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PERMIT BRIEFING MEMO <br />1.Facility Description <br />Monarch Linen at 1601 Lincolnway West (Monarch) is an industrial laundry. Monarch rents out and <br />launders textiles including table linen, medical textiles, towels, and aprons to approximately 275 Indiana <br />and Michigan customers. Monarch operates Monday through Friday from 5:00 AM. to 1:00 PM, up to <br />3:00 PM. and employs 30 people. Production is subject to seasonal variation. <br />2. Discharge description: <br />Discharge is wastewater from industrial laundry washers as well as boiler/tower blowdown. Water is <br />discharged from the industrial washers into a settling pit. This pit serves as solids removal for the wash <br />waters. The solids that are floatable are skimmed from the top of the water. The water then is discharged <br />into the City of South Bend Sewer System through a control manhole located in the south parking lot <br />adjacent to Lincolnway West. <br />Monarch has reported that copper and zinc are known to be present in their wastewater at low amounts. <br />January 2022 – September 2022 the following flow has been observed <br />Average Daily Flow: 31,836 gallons <br />Maximum Daily Flow: 60,387gallons <br />3. Sample Site Description <br />Sample Site Outfall # 156 is a manhole installed in the parking lot on the south side of the building. The <br />autosampler hangs inside the manhole during composite sample collection. Grab samples are collected at <br />the same location. <br />4. Wastewater Treatment <br />Wastewater treatment consists of grit removal and oil absorbent socks. The wastewater holding pit is <br />pumped out periodically by a third party, and then Monarch power washes the pit. <br />5. Classification <br />Monarch Textile Rental Service Sample Site Outfall #156 is classified as a Significant Industrial User <br />(SIU). Monarch Textile Rental Service is categorized as a C industry per the City’s Industrial <br />Pretreatment Program, which states that all industries discharging process wastewater between 25,000 gpd <br />and 50,000 gpd are in Category C. <br />6. Calculation of Limits <br />Discharge limits are applied from the South Bend Municipal Code without modification.