1|Page
WASTE WATER GRADE 1 EXAM NEWEST 2025/2026 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
Anaerobic bacteria also produces what ? - ANSWER-CO2
Carbón Dioxide
4 Need to know's of Carbon Dioxide ? - ANSWER-1. Non-
flammable and non-explosive
2. Odorless
3. Not toxic but can cause asphyxiation
4. Heavier than air
How much hydrogen sulfide is contained in anaerobic digesters
gas ? - ANSWER-less than 1%
How much lb TSS does a person generate on average ? -
ANSWER-.20 lb TSS/d
,2|Page
Double Dashes should not be used when expressing an
equivalent ? - ANSWER-True (0.17 lb BOM/d)
Where does domestic water come from ? - ANSWER-Water that
comes from homes, schools, hospitals, businesses, restaurants,
and offices.
How much waste water does one person on average generate ? -
ANSWER-100 gallons of waste water per day.
On average how much does one person contribute lb BOD/d? -
ANSWER-0.17 lb BOD/d
Where does industrial water come from? - ANSWER-From
industries such as dairy farms, meat packing, food processing etc.
What is a compatible industry ? - ANSWER-Dairy farms, meat
packing, food processing etc.
What is incompatible industrial industry? - ANSWER-Industries
that waste heavy metals, copper, lead, zinc, chromium, nickel,
, 3|Page
cadmium, cyanide, pesticides, herbicides, and other toxic
compounds.
What is 40 CFR part 403? - ANSWER-Makes it illegal for any
industry to discharge incompatible waste to publicly owned
wastewater treatment plant.
Sanitary water is what ? - ANSWER-Sanitary water is combined
of domestic and industrial waste water from the community.
Storm water come from where ? - ANSWER-Water that runs from
roads, parking lots, and other impervious surfaces during rain or
snowstorms.
What two cities in California separate storm water and sewer
water ? - ANSWER-SF and Sacramento
Sanitary sewers have what type of waste water ? Where does this
waste water go? - ANSWER-Domestic and industrial wastewater
and it's generated to a wastewater treatment plant.
WASTE WATER GRADE 1 EXAM NEWEST 2025/2026 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
Anaerobic bacteria also produces what ? - ANSWER-CO2
Carbón Dioxide
4 Need to know's of Carbon Dioxide ? - ANSWER-1. Non-
flammable and non-explosive
2. Odorless
3. Not toxic but can cause asphyxiation
4. Heavier than air
How much hydrogen sulfide is contained in anaerobic digesters
gas ? - ANSWER-less than 1%
How much lb TSS does a person generate on average ? -
ANSWER-.20 lb TSS/d
,2|Page
Double Dashes should not be used when expressing an
equivalent ? - ANSWER-True (0.17 lb BOM/d)
Where does domestic water come from ? - ANSWER-Water that
comes from homes, schools, hospitals, businesses, restaurants,
and offices.
How much waste water does one person on average generate ? -
ANSWER-100 gallons of waste water per day.
On average how much does one person contribute lb BOD/d? -
ANSWER-0.17 lb BOD/d
Where does industrial water come from? - ANSWER-From
industries such as dairy farms, meat packing, food processing etc.
What is a compatible industry ? - ANSWER-Dairy farms, meat
packing, food processing etc.
What is incompatible industrial industry? - ANSWER-Industries
that waste heavy metals, copper, lead, zinc, chromium, nickel,
, 3|Page
cadmium, cyanide, pesticides, herbicides, and other toxic
compounds.
What is 40 CFR part 403? - ANSWER-Makes it illegal for any
industry to discharge incompatible waste to publicly owned
wastewater treatment plant.
Sanitary water is what ? - ANSWER-Sanitary water is combined
of domestic and industrial waste water from the community.
Storm water come from where ? - ANSWER-Water that runs from
roads, parking lots, and other impervious surfaces during rain or
snowstorms.
What two cities in California separate storm water and sewer
water ? - ANSWER-SF and Sacramento
Sanitary sewers have what type of waste water ? Where does this
waste water go? - ANSWER-Domestic and industrial wastewater
and it's generated to a wastewater treatment plant.