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          74:53:01:20.  Wastewater flow capacity requirements of residential and nonresidential establishments. All individual or small on-site wastewater treatment systems shall be designed to have a capacity at least equal to the anticipated maximum daily flow. For existing facilities where the average daily flow is measured, the anticipated maximum daily wastewater flow shall be assumed to be 150 percent of the average daily flow as the basis for the design of the system. In other cases, the anticipated maximum daily flow capacity shall be determined according to the type of facility as set forth in Table 2.

 

TABLE 2

 

 

Maximum Daily Flow

 

 

 

Gallons/Person/Day

Residential

{*Gallons/Unit/Day}

 

 

Boarding Houses (with food service)

50

Hotels and Motels (without private baths)

40

Hotels and Motels (with private baths)

50

Luxury Residences and Estates

150

Mobile Home Parks (minimum of 3.5 persons)

75

Mobile Home Parks (per space)

*250

Motels (with private baths and kitchenettes or laundry)

60

Multiple Family Dwellings or Apartments

75

Rooming Houses (rooms with baths)

40

Single Family Dwellings (minimum of 3.5 persons, or

 

120 gallons per bedroom, whichever is greater)

75

 

 

Commercial

 

 

 

Airport (per passenger, without food service)

5

Airport (per public toilet room)

*500

Automobile Service Station (per toilet room)

*500

Automobile Service Station (per vehicle served)

*10

Bars and Cocktail Lounges (per patron)

2

Bars and Cocktail Lounges (per seat)

*20

Bus Stations (without food service)

5

Commercial Employees (except factory, plant, or office)

10

Factories and Plants (exclusive of industrial waste)

35

Laundries, Self Service (per washer)

*600

Offices (per employee)

15

Restaurants (kitchen wastes per patron)

3

Restaurants, on Interstate or Through Highways (per seat)

*180

Restaurants, (per seat)

*35

Restaurants (toilet and kitchen wastes per patron)

10

Restaurants (with paper service per patron)

1.5

Shopping Centers (per parking space)

2

Stores (per public toilet room)

*500

Theaters, Drive-in (not including food, per car space)

*10

Theaters, Movie, Auditorium Type (not including food,

 

per seat)

*5

Work or Construction Camps (semipermanent, with flush

 

toilets)

50

Work or Construction Camps (semipermanent, without

 

flush toilets)

25

 

 

Institutional

 

 

 

Hospitals (per bed space)

250

Institutional and School Employees

15

Institutions Other Than Hospitals (per bed space)

125

Nursing or Rest Homes (per bed space)

100

Schools, Boarding

100

Schools, Day (without cafeteria, gym, or showers)

15

Schools, Day (with cafeteria, but not gym or showers)

20

Schools, Day (with cafeteria, gym, and showers)

25

 

 

Recreational, Seasonal, or Other

 

 

 

Assembly or Dance Halls

2

Bowling Alleys (per lane)

*75

Bowling Alleys (with restaurant, per lane)

*100

Cabins, Resort

60

Campgrounds, Developed

30

Camps, Day (no meals served)

15

Camps, Luxury Resort

125

Churches (per sanctuary seat)

*5

Churches (with kitchens, per sanctuary seat)

*7

Cottages and Small Dwellings (seasonal occupancy)

50

Country Clubs, Employees

15

Country Clubs (per guest)

25

Country Clubs (per resident member)

100

Interstate Rest Areas

5

Parks, Picnic (toilet waste only)

5

Parks, Picnic (with bath houses, showers, and flush

 

toilets)

15

Parks, Travel Trailer (with individual water and sewer

 

hook-ups, per space)

*100

Parks, Travel Trailer (without individual water and

 

sewer hook-ups, per space)

*50

Parks (with central toilet and shower facilities, per space)

*75

Store, Resort

3

Swimming Pools with Bath Houses

10

Visitor Center

5

 

          Source: 12 SDR 2, effective July 18, 1985; 13 SDR 129, 13 SDR 141, effective July 1, 1987; transferred from ยง 74:03:01:57, July 1, 1996.

          General Authority: SDCL 34A-2-93.

          Law Implemented: SDCL 34A-2-20.

 


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