Illinois Private Sewage Contractor Exam |
96 Questions and Answers
Private Sewage Disposal System - -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 - -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 - -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 - -Automotive Grease
Oil
Solvents
Chemicals
-The use of a private sewage disposal system to service more than one property is: - -
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. - -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. - -
18"
-Approved Pipe Materials - -Ductile Iron, Vitrified Clay, or Plastic at least 4" in diameter
-Raw or improperly treated domestic sewage cannot be discharged into: - -Farm tiles
Streams
Rivers
Ponds
, Lakes
Other collectors of water.
-Septic Tanks cannot be located: - -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 - -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? - -Variance Permit
-When installing a new or innovative type of sewage disposal system, what type of permit
shall be required? - -Experimental Permit
-A solids retention tank is required before a septic tank if: - -A garbage grinder is used
-The minimum liquid depth of septic tank is: - -42"
-The maximum liquid depth of a septic tank is: - -72"
-Inlet & Outlet Openings Shall Be: - -Cast-In
Watertight
96 Questions and Answers
Private Sewage Disposal System - -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 - -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 - -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 - -Automotive Grease
Oil
Solvents
Chemicals
-The use of a private sewage disposal system to service more than one property is: - -
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. - -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. - -
18"
-Approved Pipe Materials - -Ductile Iron, Vitrified Clay, or Plastic at least 4" in diameter
-Raw or improperly treated domestic sewage cannot be discharged into: - -Farm tiles
Streams
Rivers
Ponds
, Lakes
Other collectors of water.
-Septic Tanks cannot be located: - -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 - -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? - -Variance Permit
-When installing a new or innovative type of sewage disposal system, what type of permit
shall be required? - -Experimental Permit
-A solids retention tank is required before a septic tank if: - -A garbage grinder is used
-The minimum liquid depth of septic tank is: - -42"
-The maximum liquid depth of a septic tank is: - -72"
-Inlet & Outlet Openings Shall Be: - -Cast-In
Watertight
