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Industrial Pretreatment Program Support <br />Local Limits Development for South Bend, IN <br />CWA Consulting Services, LLC. <br />February 28, 2017 <br />A. Background <br />The City of South Bend, Indiana (City) owns a Publicly -Owned Treatment Works (POTW) <br />for providing wastewater treatment to industrial, commercial, government and residential <br />users. The City desires to complete a local limits evaluation and development of Local <br />Limits in accordance with the U.S. Environmental Protection Agency's (EPA) 2004 Local <br />Limits Development Guidance document, as required by 40 CFR Section 403.5(c), 40 CFR <br />122.440)(2)(ii) and the City's National (Indiana) Pollutant Discharge Elimination System <br />(NPDES) permit. The State of Indiana is the permit issuing authority for the NPDES <br />permit. EPA is the Approval Authority for implementation and enforcement of 40 CFR <br />Part 403. However, the State has established pretreatment program regulations (327 IAC <br />Article 5) and requires the City to submit modifications to the State and EPA for approval <br />per 40 CFR Section 403.18. <br />B. Publicly Owned Treatment Works <br />The City holds an NPDES permit for and operates the following Publicly -Owned <br />Treatment Works (POTW) as follows: <br />Name <br />Permit <br />Number <br />Location of Treatment Works <br />Receiving <br />Waters <br />Permit <br />Effective/Expires <br />City of <br />South Bend <br />3113 Riverside Drive, South <br />St. Joseph <br />12/ <br />Wastewater <br />IN0024520 <br />Bend Indiana, St. Joseph <br />River <br />11/30/0/21 <br />Treatment <br />County. <br />Plant <br />The City's POTW is a 48 mgd (average design flow) activated sludge treatment plant with <br />nitrification and biological phosphorus removal. The treatment plant uses <br />chlorination/dechlorination and does land application of sludge. The permit identifies 35 <br />Combined Sewer Overflow locations that occur during wet weather events. This proposal <br />does not include any other wastewater treatment plants covered by NPDES permits or <br />groundwater permits. <br />C. The Local Limits Project <br />General Process <br />a. Establish a firm project schedule and tasks. See Section D. The City <br />projects that the project will commence on or about March 29, 2017. <br />The City requests that a final draft of the Local Limits Report be <br />provided by June 2, 2017. This date is conditioned on the <br />presumption that all data is currently available or able to be <br />generated and provided to CWACS at a reasonable date prior to <br />