South Dakota Administrative Rules › Title 74 - Department of Environment And Natural Resources › Article 74:53 - Water supply and treatment systems › Chapter 74:53:01 - Individual and small on-site wastewater systems › Section 74:53:01:20 - Wastewater flow capacity requirements of residential and nonresidential establishments

Current through Register Vol. 51, page 10, July 15, 2024
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
General Authority:
SDCL
		34A-2-93.
Law Implemented:
SDCL
		34A-2-20.