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