WV SEPTIC INSTALLER EXAM PREP SOLVED
QUESTIONS ACCURATE ANSWERS
PREMIUM REVIEW
◉ For each bedroom beyond 4, how many gallons must be added to
the minimum septic tank size?
Answer: 250 gallons
◉ What is the minimum septic tank size required for a single-family
dwelling with up to 4 bedrooms in WV?
Answer: 1,000 gallons
◉ True or False: Metal septic tanks are approved for use in West
Virginia.
Answer: False
◉ What is the required minimum clearance between a septic tank
and a private water well?
Answer: 50 feet
, ◉ True or False: A soil absorption system may be installed under a
driveway or parking lot.
Answer: False
◉ What is the minimum trench depth allowed for a standard soil
absorption system?
Answer: 18 inches
◉ What is the maximum trench depth for a standard soil absorption
system?
Answer: 36 inches
◉ How many inches of gravel must be placed beneath the
distribution pipe in a trench?
Answer: 6 inches
◉ How many inches of gravel must be placed above the distribution
pipe?
Answer: 2 inches
◉ True or False: The invert of the septic tank inlet must be at least 2
inches higher than the outlet invert.
Answer: True
QUESTIONS ACCURATE ANSWERS
PREMIUM REVIEW
◉ For each bedroom beyond 4, how many gallons must be added to
the minimum septic tank size?
Answer: 250 gallons
◉ What is the minimum septic tank size required for a single-family
dwelling with up to 4 bedrooms in WV?
Answer: 1,000 gallons
◉ True or False: Metal septic tanks are approved for use in West
Virginia.
Answer: False
◉ What is the required minimum clearance between a septic tank
and a private water well?
Answer: 50 feet
, ◉ True or False: A soil absorption system may be installed under a
driveway or parking lot.
Answer: False
◉ What is the minimum trench depth allowed for a standard soil
absorption system?
Answer: 18 inches
◉ What is the maximum trench depth for a standard soil absorption
system?
Answer: 36 inches
◉ How many inches of gravel must be placed beneath the
distribution pipe in a trench?
Answer: 6 inches
◉ How many inches of gravel must be placed above the distribution
pipe?
Answer: 2 inches
◉ True or False: The invert of the septic tank inlet must be at least 2
inches higher than the outlet invert.
Answer: True