410 IAC 6-10.1-60 Sewage flows

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.