Indiana Administrative Code › Title 410 - INDIANA DEPARTMENT OF HEALTH › Article 6 - SANITARY ENGINEERING › Rule 10.1 - Commercial On-Site Sewage Systems › Section 10.1-60 - Sewage flows

Current through July 10, 2024
Authority: IC
				  16-19-3-4;
				  IC
				  16-19-3-5
Affected: IC
				  16-19-3-4
Sec. 60.
(a) Sewage
				flows for commercial on-site sewage systems shall be determined from Table I as
				follows:
Table I - Estimated Sewage Flows
Type of Establishment
Design Daily Flow (gpd)
Agricultural Labor Camp
50 per occupant
Airport1
3 per passenger
20 per employee
Apartment/Condominium
200 per one-bedroom
300 per two-bedroom
350 per three-bedroom
Assembly Hall1
3 per seat
Athletic Field1
1 per participant and spectator
Auction and Flea Market1
3 per customer
Banquet Caterer1
5 per person + 100 for dishwashing
Beauty Salon
a) Perm or color changes
35 per customer
b) Stylist
20 per stylist
c) Cut with wash
10 per customer
d) Cut without wash
5 per customer
Bed and Breakfast
150 per bedroom
Bowling Alley
a) With bar or food, or both
125 per lane
b) Without food service
75 per lane
Bus Station1
3 per passenger
Campground
a) Day camp
20 per camper + 20 per staff
b) RV, with sewer hookup
50 per campsite
c) RV, without sewer hookup
50 per campsite
d) RV dump station
Included above, or 20 per campsite if on separate
							 system
e) Youth camp
40 per camper + 40 per staff
f) Cabins within campgrounds
1) without restroom
50 per cabin
2) with restroom
75 per cabin per bedroom
3) with restroom and kitchen
100 per cabin per bedroom
Church
a) With full kitchen
5 per sanctuary seat
b) With warming kitchen
4 per sanctuary seat
c) Without kitchen
3 per sanctuary seat
Coffee Shop1
6 per customer + 20 per employee
Conference Center/Meeting
							 Rooms1
20 per attendee
Correctional Facilities
120 per inmate + 20 per employee
Day Care Centers
20 per child + 20 per employee
Dentist's Office
5 per patient
75 per dentist
75 per dental technician
20 per support staff
Department Store1
0.1 per square foot
Banquet Hall
a) with food preparation
10 per seat
b) without food preparation
5 per seat
Doctor's Office
75 per doctor
75 per nurse
20 per support staff
Dormitory/Residence Hall
100 per person
Factory1
a) With showers
35 per employee
b) Without showers
20 per employee
Fairground1
3 per visitor
Emergency Station
a) Manned with firefighters
75 per firefighter
b) Unmanned with firefighters
20 per firefighter
c) EMT station
35 per EMT
Food Service Operations
a) Fast food restaurant
50 per seat
b) Restaurant (not 24-hour)
35 per seat
c) Restaurant (24-hour)
50 per seat
d) Restaurant (not 24-hour), along interstate
50 per seat
e) Restaurant (24-hour), along interstate
70 per seat
f) Tavern/bar/cocktail lounge
35 per seat
Golf Course/Mini Golf1
a) Comfort station (mid-course)
1.5 times max number of golfers
b) Restroom (main clubhouse)
5 times max number of golfers
Hotels1
100 per room
Kennels and Vet Clinics
a) Cages
5 per cage
b) Inside runs
10 per run
c) Outside runs
20 per run
d) Grooming
10 per animal
e) Surgery
25 per surgery room
f) Staff
75 per veterinary doctor
75 per veterinary assistant
20 per support staff
Mobile Home Park
200 per lot
Motel1
100 per room
Nursing Home
100 per bed + 20 per employee
Office Building1
a) Without showers
20 per employee
b) With showers
35 per employee
Picnic Area
5 per visitor
Race Tracks1
a) Attendee
5 per attendee
b) Staff
20 per staff
Residential Cluster (5 House Min.)
120 per bedroom
School
a) Elementary
15 per student
b) Secondary
25 per student
c) Amish
10 per student + 10 per staff
d) Boarding
75 per person
150 per bedroom
Convenience Store/Service Station/Gas
							 Station1
a) Truck stop with showers
1,000
30 per trucker
b) Small convenience store/service
							 center/gas station with fast food service
1,000
10 per seat
Single-family dwelling or duplex not on cluster system
150 per bedroom
Swimming Pool Bathhouse
10 per swimmer
Theater1
a) Drive-in
10 per car space
b) Inside building
5 per seat
Visitor Center
5 per visitor
1These estimated flows do not
							 include food service. If food service is provided, additional flows must be
							 assigned, based on the type of food service and hours of operation.
(b)
				For establishments not listed in Table I, contact the Division of Environmental
				Public Health of the department for assistance with determining
				flows.
(c) Designs for flows less
				than estimated from Table I may be considered based on substantial evidence
				(such as water meter readings) that lower flows will occur. Flow data from
				similar installations of equal capacity and similar surroundings may be
				considered on an individual basis.