Numbers and Titles



IncludesOnsite wastewater treatment and disposal systems serving one or more buildings or structures.
May Includeseptic tanks and other onsite systems.
Alternate Terms/AbbreviationsSeptic tank: interceptor tank. Drainage field: leach field, absorption field, drainfield.
See33 01 34 for operation and maintenance of onsite wastewater disposal systems, including septic tank solids removal 33 05 00 and 33 31 00 for piping for onsite wastewater disposal systems. 33 09 30 for instrumentation and control for onsite wastewater disposal systems 33 32 11 for field-erected wastewater pumping stations 46 07 53 for packaged wastewater treatment plants 46 53 00 for rotating biological contactors, trickling filters, sequencing batch reactors, and other biological treatment systems used for wastewater treatment at a site
33 34 13Septic Tanks
33 34 16Septic Tank Effluent Filters
33 34 19Septic Tank Accessories
33 34 23Onsite Aerobic Equipment
33 34 33Onsite Intermittent Wastewater Filtration Systems
33 34 36Onsite Recirculating Wastewater Filtration Systems
33 34 51Drainage Field System
33 34 53Distribution Chambers
33 34 56Drainage Field Dosing Chambers
33 34 57Drainage Field Infiltration Chambers