Name: 
 

Chapter 11



True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

High mineral levels can be lowered or removed with water purification systems.
 

 2. 

An employee working in and around an excavated trench must be trained in determining the stability of the soil.
 

 3. 

Most codes dictate that the smallest size water service is 1/2".
 

Completion
Complete each sentence or statement.
 

 4. 

The EPA defines a public water system as a system in service for a minimum of _____ days per year and providing water to a minimum of _____ connections or _____ individuals.
 

 

 5. 

Water systems serving less than the EPA criteria for public water systems are considered _______________ water systems.
 

 

 6. 

The purity of the water, regardless of the source, is typically inspected by ______________________________ and regulated in each state or county.
 

 

Matching
 
 
Match the following terms:
a.
Aquifers
f.
Backfill
b.
Filter
g.
Purification
c.
Trench
h.
Branch
d.
Brackish
i.
Water distribution system
e.
Compacting
j.
Water service
 

 7. 

Geologic formations containing water.
 

 8. 

Excavated pocket of soil to install piping, also known as a ditch.
 

 9. 

Though an entire system is distributing water, this refers to the piping inside a house.
 

Short Answer
 

 10. 

What is the primary source of surface water pollution?
 



 
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