Arizona Administrative Code › Title 18 - ENVIRONMENTAL QUALITY › Chapter 9 - DEPARTMENT OF ENVIRONMENTAL QUALITY - WATER POLLUTION CONTROL › Article 3 - AQUIFER PROTECTION PERMITS - GENERAL PERMITS › Part E - TYPE 4 GENERAL PERMITS › Table 1 - Unit Design Flows

Current through Register Vol. 30, No. 28, July 12, 2024
Wastewater Source
Applicable Unit
Sewage Design Flow per Applicable Unit,
								Gallons Per Day
Airport
Passenger (average daily number)
Employee
4
15
Auto Wash
Facility
Per manufacturer, if consistent with this
								Chapter
Bar/Lounge
Seat
30
Barber Shop
Chair
35
Beauty Parlor
Chair
100
Bowling Alley (snack bar only)
Lane
75
Camp
Day camp, no cooking facilities
Campground, overnight, flush toilets
Campground, overnight, flush toilets and
								shower
Campground, luxury
Camp, youth, summer, or seasonal
Camping unit
Camping unit
Camping unit
Person
Person
30
75
150
100-150
50
Church
Without kitchen
With kitchen
Person (maximum attendance)
Person (maximum attendance)
5
7
Country Club
Resident Member
Nonresident Member
100
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 seasonal
								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
All flows
Kitchen waste only
Laundry waste only
Bed
Bed
Bed
250
25
40
Hotel/motel
Without kitchen
With kitchen
Bed (2 person)
Bed (2 person)
50
60
Industrial facility
Without showers
With showers
Cafeteria, add
Employee
Employee
Employee
25
35
5
Institutions
Resident
Nursing home
Rest home
Person
Person
Person
75
125
125
Laundry
Self service
Commercial
Wash cycle
Washing machine
50
Per manufacturer, if consistent with this
								Chapter
Office Building
Employee
20
Park (temporary use)
Picnic, with showers, flush toilets
Picnic, with flush toilets only
Recreational vehicle, no water or sewer
								connections
Recreational vehicle, with water and sewer
								connections
Mobile home/Trailer
Parking space
Parking space
Vehicle space
Vehicle space
Space
40
20
75
100
250
Restaurant/Cafeteria
With toilet, add
Kitchen waste, add
Garbage disposal, add
Cocktail lounge, add
Kitchen waste disposal service, add
Employee
Customer
Meal
Meal
Customer
Meal
20
7
6
1
2
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
Each additional bay
1000
500
Shopping Center, no food or laundry
Square foot of retail space
0.1
Store
Public restroom, add
Employee
Square foot of retail space
20
0.1
Swimming Pool, Public
Person
10
Theater
Indoor
Drive-in
Seat
Car space
5
10
Note: Unit flow rates published in standard texts,
					 literature sources, or relevant area or regional studies are considered by the
					 Department, if appropriate to the project.