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Home My WebLink AboutNC0024945_Permit Modification_20041018NPDES DOCIMENT SCANNING COVER SHEET NPDES Permit: NC0024945 Irwin Creek WWTP Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical Engineering Alternatives (EAA) Correspondence Owner Name Change Draft Permit Instream Assessment (67b) Speculative Limits Environmental Assessment (EA) Document Date: October 18, 2004 This; document is printed on reu,ise paper - ignore asiy content on the e'verse side r NCDENR Jacqueline A. Jarrell, P.E. Environmental Management Division Charlotte -Mecklenburg Utilities 4000 Westmont Dr. Charlotte, North Carolina 28217 Dear Ms. Jarrell: Michael F. Easley Governor William G. Ross, Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E., Director Division of Water Quality October 18, 2004 Subject: NPDES Permit Minor Modification Permit No. NC0024970 CMU-McAlpine Creek WWTP Mecklenburg County In accordance with your request for modification of the downstream monitoring site on Little Sugar Creek (Station ID LSC3), the Division has evaluated the information submitted and has changed the sampling site from Route 521 to Highway 51, approximately 0.6 miles upstream. Accordingly, we are forwarding herewith the modification to the subject permit. Please find enclosed the amended permit pages, which should be inserted into the McAlpine Creek WWTP permit, as well as the existing permits for the Sugar Creek (NC0024937) and Irwin Creek (NC0024945) WWTPs. The old pages should be discarded. 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 U.S. Environmental Protection Agency. If any parts, measurement frequencies or sampling requirements contained in this permit are unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty (30) days following receipt of this letter. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the office of Administrative Hearings, Post Office Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such a demand is made, this permit shall be final and binding. Please take notice that this permit is not transferable. Part II, E.4. addresses the requirements to be followed in case of change in ownership or control of this discharge. N. C. Division of Water Quality / NPDES Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 Internet: h2o.enr.state.nc.us Phone: (919) 733-5083 fax: (919) 733-0719 DENR Customer Service Center. 1 800 623-7748 Page 2 Letter to Ms. Jarrell If you have any questions or need additional information, please contact Jacquelyn M. Nowell at telephone number (919) 733-5083, extension 512. Sincerely, C.b?,J gat -A an e Klimek, P.E. Attachments cc: Central Files Mooresville Regional Office/Water Quality NPDES Files/NC0024970, NC0024945, NC0024937 NC0024970 A. (4.) Sugar Creek Monitoring Requirements - Continued. Footnotes: 1. Variable = Weekly (June 1- Sept 30) and monthly (Oct 1- May 31) It is recommended that instream monitoring for stations IC1, SC1, SC2, SC3, SC4, SC5, LSC1, MC1 and MC2 be conducted during the same day or on consecutive days. Instream monitoring requirements for McAlpine Creek WWTP, Irwin Creek WWTP and Sugar Creek WWTP are identical. Please submit all instream monitoring results along with the McAlpine Creek WWTP Discharge Monitoring Reports. A. (5.) Little Sugar Creek Monitoring Requirements During the period beginning on the effective date of the permit and lasting until expiration, the Permittee shall monitor Little Sugar Creek as specified below: Station Loeatlon1 Parameter : Measurement Sample ID Frequency T n LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Dissolved Oxygen Variables Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Temperature Variable1 Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Conductivity Variables Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Copper Monthly Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Zinc Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Dissolved Oxygen Variables Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Temperature Variables Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Conductivity Variables Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Chromium Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Copper Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Zinc Monthly Grab Footnotes: 1. Variable = Weekly (June 1- Sept 30) and monthly (Oct 1- May 31) It is recommended that instream monitoring for stations IC1, SC1, SC2, SC3, SC4, SC5, LSC1MC1 and MC2 be conducted during the same day or on consecutive days. r. NC0024970 Instream monitoring requirements for McAlpine Creek WWTP, Irwin Creek WWTP and Sugar Creek WWTP are identical. Please submit all instream monitoring results along with the McAlpine Creek WWTP Discharge Monitoring Reports. The revised instream monitoring program, no longer requires monitoring of station LSC2. The LSC2 designation continues to refer to the sampling station on Little Sugar Creek downstream of the Sugar Creek WWTP at Archdale Road; however, this station is inactive. NC0024937 A. (4.) Sugar Creek Monitoring Requirements — Continued. Footnotes: 1. Variable = Weekly (June 1— Sept 30) and monthly (Oct 1— May 31) It is recommended that instream monitoring for stations IC1, SC1, SC2, SC3, SC4, SC5, LSC1, MC1 and MC2 be conducted during the same day or on consecutive days. Instream monitoring requirements for McAlpine Creek WWTP, Irwin Creek WWTP and Sugar Creek WWTP are identical. Please submit all instream monitoring results along with the McAlpine Creek WWTP Discharge Monitoring Reports. A. (5.) Little Sugar Creek Monitoring Requirements During the period beginning on the effective date of the permit and lasting until expiration, the Permittee shall monitor Little Sugar Creek as specified below: Station. Loc tionl Parameter; . Measurement :Sa`tu e lD Frequency T . ,,, LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Dissolved Oxygen Variable' Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Temperature Variable' Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Conductivity Variable' Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Copper Monthly Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Zinc Monthly Grab - LSC3 Little Sugar Creek downstream of Sugar Creek Dissolved Oxygen Variable' Grab LSC3 Little Sugar Creek downstream of Sugar Creek Temperature Variable' Grab LSC3 Little Sugar Creek downstream of Sugar Creek Conductivity Variable' Grab LSC3 Little Sugar Creek downstream of Sugar Creek Chromium Monthly Grab . LSC3 Little Sugar Creek downstream of Sugar Creek Copper Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Zinc Monthly Grab Footnotes: 1. Variable = Weekly (June 1— Sept 30) and monthly (Oct 1— May 31) It is recommended that instream monitoring for stations IC1, SC1, SC2, SC3, SC4, SC5, LSC1MC1 and MC2 be conducted during the same day or on consecutive days. NC0024937 Instream monitoring requirements for McAlpine Creek WWTP, Irwin Creek WWTP and Sugar Creek WWTP are identical. Please submit all instream monitoring results along with the McAlpine Creek WWTP Discharge Monitoring Reports. The revised instream monitoring program, no longer requires monitoring of station LSC2. The LSC2 designation continues to refer to the sampling station on Little Sugar Creek downstream of the Sugar Creek WWTP at Archdale Road; however, this station is inactive. NC0024945 A. (4.) Sugar Creek Monitoring Requirements — Continued. Footnotes: 1. Variable = Weekly (June 1— Sept 30) and monthly (Oct 1— May 31) It is recommended that instream monitoring for stations IC1, SC1, SC2, SC3, SC4, SC5, LSC1, MC1 and MC2 be conducted during the same day or on consecutive days. Instream monitoring requirements for McAlpine Creek WWTP, Irwin Creek WWTP and Sugar Creek WWTP are identical. Please submit all instream monitoring results along with the McAlpine Creek WWTP Discharge Monitoring Reports. A. (5.) Little Sugar Creek Monitoring Requirements During the period beginning on the effective date of the permit and lasting until expiration, the Permittee shall monitor Little Sugar Creek as specified below: Stetlor Locations Parameter Measurement Sample ID ire 4-aeliay t. LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Dissolved Oxygen Variable' Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Temperature Variables Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Conductivity Variables Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Copper Monthly Grab LSC1 Little Sugar Creek upstream of Sugar Creek WWTP Zinc Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek Dissolved Oxygen Variables Grab LSC3 Little Sugar Creek downstream of Sugar Creek Temperature Variable' Grab LSC3 Little Sugar Creek downstream of Sugar Creek Conductivity Variable' Grab LSC3 Little Sugar Creek downstream of Sugar Creek Chromium Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek Copper Monthly Grab LSC3 Little Sugar Creek downstream of Sugar Creek WWTP at Highway 51 Zinc Monthly Grab roomotes: 1. Variable = Weekly (June 1— Sept 30) and monthly (Oct 1— May 31) It is recommended that instream monitoring for stations IC1, SC1, SC2, SC3, SC4, SC5, LSC1MC1 and MC2 be conducted during the same day or on consecutive days. . .t NC0024945 Instream monitoring requirements for McAlpine Creek WWTP, Irwin Creek WWTP and Sugar Creek WWTP are identical. Please submit all instream monitoring results along with the McAlpine Creek WWTP Discharge Monitoring Reports. The revised instream monitoring program, no longer requires monitoring of station LSC2. The LSC2 designation continues to refer to the sampling station on Little Sugar Creek downstream of the Sugar Creek WWTP at Archdale Road; however, this station is inactive.