Cleaning Company and Complex Tanks: Why Is It Completely Different from Homes?

A factory, hotel, school, hospital, or residential complex — all rely on large water tanks serving dozens or hundreds of people daily. Contamination in these tanks doesn’t affect a single family; it can cause a large-scale health outbreak.

Why Are Commercial Tanks Higher Risk?

• The number of users is far greater — a single contamination affects everyone at once
• The large tank size means longer water stagnation in sections far from the outlet
• Complex hydraulic systems create dead zones that fresh water doesn’t reach
• Legionella bacteria grow especially well in warm, stagnant water tanks
• Legal liability falls on the facility owner in the event of mass poisoning

What Does Jordanian Law Require?

The Jordanian Ministry of Health requires healthcare, educational, and hospitality facilities to clean their water tanks and document the operations periodically. Some facilities need documented cleaning certification to pass Ministry of Health inspections and renew licenses.

In the event of a health inspection, saying "we cleaned the tank" isn’t enough — there must be written documentation signed by a licensed company proving the cleaning and sanitizing.

What’s Different About Cleaning Commercial Tanks?

• It requires larger equipment and bigger teams to finish in a time that doesn’t disrupt operations
• Sanitizing at higher chlorine concentrations with pH monitoring to ensure safety
• A comprehensive inspection of all parts of the internal network, not just the tank
• Issuing a detailed report documenting the operation date and inspection results
• An official periodic schedule tied to licensing and inspection requirements

What Is the Recommended Schedule for Commercial Facilities?

• Hospitals, schools, and hotels: at least every 3 months
• Large residential complexes (more than 10 units): every 4-6 months
• Factories and food production facilities: every two months with a microbial test
• Restaurants and cafés: every 3 months with documentation to present at inspection