Wastewater Collections 3 2026 Question and
Answer | Actual Tested Papers with Detailed
Verified Answers
• THE MOST CRITICAL FACTORS OF THE FINAL GRADE OF A GRAVITY
WASTEWATER PIPE SHOULD BE?
A. ALIGNMENT
B. CHOICE OF PIPE MATERIALS
C. CHOICE OF LEVELING EQUIPMENT
D. CHOICE OF EXCAVATING EQUIPMENT
E. CHOICE OF PIPE BEDDING -✓✓E. CHOICE OF PIPE BEDDING
• SETTING GOALS WORKS BEST WHEN?
A. ACCOMPANIED BY AN ACTION PLAN
B. DEVELOPED BY MANAGER
C. DEVELOPED BY EMPLOYEE -✓✓C. DEVELOPED BY EMPLOYEE
• PARTICIPATORY MANAGEMENT MEANS?
A. LISTEN TO IDEAS AND THEN TAKE OVER
B. BE A MEMBER INSTEAD OF A BOSS -✓✓B. BE A MEMBER INSTEAD OF A
BOSS
• CLASS III COLLECTION SYSTEM LICENSE OR CLASS B WASTEWATER
TREATMENT PLANT OPERATOR LICENSE IS REQUIRED FOR AT LEAST
SUPERVISOR OF CONSTRUCTION AND MAINTENANCE CREWS IN
WASTEWATER SYSTEMS WITH AVERAGE FLOW GREATER THAN?
A. 100,000
B. 500,000
C. 1,000,000 -✓✓C. 1,000,000. Category III COLLECTION SYSTEM OVER 1 MGD
REQUIRES CLASS III OR B LICENSE.
• IF WASTEWATER TREATMENT OPERATING COMPANY CEASES OPERATION
AND ANOTHER ONE TAKES OVER FROM THEM WHICH IS TRUE?
A. NEW COMPANY MUST IMMEDIATELY APPLY FOR A NEW CERTIFICATION.
B. NEW COMPANY MUST NOTIFY TNRCC WITHIN 30 DAYS
C. OPERATORS CAN CONTINUE TO WORK BY VIRTUE OF THEIR INDIVIDUAL
CERTIFICATIONS
, (There was a fourth choice but not remebered) -✓✓A. NEW COMPANY MUST
IMMEDIATELY APPLY FOR A NEW CERTIFICATION
(Is probably the correct answer)
OPERATIONS COMPANY ARE NOT TRANSFERABLE.
EVERY WW SYSTEM OPERATIONS CO. MUST HOLD A VALID CERTIFICATE OF
REGISTRATION
• WHAT IS THE MINIMUM STRUCTURE LIFE? -✓✓50 YEARS.
(THE COLLECTION SYSTEM DESIGN SHALL PROVIDE A MINIMUM STRUCTURAL
LIFE CYCLE OF 50 YEARS)
• HOW MANY YEARS IN THE FUTURE MUST A DESIGNER CONSIDER THE
POPULATION TO BE SERVED WHEN DESIGNING A SEWER SYSTEM? -✓✓20 TO
25 YEARS
TWUA. TO FIGURE OUT THE POPULATION TO BE SERVED INITIALLY AND
ULTIMATELY BY THE PROPOSED SEWER FOR AT LEAST 20 YEARS.
TEEX WWC. DESIGNER MUST CONSIDER THE POPULATION TO BE SERVED AS
FAR AS 20 TO 25 YEARS IN THE FUTURE.
• WHAT IS THE MINIMUM AIR GAP BETWEEN A WATER DRAIN LINE AND THE
OVERFLOW FROM A SEWER LINE?
A. ONE DRAIN PIPE WIDTH
B. TWO DRAIN PIPE WIDTHS
(TWO OTHER OPTIONS ) -✓✓B. TWO DRAIN PIPE WIDTH
AN AIR GAP OF A MINIMUM OF 18 INCHES OR 2 PIPE DIAMETERS, WHICH EVER
IS GREATER
• Not sure what the question is yet............
A. REQUIRES A PERMIT FOR OCEAN DUMPING
B. REQUIRES A PERMIT FOR SEWER SLUDGE DISPOSAL
C. ESTABLISHES NPDES
D. ALL OF THE ABOVE -✓✓D. ALL OF THE ABOVE
• AS THE SIZE OF THE POPULATION OR AREA SERVED INCREASES THE RATIO
OF PEAK FLOW TO DAILY FLOW?
A. INCREASES
Answer | Actual Tested Papers with Detailed
Verified Answers
• THE MOST CRITICAL FACTORS OF THE FINAL GRADE OF A GRAVITY
WASTEWATER PIPE SHOULD BE?
A. ALIGNMENT
B. CHOICE OF PIPE MATERIALS
C. CHOICE OF LEVELING EQUIPMENT
D. CHOICE OF EXCAVATING EQUIPMENT
E. CHOICE OF PIPE BEDDING -✓✓E. CHOICE OF PIPE BEDDING
• SETTING GOALS WORKS BEST WHEN?
A. ACCOMPANIED BY AN ACTION PLAN
B. DEVELOPED BY MANAGER
C. DEVELOPED BY EMPLOYEE -✓✓C. DEVELOPED BY EMPLOYEE
• PARTICIPATORY MANAGEMENT MEANS?
A. LISTEN TO IDEAS AND THEN TAKE OVER
B. BE A MEMBER INSTEAD OF A BOSS -✓✓B. BE A MEMBER INSTEAD OF A
BOSS
• CLASS III COLLECTION SYSTEM LICENSE OR CLASS B WASTEWATER
TREATMENT PLANT OPERATOR LICENSE IS REQUIRED FOR AT LEAST
SUPERVISOR OF CONSTRUCTION AND MAINTENANCE CREWS IN
WASTEWATER SYSTEMS WITH AVERAGE FLOW GREATER THAN?
A. 100,000
B. 500,000
C. 1,000,000 -✓✓C. 1,000,000. Category III COLLECTION SYSTEM OVER 1 MGD
REQUIRES CLASS III OR B LICENSE.
• IF WASTEWATER TREATMENT OPERATING COMPANY CEASES OPERATION
AND ANOTHER ONE TAKES OVER FROM THEM WHICH IS TRUE?
A. NEW COMPANY MUST IMMEDIATELY APPLY FOR A NEW CERTIFICATION.
B. NEW COMPANY MUST NOTIFY TNRCC WITHIN 30 DAYS
C. OPERATORS CAN CONTINUE TO WORK BY VIRTUE OF THEIR INDIVIDUAL
CERTIFICATIONS
, (There was a fourth choice but not remebered) -✓✓A. NEW COMPANY MUST
IMMEDIATELY APPLY FOR A NEW CERTIFICATION
(Is probably the correct answer)
OPERATIONS COMPANY ARE NOT TRANSFERABLE.
EVERY WW SYSTEM OPERATIONS CO. MUST HOLD A VALID CERTIFICATE OF
REGISTRATION
• WHAT IS THE MINIMUM STRUCTURE LIFE? -✓✓50 YEARS.
(THE COLLECTION SYSTEM DESIGN SHALL PROVIDE A MINIMUM STRUCTURAL
LIFE CYCLE OF 50 YEARS)
• HOW MANY YEARS IN THE FUTURE MUST A DESIGNER CONSIDER THE
POPULATION TO BE SERVED WHEN DESIGNING A SEWER SYSTEM? -✓✓20 TO
25 YEARS
TWUA. TO FIGURE OUT THE POPULATION TO BE SERVED INITIALLY AND
ULTIMATELY BY THE PROPOSED SEWER FOR AT LEAST 20 YEARS.
TEEX WWC. DESIGNER MUST CONSIDER THE POPULATION TO BE SERVED AS
FAR AS 20 TO 25 YEARS IN THE FUTURE.
• WHAT IS THE MINIMUM AIR GAP BETWEEN A WATER DRAIN LINE AND THE
OVERFLOW FROM A SEWER LINE?
A. ONE DRAIN PIPE WIDTH
B. TWO DRAIN PIPE WIDTHS
(TWO OTHER OPTIONS ) -✓✓B. TWO DRAIN PIPE WIDTH
AN AIR GAP OF A MINIMUM OF 18 INCHES OR 2 PIPE DIAMETERS, WHICH EVER
IS GREATER
• Not sure what the question is yet............
A. REQUIRES A PERMIT FOR OCEAN DUMPING
B. REQUIRES A PERMIT FOR SEWER SLUDGE DISPOSAL
C. ESTABLISHES NPDES
D. ALL OF THE ABOVE -✓✓D. ALL OF THE ABOVE
• AS THE SIZE OF THE POPULATION OR AREA SERVED INCREASES THE RATIO
OF PEAK FLOW TO DAILY FLOW?
A. INCREASES
