Regulatory Framework for Piped Drinking Water Suppliers in Sinapore

For approval
Asia Pacific WSP Network
Participants Symposium
4-5 June 2014
Singapore
Regulatory framework for piped drinking
water safety plans in Singapore
Dr. Pranav S. Joshi
Senior Assistant Director
Drinking Water Unit, Environmental Health Department
E-mail: [email protected]
4 June 2014
Slide 1
Outline
WSP
Regulations Summary of
template,
WSP process
Introduction
&
example &
flow
guidelines
auditing
Slide 2
Introduction
Ministry of the
Environment and
Water Resources
Public Utilities
Board
(PUB)
National
Environment
Agency (NEA)
National water
agency
Environmental
protection and public
health agency
Slide 3
Introduction
Mineral Water / Bottled Drinking Water
• Regulated by the Agri-food & Veterinary Authority of Singapore
(AVA)
• Website: www.ava.gov.sg
Slide 4
Introduction
Monitoring of water & food borne diseases
• Carried out by Ministry of Health
• Website: www.moh.gov.sg
Slide 5
Piped Drinking Water
Regulations
and guidelines
Slide 6
Environmental Public Health
(Quality of Piped Drinking Water) Regulations
Available for download from NEA’s website:
www.nea.gov.sg
Slide 7
Environmental Public Health
(Quality of Piped Drinking Water) Regulations
• Under these Regulations, piped drinking water suppliers are
required to:
• Prepare water safety and sampling plans
• In accordance with the Code of Practice on Piped Drinking
Water Sampling and Safety Plans
• Seek approval from the Director-General of Public Health, and
implement the plans
• Review the water safety plan at least once a year, and seek
approval if the plan is to be amended
Penalty in case of a non-compliance: S$10K
Slide 8
Environmental Public Health
(Quality of Piped Drinking Water) Regulations
Water quality standards
• Piped drinking water suppliers are also
required to:
• Comply with water quality
standards
• Carry out testing of water in
accordance with approved water
sampling plan
• Submit test results to NEA
• In case of failure to comply with
standards – notify NEA, and take
remedial actions
•
•
Based on WHO Guidelines
Reviewed by a Technical
Committee
• Comprising local and
overseas experts
• Expertise - water treatment,
human health, toxicology,
microbiology, etc.
Software
• Implement record keeping
practices
Slide 9
Code of Practice on
Piped Drinking Water Sampling and Safety Plans (“COP”)
• Serves as a guidance document
• Mentions that:
• WSP will vary in complexity, as
appropriate for the situation
• WSP elements shall be based on
multiple-barrier principle
Slide 10
Code of Practice on
Piped Drinking Water Sampling and Safety Plans (“COP”)
• Methodology and key steps: Based on WHO Guidelines
• WSP team
• System assessment
• System description, hazard assessment, risk
characterization
• Sanitary inspection
• Control measures and operational monitoring
• Management plans
Slide 11
Piped Drinking Water
Summary of
WSP process flow
Slide 12
Summary
* DWU: Drinking Water Unit at
EHD/NEA
Slide 13
Piped Drinking Water
WSP template, example
and auditing
Slide 14
WSP template
• A common template is developed to document WSPs prepared by
various suppliers
Information to be documented:
• Organization & contact details of
authorized staff
• Water safety team
• Amendment sheet
• Raw water/source
• Water treatment plant/waterworks
• Distribution network
• Installation at the point of sale or use,
if maintained by the supplier
• Others (sanitary inspection, etc.)
Slide 15
WSP template
• A guidance note is also prepared on how to fill-in details within
template.
Slide 16
Example of WSP
Slide 17
Example of a WSP
Slide 18
System of audits and site inspections
Slide 19
Piped Drinking Water
Conclusion
Slide 20
Conclusion
• The WSP framework for piped drinking water in
Singapore has been effective so far • in strengthening the risk
management practices, and
assessment
and
• in ensuring safety of piped drinking water supply.
Slide 21
Safeguard • Nurture • Cherish
Slide 22

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