Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIII - Sewage Disposal › Chapter 15 - Sewage Loading Criteria [formerly Chapter 13 Appendix B] › Section XIII-1501 - General Requirements

Current through Register Vol. 50, No. 6, June 20, 2024
A. See
				Note (a)
Place
Loading
Daily Average Flow Gallons per Day
Daily Average BOD5
							 Pounds per Day
Design Basis
Apartments
250
0.425
one bedroom
300
0.52
two bedroom
400
0.68
three bedroom
Assembly
Note (b)
2
0.0034
per seat
Bowling Alleys (no food service)
Note (b)
75
0.13
per lane
Churches
Note (b)
5
0.0088
per sanctuary seat
Churches (with permitted kitchens)
Note (c)
10
0.017
per sanctuary seat
Country Clubs
50
0.085
per member
Dance Halls
Note (b)
2
0.0034
per person
Drive-In Theaters
5
0.0085
per car space
Factories (no showers)
20
0.051
per employee
Factories (with showers)
35
0.06
per employee
Food Service Operations
Ordinary Restaurant (not 24 hour)
35
0.12
per seat
24-hour Restaurant
50
0.17
per seat
Banquet Rooms
5
0.017
per seat
Restaurant Along Freeway
100
0.33
per seat
Curb Service (drive-in)
50
0.17
per car space
Bar, Cocktail Lounges, Taverns
(no food service or very little food service)
25
0.084
per seat
(with regular food service)
35
0.12
per seat
Video Poker Machine
100
0.20
per machine
Fast Food Restaurants
40
0.13
per seat
Hotel/Motel Food Service
45
0.17
per room
Homes/Mobile Homes in Subdivisions
400
0.68
per dwelling
Individual Homes/Mobile Homes
(where individual sewage technology is utilized. For
							 each additional bedroom add 100 gpd)
250
0.425
one bedroom
300
0.51
two bedrooms
400
0.68
three bedrooms
Hospitals (no resident personnel)
Note (c)
200
0.51
per bed
Institutions (residents)
Note (c)
100
0.25
per person
Municipalities
100
0.17
per person
Mobile Home Parks
up to 5 trailer spaces
400
0.68
per mobile home space
6 trailer spaces or more
300
0.51
per mobile home space
Motels
Note (b)
100
0.12
per unit
Nursing and Rest Homes
Note (c)
100
0.25
per patient
100
0.17
per resident employee
Office Buildings
20
0.051
per employee
Recreational Vehicle Dumping Stations
Consult OPH
Recreational Vehicle Parks and Camps
125
0.21
per trailer or tent space
Retail Store
20
0.034
per employee
Schools-Elementary
Note (c)
15
0.038
per pupil
Schools-High and Junior High
Note (c)
20
0.051
per pupil
Retail Fuel Stations (Located on major highways,
							 etc., and whose primary function is to provide fuel and service to motor
							 vehicles)
Note (d)
250
0.43
per individual vehicle fueling point (up to the
							 first four)
125
0.21
for each additional individual vehicle fueling point
Shopping Centers (no food service or laundries)
0.2
0.00034
per square foot of floor space
Swimming Pool (including employees)
10
0.017
per swimmer
Showers
20
0.04
per shower
Vacation Cottages
50
0.12
per person
Youth and Recreation Camps
Note (c)
50
0.12
per person
Washing Machines
400
1.34
per machine
1. Note (a) If
				loading criteria other than presented here are used, they should be
				justified.
2. Note (b) Food Service
				waste not included.
3. Note (c)
				Food Service waste included but without garbage grinders.
4. Note (d) Vehicle fueling points are an
				arrangement of gasoline or diesel fuel pumps to serve automobiles or other
				vehicles. For the purposes of these guidelines, a vehicle fueling point is one
				that serves a vehicle at one time. Food service waste not included.
Note: Design calculations for sewage treatment facilities
				  must be made based on both hydraulic loading(s)
and
organic loading(s). Final design of facility to be used upon the larger
				  capacity (size) required by these calculations.