How do I choose a water tank supplier in the UAE?

Look for UAE Municipality certification, a physical warehouse address, and stock across multiple tank types. Khazzan.ae supplies certified PVC plastic, GRP fiberglass, insulated, underground, septic and panel tanks from our Al Qouz warehouse, delivered across all 7 emirates. Call or WhatsApp +971509583173.

Where can I buy a water tank in UAE?

Order directly at https://khazzan.ae or by calling/WhatsApp +971509583173. Delivery covers Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, and Umm Al Quwain.

What sizes of water tanks are available in UAE?

Sizes run from 50 US Gallons (190 Liters) up to 20,000 US Gallons (75,700 Liters). PVC plastic tanks cover 50 - 6,000 USG, GRP fiberglass covers 300 - 20,000 USG, and panel tanks are available in custom sizes beyond that.

Are Khazzan's water tanks food-safe and municipality approved?

Yes. Every tank is manufactured from food-grade, non-toxic materials approved for potable water storage, carries UAE Municipality Certification, and is sourced from ISO 9001:2015 compliant manufacturers.

What does a water tank cost in Dubai?

Pricing depends on material and capacity. WhatsApp +971509583173 or visit khazzan.ae for current pricing against your required size.

What warranty comes with a Khazzan tank?

PVC plastic tanks carry a 5-year manufacturer warranty, GRP fiberglass and panel tanks carry 2 years, and GRP septic tanks carry 1 year. All tanks hold UAE Municipality Certification.

What is a GRP septic tank?

A GRP (Glass Reinforced Plastic) septic tank is a septic tank manufactured from fibreglass composite material - glass fibre reinforcement bonded with chemical-resistant resin. GRP is the preferred material for UAE septic tanks because it is completely corrosion-resistant, watertight, resistant to hydrogen sulphide (the corrosive gas produced in sewage environments), lightweight for installation, and rated for underground burial in UAE soil conditions. GRP septic tanks are the standard specification in UAE, replacing older concrete and steel tank types.

What is the difference between a single-chamber and two-chamber septic tank?

A single-chamber septic tank has one compartment that handles primary settlement - solids sink to the bottom, oils float, and clarified effluent exits through the outlet. A two-chamber (dual-chamber) septic tank has a primary chamber for initial settlement followed by a second chamber for further clarification before discharge. Two-chamber tanks produce cleaner effluent, which matters when the discharged water needs to meet specific quality standards for soakaway systems or where groundwater protection is a concern. For simple residential applications with municipal desludging service, single-chamber is typically adequate. Two-chamber is recommended for larger installations, sites with soakaway discharge, or where municipality requires better treatment quality.

What size septic tank do I need?

The right septic tank size depends on the number of occupants and the property type. General UAE guidelines: Studio/1-bedroom (2 persons): 300–500 USG. 2–3 bedroom villa (4–6 persons): 500–750 USG. 4–5 bedroom villa (6–8 persons): 750–1,000 USG. Small commercial/restaurant: 1,000–2,000 USG. Labour camp (50 persons): 2,000–5,000 USG. Large commercial or industrial: 5,000 USG and above. UAE Municipality guidelines typically specify a minimum tank capacity of 1 day's flow volume. Always confirm required size with your municipality before purchasing. Khazzan can advise on the correct size for your specific application.

How deep should a septic tank be buried?

In UAE, septic tanks are typically buried with the top of the tank 300–600mm below finished ground level, unless the site requires deeper installation for traffic loading or landscaping. The inlet and outlet pipes slope at a minimum 1:50 gradient to ensure flow. The installation depth should allow for access manhole covers to be accessible at or near finished ground level for maintenance. Underground tanks must have suitable backfill material and compaction around the tank to prevent soil movement and buoyancy. A professional installer will determine the correct burial depth for your site conditions.

How often does a septic tank need to be emptied?

In UAE, residential septic tanks typically need to be desludged (emptied) every 1–3 years depending on capacity and usage. Commercial and high-occupancy installations may require more frequent desludging - quarterly or bi-annually in some cases. Signs that a septic tank needs emptying: slow drains throughout the property, sewage smells near the tank or in the garden, effluent surfacing near the drainage field, or sewage backing up into the property. Regular desludging by a licensed UAE waste management contractor is required by law.

Can a septic tank be installed in UAE?

Yes. Septic tanks are widely used in UAE wherever mains sewage connection is unavailable. In areas without municipal sewer connections - farms, villas in non-sewered areas, construction sites, desert locations, some industrial areas - septic tanks are the approved on-site wastewater treatment solution. Installation requires compliance with UAE Municipality guidelines for tank size, distance from buildings and water sources, and connection to an approved soakaway or municipal collection service. Contact Khazzan to confirm the requirements for your specific emirate and location.

Is a GRP septic tank better than a concrete septic tank?

Yes, for most UAE applications. Concrete septic tanks are subject to significant disadvantages: concrete corrodes rapidly in the hydrogen sulphide environment of sewage - causing structural failure within 5–15 years without expensive protective coating. Concrete is prone to cracking under soil movement and UAE's hot climate conditions. Concrete tanks are extremely heavy, requiring crane installation. Concrete absorbs moisture and may allow infiltration/exfiltration. GRP is immune to all of these issues: corrosion-resistant, watertight, lightweight, and structurally stable for underground burial. GRP has largely replaced concrete for new septic tank installations in UAE.

What maintenance does a septic tank need?

Regular septic tank maintenance includes: Desludging (emptying) every 1–3 years by a licensed contractor. Annual inspection of access covers, inlet/outlet fittings, and baffle condition. Keep heavy vehicles off the area above the tank. Do not plant trees or deep-rooted plants over the tank or drainage field. Do not pour cooking oils, harsh chemicals, antibiotics, or non-biodegradable materials down drains - these disrupt the biological treatment process. Do not flush wet wipes, sanitary products, or plastics. Report any signs of odour, leakage, or slow drainage immediately.

Can I connect a septic tank to the mains sewer later?

Yes. If mains sewer connection becomes available in your area after your septic tank installation, you can connect your property's waste drainage system to the main sewer and decommission the septic tank. The old tank should be properly decommissioned - emptied and cleaned by a licensed contractor, then either removed or filled with inert material (sand/concrete) to prevent future subsidence. Contact your UAE municipality for guidance on the connection process and decommissioning requirements.

Do I need planning permission to install a septic tank in UAE?

Yes. In UAE, installation of an on-site wastewater treatment system (septic tank) typically requires approval from the relevant emirate municipality - Dubai Municipality, Abu Dhabi Municipality, Sharjah Municipality, etc. Requirements vary by emirate and site. Generally you will need to submit a site plan showing tank location, distance from buildings and water sources, and drainage system design. Khazzan can advise on the documentation required for your project and emirate.

How far should a septic tank be from a house?

UAE Municipality guidelines typically require: minimum 3 metres from the building foundation. Minimum 15 metres from any well or water borehole. Minimum 3 metres from the property boundary. Minimum 1.5 metres from any underground utilities. The septic tank should be downhill from any drinking water sources. Specific distances vary by emirate - always confirm requirements with your local municipality before installing.

What happens to the wastewater from a septic tank?

In a GRP septic tank, raw sewage enters the inlet and undergoes primary settlement: heavy solids sink to the bottom (sludge), oils and fats float to the top (scum layer), and the clarified liquid in the middle (effluent) flows out through the outlet. In a two-chamber tank, this clarified effluent passes to a second chamber for further treatment. The treated effluent is then discharged to: a soakaway/drainage field (where permitted), a municipal wastewater collection tanker service, or in some cases a sand filter or reed bed for further treatment before discharge.

Can a septic tank be used for a restaurant or commercial kitchen?

Yes, but with important considerations. Commercial kitchens generate high volumes of fats, oils, and grease (FOG) which can rapidly clog septic tank baffles and drainage fields. A grease trap (grease interceptor) must be installed upstream of the septic tank to capture cooking oils before they enter the system. Commercial kitchen effluent also has a higher organic load, requiring a larger tank capacity than equivalent domestic flow. Khazzan can advise on the correct specification for restaurant and commercial kitchen applications.

What is a grease trap and do I need one?

A grease trap is a plumbing device installed between kitchen drainage and the septic tank or sewer that intercepts fats, oils, and grease before they enter the wastewater system. In UAE, grease traps are required by municipality for all food service establishments - restaurants, cafés, hotel kitchens, canteens, and food processing facilities. Without a grease trap, cooking oils solidify in the septic tank and drainage pipework, causing blockages and system failure. Khazzan supplies GRP grease traps in multiple sizes - contact us for sizing advice for your kitchen volume.

How does a septic tank smell?

A correctly functioning and properly installed GRP septic tank should produce no odour at ground level. The watertight GRP construction seals sewage gases inside the tank. Venting should be provided through the property's vent stack to release gases safely above roof level, not near ground level or windows. If you can smell sewage near the tank, this indicates: a damaged or improperly sealed access cover, a cracked or damaged tank, an overfull tank requiring desludging, or an inadequate vent arrangement. Contact Khazzan or a licensed plumber for inspection.

What is the difference between a septic tank and a cesspit?

A septic tank treats wastewater through biological settlement - solids settle out and the clarified effluent is discharged to a soakaway or collection point. The liquid flows through and the tank handles ongoing throughput. A cesspit (cesspool) is simply a sealed underground storage vessel - all wastewater is stored until emptied by a desludging tanker. No treatment occurs. Cesspits require much more frequent emptying (typically monthly for residential use) and have much higher ongoing running costs. GRP septic tanks are a more cost-effective long-term solution than cesspits for permanent installations.

Can a septic tank handle laundry water?

Yes. All household wastewater - from toilets, sinks, showers, and washing machines - can discharge to the septic tank. However, laundry water contains detergents that can inhibit the biological activity in the septic tank if used in very large quantities. Use biodegradable detergents where possible, avoid antibacterial products in large quantities, and spread laundry loads throughout the week rather than doing all washing on one day. Fabric softeners and bleaches should be used sparingly.

What is the warranty on a GRP septic tank?

GRP septic tanks supplied by Khazzan carry a 1-year manufacturer's warranty against defects in materials and workmanship. The shorter warranty compared to potable water tanks (which carry 5 years for PE, 2 years for GRP) reflects the more aggressive chemical environment of sewage applications. With proper installation and regular maintenance, GRP septic tanks provide many years of service well beyond the warranty period.

Can a septic tank be installed on a construction site?

Yes. GRP septic tanks are commonly used as temporary sanitation solutions on UAE construction sites where mains sewage is not yet available. They can be installed quickly, provide immediate sanitation for site workers, and can be emptied by a licensed waste tanker as required. For construction site applications, tank sizing should account for peak site occupancy. Contact Khazzan for fast-delivery construction site septic tank solutions.

How much does a septic tank cost in UAE?

GRP septic tank prices in UAE depend on tank capacity, single or two-chamber configuration, and delivery location. As a general guide: small residential tanks (300–500 USG) are the most affordable; larger commercial and industrial tanks (5,000–20,000 USG) are priced accordingly. Installation cost (excavation, bedding, backfill, pipework) is separate from the tank cost and depends on site conditions. Contact Khazzan via WhatsApp for a current price on your required capacity and configuration.

Do septic tanks attract pests?

A correctly installed and maintained GRP septic tank should not attract pests. The watertight construction prevents access. Ensure access covers are tightly sealed at all times. If you notice pest activity near the tank, it may indicate a damaged cover, a crack in the tank, or a problem with the inlet/outlet pipework. Inspect and repair any damage immediately. Regular desludging prevents overfilling, which can attract pests and cause odour problems.

Can a septic tank be used for a labour camp in UAE?

Yes. GRP septic tanks are widely used for UAE labour camp sanitation where mains sewage connection is unavailable. For labour camps, sizing must account for peak occupancy - typically 90–150 litres per person per day of wastewater flow. A camp of 100 workers, for example, requires a tank sized for 9,000–15,000 litres per day flow as a minimum. Two-chamber tanks are recommended for large labour camp applications. Contact Khazzan with your camp capacity for a sizing recommendation.

What chemicals should not go into a septic tank?

The following should never enter a septic tank system: Bleach in large quantities (kills beneficial bacteria). Antibacterial cleaners and disinfectants. Paint, solvents, and motor oils. Pesticides and herbicides. Large quantities of antibiotics (passed through urine). Nappies, wet wipes, sanitary products, and plastics (will block the system). Cooking oils and fats in large quantities (use a grease trap). These materials either kill the bacteria needed for treatment, physically block the system, or contaminate the effluent beyond acceptable discharge limits.

How long does a septic tank last?

A quality GRP septic tank, properly installed and regularly maintained (desludged every 1–3 years), has a service life well in excess of 10–15 years in UAE conditions. The GRP material does not corrode in the sewage environment the way concrete and steel do - it is specifically chosen for its long-term resistance to hydrogen sulphide and organic acids in wastewater. The 1-year warranty is a manufacturer's defect guarantee, not a prediction of service life.

Is a septic tank the same as a sewage treatment plant?

No. A septic tank provides primary treatment only - physical separation of solids and liquids through settlement. The effluent from a septic tank still contains significant biological contamination and requires further treatment (soakaway, reed bed) before it meets discharge standards for surface water or groundwater. A sewage treatment plant (STP) provides secondary or tertiary treatment using biological and sometimes chemical processes to produce effluent that meets specific discharge standards - sometimes clean enough for irrigation reuse. For small residential applications in UAE, a properly sized septic tank with soakaway is generally adequate. For larger commercial applications with discharge quality requirements, an STP may be required.

Why choose Khazzan for septic tanks in UAE?

Khazzan supplies UAE Municipality compliant GRP septic tanks from certified manufacturers, with competitive pricing, fast delivery across all 7 UAE emirates, and expert advice on tank sizing, configuration, and installation requirements. We supply single-chamber and two-chamber tanks from 300 USG to 20,000 USG, plus custom sizes for large projects. WhatsApp or call us for a free quotation with no obligation.

Can a septic tank overflow?

Yes - a septic tank that is not desludged regularly will accumulate sludge until the effective treatment volume is severely reduced. When sludge levels rise too high, solids carry over into the outlet and block the drainage system. Signs of overflow or overfull condition: multiple slow drains in the property, gurgling sounds from drains, sewage smells indoors or near the tank, wet areas or lush green grass patches above the drainage field. If you notice these signs, arrange urgent desludging by a licensed UAE waste contractor.

Does a septic tank need electricity?

A standard passive GRP septic tank operates entirely without electricity. Wastewater flows by gravity from the property to the tank, treatment occurs through natural bacterial action and physical settlement, and effluent flows by gravity to the drainage point. No pumps or electrical connections are required for a standard installation. For sites where gravity flow is not possible, a sewage ejector pump may be required in the drainage line - this is separate from the tank itself.

Can trees be planted near a septic tank?

No. Tree and large shrub roots actively seek moisture and will penetrate septic tank fittings, access covers, and drainage field pipework if planted too close. This causes blockages, damage to pipework, and potentially structural damage to the tank and distribution system. Maintain a minimum 3–5 metre clearance from trees with aggressive root systems. Shallow-rooted groundcovers, grass, and ornamental plants are acceptable over the drainage field area.

Septic tank UAE: GRP septic tanks from Khazzan.ae

UAE Municipality Compliant · Single & Two-Chamber · Underground Rated

Septic Tank UAE: GRP Septic Tanks, 300 to 20,000 USG

Name: Khazzan - Water Tanks UAE
Address: Al Qouz Industrial Area 3, Dubai, 00000, AE
Telephone: +971509583173
Price range: AED 200 - AED 50,000

Looking for a septic tank in UAE? Khazzan supplies UAE Municipality compliant GRP (Glass Reinforced Plastic) septic tanks for residential, commercial, labour camp, and industrial wastewater treatment across all 7 UAE emirates. Available in single-chamber and two-chamber configurations from 300 USG to 20,000 USG, with custom sizes for large-scale projects.

300–20,000 USGSingle & Two-ChamberUnderground Rated1-Year Warranty

What is a Septic Tank? GRP Septic Tanks Explained

A septic tank is an underground wastewater treatment system that collects and partially treats sewage from a property through a process of physical settlement and natural biological action. In UAE, septic tanks are the approved solution for on-site wastewater management wherever mains sewage connection is unavailable - residential villas, farms, remote desert sites, labour camps, and construction sites.

Khazzan's septic tanks are manufactured from GRP (Glass Reinforced Plastic) - also known as fibreglass. GRP is the preferred material for UAE septic tanks because it is completely resistant to the corrosive hydrogen sulphide gas produced in sewage environments, unlike concrete which corrodes and fails within 5–15 years. GRP is also watertight by construction - preventing sewage seeping into surrounding soil and groundwater contamination into the tank.

We supply both single-chamber (primary settlement) and two-chamber (primary + secondary treatment) configurations, sized for everything from a 2-person studio to a 500-person labour camp.

Single-Chamber Septic Tank

One compartment handles primary settlement. Solids sink to the bottom (sludge), fats float to the top (scum), and clarified effluent exits through the outlet. Suitable for residential applications with regular desludging service.

300 USG – 5,000 USG

Two-Chamber Septic Tank

Primary chamber for initial settlement, second chamber for further clarification. Produces cleaner effluent - recommended for larger installations, soakaway discharge, or where municipality requires better treatment quality.

1,000 USG – 20,000 USG

How a Septic Tank Works

Wastewater enters the septic tank through the inlet pipe from toilets, sinks, showers and washing machines.
Solids settle to the bottom as sludge, while oils and grease float to the top as scum.
Bacteria break down part of the waste in the tank, which reduces the volume of solids.
Clarified liquid leaves through the outlet to a soakaway, drainage field or tanker collection, as approved by the municipality.
Sludge is removed by a licensed contractor every 1 to 3 years through the access manhole.

Septic Tank Size Guide

Property	Septic tank size
Studio or 1 bedroom (about 2 people)	300 to 500 USG
2 to 3 bedroom villa (4 to 6 people)	500 to 750 USG
4 to 5 bedroom villa (6 to 8 people)	750 to 1,000 USG
Small commercial or restaurant	1,000 to 2,000 USG
Labour camp (about 50 people)	2,000 to 5,000 USG
Large commercial or industrial	5,000 USG and above

General guide only. Confirm the required capacity with your municipality, or ask Khazzan for a sizing recommendation.

Available Sizes

300–20,000 USG (1,135–75,708 Liters) · Custom sizes available

Custom sizes available for large industrial and infrastructure projects - contact Khazzan with your project requirements.

Technical Specifications

Material	Glass Reinforced Plastic (GRP) - high-strength corrosion-resistant composite
Inner Surface	Chemical-resistant resin lining - designed for wastewater and sewage environments
Outer Surface	UV resistant gel coat for above-ground and burial applications
Single-chamber Sizes	300 USG to 5,000 USG (1,135L to 18,927L)
Two-chamber Sizes	1,000 USG to 20,000 USG (3,785L to 75,708L)
Custom Sizes	Available - contact Khazzan for large and non-standard requirements
Tank Type	Single-chamber and two-chamber (primary + secondary treatment)
Installation	Underground burial - reinforced for soil load and groundwater pressure
Fittings	Inlet, outlet, inspection access, sealed manhole cover
Compliance	UAE Municipality compliant for wastewater treatment systems
Warranty	1 year from date of installation
Application	Residential sewage · Commercial wastewater · Labour camps · Remote sites

Benefits of GRP Septic Tanks

Underground-Rated Construction

GRP septic tanks are engineered for below-ground installation, with reinforced wall construction designed to withstand soil overburden pressure and groundwater buoyancy in UAE ground conditions.

Completely Watertight

GRP construction is inherently watertight - no seepage of sewage into surrounding soil, no groundwater infiltration into the tank. Prevents contamination of soil and groundwater.

Hydrogen Sulphide Resistant

The anaerobic sewage environment produces corrosive hydrogen sulphide gas. GRP's chemical-resistant inner lining handles this environment without degradation - unlike concrete, which corrodes rapidly.

No Odour Leakage

Watertight sealed construction with odour-sealed access covers prevents sewage gases from escaping into the surrounding area - critical for residential and commercial installations near occupied spaces.

Single and Two-Chamber Options

Single-chamber tanks provide primary settlement and storage. Two-chamber tanks provide primary and secondary treatment - better effluent quality for discharge or soakaway applications.

Lightweight vs Concrete

GRP septic tanks are significantly lighter than concrete alternatives, making delivery and installation simpler. No crane typically required for residential sizes - reduces installation cost and complexity.

Long Service Life

GRP does not rust, corrode, or biodegrade. Unlike concrete, it does not crack under freeze-thaw cycles, does not absorb water, and does not require waterproof coating treatments.

Fast Installation

Factory-manufactured to finished specification - delivered ready to install. No on-site concrete pouring, curing time, or specialist construction required. Installation can typically be completed in one day for residential sizes.

UAE Municipality Compliant

All Khazzan GRP septic tanks are compliant with UAE Municipality requirements for on-site wastewater treatment systems across all seven emirates.

Suitable for Remote Sites

Where mains sewage connection is unavailable - desert sites, farms, labour camps, temporary installations - GRP septic tanks provide an immediate, self-contained wastewater solution.

Custom Sizes Available

For large industrial, infrastructure, or multi-building applications, custom-manufactured GRP septic tanks can be fabricated to project-specific capacity and configuration requirements.

Accessible for Maintenance

Standard access manholes and inspection ports on all sizes allow for desludging, inspection, and maintenance without excavating or removing the tank.

Applications

GRP septic tanks are used across all sectors in UAE wherever mains sewage is unavailable:

✔ Residential Villas

✔ Apartment Buildings

✔ Labour Camps

✔ Staff Accommodation

✔ Restaurants & Cafés

✔ Retail Outlets

✔ Commercial Offices

✔ Schools & Nurseries

✔ Construction Sites

✔ Remote Desert Sites

✔ Farms & Agricultural Land

✔ Industrial Facilities

✔ Service Stations

✔ Mosques

✔ Temporary Event Sites

GRP vs Concrete Septic Tanks

Factor	GRP Fiberglass	Concrete
H₂S corrosion resistance	✔ Fully resistant	✗ Corrodes within 5–15 years
Watertight	✔ By construction	Requires coating - can crack
Weight	Lightweight - easy install	Very heavy - crane required
Installation time	1 day typically	Days to weeks
Cracking risk	✔ None	High in UAE soil movement
Long-term maintenance	Low - inspect and desludge	Waterproofing retreatment needed
Custom sizes	✔ Any capacity	Possible but expensive
Recommended for UAE	✔ Yes - standard spec	Not recommended for new builds

Frequently Asked Questions

Everything people ask about septic tanks in UAE - answered.

Septic Tank Guides

Septic Tank Cleaning UAE →GRP Septic Tank Lifespan →Custom Vertical Septic Tanks →How to Install a 20,000 USG Septic Tank →

Related Products

GRP Fiberglass Water Tanks →Underground Water Tanks →PVC Plastic Water Tanks →Panel Tanks →

Get a Quote Today

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