Loading...
HomeMy WebLinkAboutNC0040266_Draft Permit_20171213Water Resources ENVIRONMENTAL QUALITY ROY COOPER Goeernoi MICHAEL S REGAN Secretary LINDA CULPEPPER Interim Director December 13, 2017 Betty Murphrey Krughtdale Estates MHP LP 808 Eagle Rock Rd Wendell, N C. 27591 Subject Draft NPDES Permit NCO040266 Krughtdale Estates MHP/ Class WW -2 Wake County Dear Ms Murphrey 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 updated to reflect current language regarding electronic submission of effluent data ➢ Components list has been amended to include one digester. ➢ Regulatory citations have been added to the permit. ➢ Updated outfall map 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 questions concerning the draft, please contact me at 919-807-6393, or via e-mail [Anjah.Orlando®ncdenr gov] Sincerely, Anjali Orlando Compliance & Expedited Permittmg Unit cc NPDES Files Raleigh Regional Office State of North Carolina I Environmental Quality I Water Resources 1617 Mani 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 NCO040266 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 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, Knightdale Estates MHP Limited Partnership is hereby authorized to discharge wastewater from a facility located at the Knightdale Estates MHP WWTP Hodge Road (NCSR 2516) Knightdale Wake County to receiving waters designated as an unnamed tributary to the Neuse River in subbasin 03-04-02 of 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 February 28, 2023. Signed this day DRAFT Linda Culpepper, Interim Director Division of Water Resources By Authority of the Environmental Management Commission Page 1 of 8 Permit NCO040266 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. Knightdale Estates MHP Limited Partnership is hereby authorized to: 1. Continue to operate an existing 0.025 MGD wastewater treatment facility that includes the following components: ■ Influent pump station ■ Manual bar screen ■ Aeration basin ■ Secondary clarifier ■ Aerobic digester [2500 gallons] ■ Dual sludge storage tanks [1200 gallons each] ■ Tablet chlorine disinfection ■ Chlorine contact chamber with air diffuser ■ Tablet dechlorination ■ Post aeration ■ Effluent flow meter [ISCO 3230] ■ Digester This facility is located at the Knightdale Estates MHP WWTP off Hodge Road near Knightdale in Wake County. 2. Discharge from said treatment works via outfall 001 into an unnamed tributary to the Neuse River, currently classified C -NSW waters in sub -basin 03-0-402, hydrologic unit 030202010705 of the Neuse River Basin, at the location specified on the attached map. Page 2 of 8 Permit NCO040266 A.(1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS [15A NCAC 02B.0400 et seq.,15A NCAC 02B.0500 et seq.] (a.) 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, monitored, and reported' by the Permittee as specified below: PARAMETER EFFLUENT LIMITATIONS MONITORING REQUIREMENTS Monthly Daily Measurement Sample Sample [PCS CODE] Average Maximum Frequency Type Location2 Flow [50050] 0.025 MGD Continuous Recording Effluent Total Monthly Flow (MG) Monitor and Report Monthly Recorded or Calculated Effluent BOD, 5 -day, 20°C [00310] 27.0 mg/L 40.5 mg/L Weekly Grab Effluent (April 1- October 31) BOD, 5 -day, 20°C [00310] 30.0 mg/L 45.0 mg/L Weekly Grab Effluent (November 1— March 31) Total Suspended Solids [00530] 30.0 mg/L 45.0 mg/L Weekly Grab Effluent NH3 as N [00610] 4.8 mg/L 24.0 mg/L Weekly Grab Effluent (April 1- October 31) NH3 as N [00610] 21.7 mg/L 35.0 mg/L Weekly Grab Effluent (November 1 - March 31) Total Residual Chlorine 28 pg/L 2/Week Grab Effluent [50060] Fecal Coliform [31616] 200/100 mL 400/100 mL Weekly Grab Effluent (geometric mean) pH [00400] > 6.0 and < 9.0 standard units Weekly Grab Effluent Dissolved Oxygen [00300] Daily average > 5.0 mg/L Weekly Grab Effluent Dissolved Oxygen [00300] Weekly Grab U & D Temperature (°C) [00010] Daily Grab Effluent Temperature (°C) [00010] Weekly Grab U & D TKN (mg/L) 5 [00625] Monitor and Report Monthly Grab Effluent NO3-N + NO2-N (mg/L)5 Monitor and Report Monthly Grab Effluent [00630] Total Nitrogen (mg/L)5 Monitor and Report Monthly Grab Effluent [00600] Total Nitrogen Load Monitor and Report (pounds/month) Monthly Calculated Effluent [QM600 monthly] [QY600 annual] Report (pounds/year) Annually Calculated Effluent Total Phosphorus [00665] Monthly Grab Effluent Page 3 of 8 Permit NCO040266 Notes: 1. The permittee shall submit discharge monitoring reports electronically using the NC DWWs eDMR application system. See A. (2.). 2. U: at least 50 feet upstream from the outfall. D: at least 200 feet downstream from the outfall. 3. If solids management at the facility is deemed inadequate, this permit may be reopened to increase TSS monitoring to 3/Week (see A. 4). 4. The facility shall report all effluent TRC values reported by a NC certified laboratory (including field certified laboratories). However effluent values < 50 gg/L will be treated as zero for compliance purposes. 5. For a given wastewater sample, TN = TKN + NO3-N + NO2-N, where TN is Total Nitrogen, TKN is Total Kjeldahl Nitrogen, and NO3-N and NO2-N are Nitrate and Nitrite Nitrogen, respectively. 6. Total Nitrogen Load is the mass quantity of Total Nitrogen discharged in a given period of time [see A. (2) Calculation of Total Nitrogen Loads]. There shall be no discharge of floating solids or visible foam in other than trace amounts. Page 4 of 8 Permit NCO040266 A.(2.) CALCULATION OF TOTAL NITROGEN LOADS [G.S.143-215.1(b)] a. The Permittee shall calculate monthly and annual Total Nitrogen (TN) Loads as follows: i. Monthly TN Load (pounds/month) = 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/ month) 8.34 = conversion factor, from (mg/L x MG) to pounds ii. Annual TN Load (pounds/year) = Sum of the 12 Monthly TN Loads for the calendar year b. The Permittee shall report monthly Total Nitrogen results (mg/Land pounds/ month) in the Discharge Monitoring Report (DMR) for that month and shall report each year's annual results (pounds/ year) in the December DMR 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 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) estabhshed 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 STATUS Estuary Discharge (pounds/year) (pounds/year) Base Assigned by Rule 12/7/1997; 253 506 Active (T15A NCAC 02B 4/1/2003 .0234) Footnote: (1) Transport Factor =10% A. (4.) SOLIDS MANAGEMENT REPORTS The Permittee shall record solids depths in the clarifier(s) (using a sludge judge), sludge wasting events, onsite sludge storage capacities, effluent TSS concentrations, and all sludge hauling records (frequency and volume). This information must be documented for each ORC visitation at the treatment facility. Solids data must be provided in a written report detailing how residuals are appropriately managed. Page 5 of 8 Permit NCO040266 • Reports must be submitted to NC DENR Raleigh Regional Office, Surface Water Protection Section. • Reports are due by June 30st and December 31St of each calendar year. A. (5.) ELECTRONIC REPORTING OF 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 p--evious 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: NC DEQ / 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. Page 6 of 8 Permit NCO040266 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: http•//www2 epa gov/comphance/fmal-national-pollutant-discharge-ehmmation- system-npdes-electronic-reporting rule. Electronic submissions must start by the dates listed in the "Reporting Requirements" section above. 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: / / deq.nc. gov/ about/ divisions/water-resources / edmr 4. Signatory Requirements [Supplements Section B. (11.) (b) and Supersedes Section B. (11.) (d)] 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 Page 7 of 8 Permit NCO040266 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://deq-.nc.gov/about/divi-sions/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 cerhfij, under penalty of lazy, that this docu ment and all attachments were prepared under my direction or supervision to accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my rnqu:n,/ 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." 5. Records Retention [Supplements Section D. (6.)] 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]. (a.) Page 8 of 8