WITH CORRECT ANSWERS RATED A+
Aggregate - CORRECT ANSWERS Washed gravel or washed stone meeting DOT standards that
shall be between 1/2inch to 2inches in diameter
Black water - CORRECT ANSWERS Waste water that comes in direct contact with human excreta
Percolation coefficient - CORRECT ANSWERS Ratio of trench bottom area to percolation time
expressed as the allowable rate of sewage application in gallons per square foot per day.
Percolation rate - CORRECT ANSWERS Minutes per inch, required for water to seep into
saturated soil at a constant rate
Distribution device - CORRECT ANSWERS Watertight structure which receives sewage effluent
from a septic tank, dosing tank or other sewage retention device and distributes it in equal
portions to two or more absorption lines
Can you begin the physical development of a lot or structure where an on site sewage
management system will be used without first having obtained a permit from the county board
of health a construction permit for the installation of an on site sewage management system? -
CORRECT ANSWERS No
How many days does the county board of health have to approve a construction permit for
septic? - CORRECT ANSWERS 20days
If a public water supply system is to be used which permit needs to be acquired first? Public
water or construction permit for sewage - CORRECT ANSWERS Public water needs to be
approved first
,How long do on site sewage management construction permits remain valid? - CORRECT
ANSWERS 12months
What is the maximum percolation rate on tracts or parcels of land of three acres or more? -
CORRECT ANSWERS 120minutes per inch
How do you overcome a percolation rate greater than 120min/inch on a tract or parcel of land
less than three acres - CORRECT ANSWERS Include in the application a special soil study by the
soil classifier and a site plan from an engineer licensed in the state
When are you allowed to backfill your septic system - CORRECT ANSWERS When you've
received your written final inspection
A conventional or chamber septic tank system must have a septic tank design capacity between
what and what? - CORRECT ANSWERS 1000gallons and 10000gallons
What must be additionally done if a proposed sewage system is too produce a sewage flow in
excess of 2000gallons per day? - CORRECT ANSWERS Then the plans, specifications, soil data,
and absorption test data shall be submitted to the county board of health for the purpose of
obtaining a construction permit. The information shall also bear the seal of a licensed engineer
Beginning at the house what size piping shall be used in all sewer fittings? - CORRECT ANSWERS
Schedule 40 pvc minimum with a minimum of 4inch diameter
How many ft does a septic tank have to be installed away from wells, springs, sink holes and
suction water lines? - CORRECT ANSWERS 50ft
How many ft away does a septic tank need to be installed from geothermal boreholes, lakes,
ponds, streams, water courses and other impoundments? - CORRECT ANSWERS 25ft
, How close can you install a septic tank to a property line or pressure water supply lines? -
CORRECT ANSWERS 10ft
How far must a septic tank be installed from a drainage ditch or embarkment? - CORRECT
ANSWERS 15ft
How far should septic tanks be from hardscapes, drives, swimming pools and building
foundations? - CORRECT ANSWERS 10ft
What is the liquid capacity of a septic tank for single family dwellings for one, two, 3 or 4
bedrooms? What about 5rooms? What about a garbage grinder? - CORRECT ANSWERS
1000gallons with 250gallons extra per extra bedroom and 50% greater if a garbage grinder is
used!
Compartmented tanks shall be what size the liquid capacity of the tank? - CORRECT ANSWERS
2/3rds the liquid capacity
If tanks are placed in series what size shall the liquid capacity of the first tank be? - CORRECT
ANSWERS At least 1000gallons and should be 2/3 of the required liquid capacity
What is the recommended minimum earth cover over a tank? - CORRECT ANSWERS 6 inches
How far shall an absorption field be installed from existing or proposed wells, springs or
sinkholes? - CORRECT ANSWERS 100ft
How far shall absorption fields be installed from water supply lines and buildings with
basements? - CORRECT ANSWERS 10ft