410 Ind. Admin. Code 6-10.1-8
Authority: IC 16-19-3-4; IC 16-19-3-5
Affected: IC 16-19-3-4
Sec. 8.
"Commercial on-site sewage system" or "on-site sewage system" means all equipment and devices necessary for proper conduction, collection, storage, treatment, and on-site disposal of sewage from other than one-family or two-family dwellings, except where such dwellings are connected to a cluster system. However, an on-site sewage system serving two (2) single-family dwellings on the same property, with a combined DDF of less than or equal to seven hundred fifty (750) gallons per day, is a residential on-site sewage system, not a commercial on-site sewage system. Included within, but not limited to, the scope of this definition are building sewers, grease traps, septic tanks, dosing tanks, absorption fields, perimeter drains, vault privies, and temporary sewage holding tanks serving such facilities as the following:
410 IAC 6-10.1-8