Is your water safe to drink?
You can drink water straight from the tap.
SUBICWATER’s stringent water treatment process ensures that our water complies with the Philippine National Standards of Drinking Water (PNSDW) and that of the World Health Organization (WHO).
Water Treatment Process
Chemicals are added to the raw water to remove impurities, bad taste, and odor. Chlorine kills bacteria and other micro-organism, coagulants bind to impurities, polymers aid coagulation, and lime controls acidity.
Coagulation and Flocculation
Water now goes to the flocculation chamber. The added chemicals coagulate or bind to the impurities such as dirt, forming particles called ‘flocs’. These flocs grow larger and heavier and eventually settle at the bottom of the tank.
Clear water is taken from the upper portion of the flocculation chamber and is sent to the clarifier, where water stays for a relatively longer time. This allows the finer particles not captured by the flocs to settle at the bottom of the clarifier.
Water from the upper part of the clarifiers is made to pass through the filters to remove the finest impurities.
The right dosage of chlorine is added to keep the water free from bacteria. The fully-treated water can now be distributed to households and business establishments.
Water Quality Monitoring
Water samples from all over Olongapo City and Subic Bay Freeport are being collected and brought daily to our DOH-accredited laboratory for physical, chemical, and bacteriological testing.
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