The State of Wisconsin, as part of their private on-site wastewater treatment system program has established standards for a variety of product categories and technologies. A current listing of their approvals may be accessed at the following address:
http://www.commerce.wi.gov/SBdocs/SB-PubsPlumbProdRegApprovals.pdf
This listing is inclusive of all plumbing products for Wisconsin. To assist those who may choose to reference this listing, following are product descriptions which relate specifically to on-site wastewater treatment.
CHEMICAL OR BIOCHEMICAL SEPTIC TANK ADDITIVE 4
CHEMICAL OR PHYSICAL RESTORATION FOR POWTS
EXPERIMENTAL WATER REUSE SYSTEM
GEOTEXTILE FABRIC 18
GRAYWATER REUSE SYSTEM 18
GREASE INTERCEPTOR (also see SEWAGE TANKS)
GREYWATER REUSE SYSTEM COMPONENT
LEACHING CHAMBER 22
LEACHING SYSTEM, POLYSTYRENE AGGREGATE
SEPTIC TANK EFFLUENT PUMP SYSTEM 71
SEWAGE TANK, SITE CONSTRUCTED 72
SEWAGE TANKS, CONCRETE 74
SEWAGE TANKS, FIBERGLASS 136
SEWAGE TANKS, POLYETHYLENE 137
SEWAGE TANKS, PVC 142
SEWAGE TANKS, STEEL 142
SEWAGE TREATMENT APPARATUS (also see SEWAGE TANKS) 147
SEWAGE TREATMENT SYSTEM, RECIRCULATING MEDIA FILTER 159
SEWAGE TREATMENT SYSTEM, SINGLE PASS PEAT FILTER 159
SEWAGE TREATMENT SYSTEMS, AERATED
SEWAGE TREATMENT- ULTRAVIOLET DISINFECTION