Cover Page

The Hydrologic Cycle

Meteroric Water

Ground Water

Surface Water

Hardness

Ion Exchange Softeners

Iron

Iron Removal

Manganese

Manganese Removal

Hydrogen Sulfide

Hydrogen Sulfide Removal

Chlorides and Sulfates

Sodium

Fluorides

Turbidity

Removal of Turbidity

What is meant by pH?

Alkalinity

Removal of Alkalinity

Acidic Water

Removal of Acidity

Objectionable Tastes and Odors

Nitrates

Bacterial Contamination

Forms of Lower Plant Life in Water

Forms of Lower Animal Life in Water

Decontamination by Chlorination

Decontamination by Reverse Osmosis