WASTE WATER GRADE 1 EXAM 2025 WITH
ACTUAL CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |FREQUENTLY TESTED
QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+|BRAND NEW!!|GUARANTEED
PASS|LATEST UPDATE
How much hydrogen sulfide is contained in anaerobic digesters gas ?
less than 1%
How much lb TSS does a person generate on average ?
.20 lb TSS/d
Double Dashes should not be used when expressing an equivalent ?
True (0.17 lb BOM/d)
What is the method name that you learned to do wastewater problems ?
"Rail road track"or "solution bridge "
Same thing !
What does NPDES stand for ?
National Pollutant Discharge Elimination System
How much does an ac (acre) equal to ft^2 ?
43,560 ft^2
8.34 lb = ?
gal
L (Liter) = ?
M•mg (Million milligrams)
1|Page
, 10^6 gal = ?
Mgal (Million Gallons)
43, 560 ft^2 =?
ac (acre)
3.069 ac•ft = ?
Mgal
Where does domestic water come from ?
Water that comes from homes, schools, hospitals, businesses, restaurants, and offices.
How much waste water does one person on average generate ?
100 gallons of waste water per day.
On average how much does one person contribute lb BOD/d?
0.17 lb BOD/d
Where does industrial water come from?
From industries such as dairy farms, meat packing, food processing etc.
What is a compatible industry ?
Dairy farms, meat packing, food processing etc.
What is incompatible industrial industry?
Industries that waste heavy metals, copper, lead, zinc, chromium, nickel, cadmium, cyanide, pesticides,
herbicides, and other toxic compounds.
What is 40 CFR part 403?
Makes it illegal for any industry to discharge incompatible waste to publicly owned wastewater
treatment plant.
Sanitary water is what ?
Sanitary water is combined of domestic and industrial waste water from the community.
Storm water come from where ?
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 ?
SF and Sacramento
Sanitary sewers have what type of waste water ? Where does this waste water go?
2|Page
ACTUAL CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |FREQUENTLY TESTED
QUESTIONS AND SOLUTIONS |ALREADY
GRADED A+|BRAND NEW!!|GUARANTEED
PASS|LATEST UPDATE
How much hydrogen sulfide is contained in anaerobic digesters gas ?
less than 1%
How much lb TSS does a person generate on average ?
.20 lb TSS/d
Double Dashes should not be used when expressing an equivalent ?
True (0.17 lb BOM/d)
What is the method name that you learned to do wastewater problems ?
"Rail road track"or "solution bridge "
Same thing !
What does NPDES stand for ?
National Pollutant Discharge Elimination System
How much does an ac (acre) equal to ft^2 ?
43,560 ft^2
8.34 lb = ?
gal
L (Liter) = ?
M•mg (Million milligrams)
1|Page
, 10^6 gal = ?
Mgal (Million Gallons)
43, 560 ft^2 =?
ac (acre)
3.069 ac•ft = ?
Mgal
Where does domestic water come from ?
Water that comes from homes, schools, hospitals, businesses, restaurants, and offices.
How much waste water does one person on average generate ?
100 gallons of waste water per day.
On average how much does one person contribute lb BOD/d?
0.17 lb BOD/d
Where does industrial water come from?
From industries such as dairy farms, meat packing, food processing etc.
What is a compatible industry ?
Dairy farms, meat packing, food processing etc.
What is incompatible industrial industry?
Industries that waste heavy metals, copper, lead, zinc, chromium, nickel, cadmium, cyanide, pesticides,
herbicides, and other toxic compounds.
What is 40 CFR part 403?
Makes it illegal for any industry to discharge incompatible waste to publicly owned wastewater
treatment plant.
Sanitary water is what ?
Sanitary water is combined of domestic and industrial waste water from the community.
Storm water come from where ?
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 ?
SF and Sacramento
Sanitary sewers have what type of waste water ? Where does this waste water go?
2|Page
