Water Management in Urban Areas
Rainwater that flows over
streets, driveways, and lawns
Answer: Runoff
The place where rainwater ends up after
flowing over streets, driveways, and lawns,
picking up pollutants along the way
Answer: Local rivers and streams
Answer: Pollutants that can be
washed into our waterways
Dog poop, litter, chemicals,
fertilizers, and motor oil
Answer: pH
The metric that measures how
acidic or basic water
Answer: Phosphates
A nutrient often found in soap that can
negatively impact waterways by encouraging
algae and weed growth
Answer: Aquatic macroinvertebrates
Water bugs that are visible to the naked eye
and don’t have a spine
Answer: Fish, frogs, birds,
other macroinvertebrates
Animals that eat aquatic macroinvertebrates
Answer: Larval stage
The stage all macroinvertebrates start in,
where development occurs after they hatch
and before they become adults
Answer: Dragonflies, mayflies, damselflies
Macroinvertebrates that go through
metamorphosis
Answer: Mayfly
A macroinvertebrate with three tails and gills
on the sides of its abdomen
Answer: The MWMC’s Regional
Wastewater Treatment Plant
Where dirty water goes to be cleaned after
you flush the toilet or take a shower
Answer: The Willamette River
Where the MWMC sends wastewater after
it has been cleaned
Answer: The MWMC Laboratory
The place where 22,000 tests are conducted
each year to make sure wastewater meets
water quality standards
Answer: Pretreatment
The first step in the wastewater treatment
process where items like trash and
disposable wipes are physically removed
Answer: 106 Olympic-size pools
The number of Olympic-size pools the 35
million gallons of water the MWMC
treats each day could fill
Answer: Microorganisms
Organisms so small they can only be seen
with a microscope
Answer: Biological Treatment
The phase of the wastewater treatment
process where microorganisms eat
pollutants out of the water
Answer: Aeration basins
The place at the Wastewater Treatment Plant
in which microorganisms are mixed
with incoming wastewater
Answer: Oxidation
The process of adding oxygen to water to
break down pollutants
Answer: Metazoa
A type of microorganism that eats bacteria,
algae, and protozoa, indicating a
longer aged system
Answer: Pollution Prevention
The act of reducing the amount of pollutants
that enter the wastewater system
Answer: “Flushable” wipes, baby wipes,
paper towels
Common solid pollutants that must be
physically removed from wastewater at the
treatment plant, since they don’t break down
in water like toilet paper does
Answer: Fats, oils, and grease
Materials that harden in wastewater pipes
when poured down the drain and
can cause clogs
Answer: Pee, poop, and toilet paper
The only three items that should be flushed
down the toilet
Answer: Source reduction
The elimination of waste before it is created
Answer: Sustainability
The act of taking good care of the resources
we have and reducing waste
Answer: Biosolids
The material the MWMC produces from
human waste that’s used as a safe fertilizer
on the Biocycle Farm and local grass farms
Answer: Poplar Trees
The type of trees the MWMC grows
on its Biocycle Farm
Answer: Recycled Water
Treated wastewater that is used to irrigate
the poplar tree farm
Answer: Renewable Natural Gas
The type of gas the MWMC is working to
produce by converting energy generated in
the wastewater treatment process into
something that can be used as a
clean fuel for cars
Answer: Chinook Salmon
The largest species of Pacific salmon that is a
vital food source for a variety of wildlife (and
a fish we work to protect through water
quality efforts)
Explore the journey of rainwater as it traverses streets, picking up pollutants, leading to its ultimate destination. Learn about the impact of pollutants like dog poop, fertilizers, and chemicals on water bodies. Discover the importance of water quality metrics, nutrients in soaps affecting waterways, and the role of aquatic macroinvertebrates in maintaining ecosystem balance. Gain insights into wastewater treatment processes, testing procedures, and quality standards ensuring clean water for communities.
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Presentation Transcript
The place where rainwater ends up after flowing over streets, driveways, and lawns, picking up pollutants along the way
Dog poop, litter, chemicals, fertilizers, and motor oil
The metric that measures how acidic or basic water
A nutrient often found in soap that can negatively impact waterways by encouraging algae and weed growth
Water bugs that are visible to the naked eye and don t have a spine
The stage all macroinvertebrates start in, where development occurs after they hatch and before they become adults
Macroinvertebrates that go through metamorphosis
A macroinvertebrate with three tails and gills on the sides of its abdomen
Where dirty water goes to be cleaned after you flush the toilet or take a shower
Where the MWMC sends wastewater after it has been cleaned
The place where 22,000 tests are conducted each year to make sure wastewater meets water quality standards
The first step in the wastewater treatment process where items like trash and disposable wipes are physically removed
The number of Olympic-size pools the 35 million gallons of water the MWMC treats each day could fill
Organisms so small they can only be seen with a microscope
The phase of the wastewater treatment process where microorganisms eat pollutants out of the water
The place at the Wastewater Treatment Plant in which microorganisms are mixed with incoming wastewater
The process of adding oxygen to water to break down pollutants
A type of microorganism that eats bacteria, algae, and protozoa, indicating a longer aged system
The act of reducing the amount of pollutants that enter the wastewater system
Common solid pollutants that must be physically removed from wastewater at the treatment plant, since they don t break down in water like toilet paper does
Materials that harden in wastewater pipes when poured down the drain and can cause clogs
The only three items that should be flushed down the toilet
The act of taking good care of the resources we have and reducing waste
The material the MWMC produces from human waste that s used as a safe fertilizer on the Biocycle Farm and local grass farms
The type of trees the MWMC grows on its Biocycle Farm
Treated wastewater that is used to irrigate the poplar tree farm
The type of gas the MWMC is working to produce by converting energy generated in the wastewater treatment process into something that can be used as a clean fuel for cars
