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.
We 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.
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.
For dedicated fire protection systems, explore our fire water tank maintenance services.
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.
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.
Regular sediment removal helps maintain water quality, maximise storage capacity, and extend the service life of your tank.
Routine tank cleaning helps maintain water quality, improve system hygiene, and support reliable long-term operation.
We clean internal tank surfaces to remove built-up dirt, residue, and contaminants.
Walls, floors, and other internal surfaces are cleaned to help maintain a hygienic storage environment.
All waste materials are removed from the tank, leaving it clean and ready for service.
Regular water tank cleaning helps maintain cleaner water, improve system hygiene, and extend the life of your water storage asset. Raven Tanks carries out potable water tank condition assessment services for commercial, industrial, and municipal water storage systems.
Water tank cleaning with ROV technology provides an efficient way to remove sediment and debris while minimising downtime and operational disruption.
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.
We use ROV inspection technology to safely assess water tanks and support effective maintenance planning.
Raven Tanks provides professional tank cleaning services for a wide range of water storage systems across commercial, industrial, and municipal applications.
We provide professional water tank cleaning for potable water, process water, and general water storage tanks of all sizes.
Our industrial tank cleaning services support manufacturing plants, processing facilities, mining sites, and other industrial operations.
We deliver reliable commercial tank cleaning for offices, shopping centres, schools, hospitals, and other commercial facilities.
Our rainwater tank cleaning service removes sediment, organic matter, and debris to help maintain cleaner stored rainwater.
Read our water tank cleaning guide to learn how regular cleaning helps maintain water quality and extend tank life.
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.
Regular maintenance helps protect your water storage system, improve reliability, and reduce long-term operating costs.

Routine maintenance helps prevent premature wear and extends the service life of your tank.

Keeping the tank clean and well maintained helps protect stored water from contamination.

Identifying minor issues early helps avoid costly repairs and unexpected downtime.

Well-maintained tanks continue to operate efficiently and support reliable water storage all year round.
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 know our clients often have important questions before starting a project. Here are clear answers to help you make informed decisions with confidence.
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.
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.
Yes. We use ROV technology to clean many tanks without draining them, helping minimise downtime and maintain water supply where possible.
We recommend scheduling water tank maintenance every 6–12 months to help identify minor issues early and keep your water storage system operating reliably.
Water tank maintenance may include condition checks, roof and component maintenance, valve and pipework checks, sediment assessment, cleaning, and repairs where required.
Contact Raven Tanks today to schedule professional water storage tank maintenance anywhere in Australia. Our team will help you keep your system safe, compliant, and operating at peak performance.