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SEWAGE FLOW RATE ESTIMATING GUIDE <br /> (Range and Typical are shown in gallons per unit) <br /> Estimates are based on US standards for water usage and <br /> sewage strength. <br /> Typical Wastewater Flow Rates from Commercial Sources Typical Wastewater Flow Rates from Institutional Sources <br /> Source Unit Range Typical Source Unit Range Typical <br /> Airport Passenger 2-4 3 Hos ital, Medical Bed 125-240 155 <br /> Auto Service Station Vehicle Served 7-13 10 Employee 5-15 10 <br /> Employee 9-15 12 Hospital, Mental Health Bed 75-140 100 <br /> Bar Customer 1-5 3 Employee 5-15 10 <br /> Employee 10-16 13 Correctional Institution Prison Inmate 75-150 115 <br /> Department Store Toilet Room 400-600 500 Employee 5-15 10 <br /> Employee 7-13 10 Rest Home Resident 50-120 85 <br /> Industrial Building Employee 7-16 13 School,da <br /> (Sanitary Waste Only) w/cafeteria,avm. &showers Student 15.30 25 <br /> Laundry Self-Serve Machine 450-650 550 w/cafeteria only Student 10-20 15 <br /> Wash 45-55 50 no cafeteria; no m Student 5-17 11 <br /> Office Employee 7-16 13 School, boarding Student 50-100 75 <br /> Restaurant Meal 2-4 3 <br /> Shopping Center Employee 7-13 10 yp T ical Wastewater Flow Rates from Recreational Sources <br /> Parking Space 1-2 2 <br /> Source Unit Range Typical <br /> Typical Wastewater Flow Rates from Residential Sources Apartment, Resort Person 50-70 60 <br /> Cabin, Resort Person 8-50 40 <br /> Source Unit Range Typical Cafeteria Customer 1-3 2 <br /> Apartment, High-Rise Person 35-75 50 Employee 8-12 10 <br /> Low Rise Person 50-80 65 Campground (developed) Person 20-40 30 <br /> Hotel Guest 30-55 45 Cocktail Lounge Seat 12-25 20 <br /> Individual Residence Coffee Shop Customer 4-8 6 <br /> Typical Home Person 45-90 70 Employee 8-12 10 <br /> Better Home Person 60-100 80 Country Club Member Present 60-130 100 <br /> Luxury Home Person 75-150 95 Employee 10-15 13 <br /> Older Home Person 30-60 45 Day Cam no meals Person 10-15 13 <br /> Summer Cottage Person 25-50 40 Dining Hall Meal Served 4-10 7 <br /> Motel Dormitory Person 20-50 40 <br /> with Kitchen Unit 90-180 100 Hotel, Resort Person 40-60 50 <br /> without kitchen Unit 75-150 95 Store, Resort Customer 1-4 3 <br /> Mobile Home Park Person 30-50 40 Employee 8-12 10 <br /> Swimming Pool Customer 1 5-12 10 <br /> Employee 8-12 10 <br /> Theatre Seat 2-4 3 <br /> Visitor Center Visitor 4-8 5 <br />