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Water Efficiency in the Landscape – Quiz

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Question 1 of 15
1. Question
- a. YES, because it is one of nature’s ways of balancing water in the environment.
- b. NO, because it is not something we can do anything about.
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Question 2 of 15
2. Question
- a. NO, all precipitation is rainwater, and stormwater is a separate concept related only to storm drain systems and flooding.
- b. YES, these are normal terms in dealing with precipitation and water management.
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Question 3 of 15
3. Question
- a. NO, since stormwater may require more treatment for contaminants.
- b. YES, unless the rainwater comes from unacceptable roof surfaces.
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Question 4 of 15
4. Question
- a. YES, since it can help restore nature’s equilibrium and processes.
- b. NO, this is only true if harvested rainwater is used outdoors in the landscape.
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Question 5 of 15
5. Question
- a. YES, and curved roof surfaces need to be specially measured.
- b. NO, the calculations are made from the footprint (projected) area of the roof.
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Question 6 of 15
6. Question
- a. catchment area, conveyance system, and distribution.
- b. catchment, conveyance, filtration, storage, treatment, and overflow.
- c. catchment, storage, filtration, and UV light treatment.
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Question 7 of 15
7. Question
- a. 62.3 US gal of potential catchment.
- b. 100 US gal of potential catchment.
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Question 8 of 15
8. Question
- a. YES, as well as from other sources such as lawns, downspouts, driveways or parking areas, and sidewalks.
- b. NO, only from roofs via downspouts directed to flow over the lawn.
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Question 9 of 15
9. Question
- a. INCORRECT – each municipality may have different ‘rules’, and various designs are available on the internet to choose from.
- b. CORRECT, unless the municipalities allow designs that incorporate rocks or stones or gravel.
- c. MOST OFTEN, since the intent of a raingarden is to support plant material and infiltration, and stone materials do not store water.
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Question 10 of 15
10. Question
- a. YES, it is an added bonus to the plants to have this excess water available.
- b. NO, the reservoir is intended for additional infiltration of excess water into the subsoil.
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Question 11 of 15
11. Question
- a. NO, overflow can be at the surface by adjusting the grades of the surrounding berm.
- b. YES, this is mandated by local municipalities.
- c. NO, overflow is not required since all the water will be infiltrated.
- d. YES, surface overflow is not recommended.
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Question 12 of 15
12. Question
- a. for water features, irrigation, and infiltration into the soil.
- b. for irrigation and toilet flushing.
- c. for trees and shrubs but not for seasonal plantings.
- d. only for infiltration.
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Question 13 of 15
13. Question
- a. FALSE – reducing water waste will include using water on site.
- b. TRUE – less use of municipal water in the home and landscape is meant.
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Question 14 of 15
14. Question
- a. YES, the living organisms in the soil can thrive on water scarcity for extended periods of time.
- b. NO, the organisms, insects, and plants that are part of or inhabit or root into the soil require water to exist and thrive.
- c. NO, soil requires as much water as it can get.
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Question 15 of 15
15. Question
- a. YES, since they intercept rainfall and help reduce erosion.
- b. YES, since they assist in returning water (molecules) to the atmosphere.
- c. YES, since they shade the soil and help preserve its moisture.
- d. All of the above.
- e. None of the above.
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