Table 1. Unit Design Flows

Wastewater Source	Applicable Unit	Sewage Design Flow per Applicable Unit, Gallons Per Day
Airport	Passenger (average daily number)	4
	Employee	15
Auto Wash	Facility	Per manufacturer, if consis- tent with this Chapter
Bar/Lounge	Seat	30
Barber Shop	Chair	35
Beauty Parlor	Chair	100
Bowling Alley (snack bar only)	Lane	75
Camp	Camping unit	30
Day camp, no cooking facilities
Campground, overnight, flush toilets	Camping unit	75
Campground, overnight, flush toilets and shower	Camping unit	150
Campground, luxury	Person	100-150
Camp, youth, summer, or seasonal	Person	50
Church	Person (maximum attendance)	5
Without kitchen
With kitchen	Person (maximum attendance)	7
Country Club	Resident Member	100
	Nonresident Member	10
Dance Hall	Patron	5
Dental Office	Chair	500
Dog Kennel	Animal, maximum occupancy	15
Dwelling For determining design flow for sewage treatment facilities under R18-9-B202(A)(9)(a) and sewage collection systems under R18-9-E301(D) and R18-9- B301(K), excluding peaking factor.	Person	80
Dwelling For on-site wastewater treatment facilities per R18-9- E302 through R18-9-E323: Apartment Building 1 bedroom 2  bedroom 3  bedroom 4  bedroom    Seasonal or Summer Dwelling (with recorded sea- sonal occupancy restriction)    Single Family Dwellings    Other than Single Family Dwelling, the greater flow value based on: Bedroom count 1-2 bedrooms Each bedroom over 2 Fixture count	Apartment Apartment Apartment Apartment    Resident       see R18-9-A314(D)(1)             Bedroom Bedroom Fixture unit	200 300 400 500    100       see R18-9-A314(D)(1)             300 150 25
Fire Station	Employee	45
Hospital	Bed	250
All flows
Kitchen waste only	Bed	25
Laundry waste only	Bed	40

Hotel/motel Without kitchen With kitchen	Bed (2 person) Bed (2 person)	50 60
Industrial facility	Employee	25
Without showers
With showers	Employee	35
Cafeteria, add	Employee	5
Institutions	Person	75
Resident
Nursing home	Person	125
Rest home	Person	125
Laundry Self service Commercial	Wash cycle Washing machine	50 Per manufacturer, if consis- tent with this Chapter
Office Building	Employee	20
Park (temporary use)	Parking space	40
Picnic, with showers, flush toilets
Picnic, with flush toilets only	Parking space	20
Recreational vehicle, no water or sewer connections	Vehicle space	75
Recreational vehicle, with water and sewer	Vehicle space	100
connections
Mobile home/Trailer	Space	250
Restaurant/Cafeteria	Employee	20
With toilet, add	Customer	7
Kitchen waste, add	Meal	6
Garbage disposal, add	Meal	1
Cocktail lounge, add	Customer	2
Kitchen waste disposal service, add	Meal	2
Restroom, public	Toilet	200
School Staff and office Elementary, add Middle and High, add with gym & showers, add with cafeteria, add Boarding, total flow	Person Student Student Student Student Person	20 15 20 5 3 100
Service Station with toilets	First bay	1000
	Each additional bay	500
Shopping Center, no food or laundry	Square foot of retail space	0.1
Store	Employee	20
Public restroom, add	Square foot of retail space	0.1
Swimming Pool, Public	Person	10
Theater	Seat	5
Indoor
Drive-in	Car space	10

Note: Unit flow rates published in standard texts, literature sources, or relevant area or regional studies are considered by the Depart- ment, if appropriate to the project.

Historical Note

New Section adopted by final rulemaking at 7 A.A.R. 235, effective January 1, 2001 (Supp. 00-4). Amended by final rulemaking at 11 A.A.R. 4544, effective November 12, 2005 (05-3).