Illinois Private Sewage Contractor Exam Questions And Answers
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Course
INIWIC
Institution
INIWIC
Private Sewage Disposal System - ANS Any sewage handling or treatment facility receiving domestic
sewage from less than 15 people or population equivalent (less than 1,500 gallons} and having a ground
surface discharge or any sewage handling or treatment facility receiving domestic sewage...
Illinois Private Sewage Contractor Exam
Questions And Answers
Private Sewage Disposal System - ANS Any sewage handling or treatment facility
receiving domestic
sewage from less than 15 people or population equivalent (less than 1,500 gallons} and having
a ground
surface discharge or any sewage handling or treatment facility receiving domestic sewage and
having
no ground surface discharge
Domestic Sewage - ANS Waste water derived principally from dwellings, business, or office
buildings, institutions, food service establishments, and similar facilities
Clear Water Permitted to Drain in Septic System - ANS Cooling water
Groundwater
Discharge from roof drains
Discharge from footing tile
Condensate waste from refrigeration system
Condensate from steam heating system
Backwash from Water Softener
Prohibited Materials for Septic System - ANS Automotive Grease
Oil
Solvents
Chemicals
The use of a private sewage disposal system to service more than one property is: - ANS
Prohibited except when common property under joint ownership is provided or where the
system is under public jurisdiction
Sewers are to be installed at least ______ feet horizontally from an existing or proposed water
line. - ANS 10 Feet Horizontally
If the distance between the sewer and water line must be less than 10 feet horizontally then the
sewer line must be at least __________ inches below the invert of the water line. - ANS
18"
Approved Pipe Materials - ANS Ductile Iron, Vitrified Clay, or Plastic at least 4" in diameter
, Raw or improperly treated domestic sewage cannot be discharged into: - ANS Farm tiles
Streams
Rivers
Ponds
Lakes
Other collectors of water.
Septic Tanks cannot be located: - ANS Where surface water will accumulate
or near:
Driveways
Accessory building
Swimming pools
Parking areas
Buried lawn sprinklers
Underground utilities
Patios
Slabs
Basically Any Structure
Approved Private Sewage Disposal Systems - ANS Septic/Imhoff/Aerobic Treatment Plant
Tanks followed by:
Subsurface Seepage Field
Seepage Bed
Sand Filter
Water Stabilization Pond
8 or 10 inch Gravelless Seepage System
Chamber System
Peat Filter System
Privies, Chemical Toilets, Recirc Toilets, Incinerator Toilets, Compost Toilets
Holding Tanks
Illinois Raised Filter Bed Preceded By Batch Aeration System
If site conditions make it impractical to comply with the codes and regulations, what type of
permit shall be required? - ANS Variance Permit
When installing a new or innovative type of sewage disposal system, what type of permit shall
be required? - ANS Experimental Permit
A solids retention tank is required before a septic tank if: - ANS A garbage grinder is used
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