How parasites potentially spread through failing septic systems

3

Septic

tank

Drainage

field

1

2

In a properly functioning system,

human waste flows into the septic

tank and is degraded

1

Some liquid waste then drains

into surrounding soil

2

3

But if the system is failing, wastewater

can escape. If it contains Strongyloides,

humans could be infected

3

Septic

tank

Drainage

field

1

2

In a properly functioning system, human waste

flows into the septic tank and is degraded

1

Some liquid waste then drains into surrounding soil

2

3

But if the system is failing, wastewater can escape.

If it contains Strongyloides, humans could

be infected

3

Septic

tank

Drainage

field

1

2

3

Septic

tank

Drainage

field

1

2