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