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HomeMy WebLinkAboutNCG120080_COMPLETE FILE - HISTORICAL_20121204STORMWATER DIVISION CODING SHEET NCG PERMITS PERMIT NO. /v �� Ia b D Y DOC TYPE HISTORICAL FILE ❑ MONITORING REPORTS DOC DATE ❑ YYYYM M DD AN, AN, I NC®ENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor Division of Water Quality Charles Wakild, P. E. Director December 4, 2012 John Roberson Wake County Solid Waste Management Division Wcob 7th Floor Raleigh, NC 27602 Dear Permittee: Dee Freeman Secretary Subject: NPDES Stormwater Permit Coverage Renewal South Wake Landfill COC Number NCG120080 Wake County In response to your renewal application for continued coverage under Stormwater General Permit NCG120000 the Division of Water Quality (DWQ) is forwarding herewith the reissued General Permit. This permit is reissued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between the state of North Carolina and the U.S. Environmental Protection Agency, dated October 15, 2007 (or as subsequently amended). The following information is included with your permit package: • A new Certificate of Coverage (COC) • A copy of General Permit NCG120000 • A copy of the Technical Bulletin for the General Permit • Two copies of the Discharge Monitoring Report (DMR) Form • Two copies of the Qualitative Monitoring Report Form The General Permit authorizes discharges of stormwater, and it specifies your obligations for discharge controls, management, monitoring, and record keeping. Please review the new permit to familiarize yourself with all the changes in the reissued permit. Your facility has six (6) months from the time of receipt of the permit to update your current SPPP to reflect all new permit requirements. The first sample period of your permit begins January 1, 2013. Your facility must sample a "measureable storm event" beginning during the periods beginning January 1 and July 1 of every year (or, if applicable, report "No Flow," as outlined in Part III, Section E). Also, please note that Tier 3 Actions in Part II of your permit are triggered by benchmark exceedances on four occasions beginning on the effective date of this permit and do not count prior exceedances. The more significant changes in the General Permit since your last COC was issued are noted either in the Draft Permit Fact Sheet that accompanied the public notice (http://portal.ncdenr.org/web/wq/ws/su/current- notices), or in the Response to Comments / Summary of Changes and Technical Bulletin documents that are posted on the Stormwater Permitting Unit's website with the new General Permit. Please visit . http://Portal.ncdenr.org/web/wq/ws/su/npdessw (click on 'General Permits' tab) to review that information for your specific General Permit carefully. 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N Salisbury St. Raleigh, North Carolina 27604 Phone: 919-61 17-63001 FAX: 919-807-64'-2 Inlemet www.�r terQi)ality.orq An Equal Oppc �ni.,, l Affirmative Action Emr' •, nr One North Cai-oi, Il l Wtlr LY'. "i John Roberson ` December 4, 2012 Page 2 of 2 Some of the changes include: • Part II: • Section A: The Stormwater Pollution Prevention Plan (SPPP) section, if applicable, has been updated to the most current language of our permits. Additional conditions for specific industry sectors have been added to the SPPP requirements in some cases. • Sections B, C: Failure to perform analytical stormwater monitoring may result in the Division requiring that the permittee begin a monthly sampling scheme. • Sections B, C: A lower TSS benchmark of 50 mg/I for HOW, ORW, RNA and Tr Waters applies to these more sensitive waters. • Sections B, C: The monitoring parameter Oil & Grease (O&G) has been replaced by the parameter Total Petroleum Hydrocarbons (TPH) for vehicle maintenance areas, and in some cases, other analytical monitoring requirements. • Sections B, C, D: Inability to sample due to adverse weather must be recorded in the SPPP, or in separate on -site records if your General Permit does not require an SPPP. Adverse weather is defined in the "Definitions" section of the permit. • Sections B, C. The term "Representative Storm Event" has been replaced by "Measurable Storm Event." A measurable storm event is defined in the permit. • Section D: If the permittee fails to respond effectively to problems identified by qualitative monitoring, DWQ may require the permittee to perform corrective action. Please review Parts III and IV to understand the Standard Conditions of your new NPDES General Permit, including Compliance and Liability, Reporting, Monitoring and Records requirements; Operation and Maintenance obligations; and Definitions. Please note that all samples analyzed in accordance with the terms of this permit must be submitted to the Division on Discharge Monitoring Report (DMR) forms available on the Stormwater Permitting Unit's website above. DMR forms must be delivered to the Division no later than 30 days from the date the facility receives the sampling results from the laboratory. Also note that existing permittees do not need to submit a renewal request prior to expiration unless directed by the Division. Your coverage under the General Permit is transferable only through the specific action of DWQ. This permit does not affect the legal requirements to obtain other permits which may be required by DENR, nor does it relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law, rule, standard, ordinance, order, judgment, or decree. If you have any questions regarding this permit package, please contact the Division's Stormwater Permitting Unit at (919) 807-6300. Sincerely,/ for Charles Wakild, P.E. cc: DWQ Central Files Stormwater Permitting Unit Files Raleigh Regional Office STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO. NCG120000 CERTIFICATE OF COVERAGE No. NCG120080 STORMWATER NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Wake County Solid Waste Management Division is hereby authorized to discharge stormwater from a facility located at: South Wake Landfill 6124 Old Smithfield Rd Apex Wake County to receiving waters designated as Little Branch, a class C waterbody in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, 11, Ill, and IV of General Permit No. NCG120000 as attached. This certificate of coverage shall become effective December 4, 2012, This Certificate of Coverage shall remain in effect for the duration of the General Permit. Signed this 41h day of December, 2012. for Charles Wakild, P.E., Director Division of Water Quality By Authority of the Environmental Management Commission l.j FUCHARDSON'SMIfm GARDNER . .. _ & ASSOCIATES . ENGINEERING & GEOLOGICAL SERVICES NC LIC. NO. C-0828 (ENGINEERING) June 17. 2009 Joe Dupree Environmental Specialist c NCDENR Division of Land Resources �1 Land Quality Section V z 50 t J 3800 Barrett Drive Raleigh, North Carolina 27609 0 .' RE: Erosion and Sedimentation Control Enhancements South Wake Landfill � Dear Joe: Thank you for responding so quickly to the request to modify the Erosion and Sedimentation Control Plan at the South Wake Landfill (dated June 91"). As you have requested in our telephone conversation last week, we have included the following requested information as summarized below: 1. A table listing the storage capacity and flow characteristics of each basin with proposed modifications; 2. Specifications for the Fiber Check Dams and polyacrylamide; 3. A full-size drawing (at 1"=200') showing the areas of the proposed modifications (Figure A); 4. Installation detail for the FCD (Figure B). 5. Data sheets for proposed PAM products that appear to successfully reduce turbidity (although the specific products used may vary). I hope the supplied information clarifies issues regarding in this modification. If you have further questions regarding the proposed modification, please do not hesitate to contact me at 919-828- 0577, or by email at gregm(c7rsgenqineers.com. Sincerely, Richardson Smith Gardner & Associates Gregory G. Mills, P.E. Sr. Project Engineer CC DWQ Stormwater Permitting Unit Danny Smith, DWQ Surface Water Protection Section Coleen Sullins, DWQ (without Attachments) David Pepper, Waste Industries USA, Inc. Troy Mitchel, South Wake Disposal, LLC Enclosures '1e-111111to's - 14 N. BOYLAN AVE RALEIGH, NC 27603 • TEL. 919-828-0577 • FAX 919-828-5899 WWW.RSGENGINEERS.COM Joe Dupree South Wake Landfill June 15, 2009 South Wake Landfill Proposed E&S Modifications Table 1. Basin Requirements and Flow Characteristics Page 2 of 2 Required Available Inflow, 10 Outflow Draina a Storage Storage Year 10 Year Basin' Area Volume Volume Storm Storm {ac.} { } (ft) Event Event (cfs) (cfs) Pond 1 96.17 173,100 2,034,000 311.3 0.1 Pond 2 28.7 50,760 185,488 95.6 18.9 Basin A 40.2 72360 234,683 67.3 46.5 Basin B3 6.0 10,800 21,521 22.7 17.4 Notes: 1. Numbered basins are permanent structures; lettered basins are temporary. 2. The drainage area is the maximum potential area, based on the permitted phasing of the landfill, and may be larger than the area currently draining to the drainage structure. 3. The required storage volume is based on 1800 cubic feet of storage per acre. Storage volume is measured from the basin invert to the crest of the principle spillway. 4. The available storage volume is the available volume after the proposed forebays are constructed. 5. Basin A was originally labeled as "Temporary Basin No. 1" in the April 2007 plan by Olver, Inc. 6. Basin B was originally labeled as "Temporary Basin No. 2" in the April 2007 plan by Olver, Inc. cn _0 C � - COIR WATTLE W O m m A B TURF REINFORCEMENT n 0 MAT (TRM) OR EROSION CONTROL BLANKET (ECB). m cn 0 m z z n m � cn l cn Z D ■ o -n E d O E, cor r Z 1. POINT A SHALL BE HIGHER THAN POINT B. C!� n 2. IF USED, PAM APPLICATION SHALL BE AT POINT B, AT A RATE RECOMMENDED BY THE MANUFACTURER, AND AS APPROVED BY THE N.C. DIVISION OF WATER t I' COIR WATTLE QUALITY AND N.C. DIVISION OF LAND RESOURCES. !� �;E z �rE � O � O � m a tr1 24.. — LONG 2., x2 NOM. STAKE { ) m 0 � co m v m zm m c o � Q m O CHANNEL 10" MIN. U--SHAPED STAPLE (1—FT O.C) a o C3 m C7 � � � o I v FIGURE B. PROPER PLACEMENT OF COIR WATTLE IN DRAINAGE WAY Applied Polymer Systems, Inc. 519 Industrial Drive Woodstock GA 30189 678-494-5998 www.siltstop.com APS 700 Series Silt Stop® Polyacrylamide Erosion Control Powder APS 700 Series Silt StOpO is a group of soil specific tailored polyacrylamide co- polymer powders for erosion control. They reduce and prevent erosion of fine particles and colloidal clays from soil into stormwater. Primary Applications • Mine Tailings and Waste Piles • Newly cleared Construction or Building Sites • Road and Highway construction + Hydroseeding and Water Truck application • Hand spreading and Ditch placement Features and Benefits • Removes solubilized soils and clay from water • Prevents colloidal solutions in water when applied to the soil surface • Will reduce soil movement during rain event on moderate slopes • Binds cationic metals within the soil matrix, reducing solubilization • Reduces pesticide and fertilizer loss during rain events • Reduces wind borne dust conditions Increases soil permeability and water penetration to shallow plants • Reduces operational and cleanup costs • Reduces environmental risk and compliance Specifications / Compliances ANSI/NSF Standard 60 Drinking water treatment chemicals • 48h or 96h Acute Toxicity Tests (D. magna, P. promelas, or O. mykiss) • 7 day Chronic Toxicity Tests (P, promelas or C. dubia) Packaging APS 700 Series Silt Stop is packaged in 50 pound bags Technical Information Appearance: White granular powder Ibs.lcubic foot Note: Dosage -application rates are determined on soil Bulk Density: 40-50 Percent Moisture: 1 lb maximum specific testing. Soil polymers and blends should never Pe Pe cent solution :15 be used without testing the soil first. Consult your local Shelf Life: up on years distributor or send your samples to Applied Polymer Systems, Inc. Coverage 10 -- 20 # powder 1 Acre — gentle to moderate slopes (flat to 4:1) Dry Spread Application 20 — 50 # powder 1 Acre — steep slopes (3:1 to 1:1) Dry Spread Application 3.5 — 5 # powder 1 1000 gallons water 1'13 Acre Hydroseed Applications Directions for Use Dry Form - APS Silt Stop Powder may be applied by hand spreader, mechanical disc, or hand sowing. Slope or ditch application may require artificial support such as straw, or wood fiber mulch to reduce down slope movement. Areas of high water velocity will require benching or tier structuring to reduce velocity. Sheet flow applications are best. APS Silt Stop Powder may be mixed with dry silica sand to aid in spreading. Ratios of sand to powder will vary in accordance with the type of spreading device used. Liquid Form - APS Silt Stop Powder may be applied with hydroseeders,'water trucks or other spraying devices. All spraying devices must have a mechanical agitator or mixing apparatus or hydraulic recirculation. Caution -Do Not mix powder into a spraying device that does not contain a mixing apparatus. Mixing - Sprinkle powder into the water with the mixing apparatus operating as the last material to be added to the mix. Three to Five minutes of mixing will be required after the powder is sprinkled into the water. ADD THE POWDER SLOWLY -adding the powder to fast will result in clumping resulting in poor performance. Longer mixing times will create high viscosity solutions possibly causing some types of spray equipment to undergo cavitation. Caution - Do Not exceed 8 Ibs 1 1500 gallons as viscosity of the water may damage spraying equipment. (This will treat'/2 acre) Clean-up Spilled powder should be cleaned up dry as best as possible using broom or vacuum. Extreme slippery conditions will result. In event of skin contact, wash power from skin as soon as possible using soap and water. Precautions 1 Limitations • Prevent inhalation of the powder, use adequate dust mask. • Clean up spills quickly. Do not use water unless necessary, extremely slippery conditions will result. • Do Not add water to the APS Silt Stop Powder, add the powder (sprinkle) to the water slowly. • APS Silt Stop Powder will remain viable on the soil surface for 60-90 days. Longer viability will occur when applied powder is covered with straw or wood fiber mulch. • APS 700 Series Silt Stop powders have been specifically tailored to specific soil types. Soil types in varying geographical areas may require testing, If proper performance of this product is not satisfactory, contact Applied Polymer Systems. Updated 5/26/06 Applied Polymer Systems, Inc. Material Safety Data Sheet 1, 1DENTIFICATION OF THE PRODUCT AND THE COMPANY Product Name: APS 712 Sill Stop Supplied: Applied Polymer- Systems Inc. Woodstock, CA 30189 Tel. 678-494-5998 Fax. 078-494-5298 w\Vw'.s i It s t op. Co ni 2. CONTP08I'1'10NIINFURIIA'1'ION ON INGREDIENTS Identification of the preparalion: Anionic water-soluble co-poiymer blend 3. HAZARD IDENTIFICATION Aqueous solutions or powders that become wet render surfaces extremely slippery. 4. FIRST AID \IF,ASURES Inhalation: Move 10 fresh air. Wear dust mask while handling. Skin contact: Contact with wet skin could cause chapping :uld dryness. Wash with water and soap. In ease of persistent skin irritation, consult a physician. Eve contact: Rinse thoroughly with plenty of water, also under the eyelids, seek medical attention in case of persistent irritation. Ingestion: Consult a physician S. FIRE -FIGHTING MEASURES Suitable extinguishing media: Water, water spray, foam, carbon dioxide, dry powder. Special fire -fighting precautions: Aqueous solutions or powders that become wet render surfaces extrelnely slippery. Protective equipment for firefighters: No special equipment required. 6. ACCIDENTAI, RELEASE MEASURES Personal precautions: No special precautions required. Methods for cleaning up: Do Not flush with water. Clean up promptly by sweeping or vacuum. Keep in suitable and closed containers for disposal. After cleaning, flush array traces with water. L7. HANDLING AND STORAGE Handling: Avoid contact with skin and eyes. Avoid dust formation. Do not breath dust. Use dust mask during handling. Wash hands after handling. Storage: Keep in a cool, dry place. Specializing in the Opdncization of Water Ireatmenl Systems, Plocculenls, and Drdl Wuids. Polymer Characterization and Application for: Erosion Control, Acid Rock Drainage Mitigalion. Soluhilized Metal Control, and Dredging. Updated 5/26/06 18. EXPOSURE CONTROLS I PERSONAL PROTECTION Engineering controls: Use local exhaust if dusting occurs. Natural ventilation is adequate in absence of dust. Personal nroteclion couimi ent Respiratory Protection: Dust safety masks are recommended where dusting may occur. [land protection. Dry cloth, Icather or rubber gloves. Eye Protection: Safely glasses with side shields or face masks. Do not wear conlact lenses. Skin protection: No special protective clothing required. Hygiene measures: Wash hands before breaks and at end of work day. 9. PHYSICAL AND 01EMICAL PROPERTIES Form: Granular solid Color: White 1 Broxvn Odur: None pll: 6.65 Melting point: N/A Flash point: NIA Vapor density: NIA 10. STABILITY AND REACTIVITY Stability: Product is stable, no hazardous polymerization will occur. Materials to avoid: Oxidizing agents may cause exothermic reactions. Hazardous decomposition products: Thermal decomposition may produce uiivogen oxides (NOx), carbon oxides. 1. TOXICOLOGICAL I ECOLOGICAL INFOR\IATIO,N Oral: LD 501 Rallwy narvegicus 1 oral /> 5000 mg I kg Inhalation: The product is not expected to be toxic by inhalation. Use (lust mask while handling. Bioaccumulation: The product is not expected to bioaccumnulale. Persistence I degradability: Not readily biodegradable: ( -40% after 28 days ) Acute toxicit), LC 501 Ceriodaplrnia dnbia 148h 1 1,617 pp in LC 501 Pirnephates pronrela.v i 48 h 1>6,720 pprn LC 51) / Pimeplrales promelas 196 h 1 >6,720 pprn Chronic toxicity 1C 25 (Survival) i Ceriodaplrnia dnbia /7day / 122.5 ppm NOEC (Survival) I Ceriodaplrnia dnbia 17day / 52,5 ppm IC 25 (Reproduction) I Cerindapinia dnbia ! 7day 159.3 ppm NOEC (Reproduction) ! Ceriodaphi is dnbia l 7day 152.5 ppm 13. TRANSPORT AND REGULATOR)' INFORMATION Not regulated by DOT, RCRA Status -Not a hazardous waste NFPA and HMIS ratings: NFPA llealth: 3 Flammability: 0 Reactivity: FIMIS Health 2 Flammability 0 Reactivity Specializing in the Oplimizalion of Water Treatment Systems, Floeculcros, and Drill Fluids. Polymer Characwrization and Application for: Erosion Control, Acid Rock Drainage Mitigation, Sol ubil izcd Metal Control, and Dredging, Updated 10/23/06 Applied Polymer Systems, Inc. Lod Material Safety Data Sheet It. IDENTIFICATION OF THE PRODUCT AND TllE COMVANY Product Name: AI'S 7061) Floc Log o Supplied: 519 Industrial Drive Woodstock, CA 30189 Tel. 678494-5998 Fax. 678-494-5298 lrirn', sill slop.c oil) 2. COn11'OSITIONl1NFOIt\1A'I'ION ON INCRIJArNTS Identification of the preparation: Anionic cs'aler-soluble Co-polyrftcr gel mix 3. HAZARD ]DENI'1FICATION Placement of these materials on wet 4salking 3uriacc will create extreme slipping hazard. 4. FIRST AID MEASURES Inhalation: None Skin contact: Contact with Nret skin can cause dryness and chapping. Brash with water and soap, Ere contact: Rinse Ihoroughh' with plenty of water, also under the eyelids, seek medical attention in case of persistent irritation. Ingestion: Consult a physician 5. FIRE-FIGIFFING MEASURES Suitable extinguishing media: Water, water spray, foam, carbon dioxide, dry powder. Special fire -fighting precautions: Floc Logs that become wct reuder surfaces extremely slippery. Protective equipment for firefighters: No special equipment required. G. ACCIDENTAL. RELEASE MEASURES Personal precautions: No special precautions required. Methods for cleaning up: Dry wipe as well_as possible, Keep in suitable and closed containers for disposal. After cleaning, flush away traces with water. 7. HANDLING AND STORAGE Handling: Avoid contact with skin and eyes. Wash hands after handling. Storage: Keep in a coal, dry place. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION Spccinlizing in the Optimizatien of Watcr Trcalment Systems, Flocculcnts, and Drill Fluids. Pulymcr 1 Characicrizatior and Application for: irosion Control, Acid Rock Drainage Mitigation, Soiuhilizcd Ninnl Control, and Dredging. Updated 10/23/06 Engineering controls: Use dry handling areas only. Personal arotection euuinment Respiratory Protection: None ]land protection: Dry cloth, leather or ruhher gloves. Eye Protection: Safety glasses with side shields. Do not wear contact ]cases. Skin protection: No special protective clothing required. Hygiene measures: Wash hands before breaks and at end of %%ork day. g. PHYSICAL AND CHEMICAL PROPERTIES Form: Granular semi -solid gel Color: White to drown Odor: None pH: 3-Ill Melting point: NIA flash point: NIA Vapor density: NIA 10. STABILITY AND W"ACTlVITY Stability: Product is stable, no hazardous polymerization will occur. Materials to avoid: Oxidizing agents may cause exothermic reactions Hazardous decomposition products: Thermal decomposition may produce nitrogen oxideS (NOX), carhop oxideS. 11. TOXILIGICAL I ECOLOGICAL ENFORNIATION Acute toxicity LC 501 Daphnia margnu 148h I>420mglL LC 50 1 Oncor-hYnchus nrYkiss 196h 1637 ppm Chronic toxicity 1C 25 (Survival) I A promelas 17 day I>1680 ppm NOEC (Survival) ! P. prnnrclus 17 day 11680 ppm IC 25 (Grow1h)1 R pronsela.s 17 day 1 >1681) ppm NOEC (Survival) I P. prontelas / 7 day 11680 ppm IC 25 (Survival) I C. fltfhia / 7 dap 1257.3 ppm NOEC (Survival)! C. duhia /7 daY / 210 ppm IC 25 (Reproduction) I C. duhia 17 day 191.6 ppm NOEC (Reproduction)! C duhin 17 flay / 105 ppm Binaccuutulation: The proiluct is not expected hr bivaccumulate. Persistence 1 degradability: Not readily hiodegradable: ( 85% after 180 days ). 12. TRANSPORT AND REGULATORY INFORMATION Not regulated by DOT, RCRA status -Not a hazardous waste NFPA and HM1S ratings: NFPA Health: 1 HMIS Health 1 }Flammability: 11 Flanunabilily 0 Rcactis'irv: 1 Reactivity I Specia Sizing in the Optimization of Walcr Tmatmem Sys lems, Flucculems, and Drili Fiuidc Polymer Charocterizalion and Appficalion far: Erosion Controi, Acid Rock Drainage Mitigation, Soluhilized Mctal Control, and Drudging. 2 SPECIFICATION: POLYACRYLAMIDE (PAM) Purpose: Polyacrylamide shall be used as a floculent to control suspended solids in stormwater runoff. Materials 1. No PAM shall be used until the manufacturer can supply proof of passing results from nc dwq whole effluent toxicity testing for multi-dilutional chronic ceriodaphnia test. 2. All PAM products shall be compliant with ansilnsf standard 60 drinking water treatment chemical additives. 3. All PAM products shall be anionic or neutrally charged and meet acrylamide monomer limits of <0.05% 4. PAM products shall have a charge density of 10 to 55% by weight. 5. Soil samples shall be obtained and tested to verify that the appropriate PAM is being used. 6. PAM shall be supplied as powder, liquid, granules, or as a semi -solid block. 7. PAM supplied as a semi -solid block shall contain a biodegradable coir matrix (skeleton) and include a suitable mechanism for securely fastening the block in place, such as an extension of jute or coir twine with a minimum tensile strength of 75 lbs. 8. PAM shall be delivered at 40% (maximum) moisture content. 9. PAM shall have a pH of 6-8 at 0.5% solution. Construction 1. No PAM application shall result in a concentration of 10 ppm pure form polyacrylamide (applied on a total product basis). 2. Powder or granular on fiber check dams (FCD): A. PAM application (if required) shall be at the center of the FCD at a rate of 3.5 ounces per FCD. B. If required, PAM shall be applied after every rain event exceeding 0.50 inches within 24. South Wake Landfill Specifications June 2009 POLYACRYLAMIDE Page 1 3. Powder, granular or liquid in broadcast (slope) application: A. Shall not exceed 4 pounds per acre (lbs/ac) per application event. B. Shall not exceed 200 Ibslac per year. C. PAM applied as a liquid shall be thoroughly mixed and liquified. D. Application shall insure uniform coverage to the target area, and applied to minimize drift to non -target areas. 4. Semi -solid blocks ("floc logs"): A. Floc logs shall be installed by suspension in drop -inlets and/or culverts. B. Floc logs shall be installed to minimize exposure to direct sunlight. C. Floc logs shall be installed in locations so that the flowing water will causing mixing and disolution of the PAM. D. Floc logs shall be installed as close to the land disturbance activity as practical, and as far upstream of the sediment colleciton basin and/or trap as practical. E. Floc logs shall be secured with jute or coir twine having a minimum tensile strength of 75 lbs, and tied to a wooden stake (with a minimum of 12-inches embedment) or other suitable anchoring device South Wake Landfill Specifications June 2009 PQLYACRYLAMIDE Page 2 SPECIFICATION: FIBER CHECK DAM Fiber Check Dams (i.e., wattles) are manufactured erosion control devices made of organic or organic and synthetic fibers. They are used in channels in lieu of rock check dams. Materials 1. Fiber check dams (FCD) shall be cylindrical rolls with a minimum (installed) diameter of 9 inches. 2. The internal matrix shall be shall: A. Be 100% organic fibers, with a minimum 30% coconut fiber B. Have a density not less than 2.5 Ibslcubic foot (+/- 10%) and not more than 5 Ibslcubic foot. 3. The outer net shall: A. Be comprised of bristle coir twine, jute, or other 100% biodegradable organic fiber. B. Have a minimum tensile strength of 75 lbs. C. Have openings not less than 1.0 in. X 1.0 in. 4. Stakes and staples: A. Stakes shall be hardwood B. Stakes shall be a minimum of 2 feet long, have a minimum cross section of 2 in. X 2 in. (nominal), with beveled or sharpened ends to facilitate driving. C. ' FCD shall be staked as shown on the detail, with a minimum spacing of 3 feet between stakes. D. Provide staples of No. 8 gauge new steel wire formed into a °U" shape. The size when formed shall be not less that 10 inches long with a throat of not less than 1 inch wide. Longer anchors may be required for loose soils. 5. Polyacrylamide (PAM) (if required) A. Shall conform to the requirements for polyacrylamide in this plan. B. PAM used on wattles shall be powder or granular form. C. No PAM shall be used until the manufacturer can supply proof of passing results from NC DWO whole effluent toxicity testing for multi-dilutional chronic ceriodaphnia test. South Wake Landfill Specifications June 2006 Fiber Check Dam Page-1 Construction methods 1. Anchoring A. Secure wattles with staples at 1 linear foot on center and at the ends of the wattle. B. install a minimum of 4 stakes on the downstream side of the wattle, with a minimum spacing of 2 feet between stakes. C. Install a minimum of 2 stakes on the upstream side of the -wattle, with a minimum of 5 feet between stakes on the upstream side. D. Stakes shall be driven into the ground a minimum of 10 inches, and project above the top of wattle no more than 2 inches. 2. Wattle installation A. Install wattles at the location shown on plans B. Wattles shall be installed so that channel flow will not wash around the wattle and/or scour the channel side slopes. C. Wattle sections may be joined as necessary by overlapping the wattles a minimum of six inches, or by securely tieing the netting around the entire circumference of the adjacent wattles and inserting loose 100% coconut coir fibers as filler between the adjacent wattles. D. Wattles may not be joined within 3 feet of the centerline of the channel. 3. Erosion Control Blanket. If the channel design does not include an erosion control blanket (ECB) or turf reinforcement mat, a single -net ECB must be installed for a minimum of 5 feet upstream and a minimum of 5 feet downstream of the wattle. The ECB shall be ECB (mesh) shall consist of an open weave matting made from perpendicular rows of polypropylene photodegradable spun and tape yarns woven into a dimensionally stable matrix. A. Anchor the perimeter of the ECB by burial in a trench with minimum depth of 4 inches. B. Anchor the ECB with steel staples (item 3.e.) Spaced 1-foot on all edges, and evenly distributed to yield 2.5 staples per square yard. 4. PAM application (if required) shall be at the center of the wattle at a rate of 3.5 ounces per wattle. If required, PAM shall be applied after every rain event exceeding 0.50 inches within 24 hours. 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If lee, CL 0 w - \ , 'A 4 .1 tt " N - ,, -, % Lu v, cn w 0 J I UJ e %.r M UL CD z � mi� LL. e I I '% I, — -0 1 a �o f " I - ui CL % All CL f I I z 0 X Z, f , , � \ ,, ,, I f,"fr Mier -_ro;;tk I. , / f / .1 co N X N M, e` I Ie N I// W , lit A` uj -7 lilt if, Osumi" 41 a amom"" 1w lilt it'll' i ik life., Il i: -, IV- I - I /If J 6 W 10, r IM? )IM I I////, if I ly SI it t �1. ?�. I ;�� 4,; 1 r.--: 7 -7-!7 T Y.: '66. Ric SMITH GARDNER ---_�- ASSOClATTS ENG114M NG & GEOLOGICAL SRRVICPIS NC LIC. NO. C-0828 (ENGINEERING) June 10, 2009 Danny Smith Regional Office Supervisor NCDENR Division of Water Quality Surface Water Protection Section 3800 Barrett Drive Raleigh, North Carolina 27609 . RE: South Wake Landfill Wake County, North Carolina Stormwater Control Permit NCG120080 Dear Mr. Smith: Zt o' 4 On behalf of Wake County North Carolina, South Wake Landfill, LLC, Wake County North Carolina has proposed modifications (copy attached) to the Sedimentation and Erosion Control Plan for the South Wake Landfill located at 6000 Old Smithfield Road in Holly Springs, North Carolina. The landfill is operating under coverage from two NPDES permits: NCG0100 (issued by the Division of Land Resources) and NCG120080 (issued by the Division of Water Quality). As described in the "Stormwater Management Plan for the South Wake Landfill (prepared by Oiver Inc., Charlotte, N.C., March 2007), the landfill is expected to have a life of 25 years. After the landfill reaches final capacity, the final cover system constructed and the associated stormwater control devices installed, then the erosion control measures will be converted into permanent Stormwater control measures. Due to the long-term construction of the landfill, coordination between erosion control and final stormwater management is critical. The proposed modifications are intended to incorporate state of practice sedimentation control features into operations at the landfill. The modifications are intended to enhance the efficiency of the existing sedimentation and erosion control features and do not affect the requirements or long-term design features of the Stormwater Plan. Upon final closure of the landfill, the structures and BMPs prescribed by the Stormwater Plan will be implemented. Based on the conditions of the Permit and conversations with the DWQ Stormwater Permitting Unit, we do not believe that any action is required by the DWQ on this matter. However, we believe that DWQ should be notified. If you require additional information or wish to comment, please feel free to contact me at 919-828-0577, or email at gregm@rsgengineers.com. Sincerely, Gregory G. Mills Sr. Project Engineer CC: 'DWQ Stormwater Permitting Unit Coleen Sullins, DWQ (w/o attachment) David Pepper, Waste Industries USA, Inc. Troy Mitchell, South Wake Disposal attachment 14 N. BOYLAN AVE RALEIGH, INC 27603 • TEL. 919-828-0577 + FAX 919-828-5899 WWW.RSGENGINEERS,COM RICHARDSON SMITH GARDNER ...... - - -- & ASSOCINFES - ENGINEERING & GEOLOGICAL SERVICES June 9, 2009 John Holley, Jr., P.E., CPESC Regional Engineer North Carolina Department of Natural Resources Land Quality Section 1628 Mail Service Center Raleigh, North Carolina 27699-1628 RE: Erosion & Sedimentation Control Enhancements South Wake MSW Landfill Wake County Original Approval March 14, 2007 Dear Mr. Holley: The proposed modifications described in this document are submitted on behalf of Wake County Disposal, LLC (WCD), the operator of the South Wake MSW Landfill located at 6000 Old Smithfield Road in Holly Springs, North Carolina. WCD seeks to enhance the performance of selected sediment and erosion control features installed at the site. The proposed enhancements are intended to incorporate state -of -practice sedimentation control features into operations at the landfill to assist the operator in meeting basin discharge turbidity requirements. WCD would like to enhance sediment collection by using polyacrylamide (PAM), substituting fiber check dams (FCD) for selected rock check dams, and by enhancing selected temporary and permanent sediment basins by constructing sediment collection "forebay"' areas within the basins. In general, the sediment collection forebay areas are planned to collect sediment from low -flow rain events in a localized area within the basins, and therefore allow easier cleanout. Adding PAM to the storm water is expected to increase the needed frequency for sediment basin clean -out, so making clean -out easier is desirable. On March 14, 2007, the North Carolina Department of Environment and Natural Resources Division of Land Resources (DLR) issued a Letter of Approval for the Sedimentation and Erosion Control Plan for the South Wake Landfil12 prepared by Olver, Inc. (Charlotte, North Carolina) on behalf of Wake County (the permit holder). The sediment collection areas referred to in this correspondence as "forebays" are neither intended nor designed to function as DWo Wet -Pond Vegetated Forebays. 2 When DLR issued the Letter of Approval, -they required six modifications to the Sediment and Erosion Control Plan for the South Wake Landfill. These modifications were included in the revised plan issued by Olver, Inc. dated April 2007. 14 N. BOYLAN AVE • RALEIGH, NC 27603 - TEL. 919-828-0577 • FAX 919-828-5899 + WWW.RSGENGINEERS.COM John Holley June 9, 2009 Page 2 The site was granted coverage under the General Stormwater NPDES Permit NCG010000. The Wake County government has reviewed and approved the proposed enhancements in a letter dated June 91h (attached). WCD requests that the following enhancements be accepted as modifications to the current plan: 1. Polymer Addition to Stormwater. PAM will be introduced to the stormwater runoff in accordance with the manufacturer's instructions and Section 6.8.2 of the most recent version of the North Carolina Erosion and Sediment Control Planning and Design Manual. The specific polymer will be determined based on the most effective performance during bench tests. PAM is proposed to be placed: ❖ on coir wattles to be installed across channels (as fiber check dams); ❖ on selected slopes, either by broadcasting over existing vegetation, or by adding PAM to organic erosion control blankets or similar, manufactured materials; and As floc -logs at the drop inlets and/or culverts that flow directly into the basins. In general, PAM will be added as far upstream from the discharge point as practical to allow the maximum time for blending with the storm water. The exact locations of PAM addition will be determined based on the effectiveness of the treatment in reducing suspended sediments, but the initially planned application areas are shown on Figure 1. The specific PAM chosen for the site will depend on the outcome of bench tests to determine the effectiveness of various polymers. Preliminary tests indicate significant turbidity reductions with PAM products marketed by Applied Polymer Systems as 712 (powder) and 705 (granular), although the specific product used may depending on effectiveness, availability or cost. Similarly, the exact application quantity will be determined in the field, based on observed results. The soil types subjected to runoff may change, due to different soils present in new (previously approved) areas of disturbance, or due to different soil types in stockpiles of soil brought in from off - site. If stockpiled soil types differ from those initially tested, alternative PAM products may be used from time to time. 2. Add a Sediment Collection Forebay to Sediment Pond No. 1. To prevent sediments from accumulating across the entire (approximately 9 acre) sediment pond, a forebay structure is proposed for (permanent) Sediment Pond No, 1. The forebay will be constructed in the southeast portion of Sediment Pond No. 1 (Figure 3). The forebay will be approximately 250 long and 60 feet wide, in the location shown on Figure 4. The forebay will be formed by constructing an embankment within the existing limits of Sediment Pond No. 1. The top of the forebay embankment will be at Elevation 281.4 feet, which is 1-foot lower than the top of the embankment around Sediment Pond No. 1. An approximate section of the sediment collection forebay embankment is shown on Figure 5. A 25-foot wide spillway at Elevation 279 feet will pass flow from the forebay to the John Holley June 9, 2009 Page 3 primary pond. Calculations for the forebay (attached) route both the 10-year and 25-year storm events through the forebay. 3. Modifications to Temporary Sediment Basin A (Stormwater Permit Outfall No. 5). Plunge pool/sediment collection forebay areas (Figure 6) will be constructed at both inflow locations to Basin A to allow sediment to be collected before reaching the skimmer or emergency spillway. Porous baffles will be installed at the plunge pool/sediment collection forebay areas to encourage sediment collection (Figure 6). The areas will be approximately 1,000 square feet and 2 feet deep. Constructing the sediment collection forebays will allow equipment easier access to the basin for sediment removal, facilitate clean -out and enhance the performance of the basin. The location of porous baffles will be modified to promote sediment accumulation in the sediment coliection forebays. The forebays will add a slight increase in storage capacity of the temporary sediment basin, but not sufficient to affect the hydraulic performance of the basin. 4. Excavating a Sediment Collection Forebay for Sediment Pond No. 2. The southern end of permanent Sediment Basin No. 2 (Figure 7) will be excavated by as much as 4 feet (to approximately Elevation 302 feet), and an embankment will be constructed to create a forebay/sediment collection area within the existing basin. The embankment creating the sediment collection forebay (at elevation 304) is approximately 3-feet lower than the principal spillway (Elevation 307 feet). The excavation will yield approximately 240 CY of soil, of which approximately 140 CY will be used for the embankment. Therefore, constructing the forebay will expand the capacity of the basin by approximately 100 CY (or approximately 2500 cubic feet of additional storage capacity). The existing 24" diameter culvert into the basin will be relocated (also shown on Figure 7) so that flow will enter the basin through the forebay. The forebay is expected to decrease any turbidity in.the discharge from the basin and create an easier location for sediment clean -out. 5. Construct a Sediment Collection Forebay in Sediment Basin B. To contain sediment in a localized area, a low dike will be constructed across temporary Sediment Basin B (Figure 8), creating an area approximately 60 feet long by 30 feet wide and 1-foot deep for sediment collection. The top of the dike will be at Elevation 284 feet, approximately 2 feet lower than the perimeter berm for Sediment Basin B. A 10-foot wide vegetated spillway (Figure 9) will allow discharge from the sediment collection forebay into the sediment basin. The soil used for the berm to create the sediment collection forebay will consume some of the available storage volume in the sediment basin; however, the capacity of the sediment basin is approximately 5 times greater than required for the (approximately 1-acre) drainage area. Routing calculations for the basin and forebay are attached. John Holley June 9, 2009 Page 4 6. Substitute Fiber Check Dams (FCD) for Rock Check Dams. Recent studies3 indicate that FCDs can be more effective at removing sediment than rock check dams. WCD is planning to use FCDs on a trial basis to determine their effectiveness at this site. FCDs will be installed across channels so that the top of a downstream check dam will be at the same elevation as the base of the adjacent upstream channel. At this time, WCD does not plan to replace all existing rock check dams with FCDs, but would like the option to use FCDs in future construction and/or maintenance. Initially, FCDs will be installed in Channel DC -A (east of the landfill, draining to Sediment Basin A). We appreciate your prompt attention to this request for modification. If you have any questions regarding these proposed modifications, please do not hesitate to contact David Pepper of Waste Industries USA, Inc. or Greg Mills, P.E. of Richardson Smith Gardner & Associates, Inc. at 919-828-0577, Sincerely Richardson Smith Gardner & Associates, Inc. ��FESS 4 SEAL 024935 8 7 Gregory G. Mills, P.E. Sr. Project Engineer JAI CC: Coleen Sullins, Division of Water Quality (DWQ) Troy Mitchell, Wake County Disposal, LLC David Pepper, Waste Industries USA, Inc. attachments 3 King, Scott E. and Richard A. McLaughlin, "Fiber Check Dams and Polyacrylamide for Water Quality Improvement," North Carolina Cooperative Extension, http://www.soil,ncsu.edu/publications/Soilfacts/AG439-71W..j2d (April 2009). W A rFR Michael F. Easley, Governor OF QG William G. Ross Jr., Secretary `OCR North Carolina Department of Environment and Natural Resources Coleen H. Sullins, Director O `C Division of Water Quality December 18, 2008 Mr. Stacey A. Smith, PE Project Manager Richardson Smith Gardner and Associates 14 N. Boylan Avenue Raleigh, NC 27603 Subject: Request for Representative Outfall Status. South Wake Landfill Stormwater Permit NCG120080 Wake County Dear Mr, Smith: On October 6, 2008 Raleigh Regional Office (RRO) representative Judy Garrett observed the mine site with you to evaluate your request for representative outfall status. During that inspection the possibility of Representative Outfall Status was discussed. You requested that outfall No. 1 be allowed to represent the remaining10 outfalls represented on the map you submitted with your request, titled Representative Outfall Plan, Wake County DisposaltLLC;-South Wake MSW Landfill, Phase I NPDES Monitoring Plan, Fig. 1. jl s -During-the review of the existing data it was noted that no analytical data has been analysed for any of the outfalls. Existing qualitative reports indicate orange color in many locations. It was noted that.the qualitative monitoring was conducted on the uphill side of the outfalls. The qualitafive:non' itortng should be conducted at the end of each outfail(effluent side).' It is determined that the following outfalls can be representative of other outfalls at this time: 1) Outfalls 1 and 5 must continue to be monitored as required and may be allowed to be representative of outfalls 2, 3 and 4. The effluent of outfall 1 could not be located due to flooding caused by a beaver dam. The flooding will have to be eliminated so that qualitative and analytical monitoring can be conducted at this outfall. 2) Outfall number 9 must continue to be monitored and may be considered representative of outfalls 6, 7, 8, 10 and 11. Outfall 9 pond had a muddy bottom and the creek was muddy at the effluent. Sampling is required at the frequency and for the parameters set forth in the permit for Outfalls 1, 5 and 9. Because topography and activities change in a dynamic landfill situation, the above approval of the representative outfall may be revisited/re-opened by either Division of Water Quality or Wake County. Also, if new outfalls are added or if outfall locations are changed, sampling is required. In addition, after analytical data is obtained from these locations, we may revisit the request for representative outfall status. AVOA Raleigh Regional Office 1628 Mail Service Center phone (919) 791-4200 Customer Service 06E�;R Water Quality Section Raleigh, NC 27699-1628 facsimile (919) 788-7159 1-877-623-6748 Sunrock Butner Request for Representative Outfall Status, December 2008 Page 2 of 2 required. In addition, after analytical data is obtained from these locations, we may revisit the request for representative outfall status. Please note that the representative outfall designation is only for analytical monitoring requirements of the General Stormwater Permit. The qualitative monitoring requirements are still effective for all stormwater outfalls. All sedimentation and erosion controls must be maintained as required by the sedimentation and erosion control plan approved by the Division of Land Resoureces. In addition, the facility must comply with the landfill permit issued by the Division of Waste Management. If you have questions concerning this letter, please contact me or Judy Garrett at (919) 79l'-4200. cc: SWP/RRO Files Central Files 8radtry- aej,()e+4 3incely, Danny Smith Surface Water Protection Supervisor Raleigh Regional Office -bUq (er ,9 DEC 3 0, 2008 w°e",�� Ana, RICHARDSON SMITH GARDNER & ASSOCIA May 23, 2008 Ms. Coleen Sullins Director o� North Carolina Department of Environmental and Natural Resources Division of Water Quality 512 N. Salisbury St. Raleigh, North Carolina 27604 RE: South Wake MSW Landfill Wake County, North Carolina Representative Outfall Status Petition (NCG #120080) Dear Ms. Sullins, On behalf of Wake County, Richardson Smith Gardner & Associates, Inc. is submitting this petition for representative outfall status as described in Part III, Section D of the permit guidelines for Stormwater General Permit NCG120000. Industrial Activities Wake County's (MSWLF) Landfill will receive municipal solid waste (MSW) originating from residential, commercial, and industrial sources as permitted under NC Solid Waste Permit No. 92-22. Stormwater runoff associated with the development of the site has been delineated by drainage area as shown on Figure I (attached) and summarized by outfall watershed area in Table 1. Currently, there are I 1 outfall points for the Phase 1 A operations which warrant a "representative outfall". Table 1 — Potential Pollutant Summary Stormwater Outfall ID Potential Pollutant Activities Watershed (See Figure 1) Loachate Storage Tanks Vehicle Traffic Active Landfill Operations Area (AC) 1 x x x 41 2 x x 1.5 3 x x 1.1 4 x x 8.0 5 x x 40 6 x x 29 7 x 6.9 8 x 5.9 9 x 16 10 x 0.4 11 1 x 1.0 x- Potential Exposures Source: RSG Engineers, South Wake MSW Landfill Monitoring Plan, Wake-Do141. 14 N. BOYLAN AVENUE • RALEIGH, NC 27603 • TEL. 919-828-0577 • FAX 919-828-3899 + WWW.RSGENGINEERS.COM Ms. Coleen Sullins May 23, 2008 Page 2 Potential Pollutant Exposure The South Wake Landfill potential pollutants are (1) the active landfill, (2) vehicular traffic, and (3) the leachate storage tank area. The active landfill is the primary potential pollutant area as defined by the general permit. The leachate storage tank area functions to collect stormwater that comes into contact with waste prior to discharge to the Town of Holly Springs POTW (Publicly Owned Treatment Works). This storage area includes glass -fused to steel bolted tanks inside a secondary containment. Lastly, vehicle traffic associated with waste disposal, operations, and maintenance are transient across the site. However, the predominant exposure would include operational equipment which is maintained within the active landfill area. As shown in Figure 1, the proposed Outfall No. 1 represents a conservative point for monitoring since it includes all three (3) potential pollutant exposure activities. Proposed Representative Outfall Outfall No. I represents the largest drainage area with the highest potential pollutant exposoure originating from the site. Approximately 41 acres drain into Sediment Basin No. 1 located on the southwest corner of the site. The remaining outfall areas are substantially similar to one another in terms of size and potential pollutant exposure. We appreciate your attention in this matter and are prepared to promptly respond to any questions or concerns regarding this request. Should you have any questions or require clarificaiion, please contact us at (919) 828-OS77 or by email below. Regards, Richardson Smith Gardner & Associates, Inc Clark C. Wi fie P Staff Geologist cark a,rsaen ineerscom Att. 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'��\ ".- -" I - " ' , �% , " \ -, � - L , D,6LL-F � - . .. - - . . -� � �.,,.� � ,-- I I--- �.., , . - �11 , il � , - . I 1, , I , , , . i !! I .1 I I �-\, r - � ` It � - - , - . �OF w A rFgQ Michael F. Easley, Governor 0 G William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources > y Q -C Coleen H. Sullins, Director Division of Water Quality January 4, 2008 Mr. Jim Reynolds Waverly F. Akins Wake County Office Building 337 South Salisbury Street Raleigh, North Carolina 27601 Subject: General Permit No. NCG120000 Southern Wake MSW Landfill COC No. NCG120080 Wake County Dear Mr, Reynolds: In accordance with your application for a discharge permit received on August 30, 2007, we are forwarding herewith the subject certificate of coverage (COC) to discharge under the subject state — NPDES general permit. This permit is issued pursuant to the requirements of North Carolina General Statute 143-�215.1 and the Memorandum of Agreement between. North Carolina and the US Environmental Protection Agency dated May 9, 1994 (or as subsequently amended). If any parts, measurement frequencies, or sampling requirements contained in this permit are unacceptable to you, you have the right to request an individual permit by submitting an individual permit application. Unless such demand is made, this certificate of coverage shall be final and binding. Please take notice that this certificate of coverage is not transferable except after notice to the Division of Water Quality. The Division of Water Quality may require modification or revocation and reissuance of the certificate of coverage. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Quality or. permits required by the Division of Land Resources, Coastal Area Management Act or any other federal or local governmental permit that may be required. If you have any questions concerning this permit, please contact Bill Diuguid at telephone number (919) 733-5083 ext. 382. cc: Raleigh Regional Office Central Files Stormwater Permitting Unit Files Attachments Sincerely, _ ORIGINAL SIGNED BY SRADLEY SENNETT Coleen H. Sullins NorthCarolina Al aturatty North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-5083 Customer Service Internet: www.ncwate1quality.om Location: 512 N. Salisbury St, Raleigh, NC 27604 Fax . (919) 733-9612 1-877-623-6748 An Equal Opportunity/Affirmative Action Employer— 50% Recycled/100/. Post Consumer Paper Y STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO. NCG120000 CERTIFICATE OF COVERAGE No. NCG120080 STORMWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Wake County North Carolina is hereby authorized to discharge stormwater from a facility located at South Wake NISW Landfill 6000 Old Smithfield Road Apex Wake County to receiving waters designated as Little Branch Creek, Class C, to Cape Fear River Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, 1I, 11I, IV, V and VI of General Permit No. NCG120000, as attached. This Certificate of Coverage shall become effective January 4, 2008. This Certificate of Coverage shall remain in effect for the duration of the General Permit. Signed this day January 4, 2008, ORIGINAL SIGNED BY BRADLEY BENNETT Coleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission sY'.F+t •�. r+s`+' ' �K....-,.......,. ''�''.^''Rr•¢'il^ �..n--'j, r.t- AT 'l" ° A,"#v^r •;.% C.' r �.al� ""Rr#.s y .�.sx i J; s:t5 "8 i �z,-•h. i f� r - ' `,'.i tt } [ Z -%.k / i. � it �'+��C � a � �i" �� � i�} 1 L, `'S. _ �`:�..K - t��^.r ��' ••� � 7+` s � ,� � e.. ,r..� -� �*i]y �� fi` '.i'!s vy »a X.'`,e,��; � 1 ��� .[?+4 "" x��" � �f1 i 't •-•�� i'f. r ..E. ""�4„ ;4^,:+.�xR'.• x!� t ... {�.:.e r�fF;y�".,'`,� rrV'+1 5 •••/�ti e fA�. ram` ♦t y^�+s�-s re } �{� L! '�'';.}i•��^.'` �-�"l � ,e .''- -3•T,JN{'I • rr�,ra r _j 'r f •r `r- F -�1;:. + f [ c'3 '� � � r u �., }'C r �, ^*stir-♦�,.-,i �•: p� s�� f c t, x. �..c �' r*y 1 ( -�`-.��:y1 �}�# � 4 l�H i �: �'�- :+i � Y �•�i Y „� j/{�, t�'��'TMTM11L��iT'�, .h Y* �' i . ��' . �x - �F r � �"cl ! 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Mi, �f�i2 -Sl(t � ' �''ix"�'t,;�'>S` -..,- •'� {.�� �. _m'�, *yL it �p+ly,,, .+�� ' vs Latitude:35°40'38" � NCiC]12Q080 Facility Longitude: 78°5Q 41 `7'{,, s South Wake MSW Location a County: Wake C t Stream Class: C Landfill ' Receiving Stream: Little Branch Creek Stream Index: 18-7-6-1-1 NOT �C�l[�D Sub -basin: 03-06-07 (Cape Fear River Basin)