OSSF Management Practice Test Questions And Correct Answers (Verified Answers) 2026/2027

OSSF Management Practice Test Questions
And Correct Answers (Verified Answers)

1.
Describe the role of the Designated Representative in the context of on-site sewage facilities
(OSSFs).

• The Designated Representative installs septic systems and maintains them for
homeowners.

• The Designated Representative is responsible for educating the public about water-saving
devices.

• The Designated Representative reviews permit applications, conducts site evaluations,
and inspects OSSFs to ensure compliance with regulations.

• The Designated Representative oversees the legal requirements for wastewater
management.

2.

Who is responsible for preparing planning materials for an OSSF utilizing secondary treatment?

• Environmental scientist
• Licensed plumber

• Construction contractor

• Professional Engineer and registered sanitarian

3.

Who is authorized to install a septic tank with an LPD drainfield at a rental property?

• A plumber

• Any homeowner
• A licensed installer

• A general contractor

4.
What term is used to describe microorganisms that can cause disease?