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Water quality - Coggle Diagram
Water quality
NEEDED INFORMATION & SOURCES
Local water distribution companies
Who?
LIRA
HERA
Operational area subdivision
Availability of tap water in chosen area
Ability to access a sink/running water in the area
What?
Information on purification system/ facilities
Machinery
Stages
Functioning
Relevance of different substances
Priorities
When is it "enough"?
Ethics
Medium
Direct contact
Email/call & ask to visit facilities
Interview experts
Collect samples
Causes/factors of water hardness
Where?
Research papers/ articles
Water-related organisations
Construction
Water distributors
Academic sources
Consequences of elevated water hardness
Substances found in running water locally
APPROACH
Contact water purification center(s) to obtain water samples
Which stage?
Before purification (control)
After (effect of water depuration)
Difference
Running tap water (?)
Effect of piping system quality
Natural body of water (?)
Comparison
How many?
Enough for a relevant & valuable comparison
9 samples
3 areas x 3 stages
Reasonable amount to contact & visit
Factor time for communication
Some may be unavailable
Reasonable amount for experimenting
Factor repeated testing for reliability
Number of samples x5 trials
Measure water hardness (calcium levels) in samples of running water
Use complexometric titration to determine the hardness of water
MAIN IDEA
Investigate water quality in running tap water on a local level
WATER QUALITY
Extent/efficiency of water depuration in purification centers
Role & reliability of purification centers
Why?
Importance of water quality (water hardness) in everyday life
Health
Appliances' longevity
Mineral levels in water
Sodium
Calcium
Water hardness
LOCAL
Where?
Different areas of the city
Which areas?
Find out how water grid is divided in the city
Contact water distributors and ask personally
Number of depurators
Account for possible insufficient amount of available samples
1 more item...
Water sources
1 more item...
Easy access
Why?
Personal interest
Easier access to resources/facilities