Aerobic Bacteria |
Bacteria that use free
oxygen to decompose organic matter |
Anaerobic Bacteria |
Bacteria that use no oxygen
to decompose matter as it is toxic to them |
biological oxygen demand (BOD) |
A measure of the amount of
oxygen consumed during biological and chemical processes that break
down organic matter in water |
Natural Purification |
The process of a water source to assimilate waste material and restore
its own quality |
Nonpathogenic |
Not causing disease |
Potable |
Fit for human consumption |
Respiration |
Use of oxygen by plants and animals |
Turbidity |
Level of sediment |