OSSF Installer 2 License Exam 2025: Practice Test & Study Guide

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OSSF INSTALLER 2 LICENSE EXAM NEWEST 2025

ACTUAL EXAM| OSSF INSTALLER 2 LICENSE EXAM

REVIEW WITH 100 REAL EXAM QUESTIONS AND

CORRECT VERIFIED ANSWERS/ ALREADY GRADED A+

(MOST RECENT!!)

The primary threat from malfunctioning OSSF systems is

.....ANSWER.....water born disease

Wastewater disposal and OSSF systems are regulated in order

to protect .....ANSWER.....Public health and environment

A ______ is a disease-causing microorganism

.....ANSWER.....Pathogen

A groundwater chemical contaminant that can result from septic

tanks and leachfields is which can cause_____in infants

.....ANSWER.....Nitrates and methoemoglobinmia

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Statewide regulation of OSSF began in .....ANSWER.....1989

Sept

The state agency responsible for regulating OSSF is

.....ANSWER.....TECQ

The desired method or level of OSSF regulation in Texas is

_______regulation .....ANSWER.....Local

pH measures whether wastewater is ______\or_________

.....ANSWER.....Acidity Basicity

List six diseases that might be transmitted by inadequately

treated sewage . .....ANSWER.....Typhoid Paratyphoid Polio

meningitis Hepatitis Cholera

Identify the following terms TSS DO BOD .....ANSWER.....Total

Suspended solids

Dissolved Oxygen

Biochemical oxygen demand

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Identify the most common chemical elements of sewage

.....ANSWER.....Solids

Gases

Fats and greases

DO

BOD

PH

What is the criteria that can be used to determine if a subsurface

OSSF system is functioning properly ? .....ANSWER.....The

Plumbing system must drain

No Water is surfacing or pooling above ground

There are no odors

The waste water must receive nearly complete treatment