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Date: June 9, 2021
Permit No.: MI0021334
Designated Site Name: Ludington WWTP
The Department of Environment, Great Lakes, and Energy (EGLE), Water Resources Division (WRD), proposes to reissue a permit to the City of Ludington for the Ludington Wastewater Treatment Plant located at 5160 West Sixth Street, Ludington, Mason County, Michigan 49431.
The applicant collects wastewater from the City of Ludington, Pere Marquette Township, the City of Scottville, Amber Township, and Hamlin Township. The applicant discharges treated municipal wastewater to the Pere Marquette River.
The draft permit includes the following modifications to the previously-issued permit: Permit language has been revised to incorporate updated references and terminology. The following new conditions have been added to the draft permit: Quantification Levels and Analytical Methods for Selected Parameters, Pollutant Minimization and Source Evaluation Program for Perfluorooctane Sulfonate (PFOS) and/or Perfluorooctanoic Acid (PFOA), Discharge Monitoring Report – Quality Assurance Study Program, and Continuous Monitoring. The following conditions have been removed from the draft permit: Final Effluent Limitations, Monitoring Point 001A and Schedule for Final Effluent Limitations. Required daily reporting for Carbonaceous Biochemical Oxygen Demand (CBOD5), Total Suspended Solids (TSS), Ammonia Nitrogen (as N), Total Phosphorus (as P), Fecal Coliform Bacteria, and the percent removal limitations for
CBOD5 and TSS is now specified. Reporting requirements for PFOS and PFOA have been added. Reporting requirements for whole effluent toxicity have been revised. Final effluent limitations
Total Copper have been removed.
The final effluent limitation for total mercury has been changed to 2.0 nanograms per liter (ng/l), which is the discharge-specific level currently achievable based on a multiple discharger variance (MDV) from the water quality-based effluent limit of 1.3 ng/l, pursuant to R 323.1103(9) of the Part
4 Rules, Water Quality Standards, promulgated under Part 31, Water Resources Protection, of the
Natural Resources and Environmental Protection Act, 1994 PA 451, as amended.
Copies of the permit application, Public Notice, Fact Sheet, Basis for Decision Memo, and draft permit may be obtained via the Internet at https://miwaters.deq.state.mi.us (select ‘Public Notice Search,’ enter the permit number into the search field, and then click ‘Search’), or you may request copies be mailed to you by contacting Ms. Sherry Thelen at e-mail: ThelenS5@michigan.gov, or telephone: 517-284-5570.
Persons wishing to submit comments or request a public hearing should go to https://miwaters.deq.state.mi.us, select ‘Public Notice Search,’ search for this public notice by entering the permit number into the search field, click ‘Search,’ click ‘View,’ click ‘Add Comment,’ enter information into the fields, and then click ‘Submit.’ Comments or objections to the draft permit received by July 9, 2021, will be considered in the final decision to issue the permit, as will comments made at a public hearing should one be held by the Department on the draft permit.
Any person may request the Department to hold a public hearing on the draft permit. The request should include specific reasons for the request, indicating which portions of the draft permit constitute the need for a hearing. If submitted comments indicate significant public interest in the draft permit or if useful information may be produced, the Department may, at its discretion, hold a public hearing on the draft permit.
If a public hearing is scheduled, public notice of the hearing will be provided at least 30 days in advance. The hearing will normally be held in the vicinity of the discharge. Inquiries should be directed to Jay Oh, Permits Section, WRD, EGLE, P.O. Box 30458, Lansing, Michigan 48909-
7958; telephone: 517-284-5597; or e-mail: OhJ@michigan.gov.
The discharge-specific level currently achievable for total mercury was developed in accordance with the WRD's approved MDV. A copy of the MDV may be obtained via the Internet at http://www.michigan.gov/deqnpdes (select Applicable Rules and Regulations), or you may request copies be mailed to you by contacting Ms. Sherry Thelen