Water tank maintenance includes regular inspections, cleaning, testing, and preventative servicing. It helps identify leaks, corrosion, sediment build-up, and worn components before they affect performance.
Raven Tanks provides professional tank maintenance services for commercial, industrial, and government clients. Our team maintains water storage tanks in line with Australian standards, helping protect water quality, extend asset life, and support compliance.
We service sites throughout Sydney and across Australia.
Every effective tank maintenance program starts with a detailed tank inspection. The inspection identifies corrosion, leaks, structural damage, sediment build-up, and worn components.
The inspection findings determine the maintenance work required to restore safe and reliable operation. Our technicians complete the necessary cleaning, repairs, testing, and preventative maintenance. Every inspection and maintenance activity is documented in a detailed service report.
This provides a clear maintenance history, supports compliance, and helps plan future servicing.
Raven Tanks provides complete maintenance solutions that protect tank condition, water quality, and long-term system performance.
We drain the tank and remove sediment, sludge, and debris collected across the tank floor.
Our technicians scrub internal walls and surfaces using suitable equipment and safe cleaning products.
We rinse and disinfect internal surfaces using an approved diluted solution before safely refilling the tank.
We inspect the tank for leaks, corrosion, rust, cracks, and other signs of deterioration.
e install, service, and maintain tank level indicators to provide accurate and reliable water level monitoring for all types of water storage tanks.
We inspect inlet filters, outlets, valves, fittings, and other components to confirm reliable operation.


Regular condition checks help identify problems before they become major repairs. Raven Tanks inspects every tank to identify damage early and support reliable long-term performance.
Regular condition checks help extend tank life, reduce the risk of unexpected failures, and identify when microbiologically influenced corrosion solutions may be required.
Raven Tanks provides professional water tank maintenance for commercial, industrial, and specialised water storage systems across Australia.
We maintain Industrial tanks across manufacturing, mining, processing, and infrastructure sites to improve reliability and minimise operational downtime.
Our commercial water tank maintenance supports offices, shopping centres, hospitals, schools, hotels, and other managed facilities.
We clean, inspect, and maintain rainwater tanks to protect water quality, storage capacity, and system performance.
Our stormwater tank maintenance reduces sediment build-up and supports reliable drainage, storage, and water management systems.
Our potable water tank maintenance helps protect water quality, hygienic conditions, and dependable storage performance.
Regular maintenance of the roof and tank components helps protect water quality and maintain reliable operation.
Routine roof and component maintenance helps extend tank life, reduce the risk of unexpected failures, and support timely tank roof replacement when needed.
Over time, sediment, sludge, and other contaminants can accumulate inside water tanks, affecting water quality and reducing storage efficiency. Regular cleaning helps maintain a cleaner, safer, and more reliable water storage system.
We remove built-up sediment from the tank floor to help maintain storage capacity and reduce the risk of contamination.
We remove sludge, leaves, algae, and other organic material that can accumulate over time and affect water quality.
We clear dirt, debris, and foreign objects from the tank to support efficient operation and long-term performance.


Raven Tanks provides professional tank cleaning services for a wide range of water storage systems across commercial, industrial, and municipal applications.
Read our water tank cleaning guide to learn how regular cleaning helps maintain water quality and extend tank life.
Water tank cleaning with ROV technology provides an efficient way to remove sediment and debris while minimising downtime and operational disruption. We use ROV inspection technology to safely assess water tanks and support effective maintenance planning.
ROV technology allows tanks to be cleaned without draining, helping maintain water supply throughout the maintenance process.
Using a remotely operated vehicle reduces the need for confined space entry while reaching difficult areas inside the tank.
ROV cleaning is ideal for commercial, industrial, and fire water tanks where traditional cleaning methods are less practical.
Regular maintenance helps identify minor issues early and keeps your water storage system operating reliably.
| Maintenance Task | Recommended Frequency |
|---|---|
| General Tank Condition Check | Every 6–12 months |
| Roof, Hatch & Vent Maintenance | Every 6–12 months |
| Valves, Pipework & Fittings | Every 6–12 months |
| Sediment & Debris Assessment | Annually |
| Water Tank Cleaning | Every 1–2 years or as required |
| ROV Cleaning | As required for large or operational tanks |
| Repairs & Component Replacement | As required |
Routine water tank maintenance helps extend asset life, improve reliability, and reduce the risk of unexpected repairs.
With more than 20 years of industry experience, Raven Tanks delivers reliable water tank maintenance and cleaning solutions for businesses across Australia.
Raven Tanks proudly provides water tank maintenance and cleaning services across Sydney and throughout Australia.
We provide specialised maintenance and repair services to help protect the condition, performance, and reliability of your water tank.
Our fire tank maintenance services help keep critical tank components in good condition and support reliable operation of your fire water storage system.
Our panel tank refurbishment service restores ageing or deteriorated tanks, helping extend their service life without requiring a complete tank replacement.
Our tank liner repair services address damaged, leaking, or deteriorated liners to help maintain watertight performance and protect the tank structure.
Need a reliable industrial water storage solution for your site? Contact Raven Tanks to discuss your requirements and find the right tank for your project.
We know our clients often have important questions before starting a project. Here are clear answers to help you make informed decisions with confidence.
Water tank maintenance may include condition checks, roof and component maintenance, valve and pipework checks, sediment assessment, cleaning, and repairs where required.
Most water tanks should be cleaned every 1–2 years, while rainwater tanks and industrial tanks may require different cleaning schedules depending on usage and water quality.
Yes. We use ROV technology to clean many tanks without draining them, helping minimise downtime and maintain water supply where possible.
The cost of water tank cleaning depends on the tank size, location, accessibility, level of contamination, and the cleaning method required. Contact Raven Tanks for a tailored quote based on your project.