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
|
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.
