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HomeMy WebLinkAboutNC0026557_Renewal Application_20170607Water Resources ENVIRONMENTAL QUALITY June 7, 2017 Mr. Chad Simons, Town Manager Town of Bryson City PO Box 726 Bryson City, NC 28713 Subject: Permit Renewal Application No. NCO026557 Bryson City WWTP Swain County Dear Mr. Simons: ROY COOPER MICHAEL S. REGAN S. JAY ZIMMERMAN The Water Quality Permitting Section acknowledges receipt of your permit application and supporting documentation received on June 07, 2017. The primary reviewer for this renewal application is Derek Denard. The primary reviewer will review your application, and he will contact you if additional information is required to complete your permit renewal. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made. Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. Please respond in a timely manner to requests for additional information necessary to complete the permit application. If you have any additional questions concerning renewal of the subject permit, please contact Derek at 919-807-6307 or Derek.Denard@ncdenr.gov. cc: Central Files NPDES Asheville Regional Office Sincerely, ?Am 744"d Wren Thedford Wastewater Branch State of North Carolina I Environmental Quality I Water Resources 1617 Mail Service Center I Raleigh, North Carolina 27699-1617 919-807-6300 McGill A S S O C I A T E S June 1, 2017 Charles Weaver, Asheville Region NPDES Unit Supervisor North Carolina Department of Environmental Quality Division of Water Resources 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Dear Mr. Weaver: RECEIVEDINCDEWWR JUN 0 7 2017 Water Quality permitting Section RE: Town of Bryson City Permit Renewal Application NPDES Permit No. NCO026557 Swain County, North Carolina On behalf of the Town of Bryson City, please find enclosed the NPDES Form 2A application, site map, process flow schematic, and effluent mercury analysis for the above referenced discharge permit. If you have any questions or we can provide any additional information, please contact me. Sincerely, McGILL ASSOCIATES, P.A. MICHAEL WHITTENBURG, EI Engineering Associate michael.whittenburg@mcgillengineers.com Enclosure cc: Chad Simons, Town of Bryson City Mike Waresak, PE, McGill Associates I:1Proj ects\2017117.003431Letterslcw 1 june2017. docx 55 Broad Street P.O. Box 2259 ph: 828.252.0575 Asheville, North Carolina 288isi Asheville. North Carolina 28802 is 828.252.2518 w.kw.mcgillengineers,Lcorn FACILITY NAME AND PERMIT NUMBER: Bryson City WWTP, NCO026557 PERMIT ACTION REQUESTED: Renewal FORM 2A NPDES FORM 2A APPLICATION OVERVIEW NPDES APPLICATION OVERVIEW RIVER BASIN: Little Tennessee Form 2A has been developed in a modular format and consists of a "Basic Application Information" packet and a "Supplemental Application Information" packet. The Basic Application Information packet is divided into two parts. All applicants must complete Parts A and C. Applicants with a design flow greater than or equal to 0.1 mgd must also complete Part B. Some applicants must also complete the Supplemental Application Information packet. The following items explain which parts of Form 2A you must complete. BASIC APPLICATION INFORMATION: A. Basic Application Information for all Applicants. All applicants must complete questions A.1 through A.8. A treatment works that discharges effluent to surface waters of the United States must also answer questions A.9 through A.12. B. Additional Application Information for Applicants with a Design Flow >_ 0.1 mgd. All treatment works that have design flows greater than or equal to 0.1 million gallons per day must complete questions B.1 through B.6. C. Certification. All applicants must complete Part C (Certification). SUPPLEMENTAL APPLICATION INFORMATION: D. Expanded Effluent Testing Data. A treatment works that discharges effluent to surface waters of the United States and meets one or more of the following criteria must complete Part D (Expanded Effluent Testing Data): 1. Has a design flow rate greater than or equal to 1 mgd, 2. Is required to have a pretreatment program (or has one in place), or 3. Is otherwise required by the permitting authority to provide the information. E. Toxicity Testing Data. A treatment works that meets one or more of the following criteria must complete Part E (Toxicity Testing Data): 1. Has a design flow rate greater than or equal to 1 mgd, 2. Is required to have a pretreatment program (or has one in place), or 3. Is otherwise required by the permitting authority to submit results of toxicity testing. F. Industrial User Discharges and RCRA/CERCLA Wastes. A treatment works that accepts process wastewater from any significant industrial users (SIUs) or receives RCRA or CERCLA wastes must complete Part F (Industrial User Discharges and RCRA/CERCLA Wastes). SIUs are defined as: 1. All industrial users subject to Categorical Pretreatment Standards under 40 Code of Federal Regulations (CFR) 403.6 and 40 CFR Chapter I, Subchapter N (see instructions); and 2. Any other industrial user that: a. Discharges an average of 25,000 gallons per day or more of process wastewater to the treatment works (with certain exclusions); or b. Contributes a process wastestream that makes up 5 percent or more of the average dry weather hydraulic or organic capacity of the treatment plant; or C. Is designated as an SIU by the control authority. G. Combined Sewer Systems. A treatment works that has a combined sewer system must complete Part G (Combined Sewer Systems). ALL APPLICANTS MUST COMPLETE PART C (CERTIFICATION) EPA Forth 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 10 of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 Renewal Little Tennessee BASIC APPLICATION INFORMATION PART A. BASIC APPLICATION INFORMATION FOR ALL APPLICANTS: All treatment works must complete questions A.1 through A.8 of this Basic Application Information Packet. A.I. Facility Information. Facility Name meson City WWTP Mailing Address Post Office Box 726 B son City,NC 2.8713 Contact Person Chad Simons ! Al 7 2017 Title Town Manager �UN 0 Telephone Number 828)_488-3335 Waxer Quality 0fl Facility Address 315 Riverview Road (not P.O. Box) B son CiTv North Carolina A.2. Applicant Information. If the applicant is different from the above, provide the following: Applicant Name Town of Bryson Cit Mailing Address Post Office Box 726 Brvson City NC 28713 Contact Person Chad Simons Title T Telephone Number Is the applicant the owner or operator (or both) of the treatment works? M owner ® operator Indicate whether correspondence regarding this permit should be directed to the facility or the applicant. ❑ facility ® applicant A.3. Existing Environmental Permits. Provide the permit number of any existing environmental permits that have been issued to the treatment works (include state -issued permits). NPDES UIC RCRA NCO026557 PSD Other Other A.4. Collection System Information. Provide information on municipalities and areas served by the facility. Provide the name and population of each entity and, if known, provide information on the type of collection system (combined vs. separate) and its ownership (municipal, private, etc.). Name Population Served Type of Collection System Ownership Bry son City 937 )# connections Seoarate Municipal Swain County— 221 t# connections) Separate Municioal Total population served 1 158 (# connections) EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 20 of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 Renewal I Little Tennessee A.5. Indian Country. a. Is the treatment works located in Indian Country? ❑ Yes ® No b. Does the treatment works discharge to a receiving water that is either in Indian Country or that is upstream from (and eventually flows through) Indian Country? ❑ Yes ® No A.6. Flow. Indicate the design flow rate of the treatment plant (i.e., the wastewater flow rate that the plant was built to handle). Also provide the average daily flow rate and maximum daily flow rate for each of the last three years. Each year's data must be based on a 12 -month time period with the 12"' month of "this year" occurring no more than three months prior to this application submittal. a. Design flow rate 0.6 mgd Two Years Ago Last Year This Year b. Annual average daily flow rate 0.3997 MGD 0.4385 MGD 0.3494 MGD C. Maximum daily flow rate 0.9446 MGD 1.2250 MGD 0.7890 MGD A.7. Collection System. Indicate the type(s) of collection system(s) used by the treatment plant. Check all that apply. Also estimate the percent contribution (by miles) of each. ® Separate sanitary sewer 100 % ❑ Combined storm and sanitary sewer A.S. Discharges and Other Disposal Methods. a. Does the treatment works discharge effluent to waters of the U.S.? ® Yes ❑ No If yes, list how many of each of the following types of discharge points the treatment works uses: I. Discharges of treated effluent 1 ii. Discharges of untreated or partially treated effluent 0 iii. Combined sewer overflow points 0 iv. Constructed emergency overflows (prior to the headworks) 0 V. Other 0 b. Does the treatment works discharge effluent to basins, ponds, or other surface impoundments that do not have outlets for discharge to waters of the U.S.? ❑ Yes ® No If yes, provide the following for each surface impoundment: Location: Annual average daily volume discharge to surface impoundment(s) 0 mgd Is discharge ❑ continuous or ❑ intermittent? C. Does the treatment works land -apply treated wastewater? ❑ Yes ® No If yes, provide the following for each land application site: Location: Number of acres: d. Annual average daily volume applied to site: Is land application ❑ continuous or ❑ intermittent? Does the treatment works discharge or transport treated or untreated wastewater to another treatment works? mgd ❑ Yes ® No EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 3❑ of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WVVTP, NCOO26557 Renewal Little Tennessee If yes, describe the mean(s) by which the wastewater from the treatment works is discharged or transported to the other treatment works (e.g., tank truck, pipe). If transport is by a party other than the applicant, provide: Transporter Name Mailing Address Contact Person Title Telephone Number For each treatment works that receives this discharge, provide the following: Name Mailing Address Contact Person Title Telephone Number If known, provide the NPDES permit number of the treatment works that receives this discharge Provide the average daily flow rate from the treatment works into the receiving facility. mgd e. Does the treatment works discharge or dispose of its wastewater in a manner not included in A8. through A8.d above (e.g., underground percolation, well injection): ❑ Yes ® No If yes, provide the following for each disposal method: Description of method (including location and size of site(s) if applicable): Annual daily volume disposed by this method: Is disposal through this method ❑ continuous or ❑ intermittent? EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 4G of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 I Renewal Little Tennessee WASTEWATER DISCHARGES: If you answered "Yes" to question A.8.a, complete questions A.9 through A.12 once for each outfall (including bypass points) through which effluent is discharged. Do not include information on combined sewer overflows in this section. If you answered "No" to question A.S.% go to Part B, "Additional Application Information for Applicants with a Design Flow Greater than or Equal to 0.1 mgd." A.9. Description of Outfall. a. Outfall number001 b. Location Bryson City (City or town, if applicable) (Zip Code) (County) 35` 25' 25" (State) 83° 28' 1" (Latitude) (Longitude) C. Distance from shore (if applicable) N/A ft. d. Depth below surface (if applicable) N/A ft. e. Average daily flow rate 0.3958 (average of last 3 vearsl mgd f. Does this outfall have either an intermittent or a periodic discharge? ❑ Yes ❑ No (go to A.9.g.) If yes, provide the following information: Number f times per year discharge occurs: Average duration of each discharge: Average flow per discharge: mgd Months in which discharge occurs: g. Is outfall equipped with a diffuser? ❑ Yes ® No A.10. Description of Receiving Waters. a. Name of receiving water Tuckaswee River b. Name of watershed (if known) United States Soil Conservation Service 14 -digit watershed code (if known): C. Name of State Management(River Basin (if known): United States Geological Survey 8 -digit hydrologic cataloging unit code (if known): d. Critical low flow of receiving stream (if applicable) N/A acute cis chronic e. Total hardness of receiving stream at critical low flow (if applicable): cis mg/l of CaCO3 EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 5❑ of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 Renewal Little Tennessee A.11. Description of Treatment a. What level of treatment are provided? Check all that apply. ❑ Primary ® Secondary ❑ Advanced ❑ Other. Describe: b. Indicate the following removal rates (as applicable): Design BOD5 removal or Design CBOD5 removal 85 % Design SS removal 85 % Design P removal Design N removal r Other C. What type of disinfection is used for the effluent from this outfall? If disinfection varies by season, please describe: Chlorine contact chamber — water chlorinated using 12.5% bleach and dechlorinated with CAPTOR solution +calcium thiosulfatel If disinfection is by chlorination is dechlorination used for this outfall? ® Yes ❑ No Does the treatment plant have post aeration? ❑ Yes ® No A.12. Effluent Testing Information. All Applicants that discharge to waters of the US must provide effluent testing data for the following parameters. Provide the indicated effluent testing required by the permitting authority for each outfall through which effluent is discharged. Do not include information on combined sewer overflows in this section. All information reported must be based on data collected through analysis conducted using 40 CFR Part 136 methods. In addition, this data must comply with QA/QC requirements of 40 CFR Part 136 and other appropriate QA/QC requirements for standard methods for analytes not addressed by 40 CFR Part 136. At a minimum, effluent testing data must be based on at least three samples and must be no more than four and one-half years apart. Outfall number. 001 (all values based on "this year "April 2016 — March 2017 MAXIMUM DAILY VALUE AVERAGE DAILY VALUE PARAMETER Value Units Value Units Number of Samples pH (Minimum) 6.4 S. U. pH (Maximum) 7.6 S. U. Flow Rate 1.2350 mgd 0.3494 m d 365 Temperature (Winter) 10.0 Deg C 8,8 Deg C 8 Temperature (Summer) 25.1 Deg C 23.3 1 Deg C 13 " For pH please report a minimum and a maximum daily value MAXIMUM DAILY DISCHARGE AVERAGE DAILY DISCHARGE POLLUTANT ANALYTICAL MLIMDL Conc. Units Conc. Units Number of METHODSamples CONVENTIONAL AND NON CONVENTIONAL COMPOUNDS BIOCHEMICAL OXYGEN BOD5 32.9 m /L 10.9 m /L 47 Comp 30 m /L DEMAND (Report one) CBOD5 FECAL COLIFORM 168 #/100mL 40 #/100mL 42 Grab 200/100mL TOTAL SUSPENDED SOLIDS (TSS) 121 mg/L 18.0 mg/L 47 Comp 30 mg/L END OF PART A. REFER TO THE APPLICATION OVERVIEW (PAGE 1) TO DETERMINE WHICH OTHER PARTS OF FORM 2A YOU MUST COMPLETE EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 60 of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 Renewal Little Tennessee BASIC APPLICATION INFORMATION PART B. ADDITIONAL APPLICATION INFORMATION FOR APPLICANTS WITH A DESIGN FLOW GREATER THAN OR EQUAL TO 0.1 MGD (100,000 gallons per day). All applicants with a design flow rate >_ 0.1 mgd must answer questions B.1 through B.6. All others go to Part C (Certification). B.1. Inflow and Infiltration. Estimate the average number of gallons per day that flow into the treatment works from inflow and/or infiltration. 50 000 gpd Briefly explain any steps underway or planned to minimize inflow and infiltration. Regular Ill monitoring B.2. Topographic Map. Attach to this application a topographic map of the area extending at least one mile beyond facility property boundaries. This map must show the outline of the facility and the following information. (You may submit more than one map if one map does not show the entire area.) a. The area surrounding the treatment plant, including all unit processes. b. The major pipes or other structures through which wastewater enters the treatment works and the pipes or other structures through which treated wastewater is discharged from the treatment plant. Include outfalls from bypass piping, if applicable. C. Each well where wastewater from the treatment plant is injected underground. d. Wells, springs, other surface water bodies, and drinking water wells that are: 1) within ''% mile of the property boundaries of the treatment works, and 2) listed in public record or otherwise known to the applicant. e. Any areas where the sewage sludge produced by the treatment works is stored, treated, or disposed. f. If the treatment works receives waste that is classified as hazardous under the Resource Conservation and Recovery Act (RCRA) by truck, rail, or special pipe, show on the map where the hazardous waste enters the treatment works and where it is treated, stored, and/or disposed. B.3. Process Flow Diagram or Schematic. Provide a diagram showing the processes of the treatment plant, including all bypass piping and all backup power sources or redundancy in the system. Also provide a water balance showing all treatment units, including disinfection (e.g., chlorination and dechlorination). The water balance must show daily average flow rates at influent and discharge points and approximate daily flow rates between treatment units. Include a brief narrative description of the diagram. B.4. Operation/Maintenance Performed by Contractor(s). Are any operational or maintenance aspects (related to wastewater treatment and effluent quality) of the treatment works the responsibility of a contractor? CI Yes ® No If yes, list the name, address, telephone number, and status of each contractor and describe the contractor's responsibilities (attach additional pages if necessary). Name: Lamar Williams Bryson Cit Mailing Address: P.O. Box 726 Bryson City NC 28713 Telephone Number: (828) 488-1004 Responsibilities of Contractor: Operator in Responsible Charge _ B.5. Scheduled improvements and Schedules of Implementation. Provide information on any uncompleted implementation schedule or uncompleted plans for improvements that will affect the wastewater treatment, effluent quality, or design capacity of the treatment works. If the treatment works has several different implementation schedules or is planning several improvements, submit separate responses to question B.5 for each. (If none, go to question B.6.) a. List the outfall number (assigned in question A.9) for each outfall that is covered by this implementation schedule. 001 b. Indicate whether the planned improvements or implementation schedule are required by local, State, or Federal agencies. ❑ Yes ® No EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 70 of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 Renewal Little Tennessee C. If the answer to B.5.b is "Yes," briefly describe, including new maximum daily inflow rate (if applicable). d. Provide dates imposed by any compliance schedule or any actual dates of completion for the implementation steps listed below, as applicable. For improvements planned independently of local, State, or Federal agencies, indicate planned or actual completion dates, as applicable. Indicate dates as accurately as possible. Schedule Actual Completion Implementation Stage MM/DD/YYYY MM/DD/YYYY Begin Construction End Construction I I I I Begin Discharge l I 1 I Attain Operational Level e. Have appropriate permits/clearances concerning other Federal/State requirements been obtained? ❑ Yes ❑ No Describe briefly: _ B.6. EFFLUENT TESTING DATA (GREATER THAN 0.1 MGD ONLY). Applicants that discharge to waters of the US must provide effluent testing data for the following parameters. Provide the indicated effluent testing required by the permitting authority for each outfall throucl h which effluent is discharged. Do not include information on combine sewer overflows in this section. All information reported must be based on data collected through analysis conducted using 40 CFR Part 136 methods. In addition, this data must comply with QA1QC requirements of 40 CFR Part 136 and other appropriate QA/QC requirements for standard methods for analytes not addressed by 40 CFR Part 136. At a minimum effluent testing data must be based on at least three pollutant scans and must be no more than four and on -half years old. Outfall Number: 001 MAXIMUM DAILY AVERAGE DAILY DISCHARGE DISCHARGE ANALYTICAL POLLUTANT METHOD MLIMDL Conc. Units Conc. Units Number of Samples CONVENTIONAL AND NON CONVENTIONAL COMPOUNDS AMMONIA (as N) 9.8 mg/L 2.5 mg/L 47 Comp n/a CHLORINE (TOTAL RESIDUAL, TRC) <10 micro-g1L <10 micro-g/L 47 Grab 28 micro-g/L DISSOLVED OXYGEN - mg/L - mg/L Grab not required TOTAL KJELDAHL 7,8 mg1L 6.4 mg/L 4 Comp n/a NITROGEN (TKN) NITRATE PLUS NITRITE 7.0 mg/L 3.7 mg/L 4 Comp n/a NITROGEN OIL and GREASE -- -- -- -- not required *PHOSPHORUS (Total) 2.8 mg/L '1.4 mg/L 3 Comp We TOTAL DISSOLVED SOLIDS - - not required (TDS) OTHER END OF PART B. REFER TO THE APPLICATION OVERVIEW (PAGE 1) TO DETERMINE WHICH OTHER PARTS OF FORM 2A YOU MUST COMPLETE EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 81 of 2 FACILITY NAME AND PERMIT NUMBER: PERMIT ACTION REQUESTED: RIVER BASIN: Bryson City WWTP, NCO026557 Renewal Little Tennessee BASIC APPLICATION INFORMATION PART C. CERTIFICATION All applicants must complete the Certification Section. Refer to instructions to determine who is an officer for the purposes of this certification. All applicants must complete all applicable sections of Form 2A, as explained in the Application Overview. Indicate below which parts of Form 2A you have completed and are submitting. By signing this certification statement, applicants confirm that they have reviewed Form 2A and have completed all sections that apply to the facility for which this application is submitted. Indicate which parts of Form 2A you have completed and are submitting: ® Basic Application Information packet Supplemental Application Information packet: ❑ Part D (Expanded Effluent Testing Data) Part E (Toxicity Testing: Biomonitoring Data) ❑ Part F (Industrial User Discharges and RCRA/CERCLA Wastes) ❑ Part G (Combined Sewer Systems) ALL APPLICANTS MUST COMPLETE THE FOLLOWING CERTIFICATION. I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. Name and official title ChadSions T Manager Town of Bryson Cit North Carolina Signature Telephone number (828) 488-3335—do 1 Date signed d o I 1 Upon request of the permitting authority, you must submit any other information necessary to assure wastewater treatment practices at the treatment works or identify appropriate permitting requirements. SEND COMPLETED FORMS TO: NCDENR/ DWQ Attn: NPDES Unit 1617 Mail Service Center Raleigh, North Carolina 27699-1617 EPA Form 3510-2A (Rev. 1-99). Replaces EPA forms 7550-6 & 7550-22. Page 90 of 2 Additional information, if provided, will appear on the following pages. (see attached effluent mercury testing results) NPDES FORM 2A Additional Information BRYSON CITY WWTP 2017 NPDES PERMIT RENEWAL OB NO 1' D63DG DATE MAY, 2D2 DESIGNED BY MJW2 SHEET 01\4c"iff CADD ByMJW2 oEsiGNREVIEW _ TOPOGRAPHIC MAP ASSOCIATESTOWN OF BRYSON CIT CONST REVIEW _ EN GINE ERING-PLANNING • FIN ANCE SWAIN COUNTY, NORTH CAROLINA FILENAME: B ryson d NPDES Map & Diagram dwg 1 DHnPN311JHM 13HHOIW Ad Lb 7 L WZISIS 5mp -5e10 ?deal S3U ,41,E u 4,81S30dN RUo uo­a*im-av-eyolw -,9- l o F_ LU W N 2 U) w 0,0 a:2 Ja U LL o LL O W z U U) O m LuLLw [r C) Z m U ¢ J © w w In C) w F- - J o w 0 U UZC) 2 o C)F- w o C 0 w0 W Q z 2 a AERATION AND ooi o Z O w d ~ Oo RE -AERATION ZONES ¢ OU N 3 3 oR>�wW a m » r/� CJ J LLJ_J H 6 'c�oc�mz`=2 W //y�� W F- F- ilti W<w F. Z W° ?QWQW OJT_ U m D H w .-,Coon L C z Z LL 1 C/) / F• r O 12��w �� U a Z z w Z f- z r 0 _j wZ J Z o � �w o M O 0 M N � w U U �!� O W �w z w w2 ~W Q o _ Zw W Wd w > U) OU w F W z Ln 0 LL D U w � Z UO �N Z mz �� a Z W vw J w 0 Q U w m LU m fA w p 0 o LL 0 wz Fz� R N ��C o 0 Cl J ~z� 0 c4 o Uzi zi m o _ Z) Ci J oa- yah Z w w �'- JILL z P Z z° -_moi w a DHnPN311JHM 13HHOIW Ad Lb 7 L WZISIS 5mp -5e10 ?deal S3U ,41,E u 4,81S30dN RUo uo­a*im-av-eyolw -,9- l o Permit NCO026557 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY PERMIT TO DISCHARGE WASTEWATER UNDER THE 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, the Town of Bryson City is hereby authorized to discharge wastewater from a facility located at the Bryson City WVV'TP 315 Riverview Road (NCSR 115 1) Bryson City Swain County to receiving waters designated as the Tuckasegee River in the Little Tennessee River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts 1, 11, III, and IV hereof. The permit shall become effective May 1, 2013. This permit and the authorization to discharge shall expire at midnight on October 31, 2017. Signed this day April 9, 2013. r: W UIWL bhkles Wakild, P.E., Director f Division of Water Quality By Authority of the Environmental Management Commission Permit NCO026557 SUPPLEMENT TO PERMIT COMER SHEET All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit is any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to operate and disoha±ge from this facility arises under the permit conditions, requirements, terms, and provisions included herein. The Town of Bryson City is hereby authorized to: 1. Continue to operate an existing 0.6 MGD wastewater treatment facility that includes the following treatment components: is Mechanical Bar Screen ■ Two Contact Stabilization Treatment Units consisting of influent pumping, aeration and reaeration zones, secondary clarifiers and sludge digester. ■ Sludge drying bed ■ Chlorination Dechlorination The facility is located at 315 Riverview Road (NCSR 1151), Bryson City, Swain County, 2. Discharge from said treatment works via outfall 001 into the Tuckasegee River, a Class B water in the Little Tennessee River Basin, at the location specified on the attached map. Permit NCO026557 A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge treated wastewater from Outfall 001. Such discharges shall be limited and monitored by the Permittee as specified below: .ii FL �!Nl\`l. CHAIiAC'i'ERISTIES FF MZ..T' Ih IT1ATt0Ns : T;.`iF`GE:t +.> :•`F "i.2'w '.fia F'::': _ `. 1NIOliFi'T Q]ttilliG iREQoI1ZFli17ENTS ,:,.: .r Vii: �.: .•: . .. r' .i ... i .._ ' t .:i'...l, - `? : i i Av�SjEa a AWA Y.: _ �'D Y .. •vexage Maaimuia ., l e'�p,eu� l�`regnency ftyp_Ple . Type $a*i 4P Location Flow 0.6 MGD Continuous Recording Influent or Effluent BOD, 5 -day, 20°C 1 30.0 mg/L 45.0 mg/L Weekly Composite Influent and Effluent Total Suspended Solids' 30.0 mg/L 45.0 mg/L Weekly Composite Influent and Effluent NHa as N 21month Composite Effluent Fecal Coliform (geometric mean) 200/100 mL 4001100 mL Weekly Grab Effluent pH2 _ Weekly Grab Effluent Total Residual Chlodne3 28 pg/L Weekly Grab Effluent Temperature Weekly Grab Effluent Total Nitrogen (NO2+NW-TKN) Semi-annually Composite Effluent Total Phosphorus Semiannually Composite Effluent Total Mercury See Footnote 4 Composite Effluent Notes: 1. The monthly average effluent BODS and TSS concentrations shall not exceed 15% of the respective influent value (85% removal). 2. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units. 3. The Division shall consider all effluent total residual chlorine values reported below 50 µg/l to be in compliance with the permit. However, the Permittee shall continue to record and submit all values reported by a North Carolina certified laboratory (including field certified), evert if these values fall below 50 pg/l. 4. Mercury must be monitored once during the permit cycle. See Special Condition A. (2). There shall be no discharge of floating solids or visible foam in other than trace amounts. Permit l i COU26 55 7 A. (2.) EFFLUENT MERCURY ANALYSIS The permittee shall provide in the next permit renewal application, at least one effluent mercury analysis using EPA Method 1631E. This mercury sample must be taken within 12 months prior to the application date. Any additional effluent mercury samples taker from the effective date of the permit until the application date shall also, be submitted with the renewal application. The mercury analysis must be provided with the application, or the application may be returned as incomplete and the permittee considered non-compliant. Pace Analytical Services, LLC /�aXmalxical* 2225 Riverside Dr, Asheville, NC 28804 WWWPacelaba.cwn (828)254-7176 ANALYTICAL RESULTS ' Project: BRYSON CITY Pace Project No.: 92340408 Sample: BRYSON CITY - EFFLUENT Lab ID: 92340408001 Collected: 05/11/1710:30 Received: 05/12/17 11:00 Matrix: Water Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 1631E Mercury,Low Level Analytical Method: EPA 1631 E Preparation Method: EPA 1631 E Mercury 6.55 ng/L 0.50 1 05117/1710:09 05117/1711:51 7439-97-6 Sample: BRYSON CITY - EFFLUENT Lab ID: 92340408002 Collected: 05/11/1710:30 Received: 05/12/17 11:00 Matrix: Water BLANK Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual 1631 E Mercury, Low Level Analytical Method: EPA 1631 E Preparation Method: EPA 1631 E Mercury ND ng/L 0.50 1 05/17/1710:09 05/17/.1711:59 7439-97-6 REPORT OF LABORATORY ANALYSIS This report shall not be reproduced, except in full, Date: 05/17/2017 11:29 PM without the written consent of Pace Analytical Services, LLC. 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