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HomeMy WebLinkAbout19990316 Ver 1_COMPLETE FILE_19920101Environmental Review Trackihe?t. 4 - p d DWQ - Water Quality Section i n. 104 DENR # ?7,3. Date: 1 12 71 ? "?1 2 g 10 MEMORANDUM DWQ # ! a 339 Ta. Env. Sciences Branch [WO Labs O Trish MacPherson (end. sps) O Kathy Herring (forest/ORW/HQW) O Larry Ausley (ecosystems) O Matt Mathews (toxicology) O Jay Sauber (intensive survey) Non-Discharee Branch (Archdale 9th) O Kim Colson (Permitting) Wetlands (WQ Lab) O John Dorney (Corps, 401, construction) O Cyndi Bell (DOT) eEric Fleek (dredging) O Regional Water Quality Supervisors O Asheville O Mooresville O Washington O Fayetteville O Raleigh O Wilmington O Winston -Salem Planning Branch (Archdale 6th) O Alan Clark (basinwide planning) O Boyd DeVane (classifications & standards) O Annette Lucas (management planning) O Jeff Coutu (water supply) O Ruth Swanek (modeling) (Archdale 9th) Point Source Branch (Archdale 9th) O Dave Goodrich (NPDEs) O O Bradley Bennett (stormwater) O O Tom Poe (Pretreatment) (Archdale 7th) O FROM: Gloria Putnam, Local Government Assistance Unit, Planning Branch, 6th Floor, Archdale PROJECT: S-Pr I Rwss N\SA h L.,. A KmAna) r.e HGCOANIM /A- - Attached is a copy of the above document. Subject to the requirements of the North Carolina Environmental Policy Act, you are being asked to review the document for potential significant impacts to the environment, especially pertinent to your jurisdiction, level of expertise or permit authority. Please check the appropriate box below and return this form to me along with your written comments, if any, by the date indicated. i %,au u?, Avawivu aL. phone: (919) 733-5083, ext. 567 ndsAcirememo - mac version 1 ? fax: (919) 715-5637 e-mail: gloria-putnam@h2o.enr.state.nc.us Thank you for your assistance.. Suggestions for streamlining this process are greatly: appreciated! State of North Carolina Department of Environment and Natural Resources Division of Water Quality James B. Hunt, Jr., Governor Wayne McDevitt, Secretary A. Preston Howard, Jr., P.E., Director February 4, 1999 MEMORANDUM TO: Gloria Putnam FROM: Eric Flee THROUGH: John Dorney, . woo NC ENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES SUBJECT: Hydeland Canal Boat Ramps (DENR# 973, DWQ# 12339) Based on a review of the EA and the FONSI, the following alteration in the proposed plan should be examined further by WRC and may be required in the 401 Water Quality Certification: 1) The 10' vegetated buffer to be left adjacent to the small drainage ditches located on the periphery of the parking area should be enlarged to at least 20' to better treat the stormwater runoff from the parking and staging areas. If there re further questions or comments regarding this project please feel free to contact me at 73301786 or at eric-fleek@h2o.enr.state.nc.us Post-its Fax Note PC.ID.Pt. 7671 I Date Co. Wetlands/401 Unit 4401 Reedy Creek Road Raleigh, North Carolina 27607 Telephone 919-733-1786 FAX # 733-9959 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper Finding of No Significant Impact Project: NCWRC Boating Access Area on Hydeland Canal The North Carolina Wildlife Resources Commission (NCWRC) is planning to construct a new boating access area on Hydeland Canal in Hyde County (please refer to the EA and the proposed construction drawings for details). Based on the findings of the EA, the NCWRC believes that there will be no significant adverse effects. Benefits from the access area include increased public recreational opportunity on Juniper Creek and Pamlico Sound. Currently, there is no improved parking area at or near the site. This situation promotes blockage of the narrow road as vehicles and trailers are parked along the right-of-way. The access area will help reduce congestion and conflicts arising from overcrowding at the unimproved launch located south of the project site. Use of the access area will benefit the local economy as fishermen and recreational boaters patronize commercial businesses in the vicinity of the project area. Although the project could have adverse impacts on aquatic and terrestrial resources, such impacts will be minimized through effective erosion and sedimentation control measures and proper routing of storm runoff. An Environmental Impact Statement (EIS) is not necessary and will not be prepared. Environmental Assessment Hydeland Canal Boating Access Area Hydeland, SR 1122 Hyde County, North Carolina This document is prepared as an Environmental Assessment (EA) in compliance with Section .0500 of the North Carolina Administrative Code relative to the North Carolina Environmental Policy Act of 1971 (1 NCAC 25; G. S. 113A-1 et seq., as amended). The purpose of this EA is to analyze environmental impacts from construction of a new boating access area and an accompanying road paving project located south of Hydeland in Hyde County, North Carolina. Project Description The North Carolina Wildlife Resources Commission (WRC) is proposing construction of a new facility that will provide free public boating access at Hydeland Canal. Hydeland Canal (a tributary of Juniper Creek) is classified as SC waters, with an average depth of 6.0 feet and average width of 50 to 60 feet. The proposed location of the boat ramp will be approximately 2.5 miles from Juniper Bay, which is classified by the Division of Marine Fisheries (DMF) as a primary nursery area. The proposed boating access area will include two single concrete boat ramps, a single floating dock, one fixed dock, a crushed stone parking lot, and an asphalt- surfaced maneuvering area. Entrance to the access area will be from SR 1122. SR 1122 is currently gravel but will be paved by the North Carolina Department of Transportation (NCDOT) as part of this project. The project site is located off SR 1122 approximately 1.5 miles southeast of Juniper Bay Road (SR 1121), and 3 miles south of NC Highway 264 near the community of Lake Comfort. Current land uses adjacent to the project area include agriculture, forested areas and WRC game lands. The entire project area along with the adjacent fields and forests are contained within the WRC's Gull Rock Game Land. Need for the Proposed Project Providing public access for recreational uses of wildlife and fisheries resources is important to accomplishing the WRC's overall management objectives. The Boating Safety Act (G. S. 75A-1 et seq.) contains provisions for funding and expenditures to purchase or lease areas for constructing boating access facilities [G. S. 75A-3(c)]. As of July 1, 1998, the WRC has constructed approximately 180 boating access areas across North Carolina. Requests for new access areas are received on a regular basis. Locating an access area at the proposed project site will provide public access to Hydeland Canal, Juniper Creek and Pamlico Sound for fishermen, recreational boaters and waterfowl hunters. Data that would project expected use at the project site are not presently available. However, Juniper Creek has been historically popular among recreational fishermen and waterfowl hunters, and Pamlico Sound experiences heavy utilization throughout the year. 2 The demand for new boating access areas statewide continues to increase. The popularity of boating access areas has lead to overcrowding, and long waits for loading and unloading boats. Currently, there is an unimproved launching area at the end of Hydeland Canal Road that receives moderate utilization. Because no designated parking area exists near this launch, boat trailers must be parked along the side of the road. This congestion often renders the road impassable especially by large farm equipment, and complaints by farmers have been received. The closest developed public boat ramp to the proposed site is located in Engelhard approximately 20 miles away. A new facility on Hydeland Canal will help alleviate overcrowding at the unimproved launch while providing direct access to Juniper Creek and Pamlico Sound. It is anticipated that the Hydeland Canal ramp will receive moderate utilization immediately after completion. Alternatives Considered The objective of the proposed project is to provide a facility that will enhance public access to the waters of Juniper Creek and Pamlico Sound. Alternatives to the proposed project were not considered, as none would accomplish the project objective. Likewise, alternate site locations were not considered as the majority of land located in the vicinity of Juniper Creek is undeveloped and consists of freshwater wetlands and coastal marsh. Environmental Description Project Area Plant Communities:--The proposed access site on Hydeland Canal is currently undeveloped. Clearing of two separate upland areas that are currently wooded will be necessary for project completion. Terrestrial plant species located on the access area and existing on the periphery of the construction site include loblolly pine (Pinus taeda), red maple (Acer rubrum), sweet gum (Liquidambar styraciflua), black cherry (Prunus serotina), pecan (Carya illinoensis), wax myrtle (Mvca cerifera), Eastern redcedar (Juniperus vir ing iana), Virginia creeper (Parthenocissus guinquefolia), sumac (Rhus spp.), honeysuckle (Lonicera W.), multiflora rose (Rosa multiflora) and greenbriar (Smilax W.). Wetlands:--Approximately 0.081 acres of section 404 wetlands have been identified in the proposed maneuver area and marked by the U.S. Army Corps of Engineers. An additional 0.344 acres of 404 wetlands are located in the proposed access road alignment, and would be impacted during road paving. Areas of coastal marsh and isolated pockets of freshwater wetlands are located south and east of the proposed access area. The primary values associated with these wetlands include water storage, shoreline stabilization and pollutant removal. Their proximity to the canal on the eastern border of the parking area allows them to slow and retain floodwaters while reducing sedimentation and erosion downstream. These wetland areas also function to remove nitrogen, phosphorus, heavy metals and other pollutants as floodwaters spread through and sediments are deposited. Fisheries Resources:--The substrate in Hydeland Canal in the vicinity of the project site is dominated by silt, sand, and organic detritus. Average water depth in the canal is 6 feet. Prominent fish species located in Hydeland Canal and Juniper Creek include largemouth bass (Micropterus salmoides), bluegill (Lepomis macrochirus), pumpkinseed (L. gibbosus), black 3 crappie (Pomoxis nigromaculatus), yellow perch (Perca flavescens), white perch (Morone americana), and chain pickerel (Esox niger). Anadromous fishes utilizing Hydeland Canal include alewife (Alosa psuedoharengus) and blueback herring (A. aestivalis). Other species inhabiting the project area include gizzard shad (Dorosoma cgpedianum), golden shiner (Notemigonus crysoleucas), white catfish (Ictalurus catus), yellow bullhead (I. natalis), bluespotted sunfish (Enneacanthus gloriosus), warmouth (Lepomis ug. losus), swamp darter (Etheostoma fusiforme), and pirate perch (Aphredoderus sayanus). Hydeland Canal and Juniper Creek provide suitable spawning habitat and nursery areas for many of the above listed resident and anadromous fish species. Wildlife resources:--Because the proposed access area lies within an intensively managed game land, the area surrounding the site contains adequate vegetative cover and food resources to support high wildlife diversity. The expansive areas of uplands, isolated wetland pockets, and coastal marsh adjacent to the project site provide habitat for many wildlife species. Mammalian species likely to frequent the project site may include raccoon (Procyon lotor), opossum (Didelphis marsupialus), cotton rat (Sigmodon hispidus), cotton mouse (Peromyscus gossyainus), and old world rats (Rattus spp.). The white-tailed deer (Odocoileus yir ink ianus), marsh rabbit (Sylvilagus alp ustris), cottontail rabbit (S. floridanus), muskrat (Ondatra zibethica), bobcat (Lynx rufus), nutria (Myocastor co us), beaver (Castor canadensis), otter (Luta canadensis), mink (Mustela vison), gray fox (Urocon cinereoar eg nteus), and black bear (U sus americanus) are likely to occur occasionally on or near the site. Avian species may include great blue heron (Ardea herodias), green heron (Butorides striatus), belted kingfisher (Ceryle alcyon), snowy egret (Egtta thula), glossy ibis (Plegadis falcinellus), red tailed hawk (Buteo jamaicensis), red shouldered hawk (B. lineatus), osprey (Pandion haliaetus), sharp shinned (Accipiter striatus), American kestrel (Falco sparverius), and pileated woodpecker (Daocopus ilp eatus). Various neotropical warblers and songbirds are nus) classified as endangered by found in the project area. The peregrine falcon (Falco peregri the state of North Carolina is known to exist in Hyde County. Adjacent waters and forests provide habitat for many species of wintering migratory waterfowl such as the mallard (Anas platyrh, nom), black duck (A. rubripes), wood duck (Aix snonsa), and Canada goose (Branta canadensis). Agricultural fields and upland areas near the project site are managed intensively for migratory mourning dove (Zenaida macroura), wild turkey (Melea ms gallopavo), and bobwhite quail (Colinus virginianus). Amphibian species near the proposed site include southern leopard frog (Rana sphenocephala), American toad (Bufo americanus), Southern toad (fl. terrestris), and squirrel treefrog (Hy la sauirella). Reptilian species located in the project area include Eastern painted turtle (C sem s picta picta), snapping turtle (Chelydra serpentina), various box turtles and cooters, banded water snake (Matrix fasciata), red-bellied water snake (Natrix eW-Uo ag ster eWhro ag ster), Eastern cottonmouth (ARkistrodon piscivorous) and copperhead (A. contortrix). Although not listed as threatened or endangered, the rare red phase of the Carolina pygmy rattlesnake (Sistrurus miliarius miliarius) has been collected in fields adjacent to the proposed parking area. The American alligator (Alligator mississ^ppiensis) currently designated by the state of North Carolina as threatened is found within Hydeland Canal. 4 Cultural resources:--There are no known cultural or archaeological resources on the access area site; however, a formal archeological survey on this site has not been conducted. Until construction of the current Hyde County canal system, the majority of the site was most likely part of a vast bottomland hardwood forest. Although remnants of a wooden barge are located on the project site, historical importance as determined by the N.C. Department of Archives and History is not significant. The sunken wooden barge and associated timber pilings are remnants of an old loading and unloading area that was believed to be used to transport agricultural products. The barge encompasses an area approximately 80' X 25', and is located adjacent to the proposed ramp location. Removal of the sunken barge and approximately 16 10" timber pilings spaced 10' apart and offset 8' from the bank will need to be removed to allow for construction of the boat ramps, docks and boat launching area. A group of groundwater test wells maintained by the North Carolina Division of Water Quality (DWQ) is located within the borders of the proposed parking area. According to DWQ, the parking area will have no effect on continued sampling of these wells. A 30' protective barrier will be erected to protect the wells from damage during and after construction Description of the Proposed Action Access road:--Access to the parking area will be directly from SR 1122. This road is currently gravel, and will be paved by NCDOT as a road stabilization and improvement project. Total project length will be 4700 ft; width (including right-of-way) will be 60 ft. Approximately 5 acres of new upland disturbance will accompany road construction. Wetland impacts associated with the widening and asphalt paving of SR 1122 will approximate 0.344 acres. Road construction will consist of grading and filling as necessary and covering the area with 6 inches of crusher run stone and a 2 inch layer of 12 asphalt. Any fill necessary during road construction will be brought in from an upland borrow site. Drainage from the road will be to shallow ditches on each side. Maneuvering area:--Removal of 9,800 ft2 of wooded uplands will be necessary for completion of the 11,710 ftz vehicle maneuvering area. This clearing will impact approximately 0.081 acres of section 404 wetlands. Once cleared, development of the area will consist of grading and filling as necessary and covering the area with approximately 6 inches of crusher run ABC stone. A layer of 12 asphalt approximately 2 inches thick will be placed on top of the stone. Material excavated from the project site will be graded into the proposed parking area. Parking area:--To avoid additional isolated wetland pockets located in the vicinity of the maneuvering area, parking area construction will begin 256 ft. north of the maneuvering area on the east side of SR 1122. Removal of approximately 23,230 ft' of wooded uplands will be necessary for construction of the parking area. Development of the parking area will consist of grading and filling as necessary and covering a 17,510 ft2 area with 6 inches of crusher run ABC stone (8755 ft3). Boat ramps:-- Two single lane 62' x 14' boat ramps, one 48' x 8' floating dock, one 45' x 5'6" fixed dock and a 8'6" x 38' concrete apron will be constructed in the southwest corner of the maneuvering area. Ramps will be constructed of concrete whereas the floating dock and fixed dock will be constructed of salt treated lumber. Approximately 550 yd3 of material below normal water level (NWL) and 120 yd3 of material above NWL will be excavated during construction of the boat ramps and floating docks in order to achieve proper boat launching 5 depth. Excavation depths will not exceed existing depths in the canal. Additionally, 16 timber pilings and a 80' X 25' wooden sunken barge will be removed for proper placement of the boat ramp and fixed dock. Approximately 20 yd3 of material (class A stone and No. 5 washed stone) above NWL will be used as fill beneath the launch ramps; 30 yd3 of material will be used as fill below NWL. Permits Required A State Dredge and Fill and CAMA major permit will be required prior to commencement of construction activities. Since approximately 0.43 acres of Section 404 wetlands will be impacted to complete the boating access area (0.081 acre) and widening/paving of SR 1122 (0.344 acre), a Section 404 permit under the Clean Water Act of 1977 may be required and is dependent upon review by the U.S. Army Corps of Engineers. Because total project disturbance will exceed one acre, a sedimentation and erosion control plan will be submitted. Environmental Impacts from the Proposed Action Terrestrial:-- Because the majority of the project area is currently undeveloped, direct impacts to terrestrial species will be unavoidable. As currently proposed, the project area will result in the alteration of approximately 11,710 ft2 of upland habitat and riparian buffer to accommodate the maneuvering area, which includes approximately 0.081 acres of localized wetland pockets. An additional 23,230 ft2 of woodlands and previously cleared high ground will be converted into a parking area. Road widening and paving will impact 5 acres of terrestrial habitat along the alignment of SR 1122. Currently, human activity in the proximity of the project area is moderate with an existing launch area located south of the proposed access area. An existing campground and fields intensively managed for wildlife attract moderate numbers of hunters during the fall. Increased human activity may affect some wildlife species including American alligator. However, boat traffic currently exists in this canal and a significant increase in human interactions with alligators after project completion is unlikely. Wading birds currently utilizing the project area appear to be tolerant of disturbances. Aquatic:-- Shallow water shoreline habitat complexity useful as refugia for many freshwater fish species will be reduced as existing shoreline habitat is removed to accommodate the boat ramps. Approximately 550 yd3 of material will be excavated below NWL and 40 yd3 of material will be placed below NWL resulting in the physical loss of associated benthic organisms. In addition, 16 timber pilings and an 80' X 25' sunken barge will be removed. Habitat characteristics of the project site will be modified as an upland riparian area approximately 11,710 ft2 adjacent to Hydeland Canal is filled with crusher run stone, asphalt and concrete ramps. Turbidity and sedimentation in the vicinity of the ramp will exist during construction. Localized turbidity will persist after project completion as canal boat traffic increases. Snagging will not be required in the canal. Noise:--Noise levels will increase as construction equipment (bulldozer, backhoe, dragline, paving machine, steel roller and motorgrader) is used to complete the access area and 6 road paving. However, such adverse impacts will be short-term and will not exceed levels currently found on construction sites utilizing similar equipment. Socio-economic:--Socio-economic impacts of the project site are generally regarded as positive since availability of the access area will result in greater use of commercial businesses in the immediate vicinity. The demand for additional access areas to Juniper Creek and especially Pamlico Sound is increasing; thus, opposition to the proposed project is considered minimal. Due to the remote location of this project site within a managed game land, construction of the access area will probably not result in greater overall development impacts on Hydeland Canal. Potential conflict with boaters may arise if underwater hazards (stumps, pilings, etc.) in the vicinity of the project site are not clearly marked. Mitigation for Unavoidable Environmental Impacts Terrestrial and Aquatic Resources:--Due to the previously undisturbed nature of the project site, direct environmental impacts will occur. Approximately 9,800 ft2 of riparian habitat will be removed to accommodate ramp construction. Although construction of the parking area will result in the conversion of 23,230 ft2 of upland habitat, this location was chosen to avoid isolated wetland pockets. The proposed location of the boat ramps will impact approximately 0.081 acres of wetland pockets, which is unavoidable due to the lack of other alternatives. An additional five acres of upland habitat and 0.344 acre of wetlands will be impacted during the widening and paving of SR 1122. The placement of erosion control stone beneath the boat ramp will provide hard substrate not presently available in the project area. These areas may be colonized to some extent by various aquatic organisms tolerant of the characteristics of the altered habitat. Small fish species may also utilize the stone rip-rap as cover from predators. Because the current, unimproved boat ramp near the proposed site is privately owned and maintained, shoreline restoration at the old ramp is not expected. In order to protect adjacent waters from degradation due to stormwater runoff, the maneuvering area will be sloped away from the concrete ramp. Excess runoff during storm events from the maneuvering area will be sent via sheet flow to shallow ditches adjacent to SR 1122; runoff from the parking area will be absorbed by a 6 in. layer of crusher run stone and/or sent via sheet flow to adjacent upland areas. Silt fences will be used around the project area to prevent sediment deposition into adjacent wetlands and surface waters. A 10 ft vegetated buffer will be left adjacent to the small drainage ditches located on the periphery of the parking area. To minimize localized turbidity after project completion, a no-wake zone will be established within 50 yards of the access area. In order to assure the proper placement of the launch ramp and appropriate launching depth, 550 cubic yards of material will be excavated below the normal water level (NWL). This activity will temporarily increase turbidity in and downstream of the project site. Excavation depths will not exceed existing depths in the canal. Due to the sensitive nature of Juniper Creek and Juniper Bay, a sediment curtain will be employed during excavation to minimize sediment transport downstream. To minimize impacts during critical egg and fry-rearing stages of resident and anadromous fish in Hydeland Canal and adjacent waters, no excavation will take place between 1 April and 30 September in any given year. 7 Summary The North Carolina Wildlife Resources Commission is proposing construction of a new boating access area located 1.5 miles southeast of Hydeland on SR 1122 in Hyde County. Approximately 34,940 ft2 of upland habitat will be altered to accommodate the proposed access area, 33,000 ft2 of which is presently wooded. The majority of the project area is currently undeveloped including 0.081 acres of localized wetland pockets. Total area to be excavated during construction of two single lane concrete ramps, one floating dock, and one fixed dock include 120 yd3 above normal water level (NWL) and 550 yd3 below NWL. Removal of one 80' X 25' sunken wooden barge and 16 timber pilings will be included in the construction of the proposed project. Fill material beneath the launch ramps will include 20 yd3 above NWL and 30 yd3 below NWL. The maneuvering area will be sloped and graded with 6 inches of crusher run stone topped with 2 inches of asphalt; the parking area will be crusher run stone only. Access to the site will be directly from SR 1122, which will be widened and paved by NCDOT as part of this proposed project. Additional land disturbances accompanying the 6.5 acre road-paving segment of the project include approximately five acres of upland clearing and the fill of 0.344 acres of wetlands. Benefits from the access area include increased public recreational opportunity on Juniper Creek, Juniper Bay and Pamlico Sound. Currently, there is a small, unimproved launch at the end of SR 1122, but no improved parking area at or near the site. This situation promotes blockage of the narrow road as vehicles and trailers utilizing the launch park along the right-of- way. The proposed access area and road widening project will help reduce congestion and conflicts arising from overcrowding at the unimproved launch. Use of the access area will benefit the local economy as fishermen and recreational boaters patronize commercial businesses in the vicinity of the project area. Although the project could have adverse impacts on aquatic and terrestrial resources, such impacts will be minimized through effective erosion and sedimentation control measures, proper routing of storm runoff, and an in-water work moratorium between 1 April and 30 September in any given year. +t LL LLI a Z ? O w LL. a z -o 3 ?r ?C CJ z 0 ?V O ? CO ,- o{ ?Q. j C) -?• ?• l? / m r-7 r? ,•? '- 1 s ? I CCP/))/? - 10 ? ?? ?? - / NI NI / / ? //mil Y ^I --- --•------•--•. , ? VVV ? NI _I o I LS?I - ?m ?I I ,•? fig. ug a I'O ;7 +00.00 -L=POT Ilb 9 F. Z I I ?? ZELMA M. 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' 0(approx. 3530 561,ft) -- _ _ , • , . 1-0 Flood Gates _ -- ------- ' '•'•'•'• 9b -- o 0 _ ` --NWL, Wood PlhngS - 'MI 0 : ; __ ---- -------------- ----------------- 3.a ` ?N.. \ NWL ` " DELAND c - ANAL (Jumper 2.9 \ a y+l 5.17 4.51 2.9 5.5' 2ni ?NWL--, 264 LEGEND 0 DOT 301 Rlght of Way d3 0 Ex 5tmg Forested Area NWL NWT Crusher Run ABC Stone on 5R 1 122 0 100 200 300 Scale: I" = 100 ' Ydeland { FNCWY arolina Wildlife Resources Cor xydeland anal BAn ivision of Boating and Inland Fisheri p RC Proposed Doating ACCes° Hydeland Canal, Hyde Count} GVFrq ecWHydeIan4 0 1997 DeLonne. S e Atlaz USA 5LF Dnxnngs?i0(tlyAD j P Ill 1199 EXISTING SITE Asphalt Launch Area (0.27 acres) W NwL _ Faced Pier (45'X 50) 4' i j I 38 I, Two 14'X 62' Concrete Launch ?l I Ramps ° 3 5? Excavation and Fill Area below NWL Area =°7600 square feet LEGEND - - DOT 30' Right of Way NWL- NWL Concrete .6 . Area .to be Dredged Below NWL Volume = 550 cubic yards 0 ? 5.5' ° .5' 5.5' Proposed Canal Depths after Dredging D CANAL 8'X 48' Wooden 0 30 GO 30 NWL Floating Dock Scale: I " = 30' DIMENSIONS SPIFFY NWL North Carolina Wildlife Resources Commission Division of Boating and Inland Fisheries NCWRC Proposed Boating Access Area Hydeland Canal, Hyde County 5LP Gerqjectatlydaland! SHEET 3 DESIGN BY Draxing ' CAOO?,h l. W9 5LP 1/11/99 MAWN BY DATE CHECKED BY DAME OF 4 III BY REVISIONS DAME Environmental Assessment Hydeland Canal Boating Access Area Hvdeland, SR 1122 Hyde County, North Carolina This document is prepared as an Environmental Assessment (EA) in compliance with Section .0500 of the North Carolina Administrative Code relative to the North Carolina Environmental Policy Act of 1971 (1 NCAC 25; G. S. 113A-1 et seq., as amended). The purpose of this EA is to analyze environmental impacts from construction of a new boating access area located south of Hydeland in Hyde County, North Carolina. Project Description The North Carolina Wildlife Resources Commission (WRC) is proposing construction of a new facility that will provide free public boating access at Hvdeland Canal. Hydeland Canal is classified as SC waters, and is tributary to Juniper Creek which eventually empties into Pamlico Sound. The proposed boating access area will include a double concrete boat ramp, a floating dock system and a crushed stone parking lot. Entrance to the access area will be from SR 1122, which is currently gravel but will be paved before project completion. The project site is located off SR 1122 approximately 1.5 miles southeast of Juniper Bay Road (SR 1121), and 3 miles south of NC Highway 264 near the community of Lake Comfort. Current land uses adjacent to the project area include agriculture, forested areas and WRC game lands. The entire project area along with the adjacent fields and forests are contained within the WRC's Gull Rock Game Land. Need for the Proposed Project Providing public access for recreational uses of wildlife and fisheries resources is important to accomplishing the WRC's overall management objectives. The Boating Safety Act (G. S. 75A-1 et seq.) contains provisions for funding and expenditures to purchase or lease areas for constructing boating access facilities [G. S. 75A-3 (c)]. As of July 1, 1998, the WRC has constructed approximately 175 boating access areas across North Carolina. Requests for new access areas are received on a regular basis. Locating an access area at the proposed project site will provide public access to Hydeland Canal, Juniper Creek and Pamlico Sound for fishermen, recreational boaters and waterfowl hunters. Data that would project expected use at the project site are not presently available. However, Juniper Creek has been historically popular among recreational fishermen and waterfowl hunters, and Pamlico Sound experiences heavy utilization throughout the year. The demand for new boating access areas statewide continues to increase. The popularity of boating access areas has lead to overcrowding, and long waits for loading and unloading boats are being experienced. Currently there is an unimproved launching area at the end of Hydeland Canal Road that receives heavy utilization. Because no designated parking area exists near this launch, boat trailers must be parked along the side of he road. This congestion often renders the 5 Aouatic:-- Shallow water shoreline habitat complexity useful as ref igia for many freshwater fish species will be reduced as existing shoreline habitat is removed to accommodate the boat ramps. Approximately 40 yd3 of material will be placed below NWL resulting in the physical loss of associated benthic organisms. Habitat characteristics of the project site will be modified as an upland riparian area approximately 11,000 ft' adjacent to Hydeland Canal is filled with crusher run stone, asphalt and concrete ramps. Turbidity and sedimentation in the vicinity of the ramp will exist during construction. Localized turbidity will persist after project completion as canal boat traffic increases. Snagging will not be required in the canal. Noise:--Noise levels will increase as construction equipment (bulldozer, backhoe, dragline and motorgrader) is used to complete the access area. However, such adverse impacts will be short-term and will not exceed levels currently found on construction sites utilizing similar equipment. Socio-economic:--Socio-economic impacts of the project site are generally regarded as positive since availability of the access area will result in greater use of commercial businesses in the immediate vicinity. The demand for additional access areas to Juniper Creek and especially Pamlico Sound is increasing; opposition to the proposed project is considered minimal. Due to the remote location of this project site within a managed game land, construction of the access area will probably not result in greater overall development impacts on Hydeland Canal. Potential conflict with boaters may arise if underwater hazards (stumps, pilings) in the vicinity of the project site are not clearly marked. Mitigation for Unavoidable Environmental Impacts Terrestrial and Aouatic Resources:--Due to the previously undisturbed nature of the project site, direct environmental impacts will occur. Approximately 11,000 ft-' of riparian habitat will be removed to accommodate ramp construction; none of which will involve the destruction of freshwater wetlands. Although construction of the parking area will result in the conversion of an additional 30,000 ff2 of upland habitat (20,000 ft' of which is presently wooded), this location was also chosen to avoid isolated wetland pockets. The placement of erosion control stone beneath the boat ramp will provide hard substrate not presently available in the project area. These areas may be colonized to some extent by various aquatic organisms tolerant of the characteristics of the altered habitat. Small fish species may also utilize the stone rip-rap as cover from predators. Because the current, unimproved boat ramp near the proposed site is privately owned and maintained, shoreline restoration at the old ramp is not expected. In order to protect adjacent waters from degradation due to stormwater runoff, the maneuvering area will be sloped away from the concrete ramp. Excess runoff during storm events from the maneuvering area will be sent via sheet flow to shallow ditches adjacent to SR 1122; runoff from the parking area will be absorbed by a 6 in. layer of crusher run stone and/or sent via sheet flow to adjacent upland areas. Silt fences will be used around the project area to prevent sediment deposition into adjacent wetlands and surface waters. To minimize localized turbidity after project completion, a no-wake zone will be established within 50 yards of the access area. 6 Unavoidable impacts from this project include removal of approximately 31,000 ft' of woodland habitat, and replacement with man-made structures associated with the project. Benefits to the public through increased recreational opportunities should outweigh these losses. Summarv The North Carolina Wildlife Resources Commission is proposing construction of a new boating access area located 1.5 miles southeast of Hydeland on SR 1122, Hyde County. Total area of proposed development is 41,000 f' (0.94 acres). The majority of the project area is currently undeveloped. Total area to be excavated during construction of a double concrete ramp and2 floating docks include 50 yd' above normal water level (NWL). Fill material beneath the launch ramps will include 35 yd' above W IL and 40 yd' below NWL. Access to the site will be directly from SR 1122. The maneuvering area will be sloped and graded with 6 inches of crusher run stone topped with 2 inches of asphalt: the parking area will be crusher run stone only. Approximately 11,000 ft' of upland riparian habitat adjacent to the ramp, and 20,000 ft' of wooded uplands near the parking area will be removed to accommodate the proposed access area. An additional 10,000 ft' of previously developed high ground will be used to complete the parkin area. Benefits from the access area include increased public recreational opportunity on Juniper Creek and Pamlico Sound. Currently, there is no improved parking area at or near the site. This situation promotes blockage of the narrow road as vehicles and trailers are parked along the right-of-way. The access area will help reduce congestion and conflicts arising from overcrowding at the unimproved launch located south of the project site. Use of the access area will benefit the local economy as fishermen and recreational boaters patronize commercial businesses in the vicinity of the project area. Although the project could have adverse impacts on aquatic and terrestrial resources, such impacts will be minimized through effective erosion and sedimentation control measures and proper routing of storm runoff.