A technician washing the inside wall of a water tank with a pressure hose

Water tank cleaning in An Nawwariyah Makkah

An Nawwariyah is a north western district near the Fourth Ring Road, the city's gateway from the north along the Madinah road. It mixes villas, apartment blocks, wide undeveloped land and ongoing construction. A large hospital, a pilgrim grouping centre, a park and a historical tomb make the district multi-use. Tanks here serve apartment blocks, hotels and a hospital together, and pressure on the system varies with hospital demand and pilgrim flow.

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Potable-rated materials

Linings and disinfectants cleared for drinking water tanks, not general-purpose products.
You get the downtime first

How many hours the tank is out of service, told before we start rather than after we finish.
A first-draw flush

We run the first draw off after refilling, and the tank is not handed back until the water runs clear.
Ground and roof tanks

Villas, apartment blocks and premises that need a written record of each visit.

Why the job is different in An Nawwariyah

The large hospital draws water in heavy quantities, apartment blocks draw normal domestic water. Tanks here serve deeply mixed use, and a hospital supply failure affects the whole district. The method is set out in full on what Water tank cleaning involves.

The first reason

A large hospital draws massive water quantities

Basharahil Hospital is large and serves patients, visitors and staff, needing enormous water volumes for patient care, staff and laundry. A tank serving both hospital and apartment blocks faces very heavy pressure during peak hours. A small leak in a hospital tank may go unnoticed because water disappears into use.

The second reason

Pilgrim centre moves large groups to nearby hotels

The pilgrim grouping centre receives entire convoys and directs them quickly to hotels and apartments nearby. Each convoy means hundreds of people processed into nearby accommodation. Tanks fill and empty at an uncommon pace. Pressure surges cause vibration and pipe leaks.

The third reason

Large park and open land need seasonal irrigation

An Nawwariyah Park and the wide open land around the district need watering in summer. Irrigation draws additional water from tanks. In summer under double demand from hospital and park together, the tank may not hold sufficient capacity.

The character of An Nawwariyah

Mixed district: shops at street level with homes above them

This mixed use district means water serves a hospital, pilgrims and residents together. The tank is not for a household but for a complex network that changes needs rapidly. Cleanliness here is a health responsibility, not just a consumption matter.

Before treatment

The condition of the tank decides the method

The district sits on a major route carrying pilgrim traffic and the northern entry to Makkah, the road runs through it. Groundwater lies close and hills encircle the area.

Fine brown sediment beneath shallow water

The layer on the floor

Sediment in the tank mixes minerals from hard water with matter from hospital use and patients.

Light and algae

Algae can grow fast in a tank exposed to sun and serving heavy use with warm water.

A damp concrete wall carrying a dark deposit

The deposit on the wall

Inner concrete surfaces carry layers of calcium and dirt requiring firm scrubbing, especially in a hospital tank.

A concrete surface with a fine hairline crack

The lining and hairline cracks

Small slow leaks may go unnoticed in a hospital tank because water vanishes into heavy use.

The lid of a water tank on a building roof

The lid and the access hatch

The tank lid needs tight sealing and filtering, especially if near open land or the park.

A plastic pipe leaving the exterior wall of a building

The vent and the overflow pipe

The overflow pipe must seal tight so backflow does not send contaminated water into the tank from continuous spillage.

How we work

1
Inspect before the drain

Tank type and material, the condition of the lining, the depth of the sediment, the lid and the vent, and where the drained water will go. We agree the window without supply before anything is opened.
2
Drain, then lift the sludge

The water leaves through the outlet, then the layer beneath it is taken out by hand and by suction. That layer is the reason for the visit, not the water that ran out ahead of it.
3
High pressure wash

Walls, floor and the joint where they meet, with a brush wherever the film resists, then the wash water is taken out completely so nothing we lifted settles again.
4
Disinfect and put back in service

Disinfectant over every internal surface, left for its contact time and then rinsed out, followed by the refill, a first draw off at the taps, and a report on what was inside the tank.

What water tank cleaning includes

An inspection before the valve

Tank type, lining condition, depth of sediment, lid and vent, recorded before any water leaves.
Full drain and sediment removal

The water through the outlet, and the layer below it by hand and by suction until the floor itself is showing.
Pressure washing walls and floor

High pressure across the surfaces and corners, and a brush on anything water alone will not lift.
Disinfection after the wash

A disinfectant intended for drinking water tanks, named to you before it is used, left for its contact time and then rinsed out.
Refill and the first draw off

We refill, run the taps so the new water moves through the pipework, and tell you when it is ready to use.
A report and the next date

What was inside the tank, anything on the lid or the lining that needs repair, and a sensible date for the next clean.

What is different about Al Umrah Sub-Municipality

Al Umrah sub municipality covers the north west of Makkah along the Madinah road and the old Jeddah road, from At Tanim and Masjid Aisha to An Nawwariyah. Its districts are the city's newest, villas and apartment blocks raised on wide schemes where large tracts in Al Umrah Al Jadidah, Al Fayha and Al Buhayrat remain vacant or under construction. Wadi Saraf and Wadi At Tanim run through it and rainwater gathers on unfinished schemes, ihram shops, restaurants and coach stops along the Madinah road serve a constant flow of pilgrims, and villas fill Al Hamra and Umm Al Jud.

Questions about this district

The hospital here shares a water tank with apartment blocks. Is that a problem?

Yes, it can be. The hospital draws water in quantities an ordinary house never anticipates. If one tank serves everyone, apartment water can cut when hospital demand spikes. The solution is a separate hospital tank or an additional residential tank.

The hotel water cuts off at peak times when pilgrims arrive. Why?

The hotel and building draw from a single tank that may not sustain the pumping rate required. The pilgrim centre moves whole groups at once, and hotels fill bathrooms fast. The tank drains faster than the mains can refill it.

Water across the whole district turns cloudy at the same time. Is there one tank?

Yes, if a central tank serves the whole district, cloudy water means the tank itself has a problem. We inspect the tank and check for cross connection with old sewage pipes mixing into drinking water.

The public park draws water from the hospital tank. Does that affect patients?

It can. The park may draw water volumes that cut hospital pressure. The solution is a separate park tank or set irrigation times outside hospital peak hours.

Does a hospital tank need different cleaning than a residential tank?

Yes, completely different. Hospital tanks need higher cleanliness standards and disinfection protocols. We inspect every corner and ensure the water is perfectly clean before it returns to service.

The tomb of Maymunah bint Al Harith is near the apartments. Does it affect water?

The tomb is a historical monument and has no direct effect on water, but if many visitors gather there, the pressure on the network nearby may spike, affecting a tank close to the site.

How much does water tank cleaning in An Nawwariyah cost?

It is set after the inspection, because the price follows the type of infestation, the size of the space, how far it has spread and the number of visits it needs. Send a photo and a description on WhatsApp and we will give you an estimate before we reach An Nawwariyah.