Waste Strength Chart

Waste Strength Chart

PlaceDesign flow (gallons per day)Waste strength range BOD5(milligrams per liter)
Airport15 per employee plus 4 per parking space200 to 280
Apartment120 per bedroom200 to 280
Assembly hall15 per employee plus 3 per seat without kitchen facilities or 7 per seat with kitchen facilities200 to 280
Banquet hall15 per employee plus 3 per seat without kitchen facilities or 7 per seat with kitchen facilities400
Barber shop80 per basin200 to 280
Beauty shop, styling salon200 per basin200 to 280
Bowling alley75 per lane200 to 280
Car washSewer connection required; contact district office
Campground or recreational park30 per tent camp site without showers; 60 per tent camp site with showers; 60 per RV camp site without water hook-up; 90 per RV camp site with water hook-up200 to 280
Church (less than 200 sanctuary seats)3 per sanctuary seat without kitchen; 5 per sanctuary seat with kitchen200 to 280
Church (greater than 200 sanctuary seats)5 per sanctuary seat without kitchen; 7 per sanctuary seat with kitchen200 to 280
Coffee shop15 per employee plus 5 per seat200 to 280
Convenience store, service station or gas station (add all flows that apply)500 per pump island; 500 per service bay; 250 per shower; 15 per employee200 to 280
Country club, sportsman club or gun club50 per member200 to 280
Dance hall15 per employee plus 3 per patron without kitchen facilities or 7 per patron with kitchen facilities200 to 280
Daycare facility35 per employee plus 10 per student200 to 280
Dentist office35 per employee plus 10 per patient plus 75 per dentist200 to 280
Doctor office35 per employee plus 10 per patient plus 75 per doctor200 to 280
Dry cleanerContact district office1200 to 280
Factory25 per employee without showers; 35 per employee with showers200 to 280
-Ordinary restaurant (not 24 hours)35 per seat400 to 600
-24 hour restaurant60 per seat400 to 600
-Restaurant along freeway100 per seat400 to 600
-Tavern (very little food service) or bar (full food service)35 per seat400 to 600
-Curb service (drive-in)40 per car space400 to 600
-Vending machine100 per machine400 to 600
*** End of food service operation/restaurant catetories ************** End of food service operation/restaurant catetories ************** End of food service operation/restaurant catetories ***********
Homes in subdivision120 per bedroom200 to 280
Hospital300 per bed plus 35 per employee200 to 280
Hotel or motel100 per room200 to 280
Institution (such as psychiatric hospitals or prisons)100 per bed plus 35 per employee300
Laundromat15 per employee plus 400 per machine200 to 280
Marina (restrooms and showers only)20 per boat mooring or slip200 to 280
Migrant labor camp50 per employee200 to 280
Mobile home park300 per mobile home space200 to 280
Nursing and rest homes200 per bed plus 100 per resident employee plus 50 per non-resident employee300
Office building20 per employee200 to 280
Playground or day park15 per employee plus 12 per parking space200 to 280
Retail store15 per employee plus 12 per parking space200 to 280
School15 per employee plus 15 per pupil for elementary schools; 20 per pupil for junior and high schools; 85 per pupil for boarding schools200 to 280
Service station or convenience store or gas station (add all flows that apply)500 per pump island; 500 per service bay; 250 per shower; 15 per employee200 to 280
Shopping center15 per employee plus 2 per parking space without food service or 5 per parking space with food service200 to 280
Swimming pool5 per swimmer without hot showers or 10 per swimmer with hot showers200 to 280
Theater5 per seat for indoor auditorium or 10 per car for drive-in200 to 280
Vacation cottage50 per person without kitchen or 75 per person with kitchen200 to 280
Veterinarian office and animal hospital15 per employee plus 100 per doctor plus 20 per run and cage200 to 280
Youth and recreation camps15 per employee for day camp plus 15 per camper for day camp with food service or 10 per camper for day camp without food service; 50 per employee for overnight camp plus 50 per camper for overnight camp