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Bacteria in Perth's Water: Understanding, Impacts, and Solutions

Bacteria can occasionally be present in Perth's water supply, despite treatment processes designed to eliminate these contaminants. While Water Corporation maintains rigorous quality standards, understanding bacterial risks remains important for homeowners concerned about their water quality.

This page is part of our comprehensive guide to water contaminants in Perth. For an overview of Perth's water sources and treatment process, see our guide to Perth's drinking water supply.

Understanding Bacteria in Perth's Water

Bacteria can enter Perth's water supply through several pathways. While Water Corporation treatment facilities use chlorination to eliminate most harmful microorganisms, certain factors can compromise this protection:

  • Ageing infrastructure and pipe breaks can introduce contaminants after treatment
  • Biofilm formation inside household plumbing systems
  • Rainwater tanks without proper maintenance or treatment
  • Bore water sources that may lack adequate disinfection

The most common bacteria found in water systems include coliform bacteria, which serve as indicator organisms for possible contamination, and potentially harmful varieties like E. coli, Legionella, and various strains of Pseudomonas. While Water Corporation's treatment generally keeps these organisms in check, household plumbing systems can sometimes harbour bacterial growth.

Potential Risks of Bacteria in Perth's Water

The presence of bacteria in your home's water supply poses several concerns:

Health Impacts:

  • Gastrointestinal illnesses with symptoms including nausea, vomiting, and diarrhoea
  • Respiratory infections (particularly from Legionella in shower aerosols)
  • Skin and eye infections from certain bacterial species
  • Increased risks for vulnerable populations including young children, elderly, and immunocompromised individuals

Home System Impacts:

  • Biofilm formation inside pipes and appliances
  • Unpleasant odours in water (often described as "rotten egg" smell)
  • Reduced efficiency of water heaters and other appliances
  • Potential staining and discolouration of fixtures

Recommended Filtration Solutions

Best Option: All-in-One UV Sterilisation System with Multi-Stage Filtration

This comprehensive protection system features a pump, 3-stage filtration, and crucial UV sterilisation technology. The system effectively eliminates 99.9% of bacteria and other microorganisms through its powerful UV technology. The lockable cabinet with convenient access doors makes maintenance simple, while the optional mains/rainwater changeover switch provides flexibility for different water sources.

Key features:

  • Powerful UV sterilisation eliminates 99.9% of bacteria and viruses
  • 3-stage filtration process removes sediment and improves taste
  • Integrated pump ensures consistent water pressure
  • Weatherproof cabinet for indoor or outdoor installation
  • Simple maintenance with easy cartridge replacement
All-in-one-uv-sterilisation-system-with-multi-stage-filtration

Better Option: UV Undersink System + Whole-House Filtration

This powerful combination provides both point-of-use and whole-house protection. The undersink drinking water system uses ultraviolet technology to kill 99.9% of bacteria without chemicals, connecting directly to your existing mixer tap. The whole-house filtration system adds protection that reduces sediment, chlorine, bad taste and odour throughout your home.

Key features:

  • UV technology specifically targets bacteria at drinking water points
  • Whole-house filtration improves water quality throughout the home
  • Chemical-free disinfection process
  • Direct connection to your existing tap
  • Comprehensive protection approach for drinking and household water
Uv-undersink-system-+-whole-house-filtration

Good Option: Rainwater to Mains Whole House System

This whole house system provides effective bacterial protection with an additional filtration stage for chemical reduction. This system is ideal for homes using rainwater tanks, featuring dual sediment cartridges and a carbon block filter to improve taste and odour while eliminating harmful bacteria.

Key features:

  • Automatically switches between rainwater and mains water sources
  • Dual sediment filtration for improved clarity
  • Carbon filtration to remove chemicals and improve taste
  • UV sterilisation for bacterial control
  • Ideal for homes with rainwater harvesting systems
Rainwater-to-mains-whole-house-system

Concerned about bacteria in your water? Call us at (08) 9315 5545 or book a free consultation to discuss filtration solutions!

How We Can Help

As Perth's water quality experts, we provide comprehensive solutions for bacterial contamination concerns:

  • Free water quality assessment to identify potential bacterial issues in your home's water
  • Expert installation of filtration systems tailored to your specific needs
  • Professional advice on maintaining healthy water systems throughout your home
  • Ongoing maintenance service to ensure continued protection and peak system performance

Our team of fully licensed plumbers specialises in water quality solutions, with particular expertise in addressing bacterial contamination through appropriate filtration technology and plumbing improvements.

Protecting Your Home from Bacterial Contamination

While Perth's Water Corporation provides a good baseline of protection against harmful bacteria, additional filtration at home offers important safeguards for your family's health and your plumbing systems. Properly installed UV sterilisation and multi-stage filtration systems can effectively eliminate bacterial risks and provide peace of mind regarding your water quality.

Questions about bacteria filtration? Call us at (08) 9315 5545 or book an appointment online for personalised advice.

GOT A QUESTION?

FAQs About Bacteria in Perth's Water

Signs may include cloudy appearance, unpleasant odours, slime formation in fixtures, or unexplained gastrointestinal issues. However, most bacteria aren't visible to the naked eye. We recommend professional testing if you suspect contamination.

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Hear what our customers have to say:

Had an emergency block in Kitchen sink a day before Christmas and couldn’t leave the apartment to fly for work. They were the only service I found that came in within a couple of hours and accommodated my request with quality workmanship and friendly service and it was a great relief for me. Recommend these guys. Thank you.

Ali hamedi

Ali Hamedi

Declan was absolute magic. Fixed my shower drain and gave me some useful plumbing tips for next time.

Leon saunders

Leon Saunders

“Declan came and unblocked the drains in my duplex.
He is a hero!!!”

Marja rentier

Marja Rentier

Declan saved the day again! Arrived promptly. Professional, charming and super efficient. One unblocked toilet and we are now fully operational again. I have No Probs on speed dial now 🙂

Elisabeth rajan

Elisabeth Rajan

I’ve now had No Probs Plumbing in to clear a kitchen drain, replace a hot water service, replace every ageing tap in the house and replace both toilet cisterns. Every single member of the No Probs team that I’ve met so far… perhaps 6 of the plumbing team alone… has been professional, friendly, and genuinely concerned for the outcome of the work to be perfect. I cannot recommend them more highly.

Paul antoine

Paul Antoine

Called in No Probs plumbing for a blocked drain after complicated solutions offered by another plumber. Dillon discussed the issue, offered a simpler solution and organised his crew to execute the plan. Problem solved!

Roshan rao

Roshan Rao

Just used Dillon’s company again today after a year. Excellent service by young Callum. Always found No Probls to be helpful, prompt and efficient. Fixed our blockage and were in and out in 40 minutes. Keep up the good work guys.

Suzanne long

Suzanne Long

We had issues with a blocked drain over the xmas break so was worried we might not get a quick response but we were wrong. They called us pretty much straight back and within roughly 1hr they were at our house. The young man Jack was a really nice polite and professional person. He was happy for a chat and to explain some of the equipment he used. Unfortunately the blockage was on the mains sewer so couldn’t fix it but he rang the Water Corp and asked me to follow up with him if Water Corp didn’t attend within a couple of hours… Will definitely use them again!

Kevin evans

Kevin Evans

I recently had the unfortunate experience of dealing with a blocked drain in my home. From the moment I contacted No Probs Plumbing & Gas, the team was professional, courteous, and incredibly responsive.

The scheduling process was seamless, and they were able to send one of their Plumbers Jack to my home within a few hours. When Jack arrived, he was not only punctual but also very knowledgeable. He took the time to assess the situation thoroughly and explained the potential causes of the blockage in a way that was easy to understand.

I was particularly impressed with his attention to detail and commitment to leaving my space clean and tidy after the job was completed.
Thank you Jack!!!

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Shanelle Bull

Zac from NoProbs Plumbing was amazing and really worked hard to get the job done which was pretty horrible trying to clear an old grease trap blockage. Efficient, tidy and great communication throughout. Recommend Zac and the company to anyone. Price was reasonable for the work done. Happy customer.

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Jaci Hills-Wright

Super responsive, cleared blockage/s & smell from drains within 1st hour of service. Informative & explained preventive measures we could take. Very happy with service.

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Tamara Harman

No probs plumbing & electrical’ were great! Same day service was a lifesaver!! The guys were very friendly & professional and were quick to identify and resolve our drain blockage problem. Thumbs-up…I can definitely recommend using ‘No probs plumbing & electrical

Mia hillyer

Mia Hillyer

Had a blocked sewerage drain. No Probs came out the same day I spoke with them and not only cleared the blockage but sent a camera down to determine what the actual cause was. Turned out to be some small roots entering the pipework. Thanks for the prompt response and future recommendations guys!

James rodoreda (rodsy)

James Rodoreda (Rodsy)

I would like to thank Declan and Jacob for taking the time and effort to get to the root of the problem with my blocked drains and for being willing to assist me at such short notice on a Friday afternoon.

I really appreciate your kindness and professionalism.

Kind regards
Enid Garrod

Enid garrod

Enid Garrod

We had a blocked drain and from the first call till when the job was finished was easy,no fuss,on time and professional. Great communication and made no mess. Highly recommend to all.

Walter ramage

Walter Ramage

We had Jacob come out to fix an issue with our blocked shower. His knowledge and expertise quickly removed the issue causing the blockage and rendered our shower operational once again. Thanks again Jacob and No Probs.

Tanya boyanich

Tanya Boyanich

I used No Probs when my kids had kindly created a blockage in our toilet. Zac was so friendly and confidently sorted out the problem with as little fuss as possible. I felt like our toilet was in good hands. He also kindly answered my other questions for keeping it in good shape as we walked out the door.

Amy springer

Amy Springer

Had No Probs Plumbing out to replace my toilet, Connor was such a good bloke and did an awesome job too. Would highly recommend to anyone who needs plumbing work done!

Reuben simcock

Reuben Simcock

The person that did the scheduling was very efficient and explained all the costs up front.
The plumbers turned up on time and even sent a text when they were 20 minutes away.
The work was done well and each step was explained to me. The guys were polite and cleaned up after themselves.

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Grant Stephens

Cam was on time, very knowledgeable, explained everything and gave me multiple options. When finished he made sure everything was cleaned up as well! It is good to see customer service does still exist. I would not hesitate to recommend them and will use them for any future work that needs to be done. Thanks Cam for a job well done. 😀

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Tamarra Kemsley

I recently required the services of No Probs Plumbing for my house of plumbing horrors, Declan was excellent to deal with and managed to locate the issue and repair it quickly considering the work that was required. Also setting up a tap to help isolate the outside from the inside in an effort to find leak number two.
Not the first time I have used the company and deffo wont be the last – excellent service, efficient and great customer service from every single person I dealt with.

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Jonti

Declan came today and fixed a shower head and 2 taps. He was friendly, professional and worked quickly. Did a great job.

I first had Dylan do work for me in the earlier days if his business. Great team of guys he had and good to see his business growing. Definitely refer no probs to anybody.

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CK Taranaki

The guys arrived early and got right to it. they sorted what was causing the problem and anything else and informed us as to what needed doing and all costs. They let us know the options and we agreed on it. Both got stuck straight in and before we knew it, the job was done and everything cleaned up. no mess left behind. very happy with the workmanship, time doing the job and both very friendly and professional. Hoping to never need them again but if we do, we will get them again no questions asked. JOB WELL DONE!. NO PROBS

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Bige Jones

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Quick response when contacted online. This was my second time using them and I am very satisfied with their work. I had issues with my sewage drainage. Conor was punctual and professional. He explained the issue with my sewage pipes, quoted the total costs upfront. My experiences have been positive with No Probs Plumbing and will definitely using them for future jobs if required.

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Holly Miles

Declan did a very good job installing my new hot water system and fixing up the leak issues. Very professional and giving me some good advice. Thank you, Declan.

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Assessor on site 2 hours after reporting problem with toilet suite.
New suite installed less than 24 hours later with minimal disruption to floor tiles.

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Clive Nealon

Hi, I recently had one of your electricians come out to install a new set of filters for my under the sink reverse osmosis water unit as well as repair a bad leak coming from my solar hot water system up on the roof.
The young man was very friendly and completed the work quicker than I has expected. I wish that I could remember his name as he was first rate. I have now used your company on several occasions and every time the men who have attended to do the work have all been of a high caliber and have done quality work and I couldn’t recommend your company highly enough.
Kind regards
Richard Byron

Richard byron

Richard Byron

I’ve used this company many times and they have always performed their duties to the highest standards. They’re polite, efficient , reliable and charge accordingly which is cheaper than many others. Will definitely continue to use them and highly recommend their services too.

Wilfred victor

Wilfred Victor

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