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HomeMy WebLinkAbout19970869 Ver 1_COMPLETE FILE_19971010State of North Carolina Department of Environment, LTK?FA 17 Health and Natural Resources • • Division of Water Quality A4 James B. Hunt, Jr., Governor Wayne McDevitt, Secretary p E H N R A. Preston Howard, Jr., P.E., Director October 21, 1997 Wake County WQC 401 Project #970869 APPROVAL of 401 water Quality Certification Mr. Stephen J. Brown Town of Cary Post Office Box 8005 Cary, NC 27512-8005 Dear Mr. Brown: You have our approval, in accordance with the attached conditions, to temporarily impact in 3.01 acres of wetlands or waters for the purpose of sewer line installation at Lynn Branch, as you described in your application dated October 9, 1997. After reviewing your application, we have decided that this fill is covered by General Water Quality Certification Numbers 3101 & 3114. These Certifications allows you to use Nationwide Permit Numbers 12 & 33 when it is issued by the Corps of Engineers. In addition, you should get any other federal, state or local permits before you go ahead with your protect including (but not limited to) Sediment and Erosion Control, Coastal Stormwater, Non-Discharge and Water Supply Watershed regulations. Also this approval will expire when the accompanying 404 or CAMA permit expires unless otherwise specified in the General Certification. This approval is only valid for the purpose and design that you described in your application. If you change your project, you must notify us and you may be required to send us a new application. If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions listed in the attached certification. If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition which conforms to Chapter 150E of the North Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and its conditions are final and binding unless you ask for a hearing. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please telephone John Dorney at 919-733-1786. Sincerely, VwJr.1P.E. n Attachment cc: Wilmington District Corps of Engineers Corps of Engineers Raleigh Field Office Raleigh DWQ Regional Office Mr. John Dorney Central Files 970869.1tr Division of Water Quality • Non-Discharge Branch ,4401 Reedy Creek Rd., Raleigh, NC 27607 Telephone 919-733-1786 FAX # 733-9959 An Equal Opportunity Affirmative Action Employer - 50% recycled/10% post consumer paper FR.0M R P L E T G H P E G U L A fjR,Y 10. 15. 1997 16:04 . .. r' ho .Z. - _ Pnfcnal P'ners W 7- MY-10 psi., -001 , my TOO: 2, 1 .- ^f - F t-0170 . lox 910851-;InZ 40 ISS%D 0 lei M '091710-660 . Town of C+a ".'.'(}' 07 771? 1% -0 7XV! 10/2n/97 . _ t y ... . _. _... . _ s from 10/24/97 RkK7TjH, AC TAX (119' 011 M27 . . _. _ _. ... a 74e ._3 ' t.... T W _ the Fish 07L ?. ..? i any iAnlj affeC7 o any r _ P.01 Robert J. Goldstein & Associates, Inc. ENVIRONMENTAL CONSULTANTS 8480 Garvey Drive Raleigh, North Carolina e.mail: Rjga@aol.com 27616-3175 Tel: (919) 872-1174 Fax: (919) 872-9214 http://members.aol.com/rjga 9 October 1997 Mr. Eric Alsmeyer 970869 U.S. Army Corps of Engineers Raleigh Regulatory Field Office 6508 Falls of Neuse Road, Suite 120 Raleigh, NC 27615-6846 Re: Lynn Branch sewer replacement, Lochmere Lake, Cary, Wake County NC Dear Mr. Alsmeyer: Enclosed is a PCN and supporting documentation for permitting the above referenced project, which will have no permanent impacts to waters or wetlands, but will temporarily affect 2.91 acres of non-wetland waters (lake bottom) by excavation or fill, and will temporarily drain about 50 non-wetland acres of the lake and less than 0.1 acre of marsh wetland by lowering the lake level for several months. The Town of Cary plans to begin construction in December or January, and hopes to refill the lake by May, before the onset of hot weather. We are sending simultaneously seven copies of this PCN and report to John Dorney (DWQ) and one each to Candace Martino (FWS) and Renee Gledhill-Early (SHPO). Sincerely, Gerald B. Pottern, M.Sc. Senior Biologist F??GGr ? ??,G?a G cF? Environmental Assessments • Environmental Impact Statements • Jurisdictional Wetland Delineations • Endangered Species Surveys Reservoirs • Archaeological Surveys and Testing • Water Supply Projects • Real Estate Risk Assessments • Lake Management Watershed Management • Instream Flow Analyses • Mitigation Plans • Stream Restoration • Aquatic Toxicity Testing 404, 401, 402(IVPDES) Permits • Cryptosporidium Testing • Toxicity Reduction Evaluation • Municipal Solid Waste Landfills • Sewerlines Wastewater Treatment Plants • Groundwater Monitoring 0 Biological Assessments 0 Expert Witness Testimony Return to Patrick C. Lee, Engineering Division P. O. Box 8005 Cary, 14C 27512-8005 NORTH CAROLINA UTILITY AND, PIPELINE EASEMENT WAKE COUNTY () 08 6 9 T141S DEED OF EASEMENT, made this day of zew_ i 9-22, by Lochmere Association Grantors, to the Town of Cary, a municipal corporation of the State of North Carolina, Grantee. The designation Grantors and Grantee as used herein shall include said parties, their heirs, successors and assigns and shall include singular, plural, masculine, feminine or neuter as required by context. W ITN1~SSETH• WHEREAS, the Grantors are the owners of a certain tract of land located in Wake County, North Carolina and more partieularly dC3Qd cd tit Decd Book 4201 at page -)754, ano that the Grantors, for a valuable consideration paid by the Grantee, the receipt of which is hereby acknowledged, do hereby convey unto the Grantee for use as a utility and pipeline easement (which shall include, but not be limited to the installation, inspection, replacement, repair, operation and/or maintenance of such..facilities and related appurtenances as may be necessary for the transmission of water and/or wastewater) that property lying in Wake County, N. C. and being more particularly described as follows: SEE ATTACHED BXHIBITS A - O The above described easements are subject to the following terms and conditions: I. The Grantee shall be entitled to use the area in accordance with generally accepted engineering practices as necessary and appropriate for excavating, sloping, cutting, filling, the installation of sanitary sewer facilities and related appurtenances, grading or otherwise changing the natural contours of the easement area as appropriate; and 2. Following installation of the sanitary sewer interceptor and related appurtenances the area subject to this easement as well as all areas disturbed by the Town of Cary and/or its contractor as part of the Lynns Branch Interceptor replacement project will be graded, stabilized and restored. including using a landscape contractor to restore the area to as near as-possible pre- construction conditions, including replacing vegetation in like kind and size; except that smaller size trees may be substituted when it is impractical to replant mature trees. This easement also covers the repair, replacement and otherwise restoration of the dock facility adjacent to Grantee's property identified above. In the event the docks are removed or damaged as a result of the Town of Cary's Lochmere - Lynn's Branch Interceptor project, then the docks shall be replaced, rebuilt and restored to their pre-existing condition prior to the commencement of said project. This restoration also includes any piping, pumps, plumbing, electrical or similar appurtenances which may be related to Grantee's irrigation or fighting system. 3. After the restoration referred to above, routine maintenance (such as watering, pruning, weeding and cutting ) of trees, shrubs, or other landscape materials, will be the responsibility of the Grantors; and 4. The Grantors shall in all other respects remain the fee owners of the property and areas subject to this easement and may make all lawful uses of the property not inconsistent with the terms, and conditions set forth herein, provided there be no damage to the lateral and subjacent support of the sanitary sewer facilities. Return to Patrick C. Lee, Engineering Division P. O. Box 8005 Cary, NC 27512-8005 5, This easement is given pursuant to Article VII, Section 4 of the Declaration of Master Covenants, Conditions and Restriction of Lochmere ("Declaration") and subject to the convenants, conditions and restrictions set forth in such Declaration. ALSO, during construction of the above project Grantee conveys a temporary construction easement for the purposes stated above which is also included on the above exhibits and also includes that certain lot identified as the Lochmere boat ramp area. Following construction of the utility line and final acceptance for routine maintenance by the Town of Cary, this temporary construction easement area shall terminate. TO HAVE AND TO HOLD the aforesaid easement and all privileges and appurtenances thereunto belonging to the said Grantee, its successors and assigns forever and the same Grantors do covenant that they are seized of said premises in fee and have the right to convey the same, that the same are free from encumbrances and that they will warrant and defend the said title to the same against claims of all persons whosoever, IN WITNESS WHEREOF, the Grantors have hereunto set their hand and seal, or if corporate, have caused this instrument to be signed in its corporate name by its duty authorized officers and its seal to be hereunto affixed by authority of the Board of Directors, on the day and year first above written. ATT T; SE NORTH CAROLINA WAKE COUNTY BY: _QkP?"- M - 044'pw?? SFJ?tL VV •pann?rr? ??.?? Q,SSOC/,gT•.1 STRPORgrE lac N. came CTHIS Is O CERTIFY T14AT on the ? day of 19 before me personally (Assistant) Secretary, with whom I am personally acquainted, who, bei by me dZrib+ein, om, says that ` ?.?w? tom is the (resident and - ? - is the (Assistant) Secretary of Lochm r Asoci tion the corporation d and which executed the foregoing instrument; that (s)he knows thecommon seal of said corporation; that the seal affixed to the foregoing instrument is said common seal, and the name of the corporation was subscribed thereto by the said (Vice) President, and that the said (Vice) President and (Assistant) Secretary subscribed their names thereto, and said common seal was affixed, all by order of the Board of Directors of said corporation, and that the said instrument is the t d deed of said corporation. WITNESS my hand and official seal, this, day of , 19. My commission expires: *& Ae21- NOTARY PUBLIC w r 9 `:?, 9 401 Issue DEM ID: CORPS ACTION ID: NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT ,nr) : 1OZ AND 33 PRE-CONSTRUCTION NOTIFICATION APPLICATION FOR NATIONWIDE PERMITS THAT REQUIRE: 1) NOT=CATION TO THE CORPS OF ENG=9EZRS 2) APPLICATION FOR SECTION 401 C=RTIFICATION 3) COORDINATION WITH THE NC DIVISION OF COASTAL NAXAGZXEXT SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPRIATr FIELD OFFIC Z OF THE CORPS OF ENG?S (SZZ AGENCY ADDRESSES Sa= T) . SEVEN (7) COPIES SHOULD BE SENT TO THE N.C. DIVISION OF ENVIRONMENTAL MANAGEMENT (SEE AGENCY ADDRESSES SHEET) . PT_ ZASE PRINT. 1. OWNERS NAME: TOWN OF CAIey OWNS UTILITY 5f19ENEA/T) 2. MAILING ADDRESS: STEPHEN T. BROWN P E. TOWN OF CA AY DEPT. OF DEVELOPMENT SERVICES, P0. 80X 8005 SUBDIVISION NAME: - - CITY: CARY STATE: NC ZIP CODE: .275/-7- BOOS PQOULCT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DI: TRENT FROM MPZLING ADDRESS ABOVE) : L OCHMERE LAKE ( LYNAI 9RANCH) 6`77NEEAI TRYON RP WP LOGHMERE bk. 3. TELEPHONE NUMBER (HOME) : (WORK) : (919) 96R- 3$30 4. ' I= APPLIC.t.BLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFF ICIIIA-L, -ADDRESS, PHONE NUMBER: SAME AS A,60VE 5. LOCATION OF WORK (PROVIDE A MAP, PREFERP-BLY A COPY OF USGS TOPOGRAPHIC M_-ALP OR AERIAL PHOTOGRAPHY WITH SCP.LE) : COUNTY: WAKE NEAREST TOWN OR CITY: CARY EASTERN SHORE OF LOCHMFRE LA&E-2 FROM Mm 7D N,,000 FT. UPSTREAM n ?T?`SC/?cNC?S i SPECIFIC LOCATION (INCLUDE ROAD W NUMBERS, LANDM.AIRKS, ETC.) : DAM IS PIA'ECTLY QENFATH LOCHHERE PRIVY , /l, ooo FEE F E4S7- OF 1N7EI?9EGT1oA1 WITH KILDAME 1-hRN RoAD . 6. IMPACTED OR NEAREST STREAM/RIVER: LYNN BRANCH TRISURMY OF SWIFT CR RIVER BASIN: NEUSE 7a. IS.PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER (SA) , HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW), WATER SUPPLY (WS-I OR WS-TT)? YES [ ] NO p?J IF YES, EXPLALN• 7b. IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL, MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC) ? YES [ ] NO D< 7c. IF THE PROjEC" IS LOCATED WITHIN P_-COASTAL COUNTY (SEE PAGE 7 FOR LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION? NA 8a. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON THIS PROPERTY? YES [ ] NO X T-s- YES, PROVIDE ACTION I . D. NUMBER OF PREVIOUS PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401 CERTIFICATION) 8b. ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE FUTURE? YES [ ] NO pQ IF YES, DESCRIBE ANTICIPATED WORK: 9a. ESTIMATED TOTAL NUMBER OF ACRES IN TRACT OF LAND: L AKE = $0 ACRES 9b. ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE: LESS THAN 0-/ 4CRE OF tVETLAND,s ARDUMP PERINETER OF LAKE 2 r I,wATERs & 10a. NUMEER OF ACRES OE WETLANDS IMPACTED BY THE PROPOSED PROJECT BY: 1) 335 It x 20 ft = 0.16 acre non-wetland waters temporarily impacted by excavation and backfill for sewer installation across two bays of the drained lake bed (NWP 12). 2) 4,000 ft x 30 ft = 2.75 acres non-wetland waters temporarily impacted by fill placed as a construction access road in the drained lake bed (NWP 33). 3) 50 acres non-wetland waters temporarily dewatered by lowering the lake level 11 feet during construction (NWP 33). 4) less than 0.1 acre marsh wetland temporarily dewatered by lowering the lake level 11 feet during construction (NWP 33). TOTAL IMPACT: Permanent: none. Temporary: 53 acre non-wetland, <0.1 acre wetland. 10b. (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT. (±r RELOCATED, PROVIDE DISiANC. BOTH BEFORE AND AFTER RELOCATION) : NONE LENGTH BEFORE: FT AFTER: FT WIDTH BEFORE (based on normal high water contours): FT WIDTH AFTER: AVrRAGE DEPTH BEFORE: FT - AFTER: FT (2) STREAM_ CHANNEL !MPACTS WILL RESU"LT" FROM: (CHECK ALL TH_I T ADaLY) OPEN CHANNEL RELOCATION: PLAC=SENT OF PIPE IN C'r?-NNEL: CHANNEL EXCAVATION: CONSTRUCTION OF A DA-M/EMOODING:" OTHER: 11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE WATERSHED DRAINING TO THE POND? LAX ISTING LAKE DSA = 3-5 SO-MILES WHAT IS THE EXPECTED POND SURFACE AREA? 5XIST11116 LRKE SURFACE = 80 ACk£S 12. DESCRIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF MECHANICAL EQUIPMENT TO BE USED (ATTACH PLANS: 8 1/2" X 11" DRAWINGS ONLY) SEE ATTACHED REPORT S EC-T IONS /• 0 AND 3. 2 13. PURPOSE OF PROPOSED WORK: SEE /i-TTRCHED REPORT, SECTION /• 0 3 i t 14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED OUT IN WETLANDS. (INCLUDE ANY MEASURES TAM N TO MINIMIZE WETLAND ZMPACTS ) SEE 47TAc-HEP REPORT SEcr'loNs l.0 AND 3-2- 15 . YOU ARE REQUIRED TO CONTACT THE U. S. FISH AND WILDLIFE SERVICE (USFWS) AND/OR NATIONAL MARINE: FISHERIES SERVICE (NMFS) (SEE AGENCY ADDRESSES SF.=-'v-T) REGARDING THE PRESENCE OF PSIY FEDERALLY LISTED OR PROPOSED FOR LISTING ENDP.NGERED OR THREATENED SPECIES OR CRITIC.%L HABITAT IN THE PERKS ARE? THAT MAY BE AFFECTED BY THE PROPOSED - PROJe.CT. DATE _ CONTACTED: /0 OCT 1777 (ATTACH RESPONSES FROM THESE AGENCIES.) _ 16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OF:ICER (SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HT_STOR_TC PROPERTIES IN THE PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE CONTACTED : ' ' 10 OCT / 997 17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OR THE USE OF PUBLIC (STATE) LAND? YES. NO [J (IF NO, GO TO 18) a. IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL DOCM-f NT PURSUANT TO THE REQU=R _F,?ITS OF THE NORTH CAROLINA ENVIRONMENT_11L POLICY ACT? YES [] NO LESS TIfl4N 3.0 MILES OF AIEMJ S' EWER b. IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CAROLINA DEPARTMENT OF ADMINISTRATT_ON STATE CLEARINGHOUSE? YES [] NO [J NOT APPLIGRBLE IF ANSWER TO 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE STATE CLEARINGHOUSE. TO DIVISION OF ENVIRONMENTAL 14-ANAGMIENT REGARDING COMPLIANCE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT. QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BE DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH, NORTH CAROLINA 27603-8003, TELEPHONE (919) 733-6369. 4 18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION 1-7 PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVA-TED.OR FILL MATERLnr, INTO WETLANDS : NO WETLANDS AFFEGTE p NY- EXCAVATI01V 0,R FILL a. WETLAND DELINEATION HAD SHOWING ALL WETLANDS, STREAMS, LASS AND PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18, 21, 25, 29, AND 38). ALL STREAMS (INTERMITTENT AND PERMANENT) ON THE PROPERTY MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET OR 1 INCH EQUALS 100 FEET OR THEIR EQUIVALENT. b. IF AVATLA.BLE, REPRESENTATIVE PHOTOGRA_PH OF WETLANDS TO BE IMPACTED BY -PROJECT. C. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA SHEETS. RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE. d. ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED. e. WHAT IS LAND USE OF SURROUNDING PROPERTY? RES I PENT14L f . IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL? MUNI Gt PAL SEWER SERVICE &READY PRESENT' g. SIGNED AND DATED AGENT AUTHORIZATION LETTER, IF APPLIC23LE. NOT- : WETLANDS OR HATERS OF THE U.S. KkY NOT BE III ACTED PRIOR TO 1) • ISSUANCE OF A SECTION 404 CORPS OF- ENGINEERS PERMIT, 2) EITHER THE ISSUANCE OR WAIVL'R OF A 401 DIVISION OF ENVIRONIA-ENTAL MANAGEI,1ENT (WATER QUALITY) CERTIFICATION, AND 3) (MT = Tlti?r"'. 7TY COASTAL COUNT= ONLY) , A LETTER FROM T-..:e. NORTH CAROLINA DIVISION OF. COASTAL MANAGEMENT STATING THE PROPOSED ACTIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT PROGRAM. OW'NER' /AGENJS SIGNATURE (AGENT'S SIGNATURE VALID ONLY IF AUTHORIZATION LETTER FROM THE OWNER IS PROVIDED (18a.) ) EASEMENT DEEP ENCLOSED 5 699 47'30" '00 • o' ours 351 L e 1009 n • n I% RALEIGH (STATE CAPITOL, 9 Ml. 102 2070000 FEET 103 78 0 0 B , ?? ,, II v 4x26. i v, 'A ° I / \ \ J I . III. i1 - VIV-1 64 QUAD W,W < o. i Ac wetl4md, not, delivieg fed • = cross n on- wefland wafers i on --? -? s ts? ' O? i i ?. / r T-, Q LOCHMERE LAKE SEWER REPLACEMENT WAKE COUNTY, NORTH CAROLINA 26 SEPTEMBER 1997 Report To: Stephen J. Brown, P.E. Department of Development Services P.O. Box 8005 Cary, North Carolina 27512-8005 (919) 462-3830 Robert J. Goldstein & Associates, Inc. ENVIRONMENTAL CONSULTANTS 8480 Garvey Drive Raleigh, North Carolina 27616-3175 Tel (919) 872-1174 Fax (919) 872-9214 RJG&A Project No. #89749 CARY Project No. #97-005.10 T Table of Contents 1.0. PROJECT DESCRIPTION ........................................ 3 2.0. EXISTING CONDITIONS ........................................ 3 2.1. Fish and Aquatic Habitats .................................. 3 2.2. Wildlife and Terrestrial Habitats .............................. 3 2.3. Jurisdictional Waters and Wetlands ........................... 4 2.4. Protected Species ....................................... 4 3.0. IMPACTS AND RECOMMENDATIONS .............................. 4 3.1. Fish and Wildlife Habitat ................................... 4 3.2. Jurisdictional Waters and Wetlands ........................... 5 3.3. Protected Species ....................................... 6 4.0. LITERATURE CITED ............................................ 6 Table 1. Federal and State Protected Species Known from Wake County ...... 7 Table 2. Habitat Requirements and Presence of Suitable Habitat for Protected Species Known from Wake County .......................... 8 s 2 1.0. PROJECT DESCRIPTION. The Town of Cary is proposing to replace 4,050 feet of the existing 21 inch diameter Lynn Branch interceptor sewer in the Lochmere subdivision. The existing interceptor is located 10 to 20 feet from the eastern shore of Lochmere Lake in southwestern Wake County, N.C. The replacement sewer will be installed between the existing line and the lake shore. To minimize disturbance of adjoining lawns and landscaping, the lake level will be drawn down approximately 11 feet below normal pool elevation, and a temporary gravel road constructed on the exposed lake bed to provide access for construction equipment. The gravel will be placed over a layer of fabric to facilitate removal when construction is completed. At that time, the lake bed will be restored to its pre-construction grade and the lake refilled. 2.0. EXISTING CONDITIONS. 2.1. Fish and Aquatic Habitats. Lochmere Lake is an impoundment of Lynn Branch, a tributary of Swift Creek in the Neuse River basin. The drainage basin area at the dam is 3.5 square miles, maximum depth is 22 feet, and the lake covers approximately 80 acres at a normal pool elevation of 337 feet NGVD. Fishes observed during the field reconnaissance or reported by residents are warmwater species including largemouth bass (Micropterus salmoides), bluegill (Lepomis macrochirus), carp (Cyprinus carpio), eastern mosquitofish (Gambusia holbrooki), channel catfish (lctalurus punctatus), golden shiner (Notemigonus crysoleucas), and johnny darter (Etheostoma nigrum). Muskrat middens on the shoreline contained shells of two species of bivalve mollusks, the Asian clam (Corbicula f/uminea) and the eastern floater (Anodonta cataracta). The lake substratum is comprised of clay, silt, and sand in the northern half, and silt, sand, and gravel in the southern portion. Shoreline shrubs and saplings include tag alder (Alnus serrulata), red maple (Acer rubrum), wax myrtle (Myrica cerifera), and buttonbush (Cephalanthus occidentalis) along the few segments that are not mowed or bulkheaded. No submersed or emergent aquatic vegetation beds are present, and woody debris is sparse. Available cover for fish is limited to boat docks and undermined bulkhead walls. 2.2. Wildlife and Terrestrial Habitats. The eastern shore of Lochmere Lake is predominantly residential with cultivated grass lawns and widely spaced trees. Such areas have minimal value as wildlife habitat and native animals are subject to predation by domestic cats and dogs. A few undeveloped lots are partially wooded and provide habitat diversity, but their small size and wide spacing limits their wildlife value. Wildlife species in these areas include house sparrow (Passerdomesticus), cardinal (Cardinafis cardinafis), robin (Turdus migratorius), Carolina wren (Thryothorus ludovicianus), mourning dove (Zenaida macroura), tufted titmouse (Parus bicolor), raccoon (Procyon lotor), eastern cottontail (Sylvilagus floridanus), grey squirrel (Sciurus carolinensis), and white tailed deer (Odocoileus virginianus). Feeding evidence of beaver (Castor canadensis) and muskrat (Ondatra zibethicus) was found along the shore. The extreme northern end of the lake, where Lynn Branch enters, has accumulated sediment and contains muddy shallows with a narrow fringe of marsh wetland. Shrubs and 3 sapling trees in the marsh include tag alder, river birch (Betula nigra), and black willow (Sa/ix nigra), and herbs include water primrose (Ludwigia spp.), smartweed (Polygonum spp.), false nettle (Boehmeria cylindrica), duck potato (Sagittaria latifolia), and jewelweed (Impatiens capensis). This area supports resident and migratory waterfowl and wading birds including mallard (Areas platyrhynchos), domesticated ducks, mute swan (Cygnus olor), great blue heron (Ardea herodias), green heron (Butorides striatus), and spotted sandpiper (Actitis macularia). 2.3. Jurisdictional Waters and Wetlands. RJG&A ecologists Gerald Pottern and Martha Brewster surveyed the proposed construction corridor for jurisdictional wetlands on September 15, 1997, using the 1987 Corps of Engineers (COE) Wetlands Delineation Manual (Environmental Laboratory, 1987), subsequent COE Regulatory Guidance Letters, and supplementary technical literature for hydrophytic vegetation, hydric soils, and hydrology indicators. There are no jurisdictional wetlands in the proposed construction corridor. A small marsh wetland (less than 0.1 acre, described in Section 2.2) occurs at the head of the lake 1,800 feet upstream of the construction area. The lake area inundated at normal pool elevation constitutes jurisdictional non-wetland waters. Construction requiring fill or excavation in jurisdictional waters or wetlands must be permitted through COE and the N.C. Division of Water Quality (DWQ), in accordance with Sections 404 and 401 of the federal Clean Water Act (see Section 3.2). 2.4. Protected Species. The Natural Heritage Program (NHP) has records of 27 protected species from Wake County (February, 1997). Two vertebrates, one river mussel, and one plant are federally endangered (E) or threatened M. The remaining 23 species are state protected (E, T, or special concern (SC), including eleven vertebrates, seven river mussels, and five plants (Table 1). Habitat requirements of each protected species and the presence or absence of suitable habitat in the project area are summarized in Table 2. RJG&A ecologists Gerald Pottern and Martha Brewster surveyed the proposed construction area for protected species and their habitats on September 15, 1997. No protected species were observed during the field reconnaissance. There is no potential habitat for any of these species in the construction area. The sewerline replacement will have no direct impacts on protected species. 3.0. IMPACTS AND RECOMMENDATIONS 3.1. Fish and Wildlife Habitat. At the proposed drawdown to 326 feet NGVD, Lochmere Lake will be reduced to 30 acres and a maximum depth of 10 feet, based on Wake County topographic mapping prior to construction of the lake. If much silt has accumulated near the dam since impoundment, the maximum depth may be shallower. The N.C. Wildlife Resources Commission and N.C. 4 Cooperative Extension Service recommend that most of the area in fish ponds should be 6 to 8 feet deep for protection against thermal extremes and overgrowth of aquatic weeds. Depths in excess of 10 to 12 feet provide no additional benefit. Roughly half of the reduced lake pool will be 6 feet or deeper at the proposed water elevation. The 6 to 8 foot depth recommendation is based on the observation that most small lakes and ponds in central North Carolina usually stratify at a depth of 4 to 5 feet during late spring and summer. The surface waters (above the thermocline) may reach temperatures above 90°F that are stressful to warmwater fish, and the bottom waters (below the thermocline) may become oxygen deficient if stratification is persistent. Heavy rains, wind, and prolonged cloudy weather may periodically disrupt stratification, cooling the surface waters and re-oxygenating the bottom waters. Fish will be concentrated during the drawdown. Depending on the current fish density in the lake, some may die from crowding effects and many will be eaten. To minimize adverse impacts on fish and promote recovery of the recreational fishery when the lake is refilled, we recommend that water depths be checked by boat following drawdown to ensure that a major portion of the remaining pool is at least 6 feet deep. If silt has rendered most of the pool much shallower than this, fish mortality may occur if the lake is not refilled before the onset of hot weather next year. The safest course of action would be to complete construction and refill the lake by early May. If warm weather construction is unavoidable, periodic profiles of temperature and dissolved oxygen would be useful for identifying critical conditions, when electric or gas-powered aerators could be used. If significant fish mortality due to heat, low oxygen, or disease is observed when the lake level cannot yet be raised, we advise removing large numbers of fish with large seines or gill nets, to reduce fish density and the likelihood of a major fish kill. 3.2. Jurisdictional Waters and Wetlands. The marsh wetland described in section 2.2 is beyond the construction area, but will be drained during lake drawdown. Herbaceous plants may temporarily die back but will recolonize from seed or underground structures following refilling of the lake. Shrubs and saplings in the marsh are not likely to be adversely affected by the drawdown. The replacement sewerline will cross two bays along the eastern lake shore. The first crossing is 1,400 feet upstream of the dam and spans 220 feet of open water. The second is 2,000 feet upstream of the dam and crosses 135 feet of open water. The sewerline will be buried at least two feet below the lake bed at these crossings to avoid creating an instream obstruction and to protect it from damage. Temporary impacts may include elevated turbidity and sediment deposition in Lochmere Lake resulting from land disturbance during road construction, sewer installation, and road removal. An erosion and sedimentation control plan must be submitted to the DEHNR Raleigh Regional Office for approval at least 30 days prior to construction. Two aspects of the project will require Section 404/401 permitting: 1) permanent installation of the sewerline in 355 feet of the lake bed, and 2) temporary placement of fill for construction access in 4,000 feet of the lake bed. None of the proposed construction is within wetlands. COE Nationwide Permit 12 and its corresponding DWQ General Water 5 Quality Certification 3101 authorize excavation and placement of fill in waters or wetlands for utility line backfill and bedding. COE Nationwide Permit 33 and its corresponding DWQ General Water Quality Certification 31 14 authorize excavation and placement of fill in waters or wetlands for temporary construction access and dewatering. These permits can be combined to authorize a single, complete project, subject to certain conditions imposed by the COE Chief Engineer (nationwide conditions), the COE Wilmington District Enginner (regional conditions), and DWQ (401 Certification conditions). The regulatory text and RJG&A's summary of these permit conditions are appended. 3.3. Protected Species. No direct impacts to federally or state protected species are likely to occur as a result of the proposed project, as none occur in the project area. Several aquatic protected species are known from Swift Creek several miles downstream of Lochmere Lake (Table 2). Silt from the proposed construction is unlikely to affect these populations due to intervening impoundments. Nonetheless, appropriate erosion control measures should be utilized to limit turbidity and sediment loading into Lynn Branch and Swift Creek below Lochmere Lake, as the cumulative effect of many construction projects over the past few decades has degraded aquatic habitat in much of the Swift Creek watershed (N.C. Division of Environmental Management, 1993). 4.0. LITERATURE CITED. Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-1. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Miss. 100 p. + appendices. N.C. Division of Environmental Management. 1993. Neuse River Basinwide Water Quality Water Management Plan. N.C. DEHNR, DEM Water Quality Section, Raleigh. 6 Table 1. Federal and State Protected Species Known from Wake County, North Carolina. Source: N.C. Natural Heritage Program, February 1997. Scientific Name Common Name Federal State Status Status VERTEBRATE ANIMALS Aimophila aestivalis Bachman's sparrow FSC SC Ambystoma tigrinum Tiger salamander - T Condylura cristata Star-nosed mole - SC Coragyps atratus Black vulture - SC Haliaeetus leucocephalus Bald eagle T E Hemidactylium scutatum Four-toed salamander - SC Lampetra aepyptera Least brook lamprey - SC Lanius ludovicianus Loggerhead shrike - SC Myotis austroriparius Southeastern myotis FSC SC Myotis septentrionalis Northern long-eared myotis - SC Necturus lewisii Neuse River waterdog - SC Noturus furiosus Carolina madtom - SC Picoides borealis Red-cockaded woodpecker E E INVERTEBRATES (MUSSELS) Alasmidonta heterodon Dwarf wedge mussel E E Alasmidonta undulata Triangle floater - T Elliptio lanceolata Yellow lance FSC T Elliptio roanokensis Roanoke slabshell - T Fusconaia masoni Atlantic pigtoe FSC T Lampsilis radiata Eastern lampmussel - SC Lasmigona subviridis Green floater FSC E Strophitus undulatus Squawfoot - T VASCULAR PLANTS Helenium brevifolium Littleleaf sneezeweed - PE Isoetes piedmontana Piedmont quillwort - T Portulaca smallii Small's portulaca - T Rhus michauxii Michaux's sumac E E/SC Ruellia humilis Low wild-petunia - T Trillium pusillum pusillum Carolina least trillium FSC E E = endangered; PE = proposed endangered; T = threatened; SC = special concern; FSC = federal species of concern 7 s • A Table 2. Habitat Requirements and Presence of Suitable Habitat for Protected Species Known from Wake County, North Carolina. Scientific Name VERTEBRATE ANIMALS Aimophila aestivalis Ambystoma tigrinum Condylura cristata Coragyps atratus Haliaeetus leucocephalus Hemidactylium scutatum Lampetra aepyptera Lanius ludovicianus Myotis austroriparius Myotis septentrionalis Necturus lewisii Noturus furiosus Picoides borealis Habitat in Wake County grassy, open pine forests fish-free temporary ponds near woods moist meadows, bogs, bottomlands forests (nesting); open land (foraging) tall trees near large lakes or rivers pools, bogs, seeps in hardwood forests clean, unsilted streams; Neuse basin fields and pasture bldgs. and hollow trees esp. near water bldgs., hollow trees, and caves streams w/ riffles, woody debris; Neuse streams w/ riffles, woody debris; Neuse extensive mature pine forests INVERTEBRATES (MUSSELS) Alasmidonta heterodon Alasmidonta undulata Elliptio lanceolata Elliptio roanokensis Fusconaia masoni Lampsilis radiata Lasmigona subviridis Strophitus "undulatus VASCULAR PLANTS Helenium brevifolium Isoetes piedmontana Portulaca smallii Rhus michauxii Ruellia humilis Trillium pusillum pusillum clean, unsilted streams clean, unsilted streams clean, unsilted streams clean, unsilted streams clean, unsilted streams clean, unsilted streams clean, unsilted streams clean, unsilted streams bogs, seeps, and riverbanks granite flatrocks and diabase glades granite flatrocks and diabase glades dry, open forests and edges diabase glades rich, alluvial woodlands Habitat Present at Lochmere Lake No No No No No No No No No No No No No No No No No No No No No No No No No No No 8