the proposed wetland site and it drains everything to the east, which inhibits the formation of saturated conditions on the site. The area has been ditched and drained since at least 1948 and jurisdictional hydrology no longer exists on the site. The wetland site is adjacent to a forested wetland buffer along • Swift Creek and has the potential to increase the amount of Coastal Plain connected wetland habitat. 6.1 Jurisdictional Wetlands • A wetland delineation was performed at the site in June 2006 using the methods set out by the US Army Corps of Engineers (USAGE 1987). There were no existing wetlands except for those that had formed in the bottoms of the drainage ditches (Appendix G). The US Army Corps of Engineers (USAGE) issued a - permit allowing these wetlands to be filled, because the site will be returned to a functioning wetland. 6.2 Hydrologic Characterization • There is a system of drainage ditches throughout the wetland project site as seen in Figure 7. These waterways drain both surface and groundwater from the site and have allowed agriculture to take place despite the poorly drained soils and flat site topography. 7 Restoration Plan Harrell Stream and Wetland Restoration 6.2.1 Groundwater Modeling The numerous modifications to the hydrology of this area have effectively drained the wetland. The development of a network of ditches up to three feet deep has halted the influence of flooding on the area. The effect of ditching on wetland hydrology was evaluated in DRAINMOD using: the NRCS model Map Unit Users File (MUUF) for Roanoke soil; the daily rainfall and daily maximum and minimum temperatures for Rocky Mount and Tarboro for the period from 1950 to 2004 (National Climatic Data Center); and the Edgecombe County growing season (21 March to 11 November). This analysis concluded that the existing ditch network has removed jurisdictional hydrology from the evaluated areas. 6.2.2 Surface Water Modeling KCI performed an analysis of surface water inputs in order to differentiate between riparian and nonriparian wetlands. The floodplain boundaries from DFIRM maps developed by the North Carolina Floodplain Mapping Program were used to interpolate the extent of the Swift Creek 5-year floodplain. This analysis showed that the 5-year floodplain from Swift Creek extends to 74 feet above mean sea level in this location. This elevation defined the boundary of the nonriparian wetland restoration site for this project. 6.2.3 Hydrologic Budget for Restoration Site Existing Conditions Existing site hydrology was modeled by developing an annual water budget that calculates hydrologic inputs and outputs in order to estimate the change in storage on a monthly time step (Appendix H). In order to set up the water budget, historic climatic data were obtained from the North Carolina State Climatic Office. The weather station Tarboro 1 S (318500) in Tarboro, North Carolina was used, because it is the nearest station with daily precipitation and temperature records. The station is located approximately 12 miles to the southeast of the Harrell Site. Monthly precipitation totals from the entire period of record (1948-2005) were reviewed and three years were selected to represent a range of precipitation conditions: dry year (1988), average year (1977), and wet year (1989). Potential inputs to the water budget include precipitation, groundwater, and surface inputs. For precipitation, the data from the three selected years were used in the budget. Groundwater input likely exists, but was considered negligible in comparison to the magnitude of surface and precipitation inputs. Surface water input was calculated using the USDA Soil Conservation Service (SCS) runoff curve number equation (USDA, SCS 1986). Outputs from the site include potential evapotranspiration (PET), groundwater, and surface water outlets. PET was calculated by the Thornthwaite method using mean monthly temperatures determined from the chosen years of record: 1988, 1977, and 1989. Groundwater represents losses from the site due to downward seepage through the soil profile and was assumed to be 2x 106 ft/min (1.04 inches per month), which is typical of low permeability soils associated with wetlands. A substantial amount of water is also lost through the existing ditches on-site. A DRAINMOD model was set up to simulate the effect of the existing drainage network on wetland hydrology. The program evaluated 40 years of available precipitation data and produced the annual loss due to the ditches for the three selected years. Once the inputs and outputs were determined, a net monthly total was calculated in inches and used to estimate a yearly water budget. The model assumes unsaturated conditions at the beginning of the year. A maximum wetland water volume of 4.68 inches was calculated based on the specific yield of 0.13 for 36 inches of Roanoke soil in order to analyze conditions in the upper three feet of the soil profile. The Restoration Plan Harrell Stream and Wetland Restoration - resulting hydrographs for the average, dry, and wet years show a seasonal pattern. The model shows that the majority of hydrologic inputs to the site come during the rainy spring months. The site begins to lose saturation in the upper twelve inches in the summer months. The late fall sees an increase in hydrologic • inputs again. The dry year shows very little wetland hydrology overall. Proposed Conditions A modified water budget was developed to analyze the effect of restoration actions on the site hydrology. . The loss of water from the existing ditches was removed from the calculations, because these ditches will be filled and no longer carry water off the site. To estimate the impact from recreating wetland microtopography, an additional two inches of hydrologic capacity was added to the calculations. Based - on these changes, the budget shows a noticeable increase in the spring. In particular, the wet year has • wetland hydrology throughout almost the entire year. The dry year does not show much change from the existing to proposed budget, which indicates that during a drought year the wetland may not experience consecutive saturated conditions expect during the first months of the growing season. The normal year - is predicted to have saturation during the earlier part of the growing season with occasional dry periods during the late summer months. • 6.3 Soil Characterization A soils investigation at the proposed wetland restoration site was conducted by a certified soil scientist - from KCI to determine the extent and distribution of the hydric soils and to classify the predominate soils - to the soil series level. The investigation consisted of delineating the hydric soil boundaries with pink flagging in accordance with the US Army Corps of Engineers (1987). Areas that were identified as possible hydric soil mapping units were surveyed at a higher intensity until the edge of the mapping unit - was identified. The boundary of the hydric and non-hydric soil mapping units were then followed by continual sampling and observations as the boundary line was identified and delineated. In those areas where the boundary was found to be a broad gradient rather than a distinct break, microtopography, . landscape position, soil textural changes, redoximorphic features, and depleted matrices were additionally - considered to identify the extent of the hydric soils. To develop a detailed soils map, several soil borings were advanced on the site in the general hydric soil . areas identified by landscape position, vegetation and slope. Once the hydric soil borings were identified, the soil scientist marked the point and established a visual line to the next auger boring where again hydric soil conditions were confirmed by additional borings. The soil scientist moved along the edges of - the mapping unit and marked each point along the line. To confirm the hydric soil mapping unit, soil - borings were advanced to a depth of 50 inches. The soil profile descriptions identified the individual horizons in the topsoil and upper subsoil as well as the depth, color, texture, structure, boundary, and - evidence of restrictive horizons and redoximorphic features. The extent of the mapped hydric soils is - shown in Figure 7. 6.3.1 Taxonomic Classification - The soil type at the wetland restoration site is Roanoke loam series, which is classified as a fine, mixed, semiactive thermic Typic Endoaquult. - 6.3.2 Profile Description The Roanoke loam series is described as a poorly drained silt loam that forms in fluvial sediments on . stream terraces. The series consists of very deep, slowly permeable or very slowly permeable soils that have a moderate shrink-swell potential. Slopes are typically 0 to 2 percent. Mapped areas of the Roanoke series in Edgecombe County range from 4 acres to more than 100 acres. Typically, the surface layer is 9 Restoration Plan Harrell Stream and Wetland Restoration dark grayish brown loam and 8 inches thick. Organic matter content is medium and there is also a high available water capacity in the surface layer. The seasonal high water table is at or near the surface. The subsoil is typically 44 inches thick with gray clay loam in the upper portion, gray clay in the middle part, and gray sandy clay loam in the lower area. The underlying material up to 90 inches is gray coarse sand (USDA, SCS 1979). The series is listed by the Natural Resource Conservation Service (NRCS) as a hydric soil. 6.3.3 Soil Properties The Roanoke series has a saturated hydraulic conductivity from 0.06 to 2.0 inches/hour. The percent organic matter is approximately 0 to 2.0°Io and the bulk density is in the range of 1.20 to 1.65 g/cc (USDA, SCS 1979). 6.4 Wetland Plant Community Characterization The wetland restoration site is currently under seasonal agricultural production. There is no wetland vegetation in the farmed area. The bottoms of the ditches do contain hydrophytic species such as cattail (Typha latifolia), water primrose (Ludwigia spp.) and knotweed (Polygonum spp.), but there are no woody species within the restoration site. 7.0 REFERENCE WETLAND A suitable reference wetland was not found for this project. KCI contacted several landowners with potential reference wetland sites, but none were willing to allow their land to be used for an initial survey and groundwater monitoring. KCI will use the description by Schafale and Weakley as a surrogate vegetative community as needed (1990). 8.0 PROJECT SITE RESTORATION PLAN Approximately 6,987 linear feet of stream and 15.0 acres of Coastal Plain Small Stream Swamp wetland will be restored at the Harrell Site. The restored stream and wetland will provide a buffer between the existing functioning wetlands along Swift Creek and the agricultural activities in the local watershed. 8.1 Restoration Project Goals and Objectives The ecological diversity and water quality at the Harrell Site are significantly limited under the existing conditions. This project aims to restore terrestrial and aquatic habitat and to improve water quality by reestablishing stable fluvial geomorphic features, wetland hydrology, and native Coastal Plain vegetation. The primary goals for this project are: • Protect aquatic resources from excess nutrients, sediment, and other pollutants coming from the agricultural watershed. • Reestablish a functional Coastal Plain Small Swamp Stream wetland complex that creates terrestrial and aquatic habitat and connects to the existing floodplain corridor along Swift Creek. The objectives that must be accomplished to reach these goals are: • Restore 6,987 linear feet of stable stream channel with the appropriate pattern, profile, and dimension that can support a sand transport system. • Connect the stream to a functioning floodplain. 10 _ _ _. Restoration Plan Harrell Stream and Wetland Restoration - • Fill and plug ditches in the drained hydric soils to restore saturated hydrologic conditions for 5% of the growing season. • Plant tree species typical of a Coastal Plain Small Swamp Stream along the UTSC riparian corridor and floodplain as well as in the restored wetland. 8.1.1 Designed Channel Classification - The UTSC has been channelized and extensively disturbed as a result of agricultural use. Both Priority 2 - and Priority 3 approaches will be used to restore this stream. The division of reaches and priority types can be seen in Table 1. Reach 1 extends from Stations 10+00 to 22+65, which is the first 1,2241inear feet of existing channel. A Priority 3 approach was used within the existing stream corridor and belt width with adjustments made to the stream pattern and dimension (Rosgen 1997). The width/depth ratio will be increased and the banks . sloped back to establish the appropriate entrenchment ratio for the design channel. A BSc channel will be created with a sinuosity of 1.03 for 1,265 linear feet of stream. The Mitchell River Headwaters provided the reference morphological criteria and hydraulic geometry relationships from which the proposed - design was based (Table 4). Reaches 2 (22+65-37+30), 3 (37+30-52+90), and 4 (52+90-79+87), which cover the remainder of the stream, will be restored using a Priority 2 approach (Rosgen 1997). This method involves reestablishing - a natural profile, planform, and cross-section on the existing channel elevation. The restoration will create a bankfull channel with a new floodplain and the design bankfull stage will equal the new floodplain elevation (bank height ratio = 1.0). The new channel will meander within an approximate belt - width of 45 to 100 feet as determined by criteria from the reference reach. Grading will be conducted to • establish a floodplain and the appropriate cross-sectional area. A total of three stream crossings will be maintained for the landowner to allow access across the easement to agricultural lands. ACS channel morphology with a sinuosity ranging from 1.05-1.27 will restore 5,114 linear feet of existing stream to • 5,722 linear feet of restored channel. North Prong Creek was the reference site used to develop the morphological criteria and hydraulic geometry relationships that were the basis for the proposed stream dimension, pattern, and profile. • The sediment regime in the UTSC is dominated by sand (Appendix E). In a predominantly sand system, the bed is mobilized during storm events, because small sand particles move during turbulent flow. Typical pool and riffle features do not exist in a sand system. Instead, these features shift as sand dunes - build up and break down throughout the channel. The dune/anti-dune processes maintain stability in the channel. If there are impediments to these shifting sand processes, the sand can become more turbulent and form powerful waves throughout the channel. For this reason, a limited amount of stream structures - will be installed in the restored reaches. Both Reach 2 and Reach 3 will receive one riffle grade control structure, which will stabilize sections of the profile where the channel will need to be built up to a certain elevation. Three log drop structures will be placed in Reach 3; these structures are designed to provide • grade control and stability (refer to the details on Stream Plan Sheet 2). The log drop structures will also • be more typical of in-stream habitat found in a small Coastal Plain Small Stream Swamp complex. In order to promote dune/anti-dune processes in the channel, a graveUsand starter bed will be installed over the existing clay bed in reaches 2, 3, and 4. Approximately 0.2 foot of pea gravel overlaid with 0.3- 0.5 foot of sand will be placed in the channel. The profile will be constructed 0.5-0.7 foot lower to accommodate this increase in elevation once the starter bed is in place. • Seven agricultural ditches will still flow into the UTSC. >n order to improve the quality of the ditch drainage entering the stream, water quality treatment areas will be constructed within the new floodplain. ll Restoration Plan Harrell Stream and Wetland Restoration These areas will consist of shallow depressions that will slow and treat water before it enters the stream. These features are shown in Stream Detail Sheet 2. The inlet and outlets to the water quality treatment areas will be strengthened with rock stabilization. A depression of six inches or less will be graded to provide storage and treatment of the ditch run-off before it reaches the UTSC. A total of six water quality areas will be installed along the UTSC where ditches join the stream. A larger channel that enters the stream from the southwest corner of the project will not receive a water quality treatment area. This straightened channel receives drainage from an approximately 100-acre watershed and has an intermittent flow regime. An in-line detention structure would influence the flow characteristics of the channel and therefore the channel will remain free-flowing. A vegetated riparian buffer will be established adjacent to this feature within the easement boundary. All of the water treatment areas will be planted with native species as described in Section 8.4.1. Coir fiber matting, seeding, and mulching will be used to provide temporary stabilization on the newly graded stream banks and live stakes will be planted to provide long-term rooting strength. 8.1.2 Target Plant Communities The design vegetative community for both the restored wetland and the UTSC is a Coastal Plain Small Stream Swamp (Brownwater subtype) as described by Schafale and Weakley (1990). This community type fits into the natural topography of the project watershed. The Coastal Plain Small Stream Swamp is characterized by a variable canopy, which can be dominated by combinations of bald cypress (Taxodium distichum), water tupelo (Nyssa aquatica), and various bottomland hardwoods such as swamp chestnut oak (Quercus michauxii), Shumard oak (Q. shumardii), chen ybark oak (Q. pagoda (falcata var. pagodaefolia)), laurel oak (Q. laurifolia), black oak (Q. nigra), willow oak (Q. phellos), sweetgum (Liquidambar styraciflua), sugarberry (Celtis laevigata), sycamore (Platanus occidentalus), river birch (Betula nigra), green ash (Fraxinus pennsylvanica), black willow (Salix nigra), and swamp cottonwood (Populus heterophylla). Understory species include American hornbeam (Carpinus caroliniana), Carolina ash (Fraxinus caroliniana), American holly (Ilex opaca), and red maple (Acer rubrum). 8.2 Sediment Transport Analysis The UTSC is asand-dominated system and sand channels have a unique transport process where particles are suspended in the water column during turbulent flows. During fully turbulent flow, all of the sand can move, but this is rarely the case. In partial transport scenarios, there is a complex relationship between the sand being suspended and the sand slowly depositing back on the bed. Sand streams have thick plane beds during low flow conditions. Bed variations (pools) only result from scenarios (i.e., objects in the stream) that would induce local scour. At high flows, dunes form and they move downstream by eroding their faces and re-depositing downstream. At bankfull flows, these dunes can wash out causing the plane bed to reform at a lower elevation with the volumetric difference in sediment moving downstream in suspension. During extreme conditions, standing waves can form, and the undulations can extend to the clay streambed forming anti-dunes. The migration of anti-dunes upstream consequently forces the waves with them. In the proposed restoration, this process provides the mechanism by which sediment transport will occur and provide bed heterogeneity. Sand channels must have adequate capacity to allow dunes to form and move. This design capacity is related to the available sediment supply. The agricultural nature of the watershed and the existing sediment sampled in the channel suggest the availability of sufficient sediment to support this design system. These "reference transport conditions" were limited in the project stream but are quite common and visible in many stable and quasi-stable channels in the Coastal Plain. The shape of the rigid streambed and the thickness of sand in the reference sections serve as the criteria for the design of the 12 • Restoration Plan Harrell Stream and Wetland Restoration restoration reaches. The hydraulics of similar sections associated with the sand beds allows for scaling of the parameters for the restored reaches. The design channels in Reaches 2 - 4 will be a CS type with silt/clay banks. The channel will be - excavated approximately 0.5-0.7 foot below the finished grade elevation and backfilled with a small graveUsand bed (0.2 foot graveU0.3-0.5 foot sand) providing the mechanism for the dune formation. The dunes will serve as the primary resistance in the channel until vegetation establishes. The starter bed will - allow for normal dune function immediately following construction and will help to prevent bed degradation and erosion. The design slope associated with the pattern layout has been sized to accommodate the sand transport processes. As has been previously discussed in Section 8.1.1, several rigid structures have also been designed to serve as grade control and compliment the sand channel design. 8.3 Wetland Hydrologic Modifications The restoration of wetland hydrology will focus on removing the ditch network that drains off all excess surface water and groundwater within the upper horizons. The restoration actions are shown on the • Wetland Plan Sheets. 8.3.1 Narrative of Modifications To restore the wetland, the existing ditch network will be plugged and filled to block water from leaving the site. Ditch plugs will be placed in the four existing ditch outlets. At the downstream end of the wetland site, arock-stabilized outlet will be installed to prevent the channel from reforming. In addition • to blocking the major outlets from the site, KCI will also recreate wetland microtopography. The site will - be graded to form small depressions and rises throughout the site that resemble the minor variations in elevation found in a natural wetland system. These modifications will allow precipitation and overland flow to remain on the wetland site. The removal of the ditches will also raise the groundwater level. 8.4 Natural Plant Community Restoration - 8.4.1 Stream Riparian Planting On the restored stream banks, live stakes will be used in conjunction with the native herbaceous seed mix - to provide natural stabilization. Appropriate species identified for live staking include: Silky dogwood Corpus amomum Black willow Salix nigra i Elderberry Sambucus canadensis A herbaceous seed mix composed of the appropriate native species will also be developed and used to - further stabilize and restore the riparian and bank zones. Riparian plantings shall consist of native woody species. KCI will plant 436 stems per acre (10 feet by 10 - feet spacing) to achieve a mature survivability of 320 stems per acre. Plant placement and groupings will - be randomized during installation in order to develop a more naturalized appearance. Woody vegetation planting will be conducted during dormancy. Species to be planted in the floodplain area will consist of at least five of the following: • River birch Betula nigra Beautyberry Callicarpa americana 13 Restoration Plan Harrell Stream and Wetland Restoration Sugarberry Persimmon Green ash Sycamore Swamp chestnut oak Willow oak Possumhaw viburnum Celtis laevigata Diospyros virginiana Fraxinus pennsylvanica Platanus occidentalis Quercus michauxii Quercus phellos Viburnum nudum Species to be planted in the riparian area leading up from the floodplain may consist of the following: Shagbark hickory Carya ousts Black walnut Juglans nigra Southern red oak Quercus falcata 8.4.2 Wetland Planting Plantings shall consist of native species commonly found in Coastal Plain Small Stream Swamp communities and will be planted at a density of 436 trees per acre (10 feet by 10 feet spacing) to achieve a mature survivability of 320 trees per acre. Plant placement and groupings will be randomized during installation in order to develop a more naturalized appearance. Woody vegetation planting will be conducted during dormancy. Tree species to be planted at the wetland site may consist of the following species. Trees from Zone A will be planted in the lowest, wettest areas of the wetland near the former outlet. Species from Zone B will likely cover the largest area and consist of a mixture of obligate and facultative species that will do well in fluctuating water levels. Zone C trees will be planted upper edges of the wetland. Zone A Water hickory Carya aquatica OBL Green ash Fraxinus pennsylvanica FACW Water tupelo Nyssa aquatica OBL Bald cypress Taxodium distichum OBL Possumhaw viburnum Viburnum nudum FACW+ Zone B Green ash Fraxinus pennsylvanica FACW Water tupelo Nyssa aquatica OBL Laurel oak Quercus laurifolia FACW Swamp chestnut oak Quercus michauxii FACW- Willow oak Quercus phellos FACW- Possumhaw viburnum Viburnum nudum FACW+ Zone C Beautyberry Callicarpa americans FACU- Laurel oak Quercus laurifolia FACW Swamp chestnut oak Quercus michauxii FACW- Cherrybark oak Quercus pagoda FAC+ Willow oak Quercus phellos FACW- 14 • Restoration Plan Harrell Stream and Wetland Restoration - 8.4.3 On-Site Invasive Species Management Currently, there are no invasive species present at either the stream or wetland restoration sites, because - both are under agricultural production. No management actions are anticipated at this time. - 9.0 PERFORMANCE CRITERIA Both the stream and wetland restoration sites will be monitored to evaluate project success. For the - stream, monitoring shall consist of the collection and analysis of stream stability and riparian/stream bank vegetation survivability data to support the evaluation of the project in meeting established restoration objectives. Specifically, stream success will be assessed utilizing measurements of stream dimension, • pattern, and profile, site photographs, and vegetation sampling. The wetland site will be deemed • successful once hydrology is established and vegetation success criteria are met. 9.1 Stream Stability The purpose of monitoring is to evaluate the stability of the restored stream. Following the procedures established in the USDA Forest Service Manual, Stream Channel Reference Sites (Harrelson et. al 1994) and the methodologies utilized in the Rosgen stream assessment and classification system (Rosgen 1994 - and 1996), data collected will consist of detailed dimension and pattern measurements, longitudinal profiles, and bed materials sampling. - Dimension Fourteen permanent cross-sections will be established and used to evaluate stream dimension. One pool and one riffle cross-section each will be installed on Reach 1. Reaches 2, 3, and 4 will have three, four, - and five cross-sections, respectively. Permanent monuments will be established by either conventional survey or GPS. The cross-section surveys shall provide a detailed measurement of the stream and banks, to include points on the adjacent floodplain, at the top of bank, bankfull, at all breaks in slope, the edge of . water, and thalweg. Subsequently, width/depth ratios and entrenchment ratios will be calculated for each • cross-section. Cross-section measurements should show little or no change from the as-built cross-sections. If changes - do occur, they will be evaluated to determine whether they are minor adjustments associated with settling and increased stability or whether they indicate movement toward an unstable condition. . Pattern • Measurements associated with the restored channel pattern shall be taken on the section of the stream included in the longitudinal profiles. These will include belt width, meander length, and radius of curvature. Based on these values, sinuosity, meander width ratio, radius of curvature, and meander • length/bankfull width ratios will be calculated. Profile i A total of 3,000 linear feet of profile will be surveyed along the restored stream. Longitudinal profiles . will be conducted on SOO linear feet of Reach 1. An additional 2,500 linear feet of profile measurements will be completed along reaches 2, 3, and 4. Measurements will include average water surface slopes for - all of the reaches as well as pool and riffle slopes and pool-to-pool spacing for Reach 1. Annual • measurements should indicate stable bedform features with little change from the as-built survey. Bed Materials . Pebble counts will be conducted at each representative cross-section for the purpose of repeated classification and to evaluate sediment transport. 15 Restoration Plan Harrell Stream and Wetland Restoration Photograph Reference Points Photograph reference points (PRP) will be established to assist in characterizing the site and to allow qualitative evaluation of the site conditions. The location and bearing/orientation of each photo point will be permanently marked in the field and documented to allow for repeated use. Cross-section Photograph Reference Points Each cross-section will be photographed to show the form of the channel with the tape measure stretched over the channel for reference in each photograph. Effort will be made to consistently show the same area in each photograph. Longitudinal Photograph Reference Points Additional PRPs will be located as needed to document the condition of specific in-stream structures such as log drop structures. 9.2 Stream Riparian Vegetation KCI will monitor vegetation for five years following the first growing season. The success of the riparian buffer plantings will be evaluated using eighteen (2% of the total buffer area) ten by ten meter vegetative sampling plots. The corners of each monitoring plot will be permanently marked in the field. Data will be collected at each plot for: total number of stems, species, percent survival, height, estimated percent cover of all species, and evidence of insects, disease or browsing. Additionally, a photograph will be taken of each plot and will be replicated each monitoring year. Riparian vegetation must meet a minimum survival success rate of 320 stems/acre after five years. If monitoring indicates that the specified survival rate is not being met, appropriate corrective actions such as controlling invasive species, removing dead/dying plants and replanting will be undertaken. Non-target species must not constitute more than 20°Io of the woody vegetation based on permanent monitoring plots. 9.3 Wetland Hydrology Groundwater elevations will be monitored to evaluate the attainment of jurisdictional wetland hydrology. Verification of wetland hydrology will be determined by automatic recording well data collected within the project wetland. Within the restoration area, four automatic recording gauges will be established to cover a density of one automatic well per four acres. Daily data will be collected from the automatic gauges over the 5-year monitoring period following wetland construction. Wetland hydrology will be considered established if well data from the site indicate that groundwater is within 12 inches of the soil surface for 5% of the growing season during normal weather conditions. The growing season was taken from COOP Station 318500, which is located in Tarboro in Edgecombe County. According to the NRCS, the growing season is considered to be the period with a 50°Io probability that the daily minimum temperature is higher than 28° F. The growing season for Edgecombe County extends from March 21 to November 11 for a total of 235 days (USDA, NRCS 2002). Based on this growing season, success will be achieved at the project site if the water table is within 12 inches of the soil surface for 12 consecutive days or more during the growing season. 9.4 Wetland Vegetation The success criteria for the planted species in the wetland restoration area will be based on survival and growth. Beginning at the end of the first growing season, KCI will monitor vegetation for five years following the planting. 16 Restoration Plan Harrell Stream and Wetland Restoration Twelve permanent monitoring plots measuring ten by ten meters will be established in the wetland restoration area ensuring a 2% monitoring coverage of the total restoration acreage. Plots will be systematically located to ensure even placement. Data will be collected at each plot for: total number of stems, species, percent survival, height, estimated percent cover of all species, and evidence of insects, disease or browsing. Survival of planted species must be 320 stems/acre at the end of five years of monitoring. Non-target species must not constitute more than 20% of the woody vegetation based on permanent monitoring plots. Management actions such as controlling invasive species, removing dead/dying plants and replanting will be undertaken as necessary. 9.5 Schedule/Reporting The first scheduled monitoring will be conducted during the first full growing season following project completion. Monitoring shall subsequently be conducted annually for a total period of five years. Annual monitoring reports will be prepared and submitted after all monitoring tasks for each year are completed. The report will document the monitored components of the restoration plan (hydrology and vegetation) and include all collected data, analyses, and photographs. Each report will provide the new monitoring data and compare the most recent results against previous findings. The monitoring report format will be similar to that set out in the most recent EEP monitoring protocol. Variations from the designed stream and wetland can be anticipated due to unknown site conditions, inputs from outside the restoration site, regional climatic variations, or acts of God, etc. Regular management activities will be implemented as necessary to ensure that the goals and objectives of the project are met. These activities will be conducted throughout the year and may include invasive species control or other management activities. If the monitoring identifies failures in the project site, a remedial action plan will be developed to investigate the causes of the failure and propose actions to rectify the problem. 17 Restoration Plan Harrell Stream and Wetland Restoration 18 Restoration Plan Harrell Stream and Wetland Restoration 10.0 REFERENCES Dunne, T. and L.B. Leopold. 1978. Water in Environmental Planning. New York: W.H. Freeman and Company. Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-1, U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS. Harman, W.A., G.D. Jennings, J.M. Patterson, D.R. Clinton, L.O. Slate, A.G. Jessup, J. R. Everhart, and R.E. Smith. 1999. Bankfull Hydraulic Geometry Relationships for North Carolina Streams. Wildland Hydrology. AWRA Symposium Proceedings. Edited by D.S. Olsen and J.P. Potyondy. American Water Resources Association, Bozeman, MT. Harrelson, C.C., C.L. Rawlins, and J.P. Potyondy. 1994. Stream Channel Reference Sites: an Illustrated Guide to Field Technique. Gen. Tech. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. McKerrow, A. 2003. North Carolina GAP Land Cover. Raleigh, North Carolina: North Carolina Gap Analysis Project Office. NCDENR, Division of Water Quality. 2004. Tar-Pamlico River Basinwide Water Quality Plan. http://h2o.enr.state.nc.us/basinwide/tarpam2004. html NCDENR, Division of Water Quality. 2006. Surface Water Classification. http://h2o.enr.state.nc.us/csu/index.html NCGS. 1985. Geologic Map of North Carolina. Rosgen, D.L. 1994. A Classification of Natural Rivers. Catena 22: 169-199. Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books. Rosgen, D.L. 1997. A Geomorphological Approach to Restoration of Incised Rivers. In: Wang, S.S.Y., E.J. Langendoen, and F.D. Shields, Jr. (Eds.). Proceedings of the Conference on Management of Landscapes Disturbed by Channel Incision. Rosgen, D.L. 1998. The Reference Reach - a Blueprint for Natural Channel Design. Presented at ASCE Conference, Denver, CO. Schafale, M.P. and A.S. Weakley. 1990. Classification of the Natural Communities of North Carolina, 3`d Approximation. North Carolina Natural Heritage Program, NCDEHNR, Division of Parks and Recreation. Raleigh, NC. United States Department of Agriculture, Natural Resources Conservation Service. 2002. Wetlands Determination Table (WETS) for Edgecombe County, NC. Created 10123/2002. Last accessed September 2006 at ftp://ftp.wcc.nres.usda.gov/support/climate/wetlands/nc/37065.txt United States Department of Agriculture, Soil Conservation Service. 1979. Soil Survey of Edgecombe County. Raleigh, NC 19 Restoration Plan Harrell Stream and Wetland Restoration United States Department of Agriculture, Soil Conservation Service. 1986. Urban Hydrology for Small Watersheds. Technical Release 55. 20 w • • • • Tables 21 22 Table 1. Project Restoration Structure and Objectives Harrell Stream Restoration ltesrh Stttfrain Rr+tl~e Itettoratiou T;5 pe ~~r' EY19ting Linear Designed i.l#e~C Comrnents .. A roach Foota a Footage Connects to downstream Reach 1 10+00 - 22+65 Restoration P3 1,224 1,265 crossing and culvert Connects to upstream Reach 2 22+65 - 37+30 Restoration P2 1,389 1,465 crossing and culvert Begins where large ditch enters the stream and ends Reach 3 37+30 - 52+90 Restoration P2 1,231 1,560 at downstream crossing and culvert Reach 4 52+90 - 79+87 Restoration P2 2,494 2,697 Connects to upstream crossing and culvert Table 2. Drainage Areas Harrell Stream Restoration Drainage Area Reach (acre) Reach 1 (Beginning to first road crossing) 125.9 Reach 2 (First road crossing to confluence with major ditch 147.1 Reach 3 (From confluence with major ditch to second road crossin 271.3 Reach 4 (From second road crossing to end of project) 387.2 Table 3. Land Use of Watershed Harrell Stream and Wetland Restoration Land Use Acreage Percentage of Watershed A riculture 419.9 94.6% Forest 18.7 4.2% Ran eland 5.3 1.2% Wetland 0.2 0.0% 23 Table 4. Morphological Design Criteria EXIS TING Ref. Ref, PROPOSED Reach Reach Variables MitcheD North UTSCl UTSC2 UTSC3 UTSC4 River Prong UTSC 1 UTSC 2 UTSC ~ UTSC 4 HW Creek Rosgen Stream Type ES ES ES ES B4c CS BSc CS CS CS Drainage Area (miz) 0.197 0.230 0.424 0.605 6.0 3.04 0.197 0.229 0.424 0.605 Bankfull Width (W b~) (ft) 5.4 6.1 7.6 9.5 29.2-35.0 17.8 10 10 12 13.4 Bankfull Mean Depth (db~)(ft) 1.3 1.3 1.6 1.5 2.0-2.1 1.5 0.9 1.1 1.4 1.6 Bankfull Cross Sectional Area 7 3 7 8 11 6 13 8 62 5-68 8 26 2 1 9 11 2 16 8 21 6 Z Ankr ft . . . . . . . . . . Width/depth Ratio (Wbk,ldb~) 4.1 4.8 5.0 7.0 13.9-17.5 12.1 11.1 9.1 * 8.6* 8.4* Maximum Depth (d,,,b~) (ft) 2.0 1.9 2.7 2.5 2.7-2.8 3.0 1.4 1.6 2.0 2.3 Width of Flood Prone Area >70 >70 >70 >60 44-64 600+ 18+ 30+ 30+ 30+ (W a ft Entrenchment Ratio (ER) 13.0 1 I.1 9.5 7.2 1.3-2.2 33.7 1.8+ 3.0+ 2.5+ 2.2+ Water Surface Slope (S) (ft/ft) 0.004 0.007 0.006 0.0023 0.0084 0.0024 0.0067 0.0023 0.0023 0.0023 Sinuosity (stream length/valley 1 *^ 1 ** 1 ** 1 ** 1.1 1.28 1.03 1.05 1.27 1.08 len h K Pool Depth (ft) ** ** ** ** 2.7 *** 1.5 *** *** *** Riffle Depth (ft) ** ** ** ** 0.9-1.2 *** 0.9 *** *** *** Pool Width (ft) ** ** ** ** 27 *** 11 *** *** *** Riffle Width (ft) ** ** ** ** 8.7-12.3 *** 10 *** *** *** Poo1XSArea(sf) ** ** ** ** 72.5 *** 16 *** *** *** Riffle XS Area (sf) ** ** ** ** 62.5-68.8 *** 9.1 *** *** *** r o Pool Depth/Mean Riffle ** *• ** ** 1 3-1 4 *** 1.7 *** *** *** e De th . . v F Pool Width/Riffle Width ** ** ** ** 0.9 *** 1.1 *** *** *** A PoolArea/RiffleArea ** ** ** ** 1.1 *** 1.8 *** *** *** Max pool depth/dbkr ** ** ** ** 2.0-3.5 *** 2.7 *** *** *** Low Bank Height/ dmbkt 2.74 2.30 2.64 1.69 - 3.0 1 1 1 1 Mean Bankfull Velocity 3.27 3.97 3.96 2.20 3.2-5.3 3.1 3.3 2.7 2.7 3.2 V s Bankfull Discharge (Q) 24 31 44-51 20-31 280 83 25-30 25-30 40-45 65-70 (cfs Meander length(Lm)(ft) ** ** ** ** 140-500 94-143 50-200 100-200 120-240 130-260 Radius of Curvature(Rc) ** ** ** ** 70-220 37-40 30-80 30-50 40-60 40-70 ~ (ft Belt Width (Wb„) (ft) ** ** ** ** 100-400 158 45-65 45-60 60-100 50-90 0. Meander Width Ratio ** ** ** ** 3.0-14.0 8.9 4-10 4-10 4-10 4-10 R,/Wbkt Ratio ** ** ** ** 2.0-7.5 2.1-2.3 3-8 3-5 3-5 3-5 Lm/ W bkf Ratio ** ** ** ** 4.0-17.1 5.3-8.0 5-20 10-20 10-20 10-20 Valley Slope 0.004 0.003 0.002 0.0014 0.009 0.0023 0.0069 0.0024 0.0029 0.0025 Average Water Surface 0 004 0 007' 0 006 0.0023` 0.0084 0.0024 0.0067 0.0023 0.0023 0.0023 Slo e . . . Riffle Slope ** ** ** ** 0.007- **• 0.0085 *** *** *** 0.027 Pool Slope ** ** ** ** 0.0-0.003 *** 0.003 *** *** *** Pool to Pool Spacing ** ** ** ** 115-400 *** 74-228 *** *** *** ** ** ** ** *** *** *** *** 0. Pool Length - 26-60 Riffle Slope/AvgWS ** ** ** ** 2 0 8-3 *** 1.27 ^** *** *** Sloe . . Pool Slope/Avg WS ** ** ** ** 0 01-0 3 *** 0.45 *** *** *** Sloe . . Pool Length/ W ekf ** ** ** ** - *** 2.6-6.0 *** *** *** Pool to Pool ^* ** ** ** 1.5-3.8 *** 7.4-22.8 *** *** *** S acin bkf the wtdttVdepth ratty ~S lower than that typ~Cal of a C type stream, but the channel has been designed with greater depth to accommodate me tom7at~On of a dune/anu-dune sans system. ** The existing stream has been channelized and does not have a natural meander pattern with distinct pool and riffle features. *** Sand streams are not characterized by riffle and pool features, but rather by adune/anti-dune system. + Stream slope exceeds valley slope in reaches that are experiencing base lowering more rapidly than the existing valley gradient. 24 Figures 25 26 I Hillcross ti~ Q Q 97 / HALIFAX BERTIE NASH EDGECOMBE MARTIN o .n._ P a ~~ w °h WILSON PITT ~~~ .~.~~~~^ Figure 1. Vicinity Map I ~~ ~~ Project Site Location H /~/ Major Streams and Rivers W~E nssocl,lres off Nc Municipalities s 1:63,360 Roads 1 inch equals 1 miles TECHNOLOGIES 1 05 ~ I ENVN70NMENTAL TECHNOLOGIES M11eS /WD CONSTRUCTION, INC. 2/ Edgecombe County, North Carolina .~"f~-~. ~,..., p~ ~~ ~ _ ate, - _ _ ~~ `\ ~ u~t ' ' _ ~ yr£' q~ ~ffi . i' - ~ ~ ~ ~ NORTHAMPTON ' ) ', -~ HERTFO 1. •'r I HALIFAX j ~-- I~~ ~~~~\ FRANKLIN NASH ' - B / - - ~~~~~~_~ 7lw i- _ i i EDGECOMBE _ - I MARTIN WAKE __ j ~ WILSON \~` I ( -. . . = ,_ \ ~ ,~ ~ } ~ ~ `~\ r _ ~., ~ JOHNSTON ~, :~ North Carolina Level IV Ecoregions \ ~ ~ Mid-Atlantic Plalwonds WAYNE ~ ~ ~ ~ Mid-Atlantic Floodplains and Low Terraces -- ~' ~ Northern Outer Piedmont ~,~ ~~ - ~~~~. ~~`' ~ - ~~- ..__ ~~ ~~ ~' ~ Rolling Coastal Plain -~- i - ~~ ~ -- LEN Southeastern Ploodplains and Low Terraces Figure 2. North Carolina Ecoregions ~i~ ~~~ ~~ N ~~ KCI ~{ Slte LOC8t1O1] "'~ E A`;SOCIATES OF NC County Boundaries 1:633,600 1 inch equals 10 miles - TECHNOLOGIES Io s o Io ~ ENVf20NMENTAt TECHNOLOGIES M11eS AND CONSTRUCTION. INC. 28 . ~ li u` t` `•Y. ,j'':: 1c~~.~ if \ ~ 1~i C! ~ r _ V ,.;,. l t' cp ~` t r`. g . ~~ ~ ' ~. S ~ ~,IL~! _ir' -~ti r~ * ~~ I ~ ~ ~ -~ rl Y n .r ~t : ~ . ~ ~, ` _-, r %'S.~. r I,` ~ ' ~'. .. `~ ~ ~ t~ ~ to ~~ S'ra t~~."~ ~" '. `, t t I ~ '~ ~„.t ~ yr; _ ,~. ss• .-- ~ i ~\. jti ~`_. li~l1. ~~`' 3o- :i i ~ `,~,/ ~~ ~ ,. i~ ~"'.'_-~~°. ~~a. i` ~ , ,' ~, ~~ _ 1 < , , .. - `'y r `'Y ~ ' --' ;,.~ t~ ~ - ) ltd ` I ~~~~ f~ - ` i _ " ~~ ? ~"-fi"~~k : /may ~ ~'~{ ` ` .-.'".s :"';~"~+t st ~ I` I I ~ _ 4 ) ~ L ~` `t r ~ ~~nvr~oc~r I• I '~ _ ` ,:: _ 1M ~ . R .; 8L • t ~. ~ ,i--'I I. i` . t ff.' L_ _- ,17 ( ` 1 .. /' ~ ~. ~ Pix deb/~~~{~C, ` .. j - ~`;-- ~ . 1 1 _ ,~ i ~._./ ' ~ ~" .fL y .y ~ ~ @. f ~ Figure 3. Project Site Watershed ~~ ~~ Stream Project Boundary ~~ Wetland Project Boundary N K C I ... ~ssoctnT~s of r.c ~ ~ Stream Project Watershed (387.2 acres) W~ L ~ ^ ~ 1 f^^r^ • Wetland Project Watershed (56.9 acres) s "' ^ r 1:24,000 14-digit HUC Boundaries 1 inch equals 2,000 feet -~ TECHNOLOGIES 2,000 ~.Ultt1 ~ 2.00 ENVIRONMENTAL TECHNOLOGIES Source: USGS Topographic Quadrangle Whilukcrs (1961) Feet AND CONSTRUCTION. INC. 29 Soil Series _~ AaA -Altavista Fine Sandy Loam, 0 To 3 Percent Slopes ~ NoB -Norfolk Loamy Sand, 2 To 6 Percent Slopes ~~ Ca -Cape Fear Loam ~ NoC -Norfolk Loamy Sand, 6 To 10 Percent Slopes CeB - Conetoe Loamy Sand, 0 To 4 Percent Slopes ~ Pt -Pits - DgA - Dogue Fine Sandy Loam, 0 To 3 Percent Slopes ~ Pu -Portsmouth Fine Sandy Loam ® DpA -Duplin Sandy Loam, 0 To 2 Percent Slopes ~ Ra -Rains Fine Sandy Loam _ DpB -Duplin Sandy Loam, 2 To 5 Percent Slopes ~ Ro -Roanoke Loam GoA -Goldsboro Fine Sandy Loam, 0'I'o 2 Percent Slopes StB -State Loamy Sand, 0 To 4 Percent Slopes - MaA -Marlboro Sandy Loam, 0'I'o 2 Percent Slopes WaB - Wagram Loamy Sand, 0 To fi Percent Slopes Ma6 -Marlboro Sandy Loam, 2 To 6 Percent Slopes We - Wahee Fine Sandy Loam ~~~ Figure 4. Project Site NRCS Soil Survey ~~ ~~ ~~ Stream Project Boundary " K C I Wetland Project Boundary w~e ~>ux t.>rF~<~F ~~ Project Watershed s 1: I s,ooo ~` 7 ~` [, I inch equals 1,250 feet ~~ TECHNOLOGIES t'250 F?$ (l I?50 EMIIRONMEMAL TECNNOLOCIES Saurce: Sui! Sun~rr u/ Edgecomhr Cm+n~', USDA SCS 1979 Feet ANO CONStRIICTiON, INC. 30 Vt N F n m ~o x ~ _~: # 9 ^ ^ to i; rr s NI ^ w~ r } ~, Figure 5. Project Watershed Land Use ~~ ~~ ® Agriculture ~ Project Watershed ~~ Rangeland ~ Project Site Boundary N K C I ASSCX:I~ITES ()F N(: w c Forest Project Stream 5 I~J Wetland ~~ Other Streams L 18,000 I inch equals 1,500 fcct -~ I,S00 7SO O 1,500 ENVIRONMENTAL IECHN TECHNOLOGIES $,,,n <<..N~ ~An tn,,,, cn,~~. o,,,,T,,-, Feet AND CONSTRUCTION, INC. Using .9 ndrrson l Cln.c.cifieution 31 t ~ ..ZONE j&' ZONE X~• ~ b .~~~~lA r.4 t'sl °,~~~'~~~r~d'+~~# ~~~. :'I. ZONE*AE ~ "" ,~ t"°, , ~ ~. w ~+lr~ ,~,~ ,/„e~~`a~} ~aC~ 8r 4 M, ~/ ,. ~ ~ p~~^ ZONE X .'~~'. .... "_,~,..,~,~.~_ "~4 ,,~ .~e ~.~~~~~w ~ E • ~I '~. \/ . .ZONE. X. ~ ~ .4 ~~r "~m~ ~+d'.t'~` ~° ~° +y?~~i%~,~~t ZONE X ZONE !'t ZONE AF „~ „tA~E ~.~{-~ ~'~" ~, •n ~ #' 't,~~, FI ~ ~~ I J, V - - • ~ ~ r °'~~~ } #a ;lea !i~ ~s X FFpr,• ..,tiles ~ -'-t 1 '~~~. ~ ~ _ ,W~,. ~~~ r~~~~4~ • ,~s :~ l ~•~- r~ , ,~ .~. ,,ZONE •X .... •k~~. .. .. .... .. .... `°'~`~'Y' ~~ ~ ZONE X ,'. ` .. ~ ... i, .~.~ ~#~'Ni,~ • ~ ~ ... . ~., ZONE X" ~. ' ` "~""~'r•r.' i . ~ ,'ZONE. X . -~~r~,.~.~ ~`~.~e,;e'~ ~' ZONE X w r a . "' ~~ + ~ t< ~'-s .t ~~ ~ ~ rr~.`r Figure 6. Project Site Floodplain Map ~~ Special Flood Hazard Arca . ~ Zonc X (Arca of 0.2°6 annual chance flood; areas of 1°~~ annual ISuhicct to inundation by chance Hood with average depths of Icss than I foot or the I "16 annual chance Good) with drainage areas less than I square mile; and areas protected by levees from I"6 annual chance flood) floodway Areas in Zonc AE N i»t~i 1:11.1 ~ (tl '~~. Stream Project Boundary w~ r s 1:8,400 _ [~ Wetland Project Boundary 1 inch equals 700 feet ~~ T~CF~NOLOGICS 7OO 3SO U ~QQ ENVIRONMENLAI IECHNOtOGIES Sonr'ce: FEMA Panels 3NN?, 3NN?, 3N9?, and 3N93 Feet aao CoNSraucnori Mc 32 33 Reference Stream Surry County, NC Ash ~L. Project Stream Edgecombe County, NC `a ~~. I j m I D Sr2 I !~ ,1U r~ ~~ e ~ -~ ~ SORRY g ~e R~d9 `~ ~ ~ ~ ~l ~~ ~ couNTY ~ ; ~ ~,~ m'_ G~ 0 l roc J ~ ,om c ~ o `-__ ~B~ooks ~ ~ I 3 jd leeµ , ~ ~ p G ~SrG i q ~c ~ lG ~o~e ~ ALLEGHANY ~,-~"~ ~~~s a COUNTY ~ °~ .Y>~>- ~ t„/~, e,.-°°"'`` y / C e ]__ ~ ~ ~itche~l f` Reference ,""~' Reach Location s % ~ 2' ~ ~ ea ~ ~ ~_ Ridge ;' ~~ Q-: _ \ - ~ u w r gr ' ` _ x ~7 N ~ G~ . ~P o °o 1 ~o~ ~ yi I ~ ~' ~~ ~ Lyons / WILKES G+ F~ COUNTY ~" ,~ " Wolfe O~ ~ vjarxF~ ~;:., ... Figure 8. Reference Reach Vicinity Map (Mitchell River) ~~ ~~ ___- Reference Reach • ~~ Project Location -- Roads w~ E ,Ati50ClATES OF iyC~. ^~ Major Streams and Rivers I :63,360 County Boundaries L inch equals I miles SU COUn Miles ENVIRONMEMAL TECHNOLOGIES TECHNOLOGIES ~ m' ry l 0.5 0 l ~~~ AND CONSTRUCTION, INC. 34 r/. / // ..-- ..~ ,.,.... 1 i ai ~ ) ~ - r ~ 1 .. __ -~f ~ ~ _ _. ~' ))) ~ ._ ,. , v~ ~ 7 ~~i ~'~ x'"41 ~ ~ ~/ 'w i ~'~ ~ ~ _ "' '-f,I~ _ ~ ~ d ~ ~1 _- ~~ f : ` - ~ T - ~) C I^ R b.9-a ~/ ~/ _ `c-.~rPtip'~ I t I ^ `.b ~! ~r is ~ ~ ~, -- - f ~~ / ~ ~~ / ~~~ /~ ~s~i", ~,L ~ r~ \' ~,~ „ - ' (~ '` ~~ -~ ~ ~~J .% ~ , irk ~ .~ /1 `~.~. _ ' .. " 3.~ . ~ rte; ~ '~ ~ / ~ ~..-.,_s ~ ua `` -_~ i {Ir ~ j~ II T( ~;`. , ~~~t r ,''~ (. r~ _, i : , ~-. '~ j ~I `\`......_~__ ~S~ r ~r ~ - ' i lr '.~S' ,'. ~ ti ~ ~~ ,._~.V r ~ ~. 1 ~ //(''' } ~ ti 1 _. ` ~~ ~C' -=~- /t ice- _ I~,~ n d~j ^' .;-. -, it ~d ~ ~'. !. ~~ ~ ~ // '% ~ ~ ~~r!~~ ~ ~1 ~ ~ ~ /r ~ ~~ ~ ~~ / ~~ j~r ,. ~' -" c ~ - ~ .~-~ M1~ 1 ~ i / yam.- ~ ~rO~.~( /_ _ r i 1` .Tiff \_~~ `~Jl ~ ~'ll~~/~ r ~ ~ l V /.~`l l~~ /~J,r II /%' / ~ / ~\t _- ~ ~ ;r~2B1.e ~„ li I i r/'; /--~~. 1 :,'yi r'~'/ "\J<' -~\it~ ~ \..i~~rrl - /" .P... \ \` y_ ~ -!. _ -.v ~ /i i VVV ~ ~ ~f ~~ ~ ~ C .~~ ~-~ ! ~'\ f J r r i I I ~~ ii ~ r.~'Jf`~r~/y~! ~r_ ~r . I ~ I" `J ~.i' 1 ~ Y~ 1 /_ ~~~ t'E-_~ .~ -' ~ \~f J ~ e, I I ~ ~Y~ ~ r~~G.~f ~f J f f/.~~ /t~,__ ~ I ~ I `4 `Yi i \~/~ !t ~ \;.. }ft ~. ~I _~~ '~...~~- \~•. i tl I ~ ;~1Vli~ 1. t~ t ~~+{ `~1 z~c. ~~ ~, , 1. ~ ~ ~:_~ ~l r - - _ t ~, ~ / ~ + n 4, ` - ~ -_ e w ~ ~ 75 ~, J ~ ~ ~i//,/ Jr ~ ~ , ~ _ `~ -_ ,~ t ~'/; ~ 11//rS7 yam` rr ~~ r ~ - ) )/~~ ( , ' ~' / ~~•~ ~ ~~. ~ ~ ~ ~ ' IFT" '' _~ k tea.`- ~~ !"r~ ~ p~ ~J t ~/r. ~ ~ `'~~ ., 4 r ,1 _. _ ~ ~~~' ~~ Figure 9. Reference Reach Watershed (Mitchell River) ~~~ ~~~ ~~ ~~ ~~ Project Watershed K C I 14-digit HUC boundaries w~ E ASS<X7ATE5 OF NC s I :30,000 1 inch equals 2,500 feet 2,500 1,250 0 2,500 ~~ TECHNOLOGIES Feet ENVIRONMENTAL TECHNOLOGIES AND CONSTRUCTION, INC. Smu~ce: USGS Topugruphic Quadrmrgles, Gladr 1h1/eY (1 J6NJ and Roaring Gap (l97/J 35 Reference Stream, ~ ~ ~ ~ - , ~ - ~~~ Durham County, NC ~ mot' ~yi l-J~~j) A _ ~- ~,. ' ~~+, ill f1: II ~ ~ • Project Stream ~~ i ~i_1~ ~ __ _ •_ Lam' ~ , rat Edgecombe County, NC :'~_/~ ~ j ' ' ~~' ~ e~ ~ i ,~_ ~~ ~_: e - ~ ~~ ~ _ : ~ •. ti ~ ~ -~_ }} -~~._,_ __ ~ I ~~ 751 Cit of Durham -' I•,! /"ear ~ ~ _, f Y ' `i1 , _. _ \~ ,< ~ F ~r F~r_;- I _ _~ \ ~. 4. --- ~z ~/- r _,Vy~~ _~ ,r I • t • T ~ -- ~ r _ ~ . ~~. ;~ ~ ,< ~ ~ - + \ ~ '. r _ ~ ~ ~ _ Reference ~ ~ _ _ F-- _ i '~~ - Reach Location 7~ ~~ `~' ~ ~~ r..~ ~ --C ~~ _ ~ ~ _ ~~ i i~ t- ~ ~ s ~ ~ I~ ,y~ 1 • ; i - - _~ ~ ~. ~~ i ~ ~ / _. ' , 1, ;~i _.~ i ~.- ___ ~. ~ ti~ ~ ;' \.I ~ r~~ -~-. ,~ ~ • ~~ ,: ~ i ___. .. ! ~~.--yj " ~--~C~C I `! ~ ~.._ ~ ~ i i I • ~ f jl ~ ,~ . i ~ ~ i ~ ~ • ~ ~ 54 ~~ ,, ~ ~ I i ,._ ;' ~; ~ l . i~ ~ ~ i '~ i ~----~ .~ ~ J - ~,, ~. -. -- i ' ~~ / .. , DURHAM * . Y ,, 1 ~ ~ ;' i , ~ COUNTY • ~ C> • CHATHAM ~ ~ - ~' o COUMT " _. ~- % ~~ ~ ~~ WAKE ~~~ '~ Jordan ~ ~ Lake j • ~~ COUNTY ~ ~ , i ~_ ~ ~, z r 0 Figure 10. Reference Reach Vicinity Map (North Prong Creek) ~~ ~~ Municipalities ~ Reference Reach ~~ Counties ~ Project Location K w~ ~ 4S5(~CIATES OF NC. Durham County ^~ Major Streams and Rivers Major Roads S Lakes and Reservoirs 1:63,360 (~ T~~ Other Roads 1 inch equals 1 miles ~~`~~~ `~~~~~~~ ~ ~~~ 0 (Miles ENVIRONMEN~HNOLOGIES AND CONSTRUCTION, INC. 36 i ~~`' ~. 1~r , 1 '+ f A l I ~~i~ ~ ` ~ 4~c- ~~ ~' lyr s ~ t.ilgrr ~ .„~~ ~l ~ sNx rb F ~F = ~~dN.~'~-_K~" ~~_ _r7 ~ ~ * - '~ ~`~ . ~ 4 ~ ~r _ '~' 9~ , f,^ • ~ . V •, .x i ~ `~~ `~' ''~' a _ i, t i ~ li i r l ~ --~ jig ~ ~ ~ ~4' ~~ ~~ F~ ~~ Figure 11. Reference Reach Watershed (North Prong Creek) ~~ ~~ ~s Reference Reach Watershed Boundary K C I 14-digit HUC Boundaries ~ ,~sscx:>ArES of vc w~E l :36,000 1 inch equals 3,000 fect ~~ TECHNnLOGIES SOUrCP. USGS Toj7ographie Ql(aCII'al7gle, 3+~~~ 1+500 ~ 3,~1)~ ENVIRONMENTAL TECHNOLOGIES Southwest Durham !98! Feet ANO CONSTRUC710N, INC. 37 38 Stream Plan Sheets ~~~. \ ., . 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V) ~~ J~Z Op ~U O ~ w H Z p > 00 w ~ J oQW G ~1 N O i rti >F~ m ?~ a w Hi LL W~ ~ U ~ Wi ? y W~ W M ~ p W~ ¢¢ x 2 Q > W N i y ~ ~~ ~~ ~ZJ d' ~ Z W W ,-li ~ ~ ~~ ~ N J {c m W~ j Q ~LL m 1 ~ mN fG Q W Z Z D ~ ~il ~ s m a C F~gg~ N ~ ~ ..0-.l m v ~ ~ ..0 -.L O ~ Ja x F `- i "" J W e w ~ v a o~ a w y LL ..~ U ~a H h W r-I Q f=d U W ~ ~ ~a .Ta e Q F ~ ~. ; OfpN a z v J a o ~ ••••••••••~•~•••••••••••••••••~•••••••s••••• Appendix A. Historical Aerial Photographs 1948 1954 • ,. ti ,. �r.�'� � Y +7 1964, r„ 197Pon 1 • •� ...�r' •1". s.__— ` ,.A+�... • et % ...,,yam • QW,, , ,y • ..�" ate'. 1r ''N"�::. Harrell Historic Aerials 1948 to 1971 • KCI " E ASSOUAHS OF NC Project Site Boundaries 5 1:18,000 I inch equals 1,500 feet TECHNOLOGIES 1,500 750 0 1,500 ENVIRONMENTAL TECHNOLOGIES Source USDA Nalural Resource Conservation Service Feet AND CONSTRUCTION. INC. • -~ .. _, ~' Harrell Historic Aerials 1979 to 2005 w~E Project Site Boundaries s i : i a,ooo I inch equals 1,500 feet 1,500 750 0 TECHNOLOGIES sou,~r. Lso.~:,-~ru,Ufae,<,u,~~c~,,.,~„~~;~,,,5~.,,;<<, E~ .=---. ~~~ ~~ ~ ~~ ~ KCI • a~?i>t tat C~ Of ~~ isoo - FCCt ENVIRONMENTAL TECHNOLOGIES AND CONSTRUCTION. INC - Appendix B. Correspondence ~...~iw~ ~v. ®~.~ ~~. ~~.. ~ Jam.... K ~ ~ ~-.tic~E\f{R~ • ~i(f2~Flt7k~ • ~tIF\TflIS • ~.tt1~i(ztl{I~t\ '~~,~~>i;IHS it t PiSt?Lt~ ,lE~ ~ • ., .c Jule ~. 2t)OS I~4s. Renee Gledhill-Earley Environmental Kevic~~ Coordin~-tor - SNPC) ~(i 17 4~1ai1 Service Center Raleigh, NC ?7(i99-4617 Attn: Juliana Hoekstra Subject: (:'ulrirral Resources Revie~~ f Jarrell Stream and Wetland Restoration Project Project Number I SOS-4?39 Ucar f~9s. HoeksU-a: Please accept this infer-nation pertaining to the proposed i Jarrell Stream and V1~`etland Restoration Project. ~+hich is located tft1~ of ~1ur-iing Star Road appro~inrrtel~ cis miles northeast of Rock}~ Mour-t in Edgeco-nbc County, as a suhmittal 4or cultural resources revietic by tlye State I Jistoric Preservation C)ftice. r1 portion of this prupe--t~ (refer to attached layout) is currently under investigation as a stream and wetland rector.-tion project tiar the North Carolina Ecos~~stem F,nhancement Program. The current land use in the project area includes predominantl~~ Agricultural Crop Fields Forest with small patches of Coastal Plain C)ak t3ottoniland Forest according to the ?[lU; NC GAP land ci7ver dataset. The restoration «ould improve water quality and provide greater protection ti-r aquatic ecosystems tom surroundi-ig agriculri-ral lands. This type of ~yi>rk t~picall~~ involves enhancing streams to create more natt-r~-~ and stable channels through minor grading. use of in-stream rock features, reforestation of riparian buffers. and restoration of ~tietland h~clrolog~. An old spoil berm will also he removed, 4~~hich is currently a barrier to flooding. No inipact~ to structures on the subject prope--t~~ are anticipated. E~u(lou~in~~ the re~ie~~ -~f the in~:ludud di~cim~entation, plc;asc provide a determination res~arding and potential impacts to cuhura) resources associated ~~ ith this project. Please feel tree to co-~t~-ct me at t91 y) ?$3-~~_' 1 ~, ext. 1 X11, should }ou have any questit-ns or require and Jiu-ther inti~rniation to pruce,s this request. Thank you in advance for }Four astiistance and attention. Sincerely. !Michael F3. Sclile~~el Project 1~1ana~~er E;CI t~[~t H~I~I.t~ti11.S ~.~ ,~ ~.~ ~.r i 1 t,nt .~ srt+rt 4 - • ~'et~v.w„„r` North Carolina Department of Cultural Resources ~ State Historic Preservatioti Office Peter 13. tiandbtck, iWmmistratar - 19ichacl I . I~:a.<kp, t ~trrcmur (Jf6cc of Art hive~a stud ! liatar Li>bctEt t: }{~ tn~, ~ccrctan I)tc-is~on t~f Iitsroritai Rt c7urcc& ~eS4rt }~ ~ t'run, ot~un firctct~r3 Darid Bmok, I~iiCCC01 July 1 S, 2{)05 Michael I3. Schlegel ~ KCI Technologies Landmark Center lI, Suite 220 4601 Six Forks Read Raleigh, NC 27609 ~ Re: I Iarrell Stream & Wetland Restoration, # 12054239, F.dgecombe County, ER 05-1536 • Dear Mr. Schlegel: Thank you for ~~our letter of )uly 5, 2005, concerning the above project. We have conducted a review of the proposed undertaking and are aware of no historic resources which mould ~ be affected by the project. Therefore, we have no comment on the undertaking as proposed. 'l'he above comments are made pursuant to Section 106 of the h3ational Historic Presentation ~~ct and the ildvisorv Council on Historic Preservauods Regulations for Compliance with SectYOn 106 codified at 36 CFR fart 500. "I~hank t~csu for ~~our cooperation and consideration. If you have questions concerning the above comment, contact~Renee Clledhill-I~aarlcy, eni~ironmental rei~iew coordinator, at 919J733-4763. In alI future ~ communication concerning this project, please cite the above referenced tracking number. Sincerely, titer Sanclbeck - i • l.aeation Mailing Addrtss TekptsonrJFaz AL7MINISTRATION 5u? h Rfr~unt Stzces, Ralcig#r VC: 4(1? Mail ~entite {;enter, Kaleilh lriC 27Gt~I-All? ~i39)733-4763 `733.8153 I2EST(TRATI©3'd 515 N 133nunt Strcrt, tta3nKlt tiC AC,7 h1ai1 5errtcc Gcntcr, Ralc~;lr !vC 2?f,99-AC,1? (91x))''33-GSA7j7i5-A~3I 51aR1'EY & PLA.'+INING 51 a ?~: 131„uni Strre6 Ra3es8h, Nt. AL1'. Rlail ScrvCe Center, RaicS~,h Nt~ 27149 41}7 (919)?33~6Sd5,'it5~48i); • ~~ ,.~..~^ ~i.~.r ~r h~t~tvEttt~ S-~-i~ it~«tt~ Sc tt:~. ~ t~ i ~, C~~~~r Kr ~ i ~~7~ ~i~~.~c;t tz; July 'i, 200 Linda Pearsall, Progr--n Head North Carolina Natural Heritage Program 1601 Mail Service (_"enter Raleigh. NC 27529 Subject: Natural Heritage Revie~~ F{arrell Stream and ~~'etland Restoration Project Pr« ject Numher 1205423 [.)ear Ms. Pearsall: Please accept this ir~formatiun pertaining to the proposed Harrell Stream and Vb'etland Restoration Project, ~~17ic1~ is located otf of 'Morning Star Raad approximately six miles northeast of Rocky Mount in Edgecamhe C"ount~. as a submittal t~~r natural comnumities and rare species review by the North Carolina Natural Ieritage Program_ A portion of this prcpe--t~ (refer to attached layout) is currently ander investigation as a stream and wetland restoration project fir the North Carolina Ecosystem F,nhancement Program. The current land use in the project area includes predominantly Agricultural Crop Fields with small patches of Coastal PIS-in Oak Btrtto-~~land (-crest according to the 2003 NC GAP land cover dataset. The restoration v,ould improve eater qualit} and provide greater protection for ayuatic ecosystems from surrounding agricultural lands, This type of ~a~ork typicall}~ involves enhancing streams to create more natural and stable channels through miner grading, r-se of in-stream rock features, reforestation of riparian buffers. and restoration of wetland hydrology. An old spoil berm will also be ren~oyed. which is currently a barrier to flooding. Nc impacts to structures on the suhject property are anticipated. Following the revie~~ of the included documentation please provide a determination regarding any potential impacts to rare species or natural areas associated tivith this project. Please feel ii~ee to contact me at (91 ~)) 783-9214, ext. 1 ~ 1, should you 17ave any questions or require any lin~her infiirmation to process this request. Thank you in advance for your assistance and attention. Sincerer. Michael I3. Schlegel Project Manager ~l ll tit~.'I.C(1 Tll ~Ts! N~DENR North Carolina Department of Environment and Natural Resources Michael F. Easley, Governor July 1 1, 2005 Mr. Michael B. Schlegel KCI Technologies Landmark Center II, Suite 220 4601 Six Forks Road Raleigh, NC: 27609 William G. Rass Jr., Secretary Subject: Harrell Stream and Wetland Restoration Project; Morning Star Road, Rocky Mount, Edgecombe County Project No. 12054239 Dear h~Ir. Schlegel: The Natural Heritage Program has no record of rare species, significant natural communities, or priority natural areas at the site nor within a mile of the project area. Although oiu maps do not show records of such natural heritage elements in the project area, it does not necessarily mean that they are not present. It may simply mean that the area has not been surveyed. `The use of Natural Heritage Program data should not be substituted for actual field surveys, particularly if the project area contains suitable habitat far rare species, significant natural communities, or priority natural areas. You may wish to check the Natural Heritage Program database website at <w-ww,ncnhp.org> for a listing of rare plants and animals and significant natural communities in the county and on the topographic quad map. Please do not hesitate to contact me at 919-7I 5-8697 if you have questions or need further information. Sincerely, -~ Harry E. LeCrrand, Jr., Zoologist Natural Heritage Program I IEL/hel 1601 Mai[ Service Center, Raleigh, North Carolina 27699-1601 N41~CaI'O~lna Phone: 919-733-4984 • FAX: 919-715-3064 • Internet: rvww.enr.state.nc.us ~r~ fJt+rTf! An Equal {?pporiuruty • Affirmative ACtmn Employer • 50 % RecydeC • 10 % Post Consumer Papef it ~l i t Kii~ • • • i ~~ .tee ..~.~. ~~. ~~~ ~j I E'ti~;l'~F t Kti ~ ~!`kV~1:1"C)Rti ~ ~C1F'~' I l~ 1 4 • (~C~'~4 [ K~C t I~~~ ~I3ti-i~;F:Kti - z Ei~e~- t~r,tr~; ~ ~ ~ _ _ E t. f. ~ _~ ~ ~ Julti~ 18. ?(~?fl5 I~~1r. (,;are Jordan tiS Fish~and Wildlife Ser~~ice Raleigh Field C~)tfice F'.C). Bos 33?ZG Raleigh. NC 27G~6 Subject' Endangered Species Act, Fish and V41iIdGfe Coordination Act, Migraton~ Bird l~reaty Act I carrell Stream and 1H`etland Restoration Project Project Numhcr I ZO~4239 Dear Mr. Jordan i'lease accept this information pertaining to the proposed Harrell Stream and Wetland Restoration Project, w°hich is located oft of Morning Star Road approximately six miles northeast of Ro<:ky Mount in F.dgecombe C'ountti~. as a submittal tier review o1' the F.nda-tgered Species Act. Fish and Wildlife Coordination Act, and ~~'ligratory Bird Treat}~ Act by the t?S Fish and Wildlife Service. A portio-t of this property (refer to attached layoutl is currently under investigation as a stream and wetland restoration pr<~ject for the North C"arolina Ecosyste-n Enhancement Program. The current land use in the project area includes predominantly Agricultural Crop Fields with small patches of Coastal Plain Bottomla-td Forest- The restoratio-t would improve water quality and proti~~ide greater protection for aquatic ecosvste-ns front surrounding agricultural lands, This type of work typicalh° involves enhancing streams to create more natural anti stable channels through minor grading„ use of in-stream rock features, reforestation ~~f riparian butters and bottomland forest, and restoration of wetland hydrology. An old spoil berm will also be rem»ed, which is currently a barrier to flooding. As part of the environtttental documentation process tC~ategorical Exclusion), atordinatian with the t'5FWS is requested for atmpliancc with the l~:ndangered Species Act. Dish and Wildlife Coordination Act, and Migratory Bird Treaty .Act, Following the review of the included documentation, please provide a determination of the potential ef~tects to endangered species. ~+ildlife, or migratory birds associated with this prc~ject~ Please feel tree to contact me at (919) 783-9214, ext. 141, should you have any questions or require any fi-rther intormation to process this request. ~fhank yoG- in advance for your assistance and attention. Sincerely. Michael E3. Schlegel Project Manager f;t~l T'F:C:ki'~t~Lt~c~(l-~ t, ;t,~.k; ~.cc>m Michael F. Easley, Governor fl~ ~ArF9 William G. Ross Jr., Secretary `O~ QG North Carolina Department of Environment artd Natural Resources ~ p- Alan W. Ktimefc, P.E. Director ? ~ Colleen H. Sullins, Deputy Director 0 „~, Division of Water Quality September 13, 2005 TPBRRO#OS-244 County: Edgecombe KC1 Assoc. of NC Landmark Center it Suite 200 4601 Six Forks Road Raleigh, NC 27b09 Attn: Mr. Steven Stakes BASIN: Neese River Tar-Pamlico X {ISA NCAC 2B .0233) {ISA NCAC 2B .0259) Complaint NOV Buffer betermination X Incident # Appeal Call Project Name: Harrell Stream & Wetland Restoration Site {KCI Project # 12054239) LocationlDirections: locate off of Morning, Star Rd aQprox. six miles NE of Rockv Mount Subject Stream: UT to Swift Creek Date of Determination: 7127145 Feature Start Buffer GPS Points (if rovided) End Buffer Stream Form Appeal Call ~ Located on Soil Serve Located on USGS Too a hic 1 Sub'ect X X 2 No# Sub'ect X 3 Not Subject X Raleigh Regional Office 1628 Maif Service Center Water Quality Section Raleigh, NC 27699-1628 ~M~ ?lf:UEt`,t phone {919) 799-4200 Customer Service facsimile (999) 579.4798 1-877-623-6748 f'IdIICII JtlGdtli p YVCUd11tJ nC.1WIdUUl1 JIIC ~l~lr{ rIV~Ct,a fF IGVJ4tJy) 911312(}45 Page 2 of 2 This on-site determination shall expire five (S) years from the date ajthis letter. Landowners or affected parties that dispute a determination made by the DWQ or Delegated Local Authority that a surface water exists and that it is subject to the buffer rule may request a determination by the Director. A request for a determination by the Director shall be referred to the Director in writing do Cyndi Karoly ,DWQ Wetlands/4OI Unit, 2321 Crabtree Blvd, Raleigh, NC27644-2260. Individuals that dispute a determination by the DWQ or Delegated Local Authority that "exempts" a surface water from the buffer rule may ask for an ad judicatory hearing. You must act within 60 days of the date that you receive this letter. Applicants are Irereby motif:ed that the d0-day statutory appeal time does not start until the affected party (including downstream and adjacent landowners) is notified of this decision. DWQ recommends that the applicant conduct this notification in order to be certain thal third party appeals are made in a timely manner. To ask for a hearing, send a written petition, which conforms to Chapter I SOB of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N. C. 27b94-6714. This determ (nation is final and binding unless you ask for a hearing within 60 days. Tlate (owner/future owners) should notify the Division of Water Quality (including any other Local, State, and Federal Agencies) of this decision concerning any future correspondences regarding the subject property (stated above). Tlris project may require a Section 404/401 Permit far the proposed activity. Any inquiries should be directed to the Division of Water Quality {Central Office) at (919)-733-1786, and the US Army Corp of Engineers (Raleigh Regulatory Field Office) at (919)-876-8441. Respectfuliy, Michael Horan Environmental Spec. I CC: lean Maneule, US Army Corps of Engineers, Raleigh Regulatory Office Debbie Edwards-Wetlands/ Stormwater Branch, 2321 Crabtree Blvd, Suite 250, Raleigh, NC 27604 Fite Copy Central Files ^ - .. ,... ~~ ~~'. '~..,, _ .~-.`^' ¢4° _ `nm ~.#, s---~ y, m+i aia.,, ~ , Cem ~ ~ ~~~ _ :x=emu `~i og~~s ~:\ 75+x._.---'-~", \ M1 ~"'.~~~, ~.._ ~ °: -... ~ ..` ~f,~ ~s~ ~ _. : fir.. (_ -,=..,,c. ~' ` _ ^~- ~ 4 ~`$ ~.j'7{ '~ ~!J`. ,` " ~, 1~•ifr_ t` ~ ` ' ~~ei -- .' - ~- Ar r S/.~v ~~- ~ ~....~.`'. I~ ~e % t 11j ~~.,~ - ':~ i` yf_~-.. ~ ~'..- ~• _ _ ; • _ ~~~ ».- _ ", g:~ Ada: r lll~ J J'~p; ,. i~~ .rI-Y "~k.... 't ' Oa'~ 1 ~~~ ~°_` °'w" m-~ V i ,~~~~~. .~ g. •~ilPa to ' _. - , ~..~... i :: t ;,~ rsa"., , ~3`yi'~ ~ .. ~ _-- -_~ ~ ~ ~ t ~ trt 9 ~{ ;.i--- ~ \ fi eat tk~bE.., +4 ~ 1 Jl... ~ l I~ , x$SYfL~Pft ..,µ .-~~ Jt 7„•~~ (Y r•-u~ ss ~ ~ ~. ~ --r. 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GE©LOGICAC St1RVEY pENV£R, COtORAOO 80225, OR RESTON, ViRGiNtA 22092 - A FOLDER DESCRIBING TOPOGRAPHIC MANS AND SYMBOLS tS AVAILABLE ON REQUEST a.e; N C. QUADRANGLE LOCATtO~ ,~ n - EDGECOMB~ CO~JNTY, NORTM CAROL{NA -- SHESZ NtJM3tR ~ 6' `~ -,..~ - Ra Ra DgA ~ ~~+ Ga.a way. '%/ae ,. rt3 _ A73 ~; ~. ~ - n Dga S~9 ~.-~ve ~'.o ` l~ ~ _' i,' ~ Re Nca 83 ,~ ; C 1~ Ta8 ~',1~ ~ r~o8 AaA AaA ~ A2A NoA NoA R'~ ~ ~ _ ~ - ::. ~ Ro ~+ Ra .VaB Wa8 iu `~dj Ms ~~ . . `"~ ~ Wa8 w GoA ~'Oa Wa8 - Ce9 w . ~ Aug Nob C°$ T~~ 1 Ra ~.vaB ~ Y Ro Cc ~-...~ $ BB RO .. . •. 1 ie GOA VOA ~~a8 NoA Pica ~; We St8 • Cc o;. Ra ?Aa8 ~'o Wa~ ~ AaA ~\ ~r M r~ 9 L ~ J NaA $ \ rlcB y `V L \ ' +' Go.i NoB R~ ///nnn DgA •,i Tab Ra _ GaA `+,~ ~aG ~~ GoA NoB GoA NaA ayC ?•AiuB ~ ~d9._ lu ~*-: ~ Rp' _ Me '~~: 1.+~$ ~~ ~ ~~ ~"". is AsA ~ ~PO~ ., ./ We wkB,i, \ ~` ' 3 . NoA Au6 y St6 `~ " . q '~ ~ AaA- 6-a NoA Nab / •'~ ~_ ~ ,: my SIB ~o.:, ~ WaB yVaC ~aG ~a:`,' •.'•; Ce8 - J,_, x'00 NaC o .mob :Au8.... _ Ne6 Wa8 MaB Nob ~ 'Ns9. 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Il.w tar. ro • rn1n, fo4r: l:oRlx )aa^aT tier, IM,a rar, m M PMr Rro ~, hah a eca..N ' a ~ atlD r0 RI M4 fIIIP a 1A10 CpTMfC fMN aa0 eaRros I,ea saM[ tat a saes] Ra[s Ya4 a ILA $,\ G ` ~~ Q ~r~ °r~ I,IC pATA rAac LRL LdOM p U ay w Y.a u rx)~pj~01f afs.V'ae'E~. 4 g `) u Sys. `jai14$ .o}~ ~L In // '1;L3)_ 6[711L Y (lCRIL: N7~ ~i-Mal aPTlaf' WS Ilta rPorPo m.es• ssaw'nt -••-[01ND PRaaT'lK (fAKHD) ~~ r ---------- C451PN PllaprlY YK (Iles 91RKlm) ' • 4..a., . ri. _ _ _ d r~ • aci PMl rRl~rilaor CM Mo cPRSORrz M `~µ ~~ . ~. l/E9f GYGLPIW CRVO (NC RM 4r Q IQM) Na PN raM t 3 .,~ . E ' '° 1~a~ t v~Un~ wn ar-ream 2 ~ «rMrRr z aoRw .n aoar ePS w.a .xr P ..'~ r PearRm mmIMRM ]ss.LV' {Rj.~7 rP, rri~pr NTS']J7)'[ a,y~ VRRm YJ SO) ~^ lOl Aa' AA 2. NpVO!']ati' i ~ i g j d ~ '( In.n' S h S a0O49'ZSM Y M7Y09~3Tr LA.a' ,R s*T~ ~• slsaraow y Iw.or ~\ srrJa'zLtir ro'yr ~` R1a A' ~~ 1'r d ~^~ .:-se-asa wP Halo N raaRroa r pl[Jlrl[ M HMO! a® 4441 Res. )Ita ow W~. II' -OE)A Tl~ ~~~ r~ LRROIMSat 'k ~ PRtlm •R) r~43. .p]1A1~.-.-_._._. ..............' ~ a~ ~-rsRRv r4P n nxRAe R ENV rY aem m rm, nIa olo xaM aRaw _ coacalec cDlNrr xaM cMaw _ aaaas mPNV M I01[Oaro m11rNU4N a PMR11L ROa. aP l R[MR Ort1001 a M CgMrY RRC) m18n ro b COfECT. IIb gRelrpll W T M YM a MT ro f1a r~i eiano rae RTASIMIYN alA R[alNm N rI1L dtlr[ IIIR Oa11rIGTNY R RNeO Y¢n My araluran eaor _~ Ra -~ nb - a. w R[anluoln ra RccaBRq _-- wa aa. R _ onoa ~Il. RCOfq a ®8 a4 RlMR Olmt D54239 KCI ASSOCIATES OF N.C. ENGINEERS, SURVEYORS AND PLANNERS KCI 4601 51X FORKS ROAD. SUITE 200 ASSOCIATES OF RALEIGH, NC 27609 NORTH CAROLINA PHONE (919) 783-9214 • FAX (919) 783-9266 ~).m• 9Y@ ROaD IL HARiEIl ~@ DA11E5111E N. NAIBEl1 EASEMENT PLAT HARRELL STREAM AND WETLAND RESTORATION SITE VICINITY MA (NOT ro scACL) NOTES: MR PtM xb emt PleoaRm nMar M MYmr a • Rear a Mc ~11~) M Wes a M YoMIMR Plo moerwrzs foe IIb r4T R M IgIM ORINIRU arRrz RMC CODNNPrz MIDI, 11011M RIR]rCax Rld YRaPN s AMP~r rl'drel mw +em~ReaPaa xPO mL ebro a aPOnnM aPs amr n PYar rn aenn PoRORYm er Ra baooRn a Yc uPNN M _-~ f't YMM a RllaRr am ru omRllm ML maao u:RLa on[ROr R01a. NrooR wT rRRNwexn xor aN.l a D.e aPNL). q 40aM YD!RROIIa Q RECpYalm fMx RmO IaT a ',/ fNEtl PRafI1M1. (\ + Oam IpLpO: e0a Ia). PM[ OMl. wuD* wlmn Ror b rM mP PMm rRRROI an-ee-mv. /j ~ , PAOExIY. ]IR.rR Ran ter TM MoamL ]lam r a ~• a o s O]r ® .' cad IMao4Ra wraunM j IRt{( noro x xMm. Ma is aR[flrrt 4 11PIeOL ~ T~ilenra K ii® i I, 44144 a aolaRM, xam. ocnMa wr nb YaP ars ~ oRn.l aNCR Yr auPalMOI MRr . aolYn' YN4 ulna rr wr M aaPOaR4a rroT auML,m ML aLMar astaYfol n * , NNa>~ Af aAM TINY MRNPiRX lallRl N mOt Im). P~1a Ma r M m11D a OIa.R9a b tllMAla R RRRIRI Q MM DIDAm wT MR YM 0® xOT RVM=lll M OrRaY eaNOM 9aafY MD IIRf b! !01 PRD'Ma N ROORNYra ` as .)-R b M044D. aTRa Yv RrMM. lIaR11111r. om Rmsnunox uReDI RIO srM a.s aM ar a aarleoR o ~ I nwnla mllr. wr nb fanL R v M [YSI1ro raRm a ~Mms o wo Mo oats xa aIi rz .14R sI:RLr a ours omI1N snm. .t IIaM CMIaM RECQIIIRRa NRill L-am ~ ) ,HIES Y. OELLENIIiI t / ' xolnl cRRaLl1. marnlt mlNn ~°'c IM ~ v M°r aur:rr Mro s•rt waeva aRa sAm• '• ~~ Izu'ut " T PvltaMCr M4FRIn aoa4 M Ills ar Rro RWala®M [t4NII0x a M IOR[OORR \ ~ ___: Na1NRFAr. ~la')e' NIIR.a M xrao RIO amaM nxn a 8M nM 4~ _Da)a ,zm Y -..~ ~ ilouRrTia~ r laD.ar 1 Appendix D. Project Site Photographs STREAM SITE PHOTOGRAPHS ~ y , ~ . ~~ ~;~ ~~ : . r- T ~ , r ~~' ° +-~' ~ ~ ~ rv i . ~a ... ~ ,. ~~ Ly #~} i , . .~,, . a`,,. = t ~ g~~ J '~ f r~ ' • ~R ~ au ~ 'tW na S . ~ ~ i .s ~ ~ ~ ~ r ~ ~" ~~~ - -.~" ~. .; x ~ '~~~ Beginning of the project stream as it leaves the culvert and enters the Harrell Property. A view downstream from the first road crossing; gauge 1 is seen on the left. z, I R L '~ a r ~~ ,4 1 ~ . ~` ~ M w ~'~`' ~' ~ ~ ~ d ~ 7 J ~ ~ ~ «~ fit ~~ 6 '~' a~"W ` yy a ~ d ~a t ~ ~' X i" ~ F ~ ~ ~~! ~ ~~ ~~W,~sC~S ~ ~?. ~~` _ ~ ~' Eroding banks along the project stream. Looking upstream toward the first road crossing on the project stream. -n ~a,._ . . ` ;,' '- =3. . ,..... .~ ~ _. ~ ~- k ~ { ~ ,~; ~ Ra ', " ~. ,'~~ .:ti ~~} ~ ~ ~ ry ~ ~~1 ~ 4iu~ st ' ~Y . 114_ ~ I - I .~ - ` t ~ ~~ ~ ~ t ^sb. g ~ ~~! ~ ~ ~ ; > Rr* Looking downstream with agricultural fields bordering both sides of the stream. x~5u~ .rte- . -.. c .~i' v . ~y ~ Y r `.J ~,. Looking upstream from the second road crossing. WETLAND SITE PHOTOGRAPHS .~~ ~ ~~ ~ ey ~ ~} ~ ~ aH t'.1 ,. .z - ,. - :~. An overview of the wetland site looking toward the southeast. "`"ar ~ r ~ n ~,.,,,~ m The entire wetland site is under agricultural production. ~ ~-~ M ~- ~t ~~ "" -~'~ z~i _ ~ ~ . ~ ~ ~ ,~< ~~ c ~ ~ ~ ,~, '%' x, a \ ~ ~ °i ~ . . qq66 ~ ~ . ~.j~ ±_ ~ _~ Looking upstream of the ditch that drains the southern portion of the wetland site. ~r .I~„~ ~~ ~ ~ Fx ~~:. g ~~ ~ : ,,. ~' a `' ~, .,~~- '~ r ,. ~~.i~. v ~ ~~ ~~ Ya ~ ~ ~~ ~~ ~ - r ~. '~ y~ rp il lP~ t '~ ;~ `;~ ~ i ifia . + ~ w ,~ ~„; .i 3 -~ ~ rit ~'~ ~, w i ~ ~ A look at the wetland site (to the left) from the upper northern boundary. A look at the confluence of three ditches that currently drain the wetland site. a.~~ ~" "`~ ~ ~r ~n.. ~~r ~ '`~ ~~ a a`"` 4 ~:_ ~ A. . ar - ~ ~ r ~~ 24'~ . ~. ~# w. x~ rv ~ ~t 1 ~ f j4 s b ~*~ first ~~'a. ~`~ ~~~ ~~~~ c ~~~~~ ,¥ Looking north-northeast over the site from the main ditch. Appendix E. Existing Conditions Data No Photo Stream Type: E5 90 ', - - Bankfull i Flood Prone Area 88 0 86 m W 84 - i 82 0 10 20 30 40 50 60 70 Station (feet) River Basin: Tar-Pamlico Watershed: LTSC XS ID XS 1 Draina a Area sq mi : 0.2 Date: A ri12006 Field Crew: French, Hayes, Helms, Patterson Station Elevation 0 87.03 10 87.08 20 86.63 30 86.86 34.9 86.84 36.3 85.10 37.3 83.68 39.1 83.44 40.2 83.28 41.8 85.47 42.5 86.70 44.5 87.53 55 86.88 65 87.07 70 87.15 SCIIMARY' DATA Bankfull Elevation: 85.2 Bankfull Cross-Sectional Area: 7.3 Bankfull Width: 5.4 Flood Prone Area Elevation: 87.2 Flood Prone Width: >70 Max De th at Bankfull: 2.0 Mean De th at Bankfull: 1.3 W / D Ratio: 4.1 Entrenchment Ratio: 13.0 Bank Hei ht Ratio: 1.8 Slope (ft/ft): 0.004 Discharge (cfs) 24 Unnamed Tributary to Swift Creek Prof le 1 I--- _,__ I i I ~ II I I I I I I I I I I I I I I I I I I I ~~ I I I ~ I I I I I l I I I I I I I I I I I I I I I ' I I I I I I I I ~ I I I I I I I ~. I I I I ~ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 83.5 ~ o ~~ ~ w 83 i I ~ 1 gel I I '\~ I I I I I I I I I ~. I ~r.~ I ~ ~, i~~ ~ I I I I I I I I ~ i I ~ I I ! I I I I I I I I ~ I I I I I I I I I I I ! I I I I I I I I I I I I I I I I I I I I I I I I ' I I I I I I I I I I I 2.5 I I I I I I I I I I I I I I I I I I i I I I I I I I ! I I I I I I I I I I I I I I I I I I I I I I I I I I I t I 1 I I I I I I I I I I ~ I I I I ~ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I - '- ! I I I I I I I I I I I I I I I I , ~~~I I I I I I I I I I 0 20 40 60 80 100 120 140 Channel Distance (ft) Elevation -1-~WS Elevation BM: inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance station 10r TP bed water LB RB BKF azimuth bed watersrf LF RB BKF WS 0.0 117if 83.26 __ 83.72 6.8 6-8 'o['~ 83.12 _ 83.71 9.0 15-R 1rr 83.41 83.7 12.3 28.i 83.14 83.64 11.5 39.6 1t1~~ 83.07 83.61 11.2 50B I~;i 82.92 83.57 - 9.6 60.E 10C 83.23 __ 83.48 17.8 782 83.20 83.38 12.8 910 ~rlr~ 83.07 83.33 14.3 105.' Inc 82.69 83.27 19.8_ 125.1 '~. nh: 82.77 83.18 _ 0.0 i nr QO 1~r, - QO inr~. 0.0 1 rn 0.0 i i'r. 00 QO 1 ix~, 0.0 'I r~~.r. - QO 1Pt' 00 0.0 1Dn 0.0 I t'n 0.0 1 nt- QO 1np 0.0 1 DI°~ 0 0 +ni 0.0 1 Oi I 0.0 100 0.0 100 0.0 100 0-0 100 0.0 100 0-0 100 0.0 100 0 0 100 0 0 100 0.0 100 0.0 100 0.0 100 0.0 100 0 0 100 Riffle Pebble Count RifFla Pahhla l:niint Material Size Range (mm) Count silt/clay 0 0.062 100 very fine sand 0.062 0.13 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 bedrock clay hardpan detritus/wood artificial total count: 100 Harrell-UTSC-Pebble Count 1 Tar Pamlico Note: XS 1 Riffle Pebble Count, Harrell-UTSC-Pebble Count 1 100% 120 90% - -- - 80% - - ~ 100 70% ---- - ~ ~ ~ ~ ~ 80 ~ w 60% Q ~ m w 50% --- 60 ~ v 40% m - -- - ~ 20% - 20 10% i 0% 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) f cumulative % # of particles ase on size percent less t an mm particle size istribution sediment D16 D35 D50 D65 D84 D95 radation eo mean std dev articles onl 0.062 0.06 0.1 0 0 0 1.0 0.1 1.0 ase on percen y su s ra a pe total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 100% 0% 0% 0% 0% 0% 0% 0% 0% Pebble Count of Channel Reach Pebble Count, Material Size Range (mm) Count Harrell-UTSC-Reach 1 silt/clay 0 0.062 79 Tar Pamlico very fine sand 0.062 0.13 14 fine sand 0.13 0.25 6 Note: XS 1 medium sand 0.25 0.5 1 coarse sand 0.5 1 Pebble Count, Harrell-UTSC-Reach 1 90 ve coarse sand 1 2 100% very fine gravel 2 4 90% ---- --- ------ -- I ~ 80 fine gravel 4 6 ~ ; , fine gravel 6 8 80% ---- -- - - ~ ~ - ~ ~ 70 medium gravel 8 11 t 70% ~ ~ j medium gravel 11 16 -- -~ ~- 60 ~ coarse gravel 16 22 c 60% --- -- --- ~---- ~ Q coarse gravel 22 32 `' ' ; ~ 50 `, very coarse gravel 32 45 ~ 50% ---'- -- -------- ~ -^ ° ve coarse ravel 45 64 a 40% --- ---- ------ - __--- ~ _- _-~ ~ ~~ ~ 40 small cobble 64 90 ~ ~ 30 m medium cobble 90 128 30% ~ ' ~ '~ '' ~ large cobble 128 180 i 20% ~ i 20 ve lar a cobble 180 256 - -- small boulder 256 362 10% ~ ~ ~ ~~ _ ~ ~~ a ~ ~ 10 small boulder 362 512 -' ~' ~~~ 0 medium boulder 512 1024 0% large boulde 1024 2048 0.01 0.1 1 10 ~ 100 1000 I 10000 ve lar a boulde 2048 4096 particle size (mm) total particle count: 100 f cumulative % # of particles bedrock based on size percent less than (mm) particle size distribution clay hardpan sediment D16 D35 D50 D65 D84 D95 gradation geo mean std dev detritus/wood articles onl 0.062 0.06 0.1 0 0 0 1.1 0.1 1.1 artificial based on percent by substrate type total count: 100 total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 79% 21% 0% 0% 0% 0% 0% 0% 0% •••••••••••••••••••••••i•!•••••••••••••••••• ,~, , e. , ~ ~` a . -~ ~.~ '~ ,~, SUMMARY DATA _ ^• .~ , ~ ~_ ~ Bankfull Elevation: 80.1 , ~~''~' ```" `-'=~ ~' ~~ Bankfull Cross-Sectional Area: 8.0 ~ ~ ~" a~~ ""`"• ~ ~ - ~~ ~; ~' Bankfull Width: 6.5 Y ~~ _ ~ ~ ~ ~. ~' Flood Prone Area Elevation: 82.0 ~'~" Flood Prone Width: >70 `_ -~. `" ~` ~ ~~ ~~ , _ ~ ~"~~ ~` ~~._~ _ Max De th at Bankfull: 1.9 v= ~~.~~ y e y '"`'~ ~, ~~ Mean De th at Bankfull: 1.2 ,, '32 , .~~~ a ~ ., W / D Ratio: 5.3 ~• ~ `' a~O,: , _g ~~~, ,,`.+~ '~ ~ "~ ~ _ -~. Entrenchment Ratio: 10.8 ~ ~ ~ ~ ~ ) : ~ '~ iti , ~ ~Y ~ ~- i~~ ` Bank Hei ht Ratio: 1.4 „~~v; .,,,wry ~ `„'~ ~ '"" ~- ~F, Slope (ft/ft): 0.006 ~ ~ - Discharge (cfs) 31 Stream Type: ES River Basin: Tar-Pamlico Watershed: UTSC XS ID XS 2 Draina a Area s mi : 0.23 Date: A ri12006 Field Crew: Hayes, Helms, Patterson Station Elevation 0 80.85 10 80.55 20 80.77 30 80.87 34 81.02 35 80.93 36 80.66 36.5 80.25 37 79.91 37.1 78.96 38.5 78.62 39.6 7827 40 78.48 41 78.63 41.8 79.05 42.7 79.66 43.4 80.36 44 81.15 46 81.02 50 80.69 60 80.56 65 80.68 70.5 80.94 4 8 - - Bankfull - Flood Prone Area - - - - - - - - - - - - - - - - - - 82 0 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - . 80 a~ W 78 76 0 10 20 30 40 50 60 70 Station (feet) 79.5 _-~-. _,, 79 _.-_ ..r__ ._._- ~.- _ Unnamed Tributary to Swift Creek Profile 2 _ r-~~i '-..'~..-_ -~-_-i ~ ,,-_. i i ~ i i ~ i i __--r-- - ---r-_._..-r-.. _ ..----.._r-...~.r i i i ~ i i ~~.- ._.___.---r.___., i i I I ~ I ~ I ~ I ~ I ~ I ~ 78.5 78 i i I I ~ ~ x 77.5 - ~- 0 77 ~. ~ i i i 1 1 i i i i i ' 76 ° 5 i i 1 i i i 1 i i i i i . - w 76 ~ ~ ~ i ~~ i i ~. i i i i i i i i 76 5 . 75 - ~ ~ I ~ I ~ ~ ~ I i ~ I I i i i i i 1 i i i 1 745 0 20 40 60 80 Channel Distance (ft) '~ Elevation tWS 100 120 140 Elevation BM: inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance station 100 TP bed water LB RB BKF azimuth bed water srf LF RB BKF WS 10C! 75.15 _78.92 - 13.9 ~ ?,=ir; 10C 78.10 78.92 ~ 0.6 10G 78.12 78.9 - 100 78.74 _ 78.82 ~_.. 100 78.66 78.77 i 28 100 78.51 78.7 1-1. `i - _ 100 78.27 78.66 17 n _ 100 77.99 78.66 17.8 100 78.05 _ _ 78.48 ?1.1 100 77.84 _ _ 78.27 1b.3 100 77.58 78.07 C~ 100 100 i! i 100 n !` 100 ~? n 1 DO C! 100 100 O c 100 O r 100 t'~ 1'~ 100 n o 100 n i°~ 100 b-t°~ 100 100 ,~n 100 i. i1 100 !'! 100 :~.i~ 100 b r: __ 100 i~ 0 100 •••~•••••••••••••••••••!•i•••••••••••••••••• Riffle Pebble Count RifFla Pahhla Cniint Material Size Range (mm) Count silt/clay 0 0.062 88 very fine sand 0.062 0.13 12 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 bedrock clay hardpan detritus/wood artificial total count: 100 Harrell-UTSC-Pebble Count 2 Tar Pamlico Note: XS 2 Riffle Pebble Count, Harrell-UTSC-Pebble Count 2 100% 100 I 90 ' 80 c 95% , --- 1 _ 70 ~ w ~, 1 ' 60 a ~ i ~ ,~ ~ ~ ; 50 ° c ~ ~~ ~~ ~~ ~ ~~~ ~ ~ ~ ~ n~ ~ • n 90% - j ~ ~ - ~ ~ p 30 v, ' ~~ , ~ ~ ~~ 20 ~ , ~, ~~ ~~ ~ 10 1 0 0.01 0.1 1 1 0 100 1000 10000 particle size (mm) t cumulative % # of particles ase on size percent ess t an mm particle size ism ution sediment D16 D35 D50 D65 D84 D95 radation eo mean std dev articles onl 0.062 0.06 0.1 0 0 0 1.0 0.1 1.0 ase on percen y su s ra a pe total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 88% 12% 0% 0% 0% 0% 0% 0% 0% e very fine sand 0.062 0.13 7 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 very large boulde 2048 4096 clay hardpan letritus/wood artificial total count: 100 100% c m L a~ c c~ ~ 95% U Note:IXS 2 a~ a 90% ~- 0.01 ed on invent d on count 100 90 80 70 ~ 60 50 ° a 01 40 n 30 w 20 10 0 0.1 1 10 100 1000 10000 particle size (mm) f cumulative % # of particles size percent less than (mm) particle size distribution D16 D35 D50 D65 D84 D95 gradation geo mean std dev 0.062 0.06 0.1 0 0 0 1.0 0.1 1.0 percent by substrate type silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 93% 7% 0% 0% 0% 0% 0% 0% 0% ••••!•i••••••••••••••••••••••••••••••••••••• . .~ ~.., 'y z,_ a Stream Type: ES i Tar-Pamlico River Basin, UTSC, XS 3 82 - - Bankfull - - Flood Prone Area ~ 80 w a~ 0 78 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - m W - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 76 74 ~I 0 10 20 30 40 50 60 70 Station (feet) River Basin: Tar-Pamlico Watershed: UTSC XS ID XS 3 Draina a Area sq mi : 0.23 Date: A ri12006 Field Crew: Hayes, Helms, Patterson Station Elevation 0 78.86 15 78.97 25 78.84 30 78.71 32 78.40 33.5 77.79 34 77.15 35 75.63 36 75.02 37 74.51 38.5 74.41 39 74.45 39.5 75.60 40.5 76.63 42 77.72 44 77.95 47 77.95 53 77.89 60 77.87 65 78.00 SUMMARF DATA Bankfull Elevation: 76.4 Bankfull Cross-Sectional Area: 7.5 Bankfull Width: 5.7 Flood Prone Area Elevation: 78.3 Flood Prone Width: >65 Max De th at Bankfull: 1.9 Mean De th at Bankfull: 1.3 W / D Ratio: 4.3 Entrenchment Ratio: 11.4 Bank Hei ht Ratio: 1.8 Slope (ftlft): 0.007 Discharge (cfs) 31 75 4 Unnamed Tributary to Swift Creek Profile 3 . 75 2 ~ I I I I I I I I I I I I ~ I I I I I I I I I I I -I I I I I I I I ~ -~1-1-I I I I I I ->- I I I ~. I I I 75 I I I I I I '. I I I V I I I I 1 1 1 1 1 1 1 I ~ I I I I 1 1 1 1 1 1 1 1 1 1 1 1 V I I I I I I 74.8 I l l l i I I I I I I I I I V I I I I I I I I I I I I I I 1 I I I I I I I V I I I I I 'K 74.6 - I I i l I ~ i l ~. I I I ~"""- I I I C I - ' I I ~ I I~ I ~ I 1~ 1 1 1 O 74 4 ' I I ~ I I I I I I c I yT~t-~- I I ~ I . N 742 I I I I I I I I I I I I I I I I I I W 74 I I I I I I I I i ~~ I l ~ i~ l i. 1~ 1 '~ I I I I I I I~ V I I I '~ I I I 73 8 l i l~ I I I I I I I~ ~ I ', ~ l i I ~ V I I I i l i l l l l l I I '. I I I I I '~ I I . 73 6 I ~. ~ ~ I ~ ~ ~ i ~ ~. ~, ~ I ~. ~ ~ i t '~ I ~ I I i I~ I I I I I I I I I I I I . 73 4 ~ ~ I I I I I I I I ~ I I I ~ I I I I I I I I I I I . 0 20 Elev 40 ation BM: 60 80 Channel Distance (ft) +- Elevation -- WS 100 120 140 inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance station 100 TP bed water LB RB BKF azimuth bed water srf LF RB BKF WS 100 74.93 75.22 19-6 100 74.51 75.03 18.0 100 74.47 75.01 17.8 _ 100 74.08 - - -- 74.78 16.1 100 74.13 74.72 5.3 _ 100 73.86 _ 74.68 J0.5 100 74.19 _ 74.56 14 ? 10C 73.59 74.56 1, _ 100 73.95 _ 74.33 n G 100 _ r+ r, 100 ~Ln 100 ~~ ~~ 100 i I n 100 I I-C 100 100 •~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~I ,.: _y ~~ .. _, ~.~ a ~ a, •~. - ~ ~ ~ ~ °~ _ °` ^ ,,;' ~a ~... ~ ~ ~~,~ - a `"" ' ~' - ~ 1 - ~ ~, ~ ~ , ~ ~- ~ ~ - ,~= ` ` i ~-r` Stream Type: E5 Tar-Pamlico River Basin, UTSC, XS 4 78 ', - - Bankfull - _ Flood Prone Area 76 m ~ 0 74 - - - - - - - - -- a~ W 72 70 0 10 20 30 40 50 60 70 Station (feet) River Basin: Tar-Pamlico Watershed: UTSC XS ID XS 4 Draina a Area s mi : 0.385 Date: A ri12006 Field Crew: Ilayes, Helms, Patterson Station Elevation 0 75.82 10 75.80 20 75.76 25 75.67 26.6 75.32 28 73.81 29.3 73.08 30.5 72.93 32 71.33 33.6 71.17 34.7 71.41 35.9 73.55 38 75.05 45 75.11 55 75.39 65 75.60 70 75.68 SUMMARY DATA Bankfull Elevation: 73.6 Bankfull Cross-Sectional Area: 10.4 Bankfull Width: 7.4 Flood Prone Area Elevation: 75.9 Flood Prone Width: >70 Max De th at Bankfull: 2.4 Mean De th at Bankfull: 1.4 W / D Ratio: 5.3 Entrenchment Ratio: 9.5 Bank Hei ht Ratio: 1.6 Slope (ft/ft): 0.008 Discharge (cfs) 50 72 6 Unnamed Tributary to Swift Creek Profile 4 . 72 4 ~ i ~ i ~ ~ i ~. i i ~~- ~~ ~ i i i i i i i i ice- i i i i i i i i - i i i ~ -r~--r-i-- i i i i 72 2 ~ . 72 '~ 71 8 . 71 6 ~ i i , i~ i~ i i i i i i i i i i i i i , i i i i i i i ?~ 71 4 . 71 2 . 71 - 708 i ~ i i i ~ ~ i 70 6 . 0 20 Elevation BM: 40 60 Channel Distance (ft) +- Elevation ~ WS ~~ BO 100 120 inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance 12 2 station 100 _ 100 100 TP bed water LB RB BKF azimuth bed 72.23 71.86 water srf LF RB BKF WS 72.33 72.03 14.0 _ 100 71.82 71.97 t s n ioo 71.aa _ _ 71.x1 7 ton 71.3s 71.ae 3.1 100 70.92 71.45 142 100 70.86 71.44 142 100 71.30 71.44 i;h 100 70.89 _ 71.43 100 71.31 71.43 i? ~+ 100 70.80 71.43 100 100 t' 100 ~1 0 100 O b 100 Riffle Pohhlo Cn~~n4 Riffle Pehhle Cunt Material Size Range (mm) Count silt/clay 0 0.062 65 very fine sand 0.062 0.13 24 fine sand 0.13 0.25 11 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 bedrock clay hardpan detritus/wood artificial total count: 100 Harrell-UTSC-Pebble Count 4 Tar Pamlico Note: XS 4 Riffle Pebble Count, Harrell-UTSC-Pebble Count 4 100% ~ ~ i i 70 ' 90% I 60 80% i 0 ,, _ - - 50~ c c Q m ° 60 /o __ ' ~ ~ ' , II 40 ~ ~ c ~, ~ ~~ o ~.-- 50% f I I ~~ ` 40% - i i n ;i 10 10% - ; 0 0% 1 0.01 1 0 1 10 100 1000 10000 particle size (mm) ~-cumulative % # of particles based on size percent less than mm panic a slze Istri ution sediment D16 D35 D50 D65 D84 D95 radation eo mean std dev articles onl 0.062 0.06 0.1 0 0 0 1.4 0.1 1.3 ase on percen y su s ra a pe total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 65% 35% 0% 0% 0% 0% 0% 0% 0% very fine sand 0.062 0.13 4 fine sand 0.13 0.25 20 medium sand 0.25 0.5 8 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 bed clay hart artificial total count: 100 100% 90% 80% r 70% c 60% w ~ 50% U Q. 40% 30% 20% 10% 0% Pebble Cow Harrell-UT& Tar Pamlico Note: XS 4 80 70 60 50 ~ m 40 30 n in 20 10 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) f cumulative % # of particles ed on size percent less than (mm) particle size distribution invent D16 D35 D50 D65 D84 D95 gradation geo mean std dev icles onl 0.062 0.06 0.1 0 0 0 2.0 0.1 1.7 ~d on percent by substrate type I count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 68% 32% 0% 0% 0% 0% 0% 0% 0% ••i•••i•••••••••••••••••••••••••i•i••••••••• River Basin: Tar-Pamlico Watershed: UTSC XS ID XS 5 Draina a Area s mi : 0.424 Date: A ri12006 Field Crew: Hayes, Helms, Patterson Station Elevation 0 71.65 10 71.45 20 70.95 27 71.12 30 71.18 31 70.80 32 69.76 33 66.86 34.5 66.47 35 66.11 36 66.50 37 66.95 37.8 67.86 38.5 68.82 39.5 69.89 41 70.94 45 70.94 55 70.93 65 70.93 70 71.21 SUMMARY DATA Bankfull Elevation: 69.0 Bankfull Cross-Sectional Area: 12.1 Bankfull Width: 6.4 Flood Prone Area Elevation: 71.8 Flood Prone Width: >70 Max De th at Bankfull: 2.8 Mean De th at Bankfull: 1.9 W / D Ratio: 3.3 Entrenchment Ratio: 10.9 Bank Hei ht Ratio: 1.7 Slope (ft/ft): 0.006 Discharge (cfs) 41 74 72 a~ 0 70 co m W 68 ~~„; ~- ~ ~ Stream Type: ES Tar-Pamlico River Basin, UTSC, XS 5 - - Bankfull - - Flood Prone Area 66 + 0 10 20 30 40 50 60 70 Station (feet) 67 4 Unnamed Tributary to Swift Creek Profile 5 . 67 2 ~ I I I I I I ~ ~ I I I I I ~ I I ~ ~ ~~ I I I I I -r-r i r-- I I I ~. I r-r- i ~-~- ~ ~ rT1--r-~~r- l i ~ l I I ---i ~T -~ ~ I I l i ~-T ~--r- l l l l . I. ~ I ~ I I I I I I I I I I I I l l i l l l l l 67 66 8 ~ ~ I~ I I I I I I I I I I I I I _ ~ I I ~ I I I ~~ I ~ i I I I I I I I I' . 66 6 i i i l i i i i i I I i i i I i I i i i i i i i i . o > 66 4 i i ~ i i i i I i i i i i i i I I i I ~ i t i i i . W 66 2 i i i i i i i i i i i i i i i i i i l i l i i i i i i I i i i I ~. i i ~ ~ i i i i i i 66 65 8 I I I i i I I ~ i i i i I I~ ~ ~ i ~ i i i i I I ~ i ~ ~ ~ ~ I I i i i i i i i i i i i ~ ~ ~ I i ~ l I i i i i I I ~ i i i i i I I I I I I I I i l i i i i i i i i i i i i i I I I I~ i i i i i i i I I I I i i i i i i i t . 65.6 i i ~. I i i I i I I I I I ~ ~ I I I ~ V I I I I I I I I I I I I I I I I I I I I I I I I I l l i I I I I l l l l I I I I 0 20 Elevation BM: 40 60 Channel Distance (ft) Elevation - WS ~~ 80 100 120 inc 8S HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance station 100 TP ned wales LB RB BKF azimuth bed watersrf LF RB BKF WS _ 100 67.28 67.28 ~ 0 ,~. 100 66.68 _ 67.2 '4b 100 66.56 67.14 ~ _ 100 66.14 _ 67.13 t'.? r? 100 66.44 67.11 10.14 _ 100 65.69 _ 67.06 L.1 __ 100 66.68 _ 67.04 120 100 66.09 67.01 9.? 100 66.73 _ 67 ' ~' -! 100 66.19 _ 66.96 ~t n 100 ~ ~~ 100 100 n dl 100 OJ! 100 U Ft 100 ••••i•••••••i•••••••••i•••i•ri•••••••••••••• Riffle Pebble Count Riffle Pehhle Count Material Size Range (mm) Count silt/clay 0 0.062 66 very fine sand 0.062 0.13 5 fine sand 0.13 0.25 29 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 bedrock clay hardpan detrituslwood artificial total count: 100 Harrell-UTSC-Pebble Count 5 Tar Pamlico Note: XS 5 Riffle Pebble Count, Harrell-UTSC-Pebble Count 5 100% 70 90% - 60 70% _ 50 ~ ~ co ~~ ~ ~, c '-' 60% _ _ _ _ _ 6 m 40 ~ ~ 50% - ~ v 40% --- 30 m a~ a 30% _ ', _ _ __ _ __ ,., _ a ~ 20 ~' 20% - --- - --- - -- 10% ----- 10 --, ---- -- ~ i 0% 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) f cumulative % # of particles ase on size percent ess t an mm partic a size ism ution sediment D16 D35 D50 D65 D84 D95 radation eo mean std dev articles onl 0.062 0.06 0.1 0 0 0 1.9 0.1 1.7 ase on percen y su s ra a pe total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 66% 34% 0% 0% 0% 0% 0% 0% 0% Pebble Count of Channel Reach Pebble Count, Material Size Range (mm) Count Harrell-UTSC-Reach 5 silt/clay 0 0.062 42 Tar Pamlico very fine sand 0.062 0.13 7 fine sand 0.13 0.25 25 Note: XS 5 medium sand 0.25 0.5 26 coarse sand 0.5 1 100% Pebble Count Harrell-UTSC-Reach 5 45 ve coarse sand 1 2 very fine gravel 2 4 90% I ~ ~ ~ 40 fine gravel 4 6 ~ , . ; fine gravel 6 8 80% ---~, ~', ', -'~ ' ' ' ~ ~ I 35 c ~ ~ ~ '„ medium gravel 8 11 t 70% ~I medium gravel 11 16 ~ - 30 ~ ~~ N o - '. '~ 16 2 coarse gravel 2 c 60 /o ~ ~ _ ~ ~ ~ ~ coarse gravel 22 32 ~ 1y- ', ~ ; 25 `, 50 /o _- -- --- ~-- very coarse gravel 32 45 ~ ° - - _- - - ~ -_ . - ~ -- ~~ ve coarse ravel 45 64 0. 40% _ _ 20 small cobble 64 90 n medium cobble 90 128 30% - -- __ _ _- - - - _ _ -- .-= _-- _- _. ~ 15 y large cobble 128 180 ve lar a cobble 180 256 20% -__ _-_ _ -_.-._- --- ;- ___-- ~ 10 small boulder 256 362 10% -' ' "' 5 small boulder 362 512 I~ medium boulder 512 1024 0% p large boulde 1024 2048 0.01 0.1 1 10 100 1000 10000 ve lar a boulde 2048 4096 particle size (mm) total particle count: 100 f cumulative % # of particles bedrock based on size percent less than (mm) particle size distribution clay hardpan sediment D16 D35 D50 D65 D84 D95 gradation geo mean std dev detritus/wood articles onl 0.062 0.06 0.1 0 0 0 2.3 0.1 2.3 artificial based on percent by substrate type total count: 100 total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 42% 58% 0% 0% 0% 0% 0% 0% 0% i~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ River Basin: Tar-Pamlico Watershed: UTSC XS ID XS 6 Draina a Area sq mi : 0.424 Date: A ri12006 Field Crew: Hayes, Helms, Patterson Station Elevation 0 72.37 10 72.07 20 72.01 30 71.88 39 71.32 41.6 69.98 43.4 68.66 44.6 68.09 45 67.06 46 67.14 46.7 67.21 47.3 67.33 48 68.42 49.4 69.62 52.2 71.07 60 70.94 70 71.26 80 71.55 SUMMARY DATA Bankfull Elevation: 69.8 Bankfull Cross-Sectional Area: i 1.9 Bankfull Width: 7.9 Flood Prone Area Elevation: 72.5 Flood Prone Width: >80 Max De th at Bankfull: 2.7 Mean De th at Bankfull• 1.5 W / D Ratio: 5.2 Entrenchment Ratio: 10.1 Bank Hei ht Ratio: 1.5 Slope (ft/ft): 0.005 Discharge (cfs) 44 i Tar-Pamlico River Basin, UTSC, XS 6 74 - -Bankfull .. - _ - _ _ _ _ _ _ _ ~ ,. .. - .. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - Flood Prone Area w 72 a~ `. 0 70 - - - - - - - --- - - - - - - - -- - _ - - - - _ - - _ -_ ~ - - - - - - - - - -- -- a~ W 68 66 0 10 20 30 40 50 60 70 80 Station (feet) 69 6 - Unnamed Tributary to Swift Creek Prof le 6 . 4 69 rT I I I I I I i I I I I I I I I I I I I Tr-~ I I I I I I I I I 1T-i I I I I I I I f~~ I I I I I I I ~ i !-TTI-I-r- ( I I I I I I I . 69 2 ' ~ ~ I I I I I I I I I l i l I I I I I I I I I I I I . 69 ~ I I I I I I I I ~ I I I I I I C I I I I I I I I' ~ 68 8 ~ ~ ~ ~ ' I I I I I I I I I ~ I I ~ I I ~ I I I I "T-'M"T-I- L__;,., I I I . 0 68 6 ~ I - ~ ~ ~ I ~ I I ' I I I I I I I I' I I I I I I - I ~ I I I . W 68 4 ~ I ~ ~ ~, ~ ~ ~ ~ I I I ~ ~, I I I I I I I I I ~ ~ I I I I I I I I I I I I. I ~ I I I I I 8.2 I I I ' ~ I I I I I ' ~ I ~ l I i l l l l I ( I I I I I I I I I I I I I I I I I I I I I I I I I I l i l l I I i I ~ 66 I I ~ ~ . I ~ I ~ I I I I I I I I I I I I I I I I I I I I I I I I l i l l l I I f I I I 1 1 1 I I 67 8 I I ~ ~ I~ I I~ I ( I i ~ I I I ~ I~ i I I ' I I I i l r I ' I I 1 1 I I I I I I I I 1 1 1 1 1 1 I I I I I I I I I I I I I I I I 0 20 Elevation BM' 40 60 80 Channel Distance (h) -® Elevation - WS 100 120 140 inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV Holes distance station 100 TP bed water LB RB BKF azimuth bed water srf LF RB BKF WS 100 69.23 69,41 17 7 __ 100 69.12 69.4 20 ~ 100 68.88 6928 1(i.7 100 68.56 6924 ~ fl h 100 68.82 69.13 I?.6 ~ _ 100 68.67 - - - 68.97 ~1 ] 100 68.68 _ _ 68.94 ._ _ 1G0 68.42 68.89 100 67.95 _ 68.83 1(l0 106 n r' 100 100 ~ tl 100 10G 100 •~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~I River Basin: Tar-Pamlico Watershed: UTSC XS ID XS7 Draina a Area sq mi : 0.424 Date: A ri12006 Field Crew: Hayes, Helms, Patterson Station Elevation 0 69.74 10 69.65 20 69.29 23 69.28 24 69.21 25 68.40 26 67.78 27 67.01 28 66.16 29 65.09 30 64.60 31 64.82 32 65.40 33 66.29 34 66.87 35 67.23 36 67.47 37 67.97 38 68.76 39 68.96 42 69.06 48 69.19 55 69.52 63 69.91 SUMMARY DATA Bankfull Elevation: 67.3 Bankfull Cross-Sectional Area: ]2.0 Bankfull Width: 8.6 Flood Prone Area Elevation: 70.0 Flood Prone Width: >65 Max De th at Bankfull: 2.7 Mean De th at Bankfull: 1.4 W / D Ratio: 6.2 Entrenchment Ratio: 7.6 Bank Hei ht Ratio: 1.6 Slope (ft/ft): 0.005 Discharge (cfs) 48 Tar-Pamlico River Basin, UTSC, XS 7 72 - - Bankfull 'i i - - Flood Prone Area 70 m `. 0 68 m W 66 64 0 10 20 30 40 50 60 70 Station (feet) Stream Type: ES 66 5 - Unnamed Tributary to Swift Creek Profile 7 . 66 I C I I I I I ~~ I I I I I I I I I I I I I I I I I I I ~ I I I 1 1 1 1 1 1 1 I I I~ I I ( I I I I I I I -tom-r I I 1 1~ 1 1 1 1 I I I 1 1 1 r -r~~-m I I I I I I I I I I I I I I I I ( I I I I I I I I I I I I I I I I I I I I I I I I I I '. I I I I 5 5 '. I I I I I l I l l l l l i l l l I I I I I I I 1 1 1 1 1 1 I I 1 1 1 1 1 1 1 I V I I I I I I I I I I I I I I I I 1 1 1 I 1 I I I I I I I I I I I I I I I I I I I I I I I I 1 1 1 ( I I I I I I I '~ ~ . 65 I I V I I I I I I I I I I ' I I~ '. I I I ! , I I I I I I I ~ I I I I I I~ I r i l l I I I 1 1 1 ( I I I I 1 1 1 1, 1 1 1 I I 1 I 1 1 I I I I I I I I I I I I I Ir.~~~,- I 1 1 1 I ~ I I I 1 1 1 I I I I I I I I 1 1 I 1 w 64 5 I I I I I I I I I I I I I I I ! I I I ' I I I I ~ I I I 1 1 1 1 1 1 I I I I I I' I I I I I ~ I I I - I I I I I I I I I I I I I I I ( I I I I I I 11 1 1 1 1 I I I i l 1 l 1 1 1 1 1 1 I I I I I I 1 I . 64 I I I I I I '. I I I I I I I I I i '. I I I I I I I I I I I I~ I I' I I I I I I I I I V I I I I I I I I I I I i l l I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I 1 I I I I I I ( I I I I I I I I I I I I I I I ( I I I I I I I I I I 11 I I 1 1 I I I I I I , I I l l l l i l I I I I I I I I I I I I I I I I I I I I I I I I I I I 3.5 ( 1 I I I I I ~ 1 1 1 1 I~ I I . I I I I I I I ' I~ '. I I '' I I I I I I I I I I I I I I I I I I I I ( I I I I I I I ( I I I I I I I I I I I I ( I I I I I I I I I I I I I I I I I I 1 1 1' 1 1 1 1 I I I I I I I I I I I I I I I I I 1 1 1 I I I I I I I I I I I i l l l l l l 11 I I 1 1 1 1 I I I I I I I ( I I I I I I I ' I I' I l l ( I I I I I I I 0 20 40 60 80 100 Channel Distance (ft) -~- Elevaton WS 120 140 160 180 Elevation BM: Inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance station 100 TP bed water L8 RB BKF azimuth bed water srf LF RB 8KF WS 100 65.62 66.27 1 A.4 - 100 65.44 66 2.6 100 64.85 _ _. _. 65.87 i 3.4 100 64.32 65.73 10.9 ~ 100 65.40 65.71 1.9 100 64.09 65.7 46.0 100 64.96 65.6 19.-% 100 64.75 65.57 1:+.4 100 64.94 65.44 _ 100 iLi' 100 0 (`' 100 100 >', i, 100 100 100 Riffle Peh61e Count Material Size Range (mm) Count silt/clay 0 0.062 very fine sand 0.062 0.13 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 9 ve coarse sand 1 2 23 very fine gravel 2 4 57 fine gravel 4 6 6 fine gravel 6 8 2 medium gravel 8 11 2 medium gravel 11 16 1 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 ; large boulde 1024 2048 ; ve lar a boulde 2048 4096 total particle count: 100 bedrock clay hardpan detritus/wood artificial total count: 100 Riffle Pebble Count, Harrell-UTSC-Pebble Count 7 Tar Pamlico Note: XS 7 Riffle Pebble Count, Harrell-UTSC-Pebble Count 7 100% 60 90% - i i.~ ~,; 80% ~ 50 0 70% c __ -. _ I ri _ - - ~ 40 c w o ~ ~ ~, ;I c~ c ~ ~ a- - ~ ~ -o ~ I ~~ ; ~ ~ 20 ~ 20% _ ~' ~ 10 10% --- - ~ - -- - 0 0 /0 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) -F cumulative % # of particles ased on size percent ess than mm particle size istn ution sediment D16 D35 D50 D65 D84 D95 radation eo mean std dev articles onl 1.235 2.07 2.5 3 4 6 1.8 2.2 1.7 ase on percen y su s ra a pe total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 0% 32% 68% 0% 0% 0% 0% 0% 0% very fine sand 0.062 0.13 fine sand 0.13 0.25 ; medium sand 0.25 0.5 ; coarse sand 0.5 1 ve coarse sand 1 2 35 very fine gravel 2 4 51 fine gravel 4 6 4 fine gravel 6 8 6 medium gravel 8 11 2 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulde 256 362 small boulde 362 512 medium boulde 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total oarticle count: 100 clay hardpar letritus/woos artificia total count: 100 Pamlico 100% 90% 80% c s 70% c 60% ~ 50% a 40% 30% 20% 10% 0% Note: 60 50 40 c v m 30 ° w n 20 m 10 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) `~ Tcumulative % • # of particles sed on size percent less than (mm) particle size distribution diment D16 D35 D50 D65 D84 D95 gradation geo mean std dev rticles onl 1.320 1.92 2.4 3 4 7 1.7 2.2 1.7 sed on percent by substrate type al count silUclay sand gravel cobble boulder bedrock hardpan wood/det artificial 2% 35% 63% 0% 0% 0% 0% 0% 0% O CJ7 A W W W W W W W W W N N N N N N N ~ O T1 Q ~ ~ ~ ~ O W O Do O ~ A W N ~ 0 0 CO 07 a1 U7 A A 0 0 ~ p~ ~ ~ A A Ut au ~ O „~~, ro C. ~ . ~. 7 r.i d ~ <D ~ ~ n d H ~ ~ ~ Q W ~ ~ W O O O O O W W O O O O O O W W O O O O W ~ ~I v O v v v O CIS CJ7 CTl Ut A A A A O O W O v v ~ U7 A aD N N 1 OD CO W A t0 OD OD GO O A (.fl ~I W O E y N O CO O CT CO (O O) Cn O A O W DD O O ~ A O GO CO ` ~ °o 3 ~ ~ ~ w m o 7J ~ ~ ~ ~ ~ ~ "' °O ~ C~ ~ -o Elevation (feet) ' d ~ ~ ~ y ~ ~ ~ d ~ ~ ~ k o` a o °o. ~ ~ ~ ~ ~ ~ o ~ ~ m ~ ~ = A ~ ~ ti7 7y ,.tiy ~ `~' T ~ ~ ~ " e o ~ ~ a H ~ m ~ d m rn ~ ~ ~ w ~ ~ c ' -~ ~ ? ~ ~ ~ ~: o a ,~ o ~ O '. O 7 ~. 7 CrJ ~. ~ ~ ~ C m O ~ C_ ~ ~ ~ .~r i O = ' 1 ~ A 1 ~ O 1 1 1 1 i N O ~ 1 ~ w p ~' v oo .~ : ,~ ~ ~ ~ O ~ ~ R "' O O w oo -~ cn O ~p A A A 1 0 'S F ~ M' ~ A ~ ~ '~ ~ ~ fn W 1 C' y R € ~ ,~ ~ r v O ~ ~ ,~'" ~F ~ ~ '~ ~ ~ ~ ~ ~ ~ "xi ' ~, a s ~ . * E ~ ~ ~ a s ~ ~~ ~ .~ A ° ~ ~ . ~ ~ ' ~` ~,~. { ~r° ~, o - - ~ ~:R , ,, ;fi k~ ~ TI W ~ ~ ~ Q ~ ~ C "./ ~ ~ r 4 ~~~ ~ i 65 5 Unnamed Tributary to Swift Creek Profile 8 . --rTr'r'Tr -rr~-r7-I-I~r TTr1~rT 7Tr- 65 . 1I I I I I I I I I I I I I I I I I I I I I I I I I ~ I I I I I V I I I I I I I I I I 1 1 I I- I I I~ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I t I l t l I I I I I I I I I I I I I I I I I I 64 5 I I I I I I : I I I I I I ~~ I I I I '~ I I I I I I I I I l l I I l l l l l i I ~ I I I I I l l I I I I I l l~ l l l I ' I I I I I t ( I I I I I I I I I I I I I I I I I I I I I I I I I ~. I I I I I I I I til~+-1 I I I I I I I I I I I I I I I I I ~1 I t I b I I I I I I I I I I I I I I I I I I . 64 I l l i l l I I I I I I I I I I I IIIIIIII I I I II ' l l l l l I I I l l l I l I I IIII I I I I I I I I IIIIIIIII 1 1 1' 1 1 1 ~ IIIIIIIII I I I I I I I IIIIIIIII I I I I I I I I 'IIIIIIII I I V I IIII I I I ll I I I I I I I I I IIIIIIIII 0 y 63.5 W 63 I I V I I I I I I I I I I" I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I. I I I I I I I V I I I I I I I I I I I l l I I I l l I I I I I I I I I I l l i l l I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I ~ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I ' I I I I I I I I I I I I I I I I I I I I I I I I t I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I V I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 'I I I I I I I I I I I I I I I I I I I ~I I I I I I I I I 62 5 I I l l i I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 1 1 1 1 I I I I I I I I I I I I I I I I I I I ' . 62 I I I. I I I I I ( I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1' 1 1 1 1 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 1 1 1 I I I I I I 1 1 I I I . I I I I I I I I I I I I I I I I I 1 1 0 20 40 60 80 100 120 140 Channel Distance (ft) I + Elevation WS 160 180 200 Elevation BM: inc BS HI FS FS depth FS FS FS FS AZ ELEV ELEV ELEV ELEV ELEV ELEV notes distance station 100 TP bed watsr LB RB BKF azimuth bed watersrf LF RB BKF WB 100 62.22 65.34 09.9 100 64.19 --65.31 13.5 100 64.82 65.29 10.5 100 64.35 65.2 1?.A 100 64.94 65.18 9.3 _ 100 64.33 65.1 13.1 100 64.39 65.04 ~? ;; 100 64.53 64.97 ,.. 100 64.45 _ 64.82 100 64.74 __ _ 64.79 10 ~ 100 63.71 64.69 n p _ 100 1 ~ 100 n 0 100 n f: 100 O t 100 •~~~~~~~~~~~~~~~~~s~~~~~~~~~~~~~~~~~~~~~~~~~1 i•••••••••••••••••••••••••••••t••••••••••••• Riffle Pehhlp Count Riffle Pebble Count. Material Size Range (mm) Count silt/clay 0 0.062 100 very fine sand 0.062 0.13 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 bedrock clay hardpan detritus/wood artificial total count: 100 Harrell-UTSC-Pebble Count 6 Tar Pamlico Note: XS 8 Riffle Pebble Count, Harrell-UTSC-Pebble Count 6 100% 120 ~ 90% - - I ~ ~ ` I T ~ 100 80% _- 70% c , . _ ~ _ _ ~ ,-~ _ __ , ~~ __ ~ ~ 80 ~ m ~~ - __ ~ ~ w ~ ~ ~ ~ ~, ~~ 60 ~ 50% c ~ ~ - ~ ~ i ~ i ~ v 40% _ i_ ~ ,_ _ _ ___ ,_ . ; _ _ ~ ~ j__-. ' ..._ ,.. ,. __- ~~ r_r__....__ ~ 40 m N ~ ~ 20% i ~~ 20 - 10% - - ii 0% 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) -f-cumulative % # of particles ased on size percent ess t an mm partic a size istnbution sediment D16 D35 D50 D65 D84 D95 radation eo mean std dev articles onl 0.062 0.06 0.1 0 0 0 1.0 0.1 1.0 ase on percen y su s ra a pe total count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 100% 0% 0% 0% 0% 0% 0% 0% 0% very fine sand 0.062 0.13 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulde 1024 2048 ve lar a boulde 2048 4096 total particle count: 100 clay artificial total count: 100 100% 90% 80% c r 70% c 60% w 50% U a 40% 30% 20% 10% 0% Note:IXS 8 ,~ - -~- 120 100 80 Q m 60 ° w 40 m 20 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) ~ cumulative % # of particles ~ed on size percent less than (mm) particle size distribution liment D16 D35 D50 D65 D84 D95 gradation geo mean std dev ticles onl 0.062 0.06 0.1 0 0 0 1.0 0.1 1.0 ,ed on percent by substrate type it count silt/clay sand gravel cobble boulder bedrock hardpan wood/det artificial 100% 0% O% 0% 0% 0% 0% 0% O% !•••~••••••••t•r•••••••~••••••••••i••••••••• ~I V W (n A A A A A A A A A W W W N~ O TI p p ,k' ~~ Gn O O O 00 O O GI A W N N -~ CO O O O O ~ y~ r~i pi CT W N CIl ~l Ate„ ~ 61. i-r •+ ~ a. ~ . 3 d ., ".L n O1 N ~ ~ N <D ~ C. y D 7 O O 0 0 0 0 0 0 001 O W O O O O O W O ~ O O O O O U7 A W W W A A U7 O W O V ~I Oo Ul O W W 1 N 0 0 (T U7 O O U7 N O U7 A CO Ui ~ y ~J CO ~l N ~ J O O ~ (r (O ~l A ~I O CO ~l (D O < ~ C7: ~ O O x~~xc-~ Elevation (feet) ~ ~ ~. a~ rn rn rn v ~ 3 ~ N A ~ OO O Vn O `U K 1 ! (p H 1 1 p 1 1 ~ 1 1 1 1 O 1 i / 1 1 1 i 1 i i 1 1 N O 1 i 1 1 1 1 i 1 Y ~ / 1 ~ W 1 ~ ~ O 1 + `~ 1 t ry ~ ~r, r F~y m 1 i ~ 9 ~ 1 t ~ - _a CD 1 i '~~ .- ~ r , •r y~ 1 i ~" ,~ 1 t ~ 1 n ~ ,~ 0 1 ~ ,:- ;, ~k ~. ~~, 1 ~ C' ~ P "" w / ~ ; ~F. ... y= _ „~„ _ °~ ~ ~ 1 ! ~ 1 1 ~~ W 1 1 ~ 1~ 1 1 _ 'qtr i R ~ 1 1 1 1 ~'~~ ~le~? 1 1 1 i tyre ~~ya,... } ~~ ~B ] 2 O ~ ~r 1 ~ C y ~ ` 1 ~ i ,+~~ d 7 '~ 1 N i i ~ [ . ~ ~ . 0 d y ~ ~ o ~ W ~ ~ CrJ o M o ~ t7 ~ A o ~ m " '~J o c 'T1 o a. b9 ~ 7s by n ~ = W ~ ~ ~ ~' ~ x ~ z d d b b ~ ^^ ~ O ~ "~ •• 7 ~ ^' ~ m K A A N , ` m d .m r ~ ~ ~ d ~ A ~ .. ~ ~ C: r K .. m ~ o O ` -J .'Y.. '~ L7 ~ A m W ~ O `~ v ~ _. N J ~ ~ ~. O ~. N ~ 01 N O W O N 4~ N J ~ O A J W U7 A W W W W W W A W W W W W N N N N N N~ O N~~ O GO 07 ~I Ui W O O T1 0 ~~~~ W d1 W O O (P W W A W (r CJ1 A O Do O au ~ y~ ~, ~ ~ ~. --i .~* ~ Q A ~ N W n ~ O 1D N S N ~ O. D ~ rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn A A A W N S ~ O O O O N W A A U7 V7 U7 Ul ~ ~ O~ N O O CT N O O v v O~~ A O O O A A~ 00 CO A v W N~ W v N~~ O A y A O U7 O O W ` ~ °o 3 ° ~ ~ ~ O .f v~ ~` ~ ti v~ o (7 y Elevation (feet) x °o ~ ~ ~ ~~ ~ O O N ~ ~ ~ ` O d °' 1 1 fD ~, ~ 1 1 1 1 1 1 1 1 1 1 1 1 O 1 i 1 1 1 1 1 1 1 1 1 1 N 1 1 1 1 ~ O 1 1 ~ b 1 1 Q ~ ~~ j ' 1 1 ~ 1 1 0 ~ ~ 1 i yy ~ ` t a 1 1 ~~ '~ j W 1 / W ~ si ~~ ~.. ~ C~ ~ 1 1 1 / - .. ~ 1 1 1 1 / /~~ l 1 ~ ~ 1 1 1 ~ }~ .! A 1 1 1~ ~ ~ M ~ °ll~ ' f O 1 1 1 1 ~, 1F± ~ i g~ 9 ~ f y F ~ ' 1 1 A i !~ 1 1 ~ ~,aa",;. 1 1 1 1 q 2 Ul 1 1 1 1 hw O 1 T W ! ~' 1 O O Q SU ~ 1 M _ 1 ~ C i - 1 ~ i (D - ~^ ~ , D ~ m Iv ~ ~~ ~: rn 0 I d ~ trJ ~ C17 ~ ~ ~'~, "_f ',sI tO CJ bD ~ ~ H ~ O A ~ .O+ o C A 5 P1 " O n. O c ~ F p F' 7 ~ ~ o ° '~ ~ ro = ~ ~ y ~ eo c ~ x ~ K • d ~+ S o O ; o O t! C~ Cs1 77 '. '. y C ~. ~ ~ G1 ~ ~ ~ T om ? Y `o ~ ~ ~ " ~ m ~ Y ~ , ~, S ., C~1 .r'. ~, ~ C < . 0 C . 7 7 ~ A W O d O o .r N ~ w 0 N N w O V p ~ oc oo w O N --~ o ~ A A ~ El evat ion ( H) o ~ o w ~ rn rn m a rn rn w m m A A p O ( O A - ~ N (D ~p - -__ _ O N ~ - - _ _ _ _ - - < m - m co °' g - - - - - - - - ~ ~ N O _ O'OO ~~~~ O'O O r r r OO O ~ ~ ~ O'.OO ~~ OO OIO O S - - - - - - 0 0 0 0 0 0 O O O O O O O~~ O !J ~ ~ - J T o - fD ~ - - - - - - - C - - - - _ - - - - J N ~ a ~ m N _ ~ ~. ~ ~ - - - - - - - - ~ ' n m m~ m d $ ~ _ o - - - - - - - - o, o ~ x ~ ~ ~ ~I ~ ~ x _ _ _ _ _ _ _ _ _ ~ w ~ 0 ~ ~ ~ N ~ o N D C S O rn w rn w rn w rn w rn w rn w m w rn w rn w m m r a~ - - - - - - - - - - CIi tp J O CIi O A N A O A O aJ N V A m OJ - - - - - - - - ' ' ' f , , n i m ~ r m < - - - - - - - - - o m - ~m pm wm - - - - - - - - - ~ m o ~ r m < _ _ _ _ _ _ _ _ _ _ A A A A A AA ~m __ _ - _ . _ JI J (O O N N ~ N N .. . N J ~ E ~ 0 rn 0 m rn o Ele rn ~ vation m (H) m c _ s rn a rn N 0 - - - - w n " n~ ~^' w _ o _ ~ m ~ -- - -- - - - - - - - - - -- - - - - o _~ _.o N b~u,m v, ~ n n c~ o, m - -- - - -- - - - m o m m ' _ - -- -- -- -- of oo ooo ooo 0 0 0 0000 0 2 ~- - - -- -- ~ ~ - -- - o0 0 0 0 0 0 0 0 000 0'0 0 0 0 - - U in o ' ' - - - - - - - - - a m m ~ a _ _ _ _ - - _ _ - _ _ - - _ _ - _ _ _ _ _ _ - - - - - - - ~ j N f ~ mD - - - - -- - - - - -- - - -- - - -- - - ~ a ~ ~ ~ Q 'f ~ -- -- - -- -- -- - ~ ~ T ~ ~ m .. _ - - - - - - - - .2 O m m - - - - - - - - - - - O rn ~ E o o m __._ ~ A ~1 (/J t ~ l _ __ _ _ _ _ _ _ _ _ _ _ ~ N QJ D O ~ N N O T - - - - - - - - - - _. - (n - - - - - - - - - - - - - N ~ D ~ O - - - - - - - - - - - m - rn 0 rn 0 rn 0 rn 0 rn 0 rn ~ rn o rn -~ rn -• rn o ~ ~ a.~ __ _ __ __ __ __ (O O cp ~I O~ N J rn cp cp ~ O c0 N O c0 ~ N W O - - - - - - - - - - m m - -- -- - ~ r ~m - - - - - - - - - - - 4) G - - - - - - -- -- - m r r o ~ ~ _ _ _ _ _ _ m - -- -- -- -- -- - m ~ -- -- -- -- -- -- - ~ m m ~ -- - -- -- -- -- - rn m rn rn rn rn rn rn~rn rn ~m r _ _ _ _ _ _ _ N ~ W OWO W W ~ W ~ ~ ~ [n ~ O Appendix F. Reference Reach Data 1 i ~i 1 1 1 i 1 1 1 1 i 1 1 1 1 1 i 1 1 1 / i 1 1 1 1 1 1 1 1 1 1 1 i 1 } 1 1 1 1 E 1 1 / 1 1 1 1 1 1 1 i 1 1 1 1 / 1 F ~ 1 TI W O ~ O ~ a ~ ~ 0 m D i I m v _. C c ~ a ~ ~ ~ c c ~ ~ ~ ~ l 0 ~+ ~ ° o e 7 ~ S e o :, ~ x ~', ~ C z o d d a b o. b ~ ~ x' = x' ~ ~ ~ ~ a.i .~.. ~ ,d„ ~ '. .. S O O o O _ ~! C _ C1 _ Cr1 TJ f1 y • • 7y. eD M O • S {17 ~ K fD ~! fD Ji d ~ y ~p ~ " C d .. ~ ~y C ~ i ~ O ~ ~ a ~ v ~ o O ~ o 7 ~' S rrJ ~ ' ~ C < C ~ '~ O 7 7 O A~ ~1 O ~ W ~ '~ N ~ ~ W N ~p O O O ~ N J O~ O i.~ ~ ~ J ~ -nvox g~ E N V ~I O CT7 U7 CIl U7 Vi A A A A A W W O O C C O N N C H W W W W W W W N N _ ^ ~ N N N N N N N m W C. ~ ~ d ~ ~ '~ T r ~l 07 O ~l CT W O (O O < ~~ O O U7 A W N W ~ 0 ~~ O ( 1 v CO N O~~ W O CT A N~ 0 0~ 0 p n Df W O O O O T O N N O Ui A W CT7 CJ~ 7 l (O O 7 ~ 7' ~ D G N N d (O (O CO (O CO CO (D (D CO (O CO CO CO tD O O O O O O O O O O O O O O O O O O O O O O CO O~ ~ CO Oo CO (O CO CO CO (D Oo Oo Oo CO CO CO O O O O O N O W ~ U7 O O O O W W Oo Oo cD CO CO (O CO CO C W O O~ O ~l N W N N CT W W (O ~~~~ ~~ ~I W ~ CO O N A ~I (O O CIl ~1 ~ W W (T A A A 3 1 (r W O ~I A O N A O (O CT ~ N W W W~ O U7 O (O CT W W U7 N O W V N (T ~l -~ 01 (O CO A O .7 zwxz~ __ o ~:~~ Elevation (feet) ~ ~ °o o w "~ CO N O c i, rn ~ oho ~ o ° ° ~ ~ N z O ~ I w o ~ N C7 o ~ ,~ W "'~ o ~ ` ' < f9 't i i A ~ v' O O ° ~ , v C ~ Y '~U ~ ~ .. t ' { ~ .~ ffQ fD _ ~ f.:: T i ~ ., _~ ~ ~ ~ .rw N"` O ~ I i ~ I ~~ ~ ~ ~ ~ ~ ' ~ ~ K ~ ~ ; O ~ ~ per 1~ +~p 'rc ~ ~ /`. ~ ~ - ~ ~,. 4 `4 § ~. O W ` ' . p . ~,-~ ' ~ ~ ~ ~>>~. O ° ~ ~) ~ ~ ~ y ~ il ~ ~ ~ ~ . l i~ 4 .t ' ~ ? ~.f _ ~ ~ ~ ~ ~' Y ~ ~ . # ~ i p: k t t F e ~ ~ k 3 1 i ~ 1 1 1 1 1 1 ~ ~ ~ ~ ~ ~ ~ ~ ?1 W ~ ~ 7 O a ~ ~ ~ 0 1 ~ ~ D I ~ N O ~ ~ ~ a c A o ~ ~ '* A ~ o m 's o n o a m o ~ 0 ~ ~ 0 ~ C, ~ ~ ~'-. 'x n d "~ d d a ~ b C C C C y eo M 3 K '. O o ~! ~ Crl A y ? ° ~ m ~ ~ y A -~ ° a o ~ e ., A m ~ _ N_ w N '...-~ ~ O O O ~ N ~] _, ~ ',s OIOIOIOIOIO IOIOIOIOIOIOIOIOIOIOIOIOIOIOINIVIWIOIOI~IWIOI vI ?IJIWI~I~IOI~l~lfs OI'~I WIO WIOO ICTIOIWICOIOOI OIO)ItOININI~ImIOIWIWI~IWIU7l AI~ICOI AI OVI NIOIODIOOIWIWIWI~IO Elevation (feet) co co cfl cfl o 0 0 0 W v W O O ~ N W O O N O W A O O _~ _ ~ `. O O O O N ~ 1 1 1 1 1 1 1 1 1 1 1 / 1 1 1 1 1 1 a i ! i tl I 1 t 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 f 1 a 1 i 1 1 1 1 1 Y ! 1 1 1 1 1 1 1 1 1 3 I S I 1 1 1 1 1 1 1 T W Y 1 + 1 O ~ ~' / C ~ -_ e 1 O 7 fD D ' m v O _-- O ~' W .+ ^' W O O J O~ ~p ~ O O J~ Va O O N pp N N Reference Reach Data Bed Materials able Count of Cha nnel Reac h Material Size Ran a (mm) Count silt/cla 0 0.062 11 11 very fine sand 0.062 0.13 18 29% fine sand 0.13 0.25 29 58% medium sand 0.25 0.5 35 93% coarse sand 0.5 1 6 99% ve coarse sand 1 2 1 100% very fine gravel 2 4 100% fine gravel 4 6 100% fine gravel 6 8 100% medium gravel 8 11 100% medium gravel 11 16 100% coarse gravel 16 22 100% coarse gravel 22 32 100% very coarse gravel 32 45 100% ve coarse ravel 45 64 100% small cobble 64 90 100% medium cobble 90 128 100% large cobble 128 180 100% ve lar a cobble 180 256 100% small boulde 256 362 100% small boulde 362 512 100% medium boulde 512 1024 100% large boulde 1024 2048 100% ve lar a boulde 2048 4096 100% total partic le count: 100 clay hard count: Northeast 100% 90% 80% c r 70% c 60% w ~ 50% U p. 40% 30% 20% 10% 0% 40 35 30 c 25 ~ m 20 ° d 15 m y 10 5 0 0.01 0.1 1 10 100 1000 10000 particle size (mm) -}cumulative % # of particles e on size percent ess t an mm partic a size istn ution invent D16 D35 D50 D65 D84 D95 radation eo mean std dev icles onl 0.075 0.14 0.2 0.3 0.4 0.6 2.4 0.2 2.4 e on percen y su s ra a ype I count silt/cla sand ravel cobble boulder bedrock hard an wood/det artificial 11% 89% 0% 0% 0% 0% 0% 0% 0% •••••••••••••••••••••••••••••••••••••i•••••• 0 co c c o c n rn Elevati c o ° on (H) n ' m N cn a m 0 i T iN W Ut U~ m U~ W I A A N W W A ) 7 7 ' V G A A G~ l A A I. N ~ Q J -~ i ~~ O O O O O O 0 0 0 0 O (T CIi 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O O O ~ ~ ~ O __ _ - Y ..__ _ I N -- - -' S - - -- N W J J m m (T (T W N N N ~ B O O p p W W V V m m (T j A A W W W N N N ~ -~ -~ U w ~ U7 O CP N C O (T O N - ~ O A O - J (P N CT N ~ CO c~ N c? m o O o J n O o m 0 O 0 m . o o Q~ o N 'O N n O> o N o (p o V b N o J - o N 0 O o ~ O o m _ __ -. _- - o o ~ '7 O Cl 0 0 O J ~ O O 7 '~ O O - ] _ I ~ d O I o O _ O 0 O 0 '~.^ J o ~~ ~~ '~ J O Cl O ~0 ..7 ~.~ O ..,.0 O O 'J._CJ O~IOO O'.Oi0 O Oi0 0i00 OO O 0'Oi0 O O O 0i0,0 O O O O 000.0 O 0 =~- . --- -_._ ._ __.. -- .. - - - - - - ~~ O ..._._. __ __ --~ ~ T (D ~ 2 Z O - -_ -- - - _- I ~ a S I ~ j N O ~ (O v S ~ o r m m ___ __ __ _ _ ~ ~ ~ o ~ ~ m o ~ --- - - __ - - _ N Tl T 1 ',, ~ ' ~ I ~ .. _ _. __ _ __ . - .F . I ~ ,. s . a o ~ ... i I „ ~ ~ -__ - _ ~ - __ __-. - _ W O 3~ __. __--__. m N yy N O __ __ `3 _ ~ _ _ _ _ _ _ I ~ ~ - ~ m - - - . - - _ k. _ _ _ _ _ _. (O O (O 01 cp m ~D O c0 Q) (O m (O Q1 (p Q) t0 Q1 cp Q1 t0 Q~ tp O cp Q~ tD O) [O Q~ (O p cD 0 cp 0 cp Q1 (O Q> (O a) tD O~ (O 01 cp p cp 0 c0 O~ [O O~ cD O~ cp O~ cp J cp J cD J cp J [O J cp V <D V c0 ~l (O V (O V (O O) ~O Q~ N d ~ r I ' '. (T N V W p O W N J J Oo ~ W ~ J J Q/ O W A N (T ~ (O W ~ N N O m ~I N T W W O W N W 0/ W O O A O A (p A (p A ~ (Jt O J -+ (O (O 0 U~ 0 A 0 m ~ (O (T N W N N ~ cp cD W (n _-_ I -- m m ~n < ° -- - ~ ~ - - - - I --- m Ism --- - - -- - - -- G A - ~ - -- aAO m ~ ~ m~ --- --- -- -- -- ---- ~m m --- --- -- -- -- ---: G co ~I co J co J co J co V m ~I co J co J co J co J c0 J co J co V co J co V cD V ~ J cO V ~ v to V co J co V co J ca J ~ v co J co J co J co J co V (O J co J <O J ~o V cO J co J co J ~o J co ~I co J ~ V m ~ r A A A A A Ut U Vt N m 01 O J ~I J r J N ~ N ~ ~ A N cAD ~ (O (O (O (D (O ~ ~ N W W ~ m J cNp J O ~ G O u .; S ~~ _ .: - ~ _ .. :. s W ~ W rn (JOIN (T U (T (T~ ~ N N (Jt N O 'A a O 0 A 0 W 0 W CO Oo 0 W tp W 0 W Cb N 0 W W A 0 W W O 0 W V CIt 0 W V N 0 W O> O 0 W O A 0 W O Go 0 W U N 0 W U O 0 W A ~D 0 W A W 0 W A W 0 W W Uf 0 W N ~O 0 W N (T 0 W N O 0 W A 0 j N 0 W O f0 0 W O A 0 W O 0 N t0 W 0 N cp N 0 N W V 0 N N O 0 N V (P 0 N V O 0 N QJ N 0 N O O 0 N G~ (Jt 0 N G~ O 0 N A V 0 N A m 0 N A W 0 N L 0 0 N W (T 0 N W O 0 N N CJI 0 N N O 0 N a V1 0 N a O 0 N O Gt 0 N O A 0 N O N 0 N O O 0 ~ J .. ~ -~ <p O o ~ ~ oo o0 ooo 0 0 0 o0 0 0 0 0 01010 0 0 0 0l0~0 0 00 01010 000 01,0 0 0 00 01010 0 0 0 0 010 0 0 0 01010 0 0 0 01!0 0 00 0 0 010 0 00 01'010 0 0 0 0 0 0 0 0 0 olio 0 - -. = _ _ .~ o ~~ -~ o co 'corn ~ W W A ~ co co rn rn rn NNW rn.V N co co co rn rn'rn N a V V rn co co co rn rn;rn O O c0 W N co co rn rn co c0 a rn W (p N co cD' rn rn N N co rn W co rn N N, co co rn~rn NIN N~W co ~ rn <D A co rn rn (T m N iD co co ~ co rn rn cn O O (O A (p co ~ cn rn Oo co ~ ~ rn rn a W V N m co co rnrn rn W~A W (Ji, ~D rn co co co rn rn rn N cp A W rn ~ co rn co rn~cp rn N N N co co co m m rn N~ A W m'. rn rn rn co co rn ~ N rn V co co rn rn NIN V W co m N V co co rn m W W W V co rn Ja co rn W W co rn (T W '. 1 ail I II ~. I I I c0 rn rn N cD rn rn W cD rn rn A <O rn QI rn ~D rn 01 W cD rn rn c0 c0 rn rn~ cD ~ ' V OOi V I OOi V OOi V m V m V t0 rn V a cp rn V cp rn V cp rn V a cp rn V N t0 rn V W cp rn V W cp rn V W cp rn V N cp rn V W cp rn V W tp rn V W (O rn V A (O rn V W (D rn V W cp rn V (Ti ~D rn V W ~O rn N a cp rn 00 (J~ cp rn OJ (J~ cp rn W rn [O rn W Ut cp rn W O cp rn W rn cD rn (O V ~O V O cp ~ a (O V (O V ~O V cp V cD V cp V ~O V a c0 V W cp V W c0 V A c0 V A cp V a (T Appendix G. Jurisdictional Wetlands ..`.~.. ~ U.5. ARM'Y' CORD'S OF ENGINEERS ~ WILMINGTON DISTRICT - Action ID. SAW-2406-44345-233 County: Ed~eeombe CJSGS Quad: Whitakers ~ GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION - Property Owner /Authorized Agent: KCI Tecttnoloeies. Inc. attn: Steve Stokes ~ Address: Landmark Center II, Suite 224 ~ 464]. Six Forks Rd. - Raleigh, NC 27649 Telephone No.: 919 783-9214 x 187` . Size and location of property {water body, road nasYte/number, town, etc.): 22.3 acres of agricultural land drainine to - Swift Creek, dust east of the intersection of SR1415 (Morninsrstar Churcbl and SR 1414 (Benson Farm), six miles northeast of Rocky Mount. NC. - Description of projects area and activity: Fill approximately 4.24 acres (3.485 linear feet by 3 foot wider agricultural drainasYe ditch bottoms to raise water table. - Applicable Law: ® Section 404 (Clean Water Act, 33 USC 1344) ^ Section 10 (Rivers and Harbors Act, 33 USC 403} Authorization: Regional General Permit Number: -- Nationwide Permit Number: 27 Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached - conditions and your submitted plans. Any violation of the attached conditions ar deviation from your submitted plans may subject the permittee to a stop work order, a restoration order and/or appropriate legal action. This verification is valid until the NWP is modified, reissued, ar revoked. All of the existing NWPs are scheduled to be modified, - reissued, or revoked prior to March 18, 2007. It is incumbent upon you to remain informed of changes to the NWPs. We will issue a public notice when the NWPs are reissued. Furthermore, if you conurtence or are under contract to commence this activity before the date that the relevant nationwide permit is modified ar revoked, you will have twelve (12) months from the date of the modification or • revocation of the NWP to complete the activity under the present terms and conditions of this nationwide permit. If, prior to the expiration date identified below, the nationwide permit authorization is reissued and/or modified, this verification will remain valid - until the expiration date identified below, provided it complies with all new and/or modified terms and conditions. The District - Engineer may, at any time, exercise his discretionary authority to modiFy, suspend, or revoke a case specific activity's authorization under any NWP. • Activities subject to Section 404 (as indicated above} may also require an individual Section 401 Water Quality Certification. You should contact the NC Division of Water Quality (telephone (919) 733-1786) to determine Section 40 i requirements. Far activities occturirtg within the twenty coastal counties subject to regulation under the Coastal Area Management Act {CAMA}, - prior to beginning work you must contact the N.C. Division of Coastal Management . This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State ar local approvals/permits. - if there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of Engineers regulatory program, please contact Jamie Shern at 9I9 $76-8441 x 31. ~ Corps Regulatory C?~cial Date: 8/16106 Expiration Date of Verification: ' _areh 18s 2447 Page 1 of 1 • • ,~~'~ ~`''" a '"~~ o "'^'`'^~ '~'~ t a ~ `°"seev.~'~",••~,.M ` - ..~~„'w,.r'"~ ~i~ ~~ III w ~~ j I N \\\ ~ \` , ~~ 1 °w ~~``.,~ ~ H~~~~ ~, i !I ~. ~ ~•.~ ~ ~ ~ ~ iI ~X~ ~ ~I I ~~ ~~~ j ~ ~., ~~ I, ~., ~ ail .~ w I ~~ ~ i `~ I I~ ~~ ~ ii \~ ~ II ~~.,~ ~ ~ jf I, I, 'I I ~`~. ~ ~ II ~`.~ ~ II ~~ ~ ~ III /~ ~ II I _..~.... ~~i`h`ffHf/f1fi5' ~_ ~ ~ ~ ~ i ~ ~ ~ ! o ? ~ ~~ ~~ ~ ~ ~ ~ ~ ~~ /N Wo 4 ~ ~ 8 ti O IFn N O ~` a HARRELL - UT TO SWIFT CREEK ~ y ~ ~ WETLAND ,~.~m ~ ~ RESTORATION PROJECT ROCKY MOUNT, EDGECOMBE COUNTY, NORTH CAROLINA E"~°~'P1'•r~tas•ccaarsrs ~AS'asu r~~~s ~:'n uc~rc ~'" REVISIONS Appendix H. Wetland Water Budget Harrell Farm - Existina Conditions D Year Water Inputs Water Outputs Change in Excess Wetland 1988 P Si * Gi PET So Go Loss to Ditches Storage Water Volume January 3.55 0.28 0.00 0.10 0.28 1.04 0.26 2.15 0.00 2.15 February 2.10 0.04 0.00 0.51 0.04 1.04 0.26 0.29 0.00 2.44 March 2.59 0.03 0.00 1.18 0.03 1.04 0.26 0.11 0.00 2.55 April 2.20 0.05 0.00 2.31 0.05 1.04 0.26 -1.41 0.00 1.14 May 3.64 0.31 0.00 3.84 0.31 1.04 0.26 -1.50 0.00 0.00 June 3.25 0.15 0.00 5.25 0.15 1.04 0.26 -3.30 0.00 0.00 July 2.24 0.07 0.00 6.44 0.07 1.04 0.26 -5.50 0.00 0.00 August 4.26 0.64 0.00 6.18 0.64 1.04 0.26 -3.22 0.00 0.00 September 2.40 0.04 0.00 3.97 0.04 1.04 0.26 -2.87 0.00 0.00 October 2.92 0.30 O.DO 1.57 0.30 1.04 0.26 0.05 0.00 0.05 November 2.48 0.10 0.00 1.08 0.10 1.04 0.26 0.10 0.00 0.16 December 0.58 0.00 0.00 0.23 0.00 1.04 0.26 0.09 0.00 0.25 Annual Totals Av .Year Water Inpufs Water Outputs Change in Excess Wetland 1977 P Si * Gi PET So Go Loss to Ditches Storage Water Volume January 3.95 0.72 0.00 0.00 0.72 1.04 0.54 2.37 0.00 2.37 February 2.02 0.06 0.00 0.34 0.06 1.04 0.54 0.10 0.00 2.47 March 4.83 0.23 0.00 1.51 0.23 1.04 0.54 1.74 0.00 4.20 April 2.04 0.14 0.00 2.80 0.14 1.04 0.54 -2.34 0.00 1.87 May 5.94 2.70 0.00 4.08 2.70 1.04 0.54 0.28 0.00 2.15 June 2.89 0.04 0.00 4.96 0.04 1.04 0.54 -3.65 0.00 0.00 July 1.70 0.01 0.00 6.80 0.01 1.04 0.54 -6.68 0.00 0.00 August 5.39 0.82 0.00 5.96 0.82 1.04 0.54 -2.15 0.00 0.00 September 3.73 1.63 0.00 4.58 1.63 1.04 0.54 -2.43 0.00 0.00 October 4.43 0.34 0.00 1.98 0.34 1.04 0.54 0.87 0.00 0.87 November 4.06 1.28 0.00 1.33 1.28 1.04 0.54 1.15 0.00 2.02 December 4.06 0.29 0.00 0.38 0.29 1.04 0.54 3.14 0.00 4.68 Annual Totals 45 04 8 7 OAO 3d 72 8.27 0 40 S 48 Wet Year Water Inputs Water Outputs Change in Excess Wetland 1989 P Si * Gi PET So Go Loss to Ditches Storage Water Volume January 2.49 0.02 0.00 0.48 0.02 1.04 0.98 -0.01 0.00 0.00 February 5.70 0.52 0.00 0.42 0.52 1.04 0.98 3.26 0.00 3.26 March 6.25 0.48 0.00 1.08 0.48 1.04 0.98 3.15 1.01 4.68 April 7.74 1.18 0.00 2.11 1.18 1.04 0.98 3.61 2.89 4.68 May 5.72 0.49 0.00 3.47 0.49 1.04 0.98 0.23 0.00 4.68 June 8.36 1.17 0.00 6.16 1.17 1.04 0.98 0.18 0.00 4.68 July 5.16 1.35 0.00 6.29 1.35 1.04 0.98 -3.15 0.00 1.53 August 7.58 1.30 0.00 5.45 1.30 1.04 0.98 0.11 0.00 1.64 September 2.89 0.06 0.00 4.16 0.06 1.04 0.98 -3.29 0.00 0.00 October 4.47 0.75 0.00 2.14 0.75 1.04 0.98 0.31 0.00 0.31 November 2.90 0.19 0.00 1.03 0.19 1.04 0.98 -0.15 0.00 0.16 December 3.56 0.29 0.00 0.00 0.29 1.04 0.98 2.58 0.00 2.74 Annual Totals 62 82 7.79 0.00 32.80 7.79 0.00 11.76 Water Budget Existing Conditions T _ _-.- .. Growing Season March 21 -November 11 5 __ Maximum Capacity (Ground Surface) ~r---~----fir---a~ 1 / ^ ,. 1 1 y d 4 ~ '. __.... _._..__ ____ ---1.._. ___.....____. - -_- _..---- ---- z v ~ 1 ' c / 1 m E ~ ~ ~ 1 1 , ~ ' ~ 3 , , 1 m ... `° ! 1 l ` ~ -a I _ .-1-*- -~ , 1 I 3 2 i ~ I \ ~ ~' ~ 12" Below M ~ -~ / I ', Ground Surface 1 . ~ / I ~ I ~ ~ I 1 ~ ~ I - - - ~ ^ 1 ; ~ \ ,` I / \ `„ ~ ~~~ / Jan. Feb. March April May June July August Sept. Oct. Nov. Dec. 4.68 in - Maximum Capacity/Soil Surface 1.56 in. -Jurisdictional Boundary (12" below ground) - -+w Dry Year (1988) - - f Average Year (1977) - -,• ~ Wet Year (1989) •~~~~~~~~~~~~~~s~~~~~~~~~~~~~~~~~~~~~~~e~~~~ Harrell Farm - Proaosed Conditions D Year Water Inputs Water Outputs Change in Excess Wetland 1988 P Si * Gi PET So Go Loss to Ditches Storage Water Volume January 3.55 0.28 0.00 0.10 0.00 1.04 0.00 2.69 0.00 2.69 February 2.10 0.04 0.00 0.51 0.00 1.04 0.00 0.59 0.00 3.28 March 2.59 0.03 0.00 1.18 0.00 1.04 0.00 0.39 0.00 3.67 April 2.20 0.05 0.00 2.31 0.00 1.04 0.00 -1.10 0.00 2.58 May 3.64 0.31 0.00 3.84 0.00 1.04 0.00 -0.94 0.00 1.64 June 3.25 0.15 0.00 5.25 0.00 1.04 0.00 -2.89 0.00 0.00 July 2.24 0.07 0.00 6.44 0.00 1.04 0.00 -5.18 0.00 0.00 August 4.26 0.64 0.00 6.18 0.00 1.04 0.00 -2.32 0.00 0.00 September 2.40 0.04 0.00 3.97 0.00 1.04 0.00 -2.57 0.00 0.00 October 2.92 0.30 0.00 1.57 0.00 1.04 0.00 0.62 0.00 0.62 November 2.48 0.10 0.00 1.08 0.00 1.04 0.00 0.46 0.00 1.08 December 0.58 0.00 0.00 0.23 0.00 1.04 0.00 0.35 0.00 1.43 Annual Total Av .Year Water Inputs Wafer Outputs change in Excess Wetland 1977 P Si * Gi PET So Go Loss to Ditches Storage Water Volume January 3.95 0.72 0.00 0.00 0.00 1.04 0.00 3.63 0.00 3.63 February 2.02 0.06 0.00 0.34 0.00 1.04 0.00 0.70 0.00 4.34 March 4.83 0.23 0.00 1.51 0.00 1.04 0.00 2.51 0.00 4.68 April 2.04 0.14 0.00 2.80 0.00 1.04 0.00 -1.65 0.00 3.03 May 5.94 2.70 0.00 4.08 0.00 1.04 0.00 3.52 0.00 4.68 June 2.89 0.04 0.00 4.96 0.00 1.04 0.00 -3.07 0.00 1.61 July 1.70 0.01 0.00 6.80 0.00 1.04 0.00 -6.13 0.00 0.00 August 5.39 0.82 0.00 5.96 0.00 1.04 0.00 -0.78 0.00 0.00 September 3.73 1.63 0.00 4.58 0.00 1.04 0.00 -0.27 0.00 0.00 October 4.43 0.34 0.00 1.98 0.00 1.04 0.00 1.75 0.00 1.75 November 4.06 1.28 0.00 1.33 0.00 1.04 0.00 2.96 0.00 4.68 December 4.06 0.29 0.00 0.38 0.00 1.04 0.00 3.98 0.86 4.68 Annual Total 45 V4 fl ii 0 OQ a r z 0.00 0.00 0 00 Wet Year Water Inputs Water Outputs Change in Excess Wetland 1989 P Si * Gi PET So Go Loss to Ditches Storage Water Volume January 2.49 0.02 0.00 0.48 0.00 1.04 0.00 0.98 0.00 0.98 February 5.70 0.52 0.00 0.42 0.00 1.04 0.00 4.76 0.00 4.68 March 6.25 0.48 0.00 1.08 0.00 1.04 0.00 4.61 1.49 4.68 April 7.74 1.18 0.00 2.11 0.00 1.04 0.00 5.78 2.66 4.68 May 5.72 0.49 0.00 3.47 0.00 1.04 0.00 1.70 0.00 4.68 June 8.36 1.17 0.00 6.16 0.00 1.04 0.00 2.33 0.00 4.68 July 5.16 1.35 0.00 6.29 0.00 1.04 0.00 -0.83 0.00 3.85 August 7.58 1.30 0.00 5.45 0.00 1.04 0.00 2.39 0.00 4.68 September 2.89 0.06 0.00 4.16 0.00 1.04 0.00 -2.25 0.00 2.43 October 4.47 0.75 0.00 2.14 0.00 1.04 0.00 2.04 0.00 4.47 November 2.90 0.19 0.00 1.03 0.00 1.04 0.00 1.02 0.00 4.68 December 3.56 0.29 0.00 0.00 0.00 1.04 0.00 3.84 0.72 4.68 Annual Total 62.82 7 79 0.00 37 80 0.00 0.00 0 00 Water Budget Proposed Conditions 6 _. _.- - -__- Growing Season March 21 -November 11 5 - Maximum Capacity. - ___ (Ground Surface) *---~__-,~-__~_--~ ~ ~___~ 4.68 in- Maximum il S F C it /S ~ _ - ur ace apac y o V \ / ` ~ ~ ," \ / ~ / ' y 4 ,' \ 1.56 in. -Jurisdictional ~ . - . ~ ` / Boundary (12" below c ~ , ,~ ~ ~ , \ / ~ ground) ~ , ~ f ~ ~ ~ ~ \ / °~ _ ~ 1 / - - Dry Year (1988) ~ / ; 3 ~ _ ~ / I m ~ 1 / ; m , ~ 1 ~ ~ ~ ~ / - - f - -Average Year (1977) ~ ~ , 1/ ; ~ ~, ~, j ; : ~ . . ~ ~ 2 , - ~ - Wet Year (1989) ~ 1 12" Below ~ ~ ~ Ground Surface ~ °• ~ ~ ~ , ~ , __ i ~ e . ,, . ~ ' . . ' ~ ' ,e , , . ., O _ ,-.._ -~~ ___.~_..._T_..~__ ._~...~ Jan. Feb. March April May June July August Sept. Oct. Nov. Dec. •~~~~iiitlii~~~~~i~tli~~~t~~~~~~~t~~~ii~~~~t~