About us
We are WSTC
We are WSTC, a team of professional potable, rain & fire water storage tank cleaners. with over 30 years experience in water treatment and disinfection services. we pride ourselves on providing clean, safe & healthy water to our clients.
cleaning & disinfection
Cleaning and disinfecting water storage tanks is essential to prevent the buildup of sediment, algae, and harmful bacteria like Legionella. Potable (drinking water) tanks should typically be cleaned annually or more frequently if a visual inspection shows debris or if water quality tests positive for bacteria
CONFINED SPACE ENTRY
Our service team has extensive experience, training & certification in Confined Space Entry AS 2865-2009
cleaning process
We abide by the Australian Drinking Water Guidelines and Australian Standards for Water Storage Tank Cleaning & Disinfection. This includes draindown, scrubbing, cleaning and removing contaminants. Disinfecting and rinsing of potable water tank.
Inspection , reporting & testing
Regular water storage tank inspections are critical to identifying structural damage, preventing contamination, and ensuring long-term water safety. Inspection Frequency (2026)Monthly: Perform a basic visual check for obvious leaks, verify water levels, and ensure the tank area is secure.Semi-Annually/Annually: Conduct a detailed external inspection of hatches, vents, overflow screens, and protective coatings.Every 2–3 Years: Perform a comprehensive internal assessment to check for sludge accumulation and internal structural integrity.