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Mitigating Flood Damage: How to Implement Water Surge Protection in Water Pipes

Mitigating Flood Damage: How to Implement Water Surge Protection in Water Pipes

What is a water surge or water hammer?

At Whywait Plumbing, we understand that a water surge or water hammer can be frustrating and potentially damaging for homeowners. That’s why we’re here to explain the problem in simple terms and offer solutions for preventing and resolving it.

Water hammer or water surge is a common issue in any system that utilises pipework, valves, pumps, and other equipment to control water flow or other liquids throughout a building.

One of the most common causes of a water surge or water hammer is the rapid closing of a valve. When a valve is closed quickly, water hits a dead end, sharp bend, or any other situation that creates a high-pressure shockwave to travel through the pipework, causing a loud banging noise and increased pressure. This can damage pipes, fittings, and appliances and cause leaks.

Another common cause of water surge is a problem with your pressure pump system. If your pump is malfunctioning, it can create a surge of pressure that can cause the same issues as a rapidly closed valve.

 The effects of water hammer can range from a loud knocking or banging noise in the pipes to more severe issues such as broken pipework. However, the risks posed by water surge are particularly significant in high-rise buildings.

High-rise buildings are susceptible to water surge

Most high-rise buildings have at least one riser that runs from the basement to the top floor and connects to smaller distribution pipework on each floor. Suppose a pump stops operating, for example, due to a power cut or a fault in the system. In that case, the water pressure in the building gradually declines as outlets are opened, and the remaining water in the system is drained under gravity.

This can create a vacuum in the pipework, depending on whether there are non-return valves or pressure-reducing valves installed in other parts of the water pipe reticulation system. When the power is restored, and the pump begins to operate again, it restores system pressure to pre-set levels. However, if the unit is not designed, installed and maintained correctly and does not have a comprehensive “soft fill mode”, the water hammer or water surge will be almost unavoidable.

In the worst-case scenario, pressurised water is pushed into a vacuum, causing the water to accelerate beyond expected design velocities. This can be due to multiple pumps running or pumps that are designed as “standby”. This results in a hydraulic shock to the pipework that can be beyond the operating pressure of the system, potentially causing weak pipework or connections to burst, resulting in flooding and expensive water damage within the building.

Not only is this expensive to repair, it means downtime to the building’s water supply. It is also a severe health and safety risk to those occupying the building during the burst.

water surge is a danger to high rise buildings on Gold Coast

Recommended precautions

To avoid these issues, it’s essential to take the necessary precautions. One solution is to ensure that you have a booster set with a surge protection feature, so when the pumps are powered back up, they are limited to one pump and gradually increase their pressure to avoid ramping up too quickly. In addition, an AWSPV valve or an Air and Water Protection Valve can be installed at the top of each riser. This device not only avoids vacuum being created, but it also forces air through the “anti-surge” orifice when the system is filling, allowing for the deceleration of the incoming water supply, thanks to the resistance created by rising air pressure in the AWSPV valve.

This softens the potential pressure spike when the AWSPV valve finally closes. The AWSPV valve design ensures effective de-aeration under all pipeline flow and operating conditions via one of three discharge orifices. Once the system is full and free of air, the valve seals and must be piped to a drain or safe area to ensure any leaks are discharged to a visible position. This ensures that everything is visible without causing further water damage.

In conclusion, a water hammer or water surge is a common issue in any system that utilises pipework, valves, pumps, and other equipment to control water flow throughout a building. High-rise buildings are particularly at risk due to the potential for a vacuum to be created when the water pressure is restored, which can cause a surge in water pressure and potentially cause damage to the pipework or connections. By taking the necessary precautions, such as ensuring a booster set with a surge protection feature and installing an Air and Water Protection Valve, you can avoid these issues and ensure the safety and reliability of your building’s water supply.

Proactive prevention you should implement

To prevent water surge, it is crucial to have your plumbing system regularly inspected and maintained by a professional plumber. This can help identify any potential issues before they become a problem.

Even in your traditional home, installing a water hammer arrestor, a device that absorbs the shock wave created by a rapidly closed valve, can help prevent water surge or water hammer from occurring.

If you have doubts about whether you are experiencing a water hammer or a water surge in your home or your high-rise building, don’t hesitate to contact the experts at Whywait Plumbing. Our team of experienced plumbers can diagnose the problem, offer solutions, and get your plumbing system back to working correctly. Whether a simple adjustment or a complex repair, we have the skills and expertise to get the job done right.

At Whywait Plumbing, we are experts in protecting you from water surge or water hammer. We can help you understand the causes of your problems and recommend the best solutions for your home or high-rise building. Contact us today to schedule an appointment.

As your water pipes age erosion and corrosion can create significant expenses

As your water pipes age erosion and corrosion can create significant expenses

What are erosion and corrosion in your water pipes?

At Whywait Plumbing, we understand the importance of protecting your plumbing and infrastructure from damage caused by erosion and corrosion. These processes can cause significant damage to pipes, fittings, and other components, leading to costly repairs and even complete system failures. In this blog post, we will discuss the causes of erosion and corrosion and the steps you can take to prevent or mitigate these issues.

Erosion is the gradual wearing away of materials caused by the movement of water, air, or other natural elements. This can happen in various ways, including water flowing through pipes, air passing over metal surfaces, or even soil movement around underground pipes. Erosion can cause damage to the surface of pipes, fittings, and other components, making them more susceptible to leaks and other problems.

Conversely, corrosion is the gradual destruction of materials caused by chemical reactions to the environment. For example, this can happen when pipes and fittings are exposed to water containing dissolved oxygen, acids, or other harmful chemicals. As a result, corrosion can cause damage to the surface of pipes, fittings, and other components, making them more susceptible to leaks and other problems.

Temperature and high water pressure velocity are the leading causes of erosion and corrosion in your water pipes.

High velocity or high pressure over a long period can cause the internal pipe surface to corrode, eventually leading to pinholes in the pipes.

Your hot water pipes are even more susceptible to erosion and corrosion as they age. In commercial buildings or older homes without tempering valves, the circulating hot water temperature is usually over 60° C which, combined with high pressure, creates a high risk for erosion and corrosion.

Repercussions of eroding water pipes and the consequences

Erosion and corrosion in your hot and cold water reticulation pipes can have multiple consequences, resulting in costly plumbing rectification work. The most common issues will be:

  • High water bills with significant amounts of wasted water leaking through underground pipes.
  • Corroding pipes leads to reduced flow rates, especially if you have copper pipe or galvanised piping.
  • Failure of critical infrastructure, especially in commercial buildings.
  • Both erosion and corrosion weaken the structural integrity of pipes leading to leaks that cause damage to buildings structurally and to furniture and possessions.
  • High-pressure velocity and the breaking down of pipes internally can create failure in valves such as toilet cisterns and hot water systems.

 

Which water pipes are most at risk from erosion and corrosion?

With the right combination of temperature and high-pressure water velocity, all piping systems are at risk of erosion and corrosion. Listed below are pipe types and their risks.

  • Copper – copper piping is most at risk of internal and external erosion and corrosion. Externally mainly if laid in concrete or underground the pipe needs to be fully covered by impervious wrapping such as Denso tape. Copper is the most at risk pipe from high-pressure water velocity corroding the internal pipe surface.
  • Pex – pex piping has a much more significant internal and external tolerance to erosion and corrosion. As with all pipes, high-pressure water velocity can still damage the pipe internally over time.
  • Polyethylene or Poly Pipe – poly pipe is mainly used externally underground and, if installed correctly, has significant internal and external tolerance to erosion and corrosion. As with all pipes, high-pressure water velocity can still damage the pipe internally over time.
  • Stainless Steel – stainless steel piping is frequently used in commercial buildings as it has highly significant internal and external tolerance to erosion and corrosion. As with all pipes, high-pressure water velocity can still damage the pipe internally over time.
erosion and corrosion in copper pipes

The photo above is a pipe we removed and sent to Kembla for testing, as our client had suffered multiple leaks in both hot and cold pipes. They then cut and sectioned the copper pipe longitudinally to examine the internal surface in more detail. The interior surface was observed to have a well-formed black oxide layer partially covered in a layer of fine light brown silt. Multiple corrosion nodules were observed running the entire length of the cross-section. Most of these corrosion nodules are covered in fine brown silt. Brown silt was removed from several corrosion nodules to determine what was underneath. It was observed in many of the corrosion nodules the silt crust was hollow, with a void or air bubble immediately under the surface, under that a layer of corrosion product was sitting at the surface of the tube. The corrosion products were shown to be a loose mixture of black copper oxides and blue-green copper carbonate corrosion products.

Preventing erosion and corrosion?

Preventing erosion and corrosion is essential to protecting your plumbing and infrastructure. One of the most effective ways to do this is by using materials that are resistant to the effects of erosion and corrosion. Stainless steel, for example, is highly resistant to corrosion and can be used in various applications. Other materials, such as plastics and copper, can also be used to protect against erosion and corrosion.

Another essential step in preventing erosion and corrosion is properly maintaining your plumbing and infrastructure. This includes regular inspections and repairs and proper cleaning and maintenance of pipes, fittings, and other components. In addition, it is essential to protect your plumbing and infrastructure adequately from the elements by using coatings and other protective measures.

It is also essential to be aware of any potential sources of erosion and corrosion in your area. This can include heavy rainfall, high water table, or even nearby construction projects. By understanding the specific risks in your area, you can take steps to mitigate or prevent damage caused by erosion and corrosion.

What do you need to do to prevent a high plumbing bill?

Individually, you cannot do much to protect your plumbing water pipe infrastructure. The critical step you should take is for Whywait Plumbing to undertake regular inspections and preventative maintenance. We need to ensure the following:

  • Your water pressure does not exceed 500 kPa by ensuring a fully functioning pressure reduction valve after your water meter. This eliminates the risks created by high-pressure water velocity.
  • Your hot water does not circulate above 50° C, requiring fully functioning tempering or thermostatic mixing valves. This eliminates the risk of internal erosion of pipe surfaces due to water temperatures over 60° C.

In conclusion, erosion and corrosion are serious issues that can cause significant damage to your plumbing water pipe reticulation infrastructure. However, using materials resistant to erosion and corrosion, correctly maintaining your plumbing and infrastructure, and being aware of potential sources of erosion and corrosion can help protect your property and avoid costly repairs. At Whywait Plumbing, we are committed to helping you protect your property from the effects of erosion and corrosion.

If you have any concerns about the condition of your plumbing and infrastructure, please don’t hesitate to contact us for a consultation. We’re here to help and ensure your plumbing is in top shape.

Yes it’s a fact that electrolysis can cause your copper pipes to leak

Yes it’s a fact that electrolysis can cause your copper pipes to leak

What causes Copper Pipes to get Electrolysis?

Copper pipes are a popular choice for plumbing because they are durable and resistant to corrosion. However, over time, copper pipes can develop a problem called electrolysis. This occurs when electrical currents pass through the pipes, causing them to corrode and weaken. If left unchecked, electrolysis can lead to leaks and even pipe failures. In this blog post, we will explain what electrolysis is and how to prevent it from causing copper pipe leaks.

Electrolysis is a chemical reaction that occurs when electricity is passed through a liquid or metal. In the case of copper pipes, the electrical current can come from a variety of sources, such as nearby electricity wires or stray currents from appliances and lights in ceilings. When the current passes through the copper pipes, it causes a reaction between the copper and the water in the pipes, which can weaken and corrode the pipes over time, causing copper pipe leaks.

Common signs of electrolysis in copper pipes are the blue-green discolouration on the pipes. This is created by the formation of copper oxide over time and is a byproduct of the electrolysis reaction. This electrolysis can cause pinholes and leaks in the copper pipes.

Increasingly the most common cause of electrolysis that we are finding is an electrical fault in the earthing of the copper pipes. This is especially true with properties that have been renovated. Unfortunately, locating earthing issues is complex, and we need to use an electrician to confirm or eliminate earth leakage as the cause. Other electrolysis causes can be due to dissimilar metals, such as galvanised, steel, brass and copper pipes, coming into contact with each other.

copper pipe leaks at McDonalds Oxenford from electrolysis

How do you know if your copper pipe has electrolysis?

Often the problem is not found until you have copper pipe leaks. For example, your copper pipe may have turned green and shown pitting. Once the leaking section of the copper pipe is removed, you will observe that the inside is no longer smooth but has internal corrosion. A close inspection will reveal a crater appearance with pitted holes starting to form.

Once a copper pipe leaks due to electrolysis, it is essential to locate the cause. The replacement copper pipe quickly becomes infected if the reason is not found and removed.

To prevent electrolysis in copper pipes, it’s crucial to identify and eliminate the source of the electrical current. This will involve working with an electrician to check for stray currents or power line interference. In addition, it’s vital to use corrosion inhibitors in the water supply to help protect the pipes.

Another way to prevent electrolysis is to use a cathodic protection system. This unique device is installed on the pipe to provide a negative charge, which neutralises the positive charge caused by the electrical current and prevents the corrosion of the pipes.

In addition to these preventative measures, it’s also important to regularly inspect and maintain your copper pipes. This includes checking for signs of discolouration or leaks and ensuring that the copper pipes are appropriately insulated to reduce the risk of electrolysis.

Conclusion

In conclusion, electrolysis is a problem that can occur in copper pipes and can cause significant damage. However, by understanding the causes of electrolysis and taking steps to prevent it, you can help ensure that your copper pipes remain in good condition for many years. For example, suppose you suspect that your copper pipe leaks are ongoing and may be experiencing electrolysis. In that case, you need to contact the qualified plumbers at Whywait Plumbing to diagnose and repair the problem as soon as possible.

The Future of Flushable Products: A Comprehensive New Standard AS/NZS 5328:2022 Flushable Products

The Future of Flushable Products: A Comprehensive New Standard AS/NZS 5328:2022 Flushable Products

New Flushable Products Standard: A Win for Whywait Plumbing and Our Customers Introduction

Here at Whywait Plumbing, we have long advocated for clear guidelines around using and labelling flushable products. But unfortunately, we’ve seen far too many instances of blockages, overflowing drains, and the ensuing damage to properties and infrastructure due to the misuse of such products.

So from our perspective, sharing the recent news about releasing the new Flushable Products Standard is positive. After all, We’ve done media interviews on this, plus written countless blogs and newsletter articles:

The Water Services Association of Australia (WSAA) has released the new Flushable Products Standard (PAS 2845.1:2022), which provides manufacturers and consumers with clear guidance on the proper use and disposal of flushable products. In this blog post, we’ll explore the critical aspects of this new Standard and discuss how it aligns with Whywait Plumbing’s long-held beliefs on the issue.

The Importance of the Flushable Products Standard

Addressing the Drain Blockage Problem

Whywait Plumbing has been advocating for these changes mainly because of the immense problem of drain blockages caused by flushing inappropriate items down the toilet. According to the WSAA, approximately 75% of sewer blockages are caused by flushing non-flushable items, costing millions of dollars annually to rectify.

This has led to environmental issues and costly repairs for homeowners and local water authorities. The new Flushable Products Standard aims to reduce the incidence of blockages and save money for everyone involved, making it a welcome development for plumbers and homeowners alike.

Clear Guidelines for Manufacturers

One of the critical aspects of the new Standard is the provision of clear guidelines for manufacturers of flushable products. This includes stringent testing requirements to ensure that only genuinely flushable products can be marketed as such. The Standard also mandates clear labelling, helping consumers make informed choices about what they flush down their toilets.

This means that manufacturers will now have to adhere to these guidelines, ensuring that their products meet the criteria to be deemed flushable. This will help reduce the number of inappropriate items being flushed, leading to fewer blockages and plumbing problems.

How Will The Symbol Be Displayed

The symbols for packaging indicating that a product has passed the criteria in the Standard and is safe for flushing can vary. However, they are typically simple, easily recognisable icons that convey the message. For example, for products that are safe to flush, the symbol might consist of a toilet with a checkmark, signifying that the item can be flushed without causing harm to the plumbing system or the environment.

Conversely, if a product is unsuitable for flushing, the symbol might depict a toilet with a crossed-out circle, indicating that the item should not be flushed. This “do not flush” symbol is crucial for products with a high potential to be flushed, as it helps inform customers about the appropriate disposal method.

In both cases, the symbol should be prominently visible on the on-shelf package, unobscured by packaging seals or folds, ensuring that consumers can quickly identify whether the product is flushable. Again, the goal is to provide consumers with clear, easily understood information, helping them make responsible choices for their plumbing systems and the environment.

flushable products standard

How Does A Product Qualify to Be Flushable?

To qualify for the new Flushable Products Standard and display the flushable logo, products must undergo a series of tests and meet specific criteria outlined in the Standard. These tests ensure the product is safe for flushing and will not harm the plumbing system or the environment. Here are the seven steps a product must pass to qualify:

  1. Clears the toilet and household drain line: The product must pass through the toilet and the household drain line without causing blockages or damage to the plumbing system.
  2. Doesn’t foul household sewage pumps: The product must not clog or interfere with the proper functioning of household sewage pumps.
  3. Disintegrates quickly to prevent sewer blockages: The product must break down rapidly once it enters the sewer system to ensure that it does not cause blockages or damage to the sewer infrastructure.
  4. Doesn’t foul council sewer water utility pumps: The product must not cause any problems or blockages in municipal water utility pumps, ensuring that the more extensive sewage treatment system remains functional.
  5. Settles out in a sewage plant: The product must settle out in a sewage treatment plant, allowing it to be correctly processed and treated without causing issues in the sewage plant.
  6. Biodegrades: The product must be able to biodegrade naturally, ensuring that it does not contribute to environmental pollution or harm aquatic life.
  7. Doesn’t contain plastics (via an attestation): Manufacturers must attest that their product does not contain any plastics, helping to reduce the amount of plastic waste entering our waterways and sewer systems.

By meeting these requirements, a product can qualify for the Flushable Products Standard and display the flushable logo on its packaging. This provides consumers with clear information about the product’s suitability for flushing, helping them make responsible choices for their plumbing systems and the environment.

flushable products standard testing requirements

How the Flushable Products Standard Aligns with Whywait Plumbing’s Beliefs

Prioritising the Health of Our Waterways and Infrastructure

At Whywait Plumbing, we have always believed in maintaining the health of our waterways and infrastructure. The new Flushable Products Standard is a significant step in this direction. It will help prevent the clogging of our sewer systems and the pollution of our waterways with non-flushable waste.

By ensuring that only genuinely flushable products can be marketed as such, we can collectively reduce the strain on our water infrastructure and preserve the environment for future generations.

Empowering Consumers with Accurate Information

Another critical aspect of the Flushable Products Standard that aligns with our beliefs is the focus on providing consumers with accurate information about the products they use. With precise labelling requirements, consumers will be better informed about which items are safe to flush and which should be disposed of in other ways.

This empowers individuals to make better choices for their homes and the environment, helping to reduce the number of blockages and plumbing issues caused by flushing inappropriate items.

A Positive Step for the Plumbing Industry and the Environment

The release of the Flushable Products Standard (PAS 2845.1:2022) is a significant milestone in the fight against drain blockages and the associated environmental and financial costs. By providing clear guidelines for manufacturers and empowering consumers with accurate information, this Standard will help to reduce the number of blockages caused by non-flushable items.

As a long-time advocate for these changes, Whywait Plumbing is delighted to see this progress. It remains committed to promoting responsible flushing practices and educating our customers about the importance of these new guidelines. We believe this Standard will positively impact the plumbing industry, the environment, and the overall health of our water infrastructure.

Our Commitment to Client Education

At Whywait Plumbing, we understand that many of our customers may not be aware of the new Flushable Products Standard and the implications it has for their daily lives. As a result, we are dedicated to educating our customers about the importance of following these guidelines and how they can help prevent blockages and protect the environment.

We will update our website, social media channels, and other educational materials to reflect the latest information on flushable products and the new Standard. Additionally, our team of skilled plumbers will be available to advise and answer any questions our customers may have regarding the proper use and disposal of flushable products.

Future Developments and Ongoing Advocacy

While releasing the Flushable Products Standard is a significant achievement, we at Whywait Plumbing believe there is always room for improvement and further progress. Therefore, we will continue to advocate for stricter guidelines, increased public awareness, and ongoing research into developing truly flushable products that do not harm our waterways and infrastructure.

We will also remain vigilant in monitoring the implementation and enforcement of the new Standard, ensuring that manufacturers comply with the guidelines and that consumers have access to accurate and up-to-date information. We aim to be crucial in driving positive change within the plumbing industry and beyond by staying active in this space.

Tips for Preventing Drain Blockages

While the Flushable Products Standard is a significant step in the right direction, everyone needs to play their part in preventing drain blockages. Here are some practical tips for ensuring your plumbing system stays in top shape:

Only flush the “Three P’s”: Always remember that the only items that should be flushed down the toilet are pee, poo, and toilet paper. Everything else, including wet wipes, facial tissues, and sanitary products, should be disposed of in the trash.

Dispose of fats, oils, and grease (FOG) responsibly: FOG can solidify in your pipes and cause blockages. Instead of pouring them down the sink, collect them in a container and dispose of them in the trash once cooled.

Install drain screens: Placing a drain screen over your sink, shower, and bathtub drains can help catch hair, soap scum, and other debris, preventing them from entering your pipes and causing blockages.

Schedule regular plumbing maintenance: Having a professional plumber inspect and clean your plumbing system regularly can help identify and address potential issues before they become significant problems.

Whywait Plumbing: Your Partner in Responsible Plumbing Practices

As a company that has long advocated for responsible plumbing practices and the proper use of flushable products, Whywait Plumbing is proud to support the implementation of the new Flushable Products Standard. We believe this Standard will decrease drain blockages, benefiting homeowners and the environment.

If you have any questions about the new Standard or need assistance with your plumbing system, please don’t hesitate to contact us at Whywait Plumbing. Our experienced professionals are always here to help you with your plumbing needs, ensuring your home’s plumbing system remains in top condition.

How much does a burst pipe add to your Gold Coast water bill?

How much does a burst pipe add to your Gold Coast water bill?

Your Gold Coast water bill issued by the City of Gold Coast as a Water and Sewerage Rate Notice arrives every three months. Currently, every water meter is manually read every three months, with your Gold Coast water bill coming soon after. The cost of Gold Coast water is set every year as part of the budget process with the detailed current water pricing for 2021-22 available from Gold Coast Water.

What are the costs of your Gold Coast water bill?

For most homeowners who use around the average daily water usage of 451 litres, the highest costs in the quarterly Gold Coast water bill are their sewerage and water access service charges. If you look closely at your water bill, you can see that you have the following access charges:

Residential Charges Cost
Sewerage access charge per quarter

$181.03

Water access charge per quarter

$53.02

Total Access Charges per Quarter

$234.05

The usage charges per kilolitre as measured by your water meter are made up of council charges and Queensland Government charges as below:

Residential Charges Cost

City of Gold Coast water per kilolitre

$1.117

Queensland Government water per kilolitre

$3.231

Total Cost of Water per Kilolitre

$4.348

In reality, even if you did not use one drop of water, you would still pay for water and sewerage access service charges of $234.05 every quarter or $936.20 every year.

Our experience is that the average water use of 451 litres or 0.451kL per property shown on Gold Coast water bills is not an accurate guide to your water use.

Most homes with more than one occupant will use 1-2 kL every day. However, remember your water usage will vary every day based on the number of occupants at home each day and their water use behaviours. That is why we recommend you read your water meter weekly, as that will give you a better guide about your average consumption and alert you to a potential water leak.

The actual cost of water dripping from a tap

What will cause your water usage charges to blow out is having leaking water that you are unaware of. Leaking taps and toilets are frequently overlooked and put off to another day. A dripping tap that drips one drop every second will use 40 litres of water a day. The reality is that it becomes 280 litres a week and then 1214 litres a month, and then 14560 litres a year. This is all water charged for on your Gold Coast water bill that you never utilised for any practical purpose.

If we translate the litres wasted to the cost of water, then the numbers become real very quickly.

Cost of a Dripping Tap at 1 drip per second Residential Cost at $4.348 per kL or 1000 litres Business Cost at $8.909 per kL or 1000 litres

1.66 litres per hour

$0.007

$0.015

40 litres per day

$0.174

$0.356

280 litres per week

$1.217

$2.495

1214 litres per month

$5.278

$10.816

14560 litres per year

$63.307

$129.715

The actual cost of a leaking underground water main

You can visually see a dripping tap or running toilet, but the real killer to your Gold Coast water bill is your underground water main pipe leaking. For residential users, these are usually leaking polypipe water mains that were never installed correctly when the house was built. Only occasionally is a water leak apparent and bubbling to the ground. Most of the time, they are a silent Gold Coast water bill killer leaking 24/7 undetected.

There is no accurate average for any leaking water main supply pipe because it depends on the type of break in the pipe, what the pipe size is and what the incoming water pressure is.

Recently we had a client with a small leak where we have 24/7 electronic water monitoring installed that is leaking on average of 45 litres per hour, so we use that as a basis for what leaking water main will cost on a Gold Coast water bill.

Cost of a leaking underground water main at 45 litres per hour Residential Cost at $4.348 per kL or 1000 litres Business Cost at $8.909 per kL or 1000 litres
45 litres per hour

$0.196

$0.401

1080 litres per day

$4.696

$9.622

7560 litres per week

$32.87

$67.352

33480 litres per month

$145.57

$298.731

401760 litres per year

$1746.85

$3579.280

A water leak at 45 litres per minute is only a relatively small leak in larger pipes. It is unlikely to show up as bubbling at the ground unless it is directly under the grass in a shallow trench. Even looking at your water meter, it will not be evident unless you are testing your water use at the meter by checking for a water leak.

How much does a leak cost per litre?

We have always recommended that you test your water usage through your water meter every month. By having comparable figures, you will soon ascertain whether you have a leaking pipe.

We have always recommended that you install an AquaTrip water leak detection system after your water meter. An AquaTrip Water Leak detection system with an integrated automatic shutoff valve supplied and installed by Whywait Plumbing is a permanently installed leak detection protection system that quietly protects against leaks 24/7. It is a one time only insurance payment.

With our modern leak detection methods, it’s an easier task to locate a leak. However, unless you have an AquaTrip installed or use our 24/7 water monitoring service, you will still pay for a large amount of lost water before you become aware of the water leak.

If you think you have a water leak contact us because every litre that you lose is costing you $0.004348 for residential properties or $0.008909 for businesses on your Gold Coast water bill. If you naively feel that is inconsequential, we have just rectified a leak for a commercial business client in a 50mm underground polypipe water main that was leaking 106 kL every day, which is 106000 litres every 24 hours. This leak cost $944.354 every day.

How much will a leak add to your Gold Coast water bill?

How much will a leak add to your Gold Coast water bill?

Whywait Plumbing how to read your water meterYour Gold Coast water bill issued by the City of Gold Coast as a Water and Sewerage Rate Notice arrives every three months. Currently, every water meter is manually read every three months with your Gold Coast water bill coming soon after. The cost of water is set every year as part of the budget process with the detailed current water pricing for 2020-21 available from Gold Coast Water.

What are the costs on your Gold Coast water bill?

For most homeowners who use around the average daily water usage of 451 litres, the highest costs in the quarterly Gold Coast water bill are their sewerage and water access service charges. If you look closely at your water bill you can see that you have the following access charges:

Residential Charges Cost
Sewerage access charge per quarter

$181.03

Water access charge per quarter

$53.02

Total Access Charges per Quarter

$234.05

The usage charges per kilolitre as measured by your water meter are made up of council charges and Queensland Government charges as below:

Residential Charges Cost

City of Gold Coast water per kilolitre

$1.090

Queensland Government water per kilolitre

$3.122

Total Cost of Water per Kilolitre

$4.212

In reality, even if you did not use one drop of water, you would still pay for water and sewerage access service charges of $234.05 every quarter or $936.20 every year.

In our experience, the average water use of 451 litres or 0.451kL per property is not an accurate guide to your water use. Most homes with more than one occupant will use 1-2 kL every day. Remember your water usage will vary every day based on the number of occupants at home each day, and their water use behaviours. That is why we recommend you read your water meter weekly as that will give you a better guide about your average consumption but will also alert you to a potential water leak.

The real cost of water dripping from a tap

What will cause your usage charges to blow out is having leaking water. Leaking taps and toilets are frequently overlooked and put off to another day. A dripping tap that drips one drop every second will use 40 litres of water a day. The reality is that it becomes 280 litres a week and then 1214 litres a month and then 14560 litres a year. This is all water charged for on your Gold Coast water bill that you never utilised for any useful purpose.

If we translate the litres wasted to the cost of water, then the numbers become real.

Cost of a Dripping Tap at 1 drip per second Residential Cost at $4.212 per kL or 1000 litres Business Cost at $8.662 per kL or 1000 litres

1.66 litres per hour

$0.007

$0.014

40 litres per day

$0.169

$0.347

280 litres per week

$1.180

$2.425

1214 litres per month

$5.114

$10.516

14560 litres per year

$61.327

$126.119

The real cost of a leaking underground water main

A dripping tap or running toilet you can visually sight but the real killer to your Gold Coast water bill is your underground water main pipe leaking. For residential users, these are usually leaking polypipe water mains that were never installed correctly when the house was built. Only occasionally is a water leak apparent and bubbling to the ground. Most of the time they are a silent Gold Coast water bill killer leaking 24/7 undetected.

There is no real average for any leaking water main because it depends on the type of break in the pipe and what the incoming water pressure is.  Currently, we have a small leak where we have water monitoring installed that is leaking on average of 44 litres per hour, so we use that as a basis for what a leaking water main will cost on a Gold Coast water bill.

Cost of a leaking underground water main at 44 litres per hour Residential Cost at $4.212 per kL or 1000 litres Business Cost at $8.662 per kL or 1000 litres
44 litres per hour

$0.185

$0.381

528 litres per day

$2.223

$4.574

3696 litres per week

$15.568

$32.015

16016 litres per month

$67.459

$138.731

192192 litres per year

$809.513

$1664.767

A leak at 44 litres per minute is only a small leak. It is highly unlikely to show up bubbling to the ground unless it is directly under the grass in a shallow trench. Even looking at your water meter, it will not be evident unless you are testing your water use at the meter by checking for a water leak.

How much does a leak cost per litre

We have always recommended that you test your water usage through your water meter every month. By having comparable figures, you will soon ascertain whether you have a leaking pipe.

We have always recommended that you install an AquaTrip water leak detection system after your water meter. An AquaTrip Water Leak detection system with an integrated automatic shutoff valve supplied and installed by Whywait Plumbing is a permanently installed leak detection protection system that quietly protects against leaks 24/7. It is a one time only insurance payment.

With our modern leak detection methods, it’s a much easier job to find a leak but unless you have an AquaTrip installed or use our water monitoring service you will still pay for a lot of lost water before you become aware of the leak.

If you think you have a leak contact us because every litre that you lose is costing you $0.004212 for residential properties or $0.008662 for businesses on your Gold Coast water bill. If you believe that is inconsequential, we have just rectified a leak for a business client that was in a 40mm underground pipe that was leaking 96 kL every day, which is 96000 litres every 24 hours. This leak was costing $831.55 every day.

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