The Health Drinking Water Amendment Act 2007

The Health (Drinking Water ) Amendment Act 2007

Water Supply Size

69 ZZZ Protecting water supplies from risk of backflow

69 ZZZ Protecting water supplies from risk of backflow

69 ZZZ Protecting water supplies from risk of backflow

69 ZZZ Protecting water supplies from risk backflow

Backflow Legislation

Backflow Plan

1. Backflow Policy

2. Containment Protection

3. Asset Register

4. Alignment with Building Consents

5. Risk Assessment

PHRMP Guide Distribution System - Backflow Prevention ref D 2. 4

How to Prepare and Develop a PHRMP for Drinking Water Suppliers

How to Prepare and Develop a PHRMP for Drinking Water Suppliers

PHRMP Guide Distribution System– Backflow Prevention ref D 2. 4

PHRMP Guide Distribution System– Backflow Prevention ref D 2. 4

PHRMP Guide Distribution System– Backflow Prevention ref D 2. 4

6. Survey and Upgrades

6. Survey and Upgrades

Practical Considerations

Grading and the Act

Mo. H recommended Grades

Public Health Grading of Community Drinking-Water Supplies 2003

Q 15: Backflow prevention

Q 15: Backflow Prevention Grading Evidence

Drinking Water Assessors

Air Gap

Stock Troughs

Marina Survey

Enforcement

Hydrants

Education

Double Check Device

Reduced Pressure Zone Device

Fire lines

Standard Connections

Standard Installations Double Check <50 mm

Standard Installations 100 mm+

ABT / IQP / LBP