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WASTE WATER GRADE 2 NEWEST 2026-2027
ACTUAL EXAM COMPLETE 80 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
The filter media used at the Eau Claire treatment facility is
_____
1. Cartridge
2. Reverse osmosis
3. Sand
4. Diatomaceous earth - ANSWER-sand
List the five chemicals added at the Eau Claire treatment
facility and describe each chemical's purpose - ANSWER-
1. permanganate - is used to oxide the manganese
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particle to create a floc. The floc allows for the manganese
to become bigger and thus be removed from the water.
2. fluoride is added to water as it leaves the plant to
improve dental health.
3. chlorine is used as a disinfectant.
4. ammonia is used after chlorine to form chloramine
which is more stable and the disinfection reaches further
in the distribution system.
5. lime is added as the water comes into the plant to raise
the pH of the water. Makes the less corrosive and
deposited materials on pipes to seal of lead or copper so it
does not leach off into water.
What event prompted the Clean Water Act?
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1. Hazardous waste exposure in Love Canal, NY
2. Cuyahoga River caught on fire
3. Times Beach, Missouri environmental contamination
with dioxin
4. Enacting the Safe Drinking Water Act - ANSWER-
Cuyahoga River caught on fire
Why does Cascades Tissue need to add nutrients in the
wastewater treatment process? - ANSWER-Cascade
Tissue needs to add nutrients to their wastewater
treatment process to help digestive microbes grow during
paper pulp treatment because paper does not contain
nutrients as wastewater does.
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NPDES permits are based on:
1. The quality of the receiving water
2. The Safe Drinking Water Act
3. Primary clarification
4. The Revised Total Coliform Rule - ANSWER-The
quality of the receiving water
Why is the wastewater treatment plant located at a low
elevation point in Eau Claire? - ANSWER-It is located at a
low elevation point in Eau Claire because all the
wastewater can flow downhill via gravity to the wastewater
treatment plant. When wastewater is below the
wastewater treatment plant, it is pumped to a higher
elevation to keep the downhill flow.
WASTE WATER GRADE 2 NEWEST 2026-2027
ACTUAL EXAM COMPLETE 80 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW!!
The filter media used at the Eau Claire treatment facility is
_____
1. Cartridge
2. Reverse osmosis
3. Sand
4. Diatomaceous earth - ANSWER-sand
List the five chemicals added at the Eau Claire treatment
facility and describe each chemical's purpose - ANSWER-
1. permanganate - is used to oxide the manganese
,2|Page
particle to create a floc. The floc allows for the manganese
to become bigger and thus be removed from the water.
2. fluoride is added to water as it leaves the plant to
improve dental health.
3. chlorine is used as a disinfectant.
4. ammonia is used after chlorine to form chloramine
which is more stable and the disinfection reaches further
in the distribution system.
5. lime is added as the water comes into the plant to raise
the pH of the water. Makes the less corrosive and
deposited materials on pipes to seal of lead or copper so it
does not leach off into water.
What event prompted the Clean Water Act?
,3|Page
1. Hazardous waste exposure in Love Canal, NY
2. Cuyahoga River caught on fire
3. Times Beach, Missouri environmental contamination
with dioxin
4. Enacting the Safe Drinking Water Act - ANSWER-
Cuyahoga River caught on fire
Why does Cascades Tissue need to add nutrients in the
wastewater treatment process? - ANSWER-Cascade
Tissue needs to add nutrients to their wastewater
treatment process to help digestive microbes grow during
paper pulp treatment because paper does not contain
nutrients as wastewater does.
, 4|Page
NPDES permits are based on:
1. The quality of the receiving water
2. The Safe Drinking Water Act
3. Primary clarification
4. The Revised Total Coliform Rule - ANSWER-The
quality of the receiving water
Why is the wastewater treatment plant located at a low
elevation point in Eau Claire? - ANSWER-It is located at a
low elevation point in Eau Claire because all the
wastewater can flow downhill via gravity to the wastewater
treatment plant. When wastewater is below the
wastewater treatment plant, it is pumped to a higher
elevation to keep the downhill flow.
