| water
source |
dangerous
or harmful |
| treatment |
a chemical
used to kill pests |
| contaminate |
bodies
of water such as lakes, rivers, reservoirs, and underground
aquifers from which we draw water for drinking |
| pesticide |
to make
unsafe for drinking |
| hazardous |
a
series of chemical and physical processes to remove dissolved
and suspended solids from raw water to produce safe water
to drink |
| wetlands |
an overflow
of water onto lands that are normally used by people. |
| greywater |
water
that is a suitable quality for drinking |
| flood |
wastewater
from washing machines, showers and sinks |
| potable
water |
swamps,
marshes, bogs, etc. |
