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HomeMy WebLinkAboutNC0062740_Draft Permit_20171220Water Resources ENVIRONMENTAL QUALITY ROY COOPER Governor MICHAEL S. REGAN Secretary LINDA CULPEPPER Interim Director December 20, 2017 Mr. Shannon Becker Aqua North Carolina, Inc. 202 Mackenan Court Cary, NC 27511 Subject: Draft NPDES Permit NCO062740 Briarwood Farms WWTP Wake County Class WW -2 Dear Permittee: The Division has reviewed your request to renew the subject permit. Please review this draft carefully to ensure your thorough understanding of the information, conditions, and requirements it contains. The draft permit includes the following significant changes from the existing permit: ➢ Section A. (6.) has been added to require electronic submission of effluent data. Federal regulations require electronic submittal of all discharge monitoring reports (DMRs). ➢ Regulatory citations have been added to the permit. ➢ An updated outfall map has been included. With this notification, the Division will solicit public comment on this draft permit by publishing a notice in newspapers having circulation in the general Wake County area, per EPA requirements. Please provide your comments, if any, to me no later than 30 days after receiving this draft permit. Following the 30 -day public comment period, the Division will review all pertinent comments and take appropriate action prior to issuing a final permit. If you have any questions concerning this permit, please contact Emily Phillips at (919) 807-6479. cc: NPDES files Since y, Emily Phillip 4 Compliance and Expedited Permitting Unit State of North Carolina I Environmental Quality I Water Resources 1617 Mail Service Center I Raleigh, NC 27699-1617 919 807 6300 919-807-6389 FAX https //deq nc gov/about/divisions/water-resources/water-resources-permits/wastewater-branch/npdes-wastewater-permits Permit NCO062740 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES PERMIT TO DISCHARGE WASTEWATER UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provisions 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, Aqua North Carolina, Inc. is hereby authorized to discharge wastewater from a facility located at the Briarwood Farms WWTP NCSR 1302 southeast of Apex Wake County to receiving waters designated as an unnamed tributary to Middle Creek in the Neuse River Basin in accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III and IV hereof. This permit shall become effective This permit and authorization to discharge shall expire at midnight on April 30, 2023. Signed this day Linda Culpepper Interim Director, Division of Water Resources By Authority of the Environmental Management Commission Page 1 of 8 Permit NCO062740 SUPPLEMENT TO PERMIT COVER SHEET All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this permit issuance, any previously issued permit bearing this number is no longer effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the permit conditions, requirements, terms, and provisions included herein. Aqua North Carolina, Inc. is hereby authorized to: 1. Continue to operate an existing 0.040 MGD wastewater treatment system with the following components: • Dual clarifiers • UV Disinfection • Tablet Chlorination • Tablet Dechlorination • Flow meter • Aerobic digester • Post aeration basin The facility is located southeast of Apex at the Briarwood Farms Subdivision off NCSR 1302 in Wake County. 2. Discharge from said treatment works at the location specified on the attached map into an unnamed tributary to Middle Creek, currently classified C; NSW waters in sub -basin 03-04-03 of the Neuse River Basin. Page 2 of 8 Permit NCO062740 Part I. A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B .0400 et seq., 02B .0500 et seq.] During the period beginning on effective date of the permit and lasting through expiration, the Permittee is authorized to discharge from outfall 001. Such discharges shall be limited and monitored6 by the Permittee as specified below: EFFLUENT CHARACTERISTICS LIMITS MONITORING REQUIREMENTS Monthly Daily Measurement Sample Sample Parameter Code Average Maximum Frequency Type Locationl Flow 50050 0.040 MGD Continuous Recording Influent or Effluent Total Monthly Flow 82220 Monitor & Report Monthly Calculated Influent or Effluent BOD, 5 -day (20°C) - Summer 7.5 mg/L 11.25 mg/L Weekly Composite Effluent C0310 BOD, 5 -day (20°C) - Winter 15.0 mg/L 22.5 mg/L Weekly Composite Effluent C0310 Total Suspended Solids 30.0 mg/L 45.0 mg/L Weekly Composite Effluent C0530 NH3 as N - Summer 1.0 mg/L 5.0 mg/L Weekly Composite Effluent C0610 NH3 as N - Winter 2.0 mg/L 10 0 mg/L Weekly Composite Effluent C0610 Dissolved Oxygen Daily average > 5.0 mg/L Weekly Grab Effluent 00300 Fecal Coliform (geometric mean) 200 / 100 ml 400 / 100 ml Weekly Grab Effluent 31616 Total Residual Chlorine 2 17 lag/L 21Week Grab Effluent 50060 Temperature (°C) Daily Grab Effluent 00010 TKN (mg/L) Monitor & Report Monthly Composite Effluent C0625 NO2-N + NO3-N (mg/L) Monitor & Report Monthly Composite Effluent 00630 TN (mg/L) 3 Monitor & Report Monthly Composite Effluent C0600 TN Load 4 QM600 Monitor & Report (Ib/month) 5 Monthly Calculated Effluent QY600 Monitor & Report (lb/year 5 Annually Calculated Effluent Total Phosphorus Monthly Composite Effluent C0665 pH Not < 6.0 nor > 9.0 Weekly Grab Effluent 00400 Standard Units Dissolved Oxygen WeeklyGrab Upstream & 00300 Downstream *Summer. Apnl I - October 31; Winter. November 1 - March 31 Page 3 of 8 Permit NCO062740 Footnotes: 1. Upstream = at least 100 feet upstream from the outfall. Downstream = at least 100 downstream from the outfall. 2. TRC monitoring and limit requirements apply only if chlorine or chlorine derivative is used in the treatment process. The Division shall consider all effluent TRC 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), even if these values fall below 50 µg/L. 3. For a given wastewater sample, TN = TKN + NO3-N + NO2-N, where TN is Total Nitrogen and TKN is Total Kjeldahl Nitrogen, and NO3-N and NO2-N are Nitrate and Nitrite Nitrogen, respectively. 4. TN Load is the mass quantity of Total Nitrogen discharged in a given period of time. See Special Condition A. (2.) Calculation of TN Loads. 5. See Special Condition A. (3.) Total Nitrogen Allocations. 6. The Permittee shall submit discharge monitoring reports electronically using the Division's eDMR system [see A. (6.)]. THERE SHALL BE NOT DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS. A. (2.) CALCULATION OF TOTAL NITROGEN LOADS [ G.S. 143-215.1(b)] a. The Permittee shall calculate monthly and annual TN Loads as follows: (1) Monthly TN Load (lb/mo) = TN x TMF x 8.34 where: TN = the average Total Nitrogen concentration (mg/L) of the composite samples collected during the month TMF = the Total Monthly Flow of wastewater discharged during the month (MG/mo) 8.34 = conversion factor, from (mg/L x MG) to pounds (2) Annual TN Load (lb/yr) = Sum of the 12 Monthly TN Loads for the calendar year b. The Permittee shall report monthly Total Nitrogen results (mg/L and lb/mo) in the discharge monitoring report for that month and shall report each year's annual results (lb/yr) in the December report for that year. A. (3.) TOTAL NITROGEN ALLOCATIONS [ G.S. 143-215.1(b)] a. The following table lists the Total Nitrogen (TN) allocation(s) assigned to, acquired by, or transferred to the Permittee in accordance with the Neuse River nutrient management Page 4 of 8 Permit NCO062740 rule (T15A NCAC 02B .0234) and the status of each as of permit issuance. For compliance purposes, this table does not supercede any TN limit(s) established elsewhere in this permit or in the NPDES permit of a compliance association of which the Permittee is a Co -Permittee Member. ALLOCATION TYPE SOURCE DATE ALLOCATION AMOUNT (1) STATUS Discharge Estuary (Ib/yr) (Ib/yr) Base Assigned by Rule 12/7197, 404 809 Active (T15A NCAC 02B 4/1/03 .0234) Footnote: (1) Transport Factor = 50% b. Any addition, deletion, or modification of the listed allocation(s) (other than to correct typographical errors) or any change to Active status of any of the listed allocations shall be considered a major modification of this permit and shall be subject to the public review process afforded such modifications under state and federal rules. A. (4.) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS [NCGS 143-215.1 (b)] Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and program reports. The final NPDES Electronic Reporting Rule was adopted and became effective on December 21, 2015. NOTE: This special condition supplements or supersedes the following sections within Part II of this permit (Standard Conditions for NPDES Permits): • Section B. (11.) Signatory Requirements • Section D. (2.) Reporting • Section D. (6.) Records Retention • Section E. (5.) Monitoring Reports 1. Reporting Requirements [Supersedes Section D. (2.) and Section E. (5.) (a)1 The permittee shall report discharge monitoring data electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR) internet application. Monitoring results obtained during the previous month(s) shall be summarized for each month and submitted electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring data and submit DMRs electronically using the internet. Until such time that the state's eDMR application is compliant with EPA's Cross -Media Electronic Reporting Regulation (CROMERR), permittees will be required to submit all discharge monitoring data to the state electronically using eDMR and will be required to complete the eDMR submission by printing, signing, and submitting one signed original and a copy of the computer printed eDMR to the following address: Page 5 of 8 Permit NCO062740 NC DENR / Division of Water Resources / Water Quality Permitting Section ATTENTION: Central Files 1617 Mail Service Center Raleigh, North Carolina 27699-1617 If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility being physically located in an area where less than 10 percent of the households have broadband access, then a temporary waiver from the NPDES electronic reporting requirements may be granted and discharge monitoring data may be submitted on paper DMR forms (MR 1, 1. 1, 2, 3) or alternative forms approved by the Director. Duplicate signed copies shall be submitted to the mailing address above. See "How to Request a Waiver from Electronic Reporting" section below. Regardless of the submission method, the first DMR is due on the last day of the month following the issuance of the permit or in the case of a new facility, on the last day of the month following the commencement of discharge. Starting on December 21, 2020, the permittee must electronically report the following compliance monitoring data and reports, when applicable: Sewer Overflow/Bypass Event Reports; Pretreatment Program Annual Reports; and Clean Water Act (CWA) Section 316(b) Annual Reports. The permittee may seek an electronic reporting waiver from the Division (see "How to Request a Waiver from Electronic Reporting" section below). 2. Electronic Submissions In accordance with 40 CFR 122.41(1)(9), the permittee must identify the initial recipient at the time of each electronic submission. The permittee should use the EPA's website resources to identify the initial recipient for the electronic submission. Initial recipient of electronic NPDES information from NPDES-regulated facilities means the entity (EPA or the state authorized by EPA to implement the NPDES program) that is the designated entity for receiving electronic NPDES data [see 40 CFR 127.2(b)]. EPA plans to establish a website that will also link to the appropriate electronic reporting tool for each type of electronic submission and for each state. Instructions on how to access and use the appropriate electronic reporting tool will be available as well. Information on EPA's NPDES Electronic Reporting Rule is found at: https: / /www.federalregister.gov/documents/2015/ 10/22/2015-24954/national-pollutant- discharge- elimination- system-npd?s-electronic-reporting-rule Electronic submissions must sr -art by the dates listed in the "Reporting Requirements" section above. Page 6 of 8 Permit NC0062740 3. How to Request a Waiver from Electronic Reporting The permittee may seek a temporary electronic reporting waiver from the Division. To obtain an electronic reporting waiver, a permittee must first submit an electronic reporting waiver request to the Division. Requests for temporary electronic reporting waivers must be submitted in writing to the Division for written approval at least sixty (60) days prior to the date the facility would be required under this permit to begin submitting monitoring data and reports. The duration of a temporary waiver shall not exceed 5 years and shall thereupon expire. At such time, monitoring data and reports shall be submitted electronically to the Division unless the permittee re -applies for and is granted a new temporary electronic reporting waiver by the Division. Approved electronic reporting waivers are not transferrable. Only permittees with an approved reporting waiver request may submit monitoring data and reports on paper to the Division for the period that the approved reporting waiver request is effective. Information on eDMR and the application for a temporary electronic reporting waiver are found on the following web page: http: / / deg .nc. gov /about/ divisions /water -resources / edmr 4. Sijgnatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)1 All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II, Section B. (11.) (a) or by a duly authorized representative of that person as described in Part II, Section B. (11.)(b). A person, and not a position, must be delegated signatory authority for eDMR reporting purposes. For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user account and login credentials to access the eDMR system. For more information on North Carolina's eDMR system, registering for eDMR and obtaining an eDMR user account, please visit the following web page: http: / / deg.nc. gov /about/ divisions /water -resources / edmr Certification. Any person submitting an electronic DMR using the state's eDMR system shall make the following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL BE ACCEPTED: "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 submitted 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 fines and imprisonment for knowing violations." Page 7 of 8 Permit NCO062740 5. Records Retention [Supplements Section D. (6.)1 The permittee shall retain records of all Discharge Monitoring Reports, including eDMR submissions. These records or copies shall be maintained for a period of at least 3 years from the date of the report. This period may be extended by request of the Director at any time [40 CFR 122.41]. Page 8 of 8 NCO062740 — Briarwood Farms WWTP AQUA North Carolina Latitude: 352 41'22" Longitude: 782 48'38" Stream Class: C; NSW Sub -Basin: 03-04-03 Receiving Stream: Middle Creek Facility Location North Wake County Map not to scale