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( <br />ESTIMATES OF COMMERCICAL, INDUSTRIAL, AND <br />RECREATIONAL WASTEWATER FLOWS <br />1-3 <br />Minnesota Pollution Control Agency <br />Source of <br />sewage Unit <br />Gallons per day per unit <br />Average Maximum <br />Dwelling Units <br />Hotels or luxury motels <br />Motels <br />Rooming house <br />Add for non­ <br />resident meals <br />Commercial/Industrial <br />Retail stores <br />Offices <br />Medical offices <br />Industrial buildings <br />Construction ''.amp <br />Visitor center <br />Laundromat <br />Barber shops <br />Beauty shops <br />Car washes <br />Eating and Drinking <br />Establishments <br />Restaurant <br />(does not Include bar <br />or lounge) <br />Dining hall <br />Each guest plus add <br />for each employee <br />or <br />Square foot <br />50 <br />11 <br />60 <br />13 <br />0.26 <br />Each guest plus add <br />for each employee <br />or <br />Square foot <br />30 <br />11 <br />0.3 <br />40 <br />13 <br />Resident <br />0.22 <br />40 <br />Meal 2.5 <br />0.46 <br />50 <br />4.0 <br />Square foot of sales area <br />or <br />Each customer plus <br />each employee <br />or <br />Toilet room <br />0.1 0.15 <br />2.5 <br />11 <br />5 <br />13 <br />Employee <br />or <br />Square foot <br />Square foot <br />530 <br />15 <br />630 <br />18 <br />0.1 <br />0.6 <br />Employee 15» <br />•Does not include process water or cafeteria <br />0.25 <br />1.6 <br />20» <br />Employee <br />Visitor <br />Each machine <br />or <br />Each load <br />or <br />Square foot <br />Chair <br />Station <br />15 <br />5 <br />580 <br />20 <br />10 <br />690 <br />Inside square foot <br />2.2 <br />55 <br />270 <br />5 <br />2.9 <br />80 <br />300 <br />10 <br />Meal 2.5 4.0 <br />or <br />Each seat plus <br />add for each employee <br />Meal <br />24 <br />11 <br />2.5 <br />HU <br />& <br />I