Ind. Admin. Code tit. 410, r. 6-10.1-60
Authority: IC 16-19-3-4
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 | 1,000 | ||
| with showers | 30 per trucker | ||
| b) Small convenience store/service center/gas station | 1,000 | ||
| with fast food service | 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.
(Indiana Department of Health; 410 IAC 6-10.1-60; filed Oct 19, 2012, 2:07 p.m.: 20121114-IR-410120157FRA; readopted filed Sep 26, 2018, 2:48 p.m.: 20181024-IR-410180328RFA; readopted filed Nov 14, 2024, 1:24 p.m.: 20241211-IR-410230798RFA)