Water Tank Cleaning in Dubai: Rules and Regulations

Water tank cleaning is a mandatory requirement in Dubai, governed by Dubai Municipality regulations. Whether you live in an apartment tower or a villa, understanding these rules helps protect your family's health and ensures your property remains compliant.

Dubai Municipality Requirements

Dubai Municipality mandates that all water storage tanks must be cleaned and disinfected at least twice per year. This applies to:

• Residential buildings (apartment towers)
• Villas and townhouses
• Commercial properties
• Hotels and hospitality establishments

The cleaning must be performed by a DM-approved water tank cleaning company. Building owners and property managers are responsible for scheduling and documenting these cleanings. Failure to comply can result in fines and, in severe cases, water supply disconnection.

Why Water Tank Cleaning Matters

Dubai's water supply goes through multiple stages before reaching your tap. Desalinated water is treated and distributed through the DEWA network, but it passes through building storage tanks before reaching individual units. Over time, these tanks can accumulate:

Sediment and Scale: Minerals in the water settle at the bottom of tanks, forming a layer of sediment. This can affect water taste and appearance.

Bacterial Growth: Warm temperatures in Dubai (tank water can reach 35-40°C in summer) promote bacterial growth, including potentially harmful species like Legionella. Biofilm forms on tank walls, providing a habitat for bacteria to multiply.

Algae: If tanks are not properly sealed, sunlight exposure can promote algae growth. Even in sealed tanks, algae spores can be introduced through the water supply.

Rust and Corrosion: Metal tanks can corrode over time, introducing rust particles into the water supply. Regular inspection during cleaning identifies corrosion before it becomes a serious problem.

For Villa Owners

If you own a villa with a private water tank (rooftop or underground), you are directly responsible for tank cleaning:

Frequency: Every 6 months at minimum Process:

1. Drain the tank completely
2. Scrub interior walls, floor, and ceiling with approved cleaning agents
3. Rinse thoroughly
4. Disinfect with chlorine solution (following DM guidelines for concentration and contact time)
5. Rinse again until chlorine levels return to safe drinking levels
6. Refill and test water quality
7. Document the cleaning with dated photographs and certificates

Tank Inspection: During each cleaning, the tank should be inspected for:

• Cracks or damage to walls and floor
• Condition of the waterproof coating
• Proper functioning of float valves
• Integrity of the access cover seal
• Condition of inlet and outlet pipes
• Adequate ventilation and overflow provisions

For Apartment Residents

In apartment buildings, water tank maintenance is handled by the building management or owners association. However, as a resident, you should:

• Ask your building management for the water tank cleaning schedule
• Request copies of cleaning certificates
• Report any changes in water taste, color, or odor immediately
• Consider installing an additional under-sink water filter for drinking water
• If you notice brown or discolored water, run the tap for several minutes before using

Choosing a DM-Approved Tank Cleaning Company

Only companies approved by Dubai Municipality should clean your water tanks. Approved companies:

• Hold a valid DM license specifically for water tank cleaning
• Use DM-approved cleaning chemicals and disinfectants
• Employ trained and certified technicians
• Provide cleaning certificates with dates and details
• Can submit compliance reports to DM on your behalf

Water Quality Testing

After cleaning, a reputable company will test the water for:

• Chlorine residual levels
• Total coliform bacteria
• E. coli
• Turbidity
• pH levels

Test results should meet DM standards, and certificates should be retained for inspection purposes.

Costs

Typical water tank cleaning costs in Dubai:

• Villa (1,000-2,000 gallon tank): AED 300-600
• Building rooftop tanks: AED 500-1,500 per tank
• Underground tanks: AED 800-2,000 per tank
• Water quality testing: AED 200-500 per sample

Conclusion

Water tank cleaning is not optional in Dubai — it is a regulatory requirement that directly impacts health. Villa owners must schedule bi-annual cleanings with an approved provider, while apartment residents should verify their building's compliance. You can book water tank cleaning through ProKeep, with the price shown before you book. Contact us to schedule your next tank cleaning.