High water bill in Al Hzm, Riyadh: before summer & rain season

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

Why high water bill differs in Al Hzm

The centre of Al Hzm is at 24.5473, 46.6536, about 18.6 km from the centre of Riyadh, with an approximate radius of 1.2 km. The approximate area shown on the map is centred here. Main roads in or near Al Hzm: Dirab Road, Najm al-Din al-Ayyubi Street, Al Sahra Road.

The nearest wadi channel is about 0.8 km from the centre of Al Hzm (OpenStreetMap). The centre of Al Hzm sits about 676 m above sea level (SRTM open elevation data).

Al Hzm sits at 24.5473, 46.6536, roughly 18.6 km from the centre of Riyadh, and its built-up core spans an approximate radius of 1.2 km. That compact footprint means most homes here are reached by the same local network and feed the same storage tanks, so a fault or a dirty tank in one house can show up as a pressure or taste problem for neighbours too. For owners, the practical lesson is that a high bill is rarely only about one fixture. Check the whole supply chain, from the street connection through the rooftop or ground tank to the taps, before assuming the cause is a single appliance.

The centre of Al Hzm is about 676 m above sea level, and the nearest wadi channel lies about 0.8 km away. Elevation affects how water is pushed up to roofs, so households that rely on booster pumps may run them harder and longer to keep flow steady, which quietly adds to the bill. The nearby wadi matters in a different way: during the rain season, runoff moves quickly through low channels, and dust and silt are carried into tanks and open storage through vents and loose lids. Dirty water then leads to frequent flushing, filter changes and extra pumping. Keeping tank lids sealed, checking vents after storms, and checking the float valve for leaks all reduce the water wasted in these conditions.

Owners in Al Hzm often avoid a few predictable errors. Many leave a leaking overflow running for weeks, assuming it is normal, when it steadily adds volume to every billing cycle. Others wait for the first warm days to inspect tanks, when a cleaning and inspection before summer and before the rain season would catch cracked seals and corroded fittings early. Some also budget only for cleaning and ignore internal coating, which is priced per square metre at SAR 25–65 per m² and can slow corrosion that otherwise lets water escape. Finally, many ignore a sudden jump in consumption and simply pay it; comparing the reading against the previous month is the quickest way to find a hidden leak before it becomes an expensive habit.

Checks before summer and before the rain season catch problems while they are still small.

Signs that call for high water bill

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

• The tank fills more often than before
• The meter moves at night
• A sudden jump in the bill without a clear reason

Causes we see in the field

• A common cause: a leaking toilet cistern.
• A silent leak in the network — we check this before anything else.
• A common cause: a float valve that does not close.

Tools and methods, and when we use them

From the first visit to the report

1. Two meter readings: Readings are taken with all use stopped, some time apart.
2. Cisterns and float valve: The usual silent causes are checked first.
3. Instrument survey: If the loss continues, the network is surveyed with instruments.
4. Report: You receive the readings in writing.

Facts and costs — Al Hzm

Questions from Al Hzm

Common mistakes we see

• Waiting for the next bill instead of testing the meter

The written outputs

You receive: a report with the readings to support your follow-up on the bill, in a technical report with a verification code.