Water Saving Tips Perth: Sustainable Home Water Guide
Last updated: January 2025
Perth’s unique climate and water scarcity make saving water more important for local homeowners. This guide provides practical ways to reduce your water use while keeping your home comfortable.
Table of Contents
Understanding Water Conservation in Perth
Perth faces clear water challenges due to our Mediterranean climate and sandy soils. With less rainfall and a growing population, every drop counts. Our city relies heavily on desalination and groundwater, making smart water use vital for our future.
Why Water Conservation Matters in Perth
- Perth residents use approximately 800 million litres of water daily
- Our sandy soils lead to faster drainage, affecting garden water needs
- Climate change is reducing annual rainfall, particularly during winter
- Water prices continue to rise, impacting household budgets
Smart Water-Saving Solutions for Perth Homes
Water-Efficient Appliances and Fixtures
Installing a water-efficient showerhead can save up to 14 litres per minute
Modern water-efficient appliances can significantly reduce your water consumption. Look for the Water Efficiency Labelling and Standards (WELS) scheme ratings when purchasing:
- Showerheads: Choose 3-star or higher rated models, using 6-7 litres per minute instead of traditional 15-20 litres
- Toilets: Opt for 4-star rated dual-flush systems, saving up to 35,000 litres annually
- Washing Machines: Select front-loading models with high WELS ratings
- Dishwashers: Look for models using less than 14 litres per cycle
Leak Detection and Prevention
Regular checks of under-sink plumbing can help identify costly leaks early
Hidden leaks can waste thousands of litres annually. Modern detection methods include:
- Smart water meters to monitor usage patterns
- Acoustic leak detection technology
- Regular pressure testing
- Visual inspections of fixtures and pipes
Quick Leak Check: Monitor your water meter when no water is being used. If it’s moving, you likely have a leak.
Sustainable Garden Irrigation
Perth’s climate requires smart garden water management:
- Timing: Water between 6 pm and 9 am to reduce evaporation
- Smart Systems: Install weather-based irrigation controllers
- Native Plants: Choose water-wise native species adapted to Perth conditions
- Soil Improvement: Add organic matter to improve water retention in sandy soils
- Mulching: Apply 5-10cm of mulch to reduce evaporation
Advanced Water Conservation Systems
Rainwater Harvesting
Perth’s winter rains provide opportunities for water collection:
- A 100m² roof area can collect approximately 50,000 litres annually
- Tank sizes from 2,000-5,000 litres suit most Perth homes
- Consider underground tanks to maximize space
- Connect to toilets and washing machines for optimal use
Greywater Systems
Greywater recycling can significantly reduce water consumption:
- Reuse water from showers, baths, and washing machines
- Suitable for garden irrigation with appropriate treatment
- Must comply with WA Health Department regulations
- Can save up to 50,000 litres of water annually per household
DIY vs Professional Solutions
Recent changes to WA plumbing regulations (2024) allow homeowners to perform certain basic tasks:
DIY-Approved Tasks:
- Replacing tap washers and O-rings
- Installing water-efficient showerheads
- Basic toilet cistern maintenance
- Simple irrigation system repairs
Professional Requirements:
- New plumbing installations
- Hot water system work
- Pipe repairs and replacements
- Greywater system installation
Practical Daily Water-Saving Tips
- Shower Smart:
- Keep showers under 4 minutes
- Install a water-efficient showerhead
- Collect cold water while waiting for hot water
- Kitchen Efficiency:
- Run full dishwasher loads only
- Use sink plugs when washing dishes
- Keep a water jug in the fridge instead of running taps
- Laundry Solutions:
- Wait for full loads
- Choose appropriate water levels
- Use water-efficient cycles
- Garden Wisdom:
- Follow Perth watering days and times
- Use moisture sensors
- Apply mulch regularly
Modern tap fixtures can significantly reduce water waste in your daily routine
Cost-Benefit Analysis
While water-efficient fixtures may have higher upfront costs, the long-term savings are significant:
- Water-Efficient Showerhead: $50-100 upfront, saves up to $200 annually
- Dual-Flush Toilet: $200-400 upfront, saves up to $150 annually
- Smart Irrigation System: $500-1000 upfront, saves up to $300 annually
- Rainwater Tank: $2000-5000 installed, 5-10 year payback period
Frequently Asked Questions
Install water-saving showerheads and dual-flush toilets, fix any leaks quickly, follow Perth watering schedules, and choose water-wise plants for your garden. Simple habits like 4-minute showers and full loads of laundry can also cut your water use.
Perth has set water rules including watering days based on your house number (odd/even), sprinkler use only between 6pm-9am, and no sprinklers in winter (June 1 to August 31). Check the Water Corporation website for current rules as they may change with seasons.
Check your water meter when no water is being used – if it’s moving, you likely have a leak. Look for damp spots, mould, or unusual grass growth in your yard. For expert leak detection in Perth, contact No Probs Plumbing on (08) 9315 5545.
The Water Corporation often offers rebates for water-saving appliances and fixtures. Check their website or contact them directly for current rebate offers. Some water-saving items may also qualify for council sustainability rebates.
Native plants like Kangaroo Paws, Grevilleas, and local Eucalyptus species are naturally suited to Perth’s climate. Mediterranean plants also do well with little water. Group plants with similar water needs together for better watering.
Professional Support
Having an expert guide you through water-saving home updates can make a big difference. Our No Probs Plumbing team knows Perth homes and water saving. We can check your water use, find leaks, and help you pick and install the best water-saving systems for your home. For help with any water-saving needs, call us on (08) 9315 5545.
When we work together, every small change helps save water. Start using these tips today to save water and support Perth’s water future.
