PMT 108 PRINCIPLES OF WATER TEST 4
ACTUAL EXAMINATION TEST 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
◉ Black water. Answer: Human body wastes from toilets, urinals and
soil drains; also referred to as sewage.
◉ Grey Water. Answer: Wastewater that originates from culinary
activities, bathing and laundry facilities deck drains and other waste
drains.
◉ NPDES Permit. Answer: National Pollutant Discharging Elimination
System permit required before discharging wastewater into the
environment.
◉ EPA. Answer: The entity that issues a NPDES Permit.
◉ Filing period for NPDES Permit. Answer: 180 days prior to the
expiration date.
◉ Validity of NPDES Permit. Answer: 5 years.
, ◉ Cesspool. Answer: A small covered pit lined with brick or stone
designed to allow leaching out.
◉ Comminuting devices. Answer: Devices that break or cut up solids to
such size that they can be returned to the wastewater without danger of
clogging pumps or piping.
◉ Comminuting devices (alternative definition). Answer: Includes
grinders, cutters, or shredders.
◉ Health and personal protective requirements for wastewater treatment
personnel. Answer: - Immunizations
- No hand to mouth contact while in direct source of contamination
- PPE for spills.
◉ Purposes of wastewater treatment. Answer: - Protect community,
- prevent contamination,
- maintain clean water,
- conserve water.
◉ Effluent. Answer: Wastewater or other liquid partially or completely
treated or in its natural state flowing out of a reservoir, basin, sewage
treatment plant, industrial plant or marine sanitation device.
ACTUAL EXAMINATION TEST 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
◉ Black water. Answer: Human body wastes from toilets, urinals and
soil drains; also referred to as sewage.
◉ Grey Water. Answer: Wastewater that originates from culinary
activities, bathing and laundry facilities deck drains and other waste
drains.
◉ NPDES Permit. Answer: National Pollutant Discharging Elimination
System permit required before discharging wastewater into the
environment.
◉ EPA. Answer: The entity that issues a NPDES Permit.
◉ Filing period for NPDES Permit. Answer: 180 days prior to the
expiration date.
◉ Validity of NPDES Permit. Answer: 5 years.
, ◉ Cesspool. Answer: A small covered pit lined with brick or stone
designed to allow leaching out.
◉ Comminuting devices. Answer: Devices that break or cut up solids to
such size that they can be returned to the wastewater without danger of
clogging pumps or piping.
◉ Comminuting devices (alternative definition). Answer: Includes
grinders, cutters, or shredders.
◉ Health and personal protective requirements for wastewater treatment
personnel. Answer: - Immunizations
- No hand to mouth contact while in direct source of contamination
- PPE for spills.
◉ Purposes of wastewater treatment. Answer: - Protect community,
- prevent contamination,
- maintain clean water,
- conserve water.
◉ Effluent. Answer: Wastewater or other liquid partially or completely
treated or in its natural state flowing out of a reservoir, basin, sewage
treatment plant, industrial plant or marine sanitation device.
