Boracay Water excels in DOH microbiological performance test

Boracay Water excels in DOH microbiological performance test

By: - Reporter / @JEPOI04
/ 07:39 PM March 18, 2026
Boracay Water, an operating unit of Manila Water Non-East Zone subsidiary Manila Water Philippine Ventures and a concessionaire of the Tourism Infrastructure and Enterprise Zone Authority (TIEZA), has achieved an Excellent performance rating in the Department of Health’s (DOH) CY 2025 Proficiency Testing Scheme for Water Microbiological Testing Laboratories.
Boracay Water, an operating unit of Manila Water Non-East Zone subsidiary Manila Water Philippine Ventures and a concessionaire of the Tourism Infrastructure and Enterprise Zone Authority (TIEZA), has achieved an Excellent performance rating in the Department of Health’s (DOH) CY 2025 Proficiency Testing Scheme for Water Microbiological Testing Laboratories.

MANILA, Philippines — Boracay Water, an operating unit of Manila Water Philippine Ventures and a concessionaire of the Tourism Infrastructure and Enterprise Zone Authority, has received an Excellent performance rating in the Department of Health’s CY 2025 Proficiency Testing Scheme for Water Microbiological Testing Laboratories.

The recognition affirms the accuracy, reliability, and technical competence of Boracay Water’s laboratory in conducting drinking water quality analyses.

The Department of Health-National Reference Laboratory conducts the annual proficiency testing to ensure that accredited drinking water laboratories nationwide consistently meet microbiological testing standards. Boracay Water passed all evaluated parameters, demonstrating that its results were fully comparable with those of the national reference facility.

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During the proficiency testing, the laboratory earned an Excellent rating in key microbiological parameters, including total coliform and fecal coliform determined through multiple tube fermentation and enzyme substrate coliform test methods, as well as heterotrophic plate count using the pour plate method.

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Boracay Water, an operating unit of Manila Water Non-East Zone subsidiary Manila Water Philippine Ventures and a concessionaire of the Tourism Infrastructure and Enterprise Zone Authority (TIEZA), has achieved an Excellent performance rating in the Department of Health’s (DOH) CY 2025 Proficiency Testing Scheme for Water Microbiological Testing Laboratories.

In February, Boracay Water also underwent a surprise annual inspection by the Department of Health Region VI’s Regulation, Licensing, and Enforcement Division.

The facility posted zero findings and retained its Class C accreditation for its drinking water testing laboratories.

The inspection also covered physicochemical parameters such as pH, total dissolved solids, turbidity, residual chlorine, and nitrate, all of which require strict analytical procedures to ensure compliance with the Philippine National Standards for Drinking Water.

Boracay Water said its continued strong performance in both proficiency testing and regulatory inspections reflects its commitment to public health through rigorous water quality monitoring.

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The company said its laboratory plays a key role in ensuring that water supplied to residents, businesses, and visitors on Boracay Island meets national safety requirements.

“This Excellent rating from the Department of Health is a testament to the unwavering dedication of Boracay Water,” said Joanna Intas, general manager of Boracay Water.

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“Ensuring the safety and quality of the island’s water supply is at the heart of what we do every day, and this recognition reinforces our commitment to upholding the highest standards in water quality monitoring,” she added.

“We will continue to strengthen our systems, invest in our people and our facilities, and work closely with regulators to protect the health and wellbeing of both residents and visitors of Boracay,” Intas said.

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