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HomeMy WebLinkAbout20240119_Pumping_Operation_&_Monitoring_Plan NOMS &TUNSTALL —CONSULTING ENGINEERS P.C.— 2602 Icon Gate Dr.Suite 102 1429 Ash-Little River Road Wilmington,NC 28412 Ash,NC 28420 (910)343-9653 (910)287-5900 (910)343-9604 Fax (910)287-5902 Fax John S.Tunstall,P.E. J.Phillip Norris,P.E. T.Jason Cluk,P.E. Joseph K Bland,P.E. Robbie P.Hennelly,E.I. November 3, 2023 NCDEQ —Stormwater Program 1612 Mail Service Center Raleigh, NC 27699-1612 Re: NCG02 Notice of Intent Submittal Kennedy Sand Mine Brunswick County, NC NT Project No. 19016 Dear Reviewer, In connection with the subject project, please find enclosed the following: • Check Made Payable to NCDEQ in the amount of$120.00 (Norris check#2384) • Original Notice of Intent • Dewatering Calcs • POM Plan • Copy-SAW-2023-00941 PJD • NCSOS Info Please review this information for approval and contact us with any questions or comments you may have. Thank you for your assistance with this project. Sincerely, NORRIS &TUNSTALL CONSULTING ENGINEERS, P.C. DDL d,KlanP.E. JKB/ttw 19016 11-03-23 s Itr—ncg02 cc: Mark Kennedy NCBELS License C-3641 PUMPING OPERATION & MONITORING PLAN Brunswick County, North Carolina For Kennedy Sand Mine iI =Z A 041620 = FNGINEEQ •ap`�: November 2023 Prepared by: NORRIS & TUNSTALL CONSULTING ENGINEERS, P.C. 1429 Ash-Little River Road Ash, North Carolina 28420 (910) 287-5900 /jbland@ntengineers.com License # C-3641 N&T Project# 19016 i Pumping Operation & Monitoring Plan Kennedy Sand Mine Pit#1 & Pit#2 PUMP SPECIFICATIONS The selected pump will be the following: • 4" Godwin CD 100S MONITORING OF WETLAND AREAS Sediment discharge sampling per General Permit No. NCG020000 Representative Sampling Samples collected and measurements taken, as required herein, shall be characteristic of the volume and nature of the permitted discharge. Analytical sampling shall be performed during a measurable storm event. Samples shall be taken on a day and time that is characteristic of the discharge. All samples shall be taken before the discharge joins or is diluted by any other waste stream, body of water, or substance. Monitoring points as specified in this General Permit shall not be changed without notification to and approval of the Permit Issuing Authority [40 CFR 122.41(j)]. Recording Results For each measurement or sample taken pursuant to the requirements of this General Permit, the permittee shall record the following information [40 CFR 122.41]: • The date, exact place, and time of sampling or measurements; • The individual(s) who performed the sampling or measurements; • The date(s) analyses were performed; • The individual(s) who performed the analyses; • The analytical techniques or methods used; and • The results of such analyses. Flow Measurements Where required, appropriate flow measurement devices and methods consistent with accepted scientific practices shall be selected and used to ensure the accuracy and reliability of measurements of the volume of monitored discharges. Test Procedures Test procedures for the analysis of pollutants shall conform to the EMC regulations published pursuant to NCGS 143-215.63 et. seq, the Water and Air Quality Reporting Acts, and to regulations published pursuant to Section 304(g), 33 USC 1314, of the Federal Water Pollution Control Act, as Amended, and Regulation 40 CFR 136. To meet the intent of the monitoring required by this General Permit, all test procedures must produce minimum detection and reporting levels and all data generated must be reported down to the minimum detection or lower reporting level of the procedure. If no approved methods are determined capable of achieving minimum detection and reporting levels below the General Permit discharge requirements, then the most sensitive (method with the lowest possible detection and reporting level) approved method must be used. Representative Outfall If a facility has multiple discharge locations with substantially identical stormwater discharges that are required to be sampled, the permittee may petition the Director for representative outfall status. If it is established that the stormwater discharges are substantially identical and the permittee is granted representative outfall status, then analytical sampling requirements may be performed at a reduced number of outfalls. Records Retention Visual monitoring shall be documented and records maintained at the facility along with the Stormwater Pollution Prevention Plan (SPPP). Copies of analytical monitoring results shall also be maintained on-site or be available electronically to a DEMLR inspector upon request. The permittee shall retain records of all monitoring information, including • All calibration and maintenance records • All original strip chart recordings for continuous monitoring instrumentation • Copies of all reports required by this General Permit, including Discharge Monitoring Reports (DMRs) and eDMR or other electronic DMR report submissions • Copies of all data used to complete the Notice of Intent to be covered by this General Permit These records or copies shall be maintained for a period of at least 5 years from the date of the sample, measurement, report or Notice of Intent application. This period may be extended by request of the Director at any time [40 CFR 122.41]. Inspection and Entry The permittee shall allow the Director, or an authorized representative (including an authorized contractor acting as a representative of the Director), or in the case of a facility which discharges through a municipal separate storm sewer system, an authorized representative of a municipal operator or the separate storm sewer system receiving the discharge, upon the presentation of credentials and other documents as may be required by law, to: • Enter upon the permittee's premises where a regulated facility or activity is located or conducted, or where records must be kept under the conditions of this General Permit; • Have access to and copy, at reasonable times, any records that must be kept under the conditions of this General Permit; • Inspect at reasonable times any facilities, equipment (including monitoring and control equipment), practices, or operations regulated or required under this General Permit; and • Sample or monitor at reasonable times, for the purposes of assuring permit compliance or as otherwise authorized by the Clean Water Act, any substances or parameters at any location [40 CFR 122.41(i)]. Discharge Monitoring Reports Samples analyzed in accordance with the terms of this General Permit shall be recorded on Discharge Monitoring Report (DMR) forms provided by the Director or submitted electronically to the appropriate authority using an approved electronic DMR reporting system (e.g., eDMR). Annual Summary DMRs shall be delivered to the Division (Central Office) no later than March 1 of each year (See 2. of this section). In addition, any samples analyzed in accordance with the terms of this permit that violate a wastewater effluent limit or exceed a stormwater benchmark value shall be submitted to the Division Regional Office on a DMR form and delivered to the Division Central Files no later than 30 days from the date the facility receives the sampling results from the laboratory. DMR forms are available on the Division's website (http://portal.ncdenr.org/web/ir/npdes-stormwater). Regardless of the submission method (paper or electronic), submittals shall be delivered to the Division, or appropriate authority, according to the provisions above. When no discharge has occurred from the facility during the report period, the permittee is required to submit a discharge monitoring report, within 30 days of the end of the specified sampling period, giving all required information and indicating "NO FLOW" as per NCAC T15A 02B .0506. If the permittee monitors any pollutant more frequently than required by this General Permit using test procedures approved under 40 CFR Part 136 and at a sampling location specified in this General Permit or other appropriate instrument governing the discharge, the results of such monitoring shall be included in the data submitted on the DMR. The permittee shall record the required qualitative monitoring observations on the SDO Qualitative Monitoring Report form provided by the Division and shall retain the completed forms on site. Qualitative monitoring results should not be submitted to the Division, except upon DEMLR's specific requirement to do so. Qualitative Monitoring Report forms are available at the website above. Submitting Reports Two signed copies of the Annual Summary Discharge Monitoring Report (DMR) shall be submitted no later than March 1 of each year to DWR Central Files not DEMLR): Central Files Division of Water Resources (DWR) 1617 Mail Service Center Raleigh, North Carolina 27699-1617 If wastewater monitoring results indicate a wastewater effluent limit violation, a signed DMR form for that monitoring period shall be sent to the appropriate DEMLR Regional Office (Attn: Stormwater Permitting Program) no later than 30 days from the date the facility receives the sampling results from the laboratory. If stormwater monitoring results indicate a stormwater benchmark value exceedance or the facility is in Tier 2 monitoring, a signed DMR form for that monitoring period shall be sent to the appropriate DEMLR Regional Office (Attn: Stormwater Permitting Program) no later than 30 days from the date the facility receives the sampling results from the laboratory. All stormwater outfall parameters shall be monitored and reported for any monitoring period that the facility is following a Tier 2 response. Addresses for each RO and the counties covered by each RO can be found here: http://Portal.ncdenr.org/web/auest/regional-offices. The permittee shall retain the completed originals on site. Visual (Qualitative) monitoring results should not be submitted to the Division unless specifically requested. Blank DMR forms, Annual Summary DMR forms, and visual monitoring forms are available at the website of the Division's Stormwater Permitting Program: http://portal.ncdenr.org/web/Ir/npdes-stormwater The Permit Issuing Authority may require the permittee to begin reporting monitoring data electronically during the term of this permit. The permittee may be required to use North Carolina's eDMR internet application for that purpose. 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 address above. Availability of Reports Except for data determined to be confidential under NCGS 143-215.3(a)(2) or Section 308 of the Federal Act, 33 USC 1318, all reports prepared in accordance with the terms shall be available for public inspection at the offices of the Division. As required by the Act, analytical data shall not be considered confidential. Knowingly making any false statement on any such report may result in the imposition of criminal penalties as provided for in NCGS 143-215.613 or in Section 309 of the Federal Act. Non-Stormwater Discharges If the storm event monitored in accordance with this General Permit coincides with a non-stormwater discharge, the permittee shall separately monitor all parameters as required under all other applicable discharge permits and provide this information with the stormwater discharge monitoring report. Planned Changes The permittee shall give notice to the Director as soon as possible of any planned changes at the permitted facility which could significantly alter the nature or quantity of pollutants discharged [40 CFR 122.41(1)]. This notification requirement includes pollutants which are not specifically listed in the General Permit or subject to notification requirements under 40 CFR Part 122.42 (a). Anticipated Noncompliance The permittee shall give advance notice to the Director of any planned changes at the permitted facility which may result in noncompliance with the General Permit [40 CFR 122.41(I)(2)]. Spills The permittee shall report to the local DEMLR Regional Office, within 24 hours, all significant spills as defined in Part VI of this General Permit. Additionally, the permittee shall report spills including: • Any oil spill of 25 gallons or more, any spill regardless of amount that causes a sheen on surface waters, any oil spill regardless of amount occurring within 100 feet of surface waters, and any oil spill less than 25 gallons that cannot be cleaned up within 24 hours. Bypass Notice [40 CFR 122.41(m)(3)]: • Anticipated bypass. If the permittee knows in advance of the need for a bypass, it shall submit prior notice, if possible at least ten days before the date of the bypass; including an evaluation of the anticipated quality and effect of the bypass. • Unanticipated bypass. The permittee shall submit notice within 24 hours of becoming aware of an unanticipated bypass. Twenty-four Hour Reporting The permittee shall report to the central office or the appropriate regional office any noncompliance which may endanger health or the environment. Any information shall be provided orally within 24 hours from the time the permittee became aware of the i circumstances. A written submission shall also be provided within 5 days of the time the permittee becomes aware of the circumstances. The written submission shall contain a description of the noncompliance, and its causes; the period of noncompliance, including exact dates and times, and if the noncompliance has not been corrected, the anticipated time compliance is expected to continue; and steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance [40 CFR 122.41(I)(6)]. • The Director may waive the written report on a case-by-case basis for reports under this section if the oral report has been received within 24 hours. • Occurrences outside normal business hours may also be reported to the Division's Emergency Response personnel at (800) 662-7956, (800) 858-0368 or (919) 733-3300. Other Noncompliance The permittee shall report all instances of noncompliance not reported under 24 hour reporting at the time monitoring reports are submitted [40 CFR 122.41(I)(7)]. Other Information Where the Permittee becomes aware that it failed to submit any relevant facts in a Notice of Intent to be covered under this General Permit, or submitted incorrect information in that Notice of Intent application or in any report to the Director, it shall promptly submit such facts or information [40 CFR 122.41(I)(8)]. DEWATERING METHOD Water will be discharged to the nearby wetlands. Mining will begin towards the back of the property and work its way to the front. Pump locations have been shown on the plans. Pit#1 • Place the portable pump at proposed location designated on the plans • Mine Area 1 o Pump water into the dewatering basins. Pit#2 • Place the portable pump at proposed location designated on the plans • Mine Area 2 o Pump water into the dewatering basins. EROSION AND FLOOD PREVENTION Silt fence will be installed along the haul road where wetlands are immediately adjacent. Other measures will be implemented as deemed necessary.