Underground tank leak detection in Al Mhmdya, Riyadh: without breaking

Prepared by the technical team · editorial review · last updated 13 November 2026 · Sources

Before we start: what we know about Al Mhmdya

The centre of Al Mhmdya is at 24.7326, 46.6503, about 3.3 km from the centre of Riyadh, with an approximate radius of 2 km. The service-area circle on the map below is drawn from this point. The centre of Al Mhmdya sits about 625 m above sea level (SRTM open elevation data).

The nearest wadi channel is about 1.9 km from the centre of Al Mhmdya (OpenStreetMap). Main roads in or near Al Mhmdya: King Fahd Road, King Abdullah Road, Al Takhassusi Road.

Al Mhmdya sits at 24.7326, 46.6503, roughly 3.3 km from the centre of Riyadh, with an approximate radius of 2 km. That makes it a compact, largely residential district close enough to the city core that many homes and small commercial plots rely on underground storage, yet far enough out that surface conditions differ from the dense centre. For a tank leak detection visit, this location means our technicians plan access around local streets and plot layouts, and they confirm the exact tank position on your property before any testing begins. Knowing the footprint of the area also helps us estimate how much ground may need to be checked around a suspected leak.

The centre of Al Mhmdya sits about 625 m above sea level, and the nearest wadi channel lies about 1.9 km from the centre. Elevation matters because it influences how groundwater and surface water move across the land, which in turn affects how a leak can spread into the surrounding soil. The nearby wadi channel is a reminder that seasonal water flow can carry contamination away from a site, so our inspections look beyond the tank itself to the surrounding soil and any drainage paths. In practice, this means we pay attention to moisture patterns and the direction of slope when interpreting test readings, rather than relying on a single measurement taken at the tank.

Many owners in the area make the same avoidable errors. They wait until a fuel smell or a sudden drop in stock forces action, rather than testing on a regular schedule. They assume a tank is sound because nothing shows above ground, and they overlook corrosion on pipework and fittings, which is often where leaks start. Some also delay repairs to the internal lining, forgetting that tank internal coating typically costs SAR 25–65 per m², so addressing a defect early is usually far less expensive than replacing a neglected tank. Finally, owners sometimes choose a service without checking that the technician explains the method, the findings, and the next steps in plain terms before any work proceeds.

The aim is to locate the cause with instruments first, so any opening is limited to one point.

Signs worth paying attention to

If you notice one of these signs in Al Mhmdya, it is a good moment to talk to the team:

• The tank needs refilling faster than usual
• Damp or salt marks on the tiles above the tank
• A noticeable drop in the water level overnight

Causes we see in the field

• Construction joints and corners.
• Cracks in the concrete tank walls or floor.
• A common cause: a float valve that does not close, so water is wasted.

Tools we use in Al Mhmdya

How the work is done, step by step

1. Safety first: Tank lids and confined spaces are handled with ventilation and a second person on site.
2. Documented level test: Filling and use are stopped and the level is recorded against time.
3. Isolating the tank from the network: This tells us whether the loss is from the tank body or from the supply line.
4. Checking the body and connections: Inlet, outlet and overflow connections are inspected.
5. Recommendation: You get the next step in writing: repair, waterproofing or a line test.

Facts and costs — Al Mhmdya

Short answers for Al Mhmdya

Mistakes that cost more

• Waterproofing the tank before confirming the loss is from the tank and not the line
• Ignoring the float valve

The written outputs

The written output: the written level-test result and the recommended next step. The report is numbered and can be checked with its verification code.