Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 370 - ILLINOIS RECOMMENDED STANDARDS FOR SEWAGE WORKS
Subpart L - NUTRIENT REMOVAL
Appendix B - Table No. 2 - Commonly Used Quantities of Sewage Flows From Miscellaneous Type Facilities

Universal Citation: 35 IL Admin Code ยง B
Current through Register Vol. 48, No. 12, March 22, 2024

Type of Establishment

Gallons Per Person Per Day (Unless otherwise noted)

Airports (per passenger)

5

Bathhouses and swimming pools

10

Camps:

Campground with central comfort stations

35

With flush toilets, no showers

25

Construction camps (semi-permanent)

50

Day camps (no meals served)

15

Resort camps (night and day) with limited plumbing

50

Luxury camps

100

Cottages and small dwellings with seasonal occupancy

75

Country clubs (per resident member)

100

Country clubs (per non-resident member present)

25

Dwellings:

Boarding houses

50

(additional for non-resident boarders)

10

Rooming houses

40

Factories (gallons per person, per shift, exclusive of industrial wastes)

35

Hospitals (per bed space)

250

Hotels with laundry (2 persons per room) per room

150

Institutions other than hospitals including Nursing Homes (per bed space)

125

Laundries-self service (gallons per wash)

30

Motels (per bed space) with laundry

50

Picnic parks (toilet wastes only per park user)

5

Picnic parks with bathouses, showers and flush toilets (per park user)

10

Restaurants (toilet and kitchen wastes per patron)

10

Restaurants (kitchen wastes per meal served)

3

Restaurants (additional for bars and cocktail lounges)

2

Schools:

Boarding

100

Day, without gyms, cafeterias or showers

15

Day, with gyms, cafeterias and showers

25

Day, with cafeterias, but without gyms or showers

20

Service stations (per vehicle served)

5

Swimming pools and bathouses

10

Theaters:

Movie (per auditorium seat)

5

Drive-in (per car space)

10

Travel trailer parks without individual water and sewer hook-ups (per space)

50

Travel trailer parks with individual water and sewer hook-ups (per space)

100

Workers:

Offices, schools and business establishments (per shift)

15

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