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Clark Water Tanks

Since 1997, Clark Tanks have been making superior-quality, heavy duty poly water tanks. Starting with just one factory in Dalby, Queensland, Clark Tanks have grown into Australia’s largest poly water tank company.

clark-tanks-logoToday, Clark Tanks have five factories- at Dalby and Brisbane in Queensland, Bathurst in NSW, and Moama and Melbourne in Victoria.

Clark Tanks water tanks offer you high quality, competitive pricing and excellent features. The features include…

  • Secure one-piece construction, with no side seams
  • Smooth-ribbed profile for greater strength
  • Thicker walls at base for greater strength
  • High-level overflows for maximum water storage
  • Superior self-supporting roof design- no support poles required
  • Made from pure food-grade polyethylene
  • Made to Australian Standards for food and water storage
  • Manufactured to Australian Standard AS/NZS: 4766 for Polyethylene Water Tanks
  • Pro-rata warranties: 25 years on round tanks, 12 on underground, 10 on slimlines
  • Clark Tanks are proudly Australian-owned and Australian-made

Clark Tanks Small To Mid-Sized Tank Range

Clark offers dozens of water tank models in their range, in round and slimline tank styles.

Clark 1022 Litre Water Tank (CT225)

This smaller tank is low cost, and perfect for smaller applications, such as watering the garden, washing the car, outside cleaning or similar tasks.

Clark Water Tanks in Australia - 1022 Litre Tank Capacity - Model CT225
Capacity1,022 Litres (225 gallons)
AvailabilityQLD (Dalby)VIC (Moama)
Height1,680 mm1,070 mm
Inlet Height1,680 mm1,070 mm
Diameter960 mm1,180 mm

Clark 2000 Litre Water Tank (CT440)

Use this handy rainwater tank to collect water for washing laundry, irrigating the garden, washing the car, or other household needs.

Clark Water Tanks in Australia - 9092 Litre Tank Capacity - Model CT2000
Capacity2000 Litres (440 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height1,980 mm2,000 mm1,980 mm
Inlet Height1,980 mm2,000 mm
1,980 mm
Diameter1,200 mm1,200 mm
1,200 mm

Clark 2614 Litre Water Tank (CT575)

Use this tank for irrigating the garden, washing the car, or other household needs.

Clark Water Tanks in Australia - 2614 Litre Tank Capacity - Model CT575
Capacity2614 Litres (575 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height1,670 mm1,730 mm1,670 mm
Inlet Height1,670 mm1,730 mm1,670 mm
Diameter1,450 mm1,440 mm1,450 mm

Clark 3000 Litre Water Tank (CT660)

This mid-size Clark tank is the perfect size for for irrigating the garden, washing the car, and other household uses.

Capacity3000 Litres (660 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height1,980 mm2,100 mm1,980 mm
Inlet Height1,980 mm2,100 mm1,980 mm
Diameter1,470 mm1,440 mm1,470 mm

Clark 4500 Litre Water Tank (CT1000 Squat)

This Clark tank is the perfect size for irrigating the garden, washing the car, and outdoor cleaning.

Due to its size, this tank is also fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

Clark Water Tanks in Australia - 4500 Litre Tank Capacity - Model CT1000 Squat
Capacity4500 Litres (1000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)
Height1,520 mm1,520 mm
Inlet Height1,400 mm1,400 mm
Diameter2,140 mm2,140 mm

Clark 5000 Litre Water Tank (CT1100)

This Clark tank is the perfect size for irrigating the garden, washing the car, and outdoor cleaning.

Due to its size, this tank is also fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

Clark Water Tanks in Australia - 5000 Litre Tank Capacity - Model CT1100
Capacity5000 Litres (1100 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,170 mm2,190 mm2,250 mm
Inlet Height2,050 mm2,150 mm2,050 mm
Diameter1,840 mm1,820 mm1,900 mm

Clark 5000 Litre Water Tank (CT1100 Squat)

This Clark tank is the perfect size for irrigating the garden, washing the car, and outdoor cleaning.

Due to its size, this tank is also fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

Clark Water Tanks in Australia - 5000 Litre Tank Capacity - Model CT1100 Squat
Capacity5000 Litres (1100 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height1,715 mm1,750 mm1,740 mm
Inlet Height1,520 mm1,660 mm1,570 mm
Diameter2,100 mm2,100 mm2,100 mm

Clark 9092 Litre Water Tank (CT2000)

Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household. It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 9092 Litre Tank Capacity - Model CT2000
Capacity9092 Litres (2000 gallons)
Available LocationsQLD (Dalby)
Height2,410 mm
Inlet Height2,170 mm
Diameter2,370 mm

Clark 9546 Litre Water Tank (CT2100 Squat)

This is a solid, capably-sized tank with broad application. Due to it’s size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 9546 Litre Tank Capacity - Model CT2100 Squat
Capacity9546 Litres (2100 gallons)
Available LocationsQLD (Dalby)VIC (Moama)
Height1,580 mm1,690 mm
Inlet Height1,330 mm1,330 mm
Diameter3,090 mm3,090 mm

Clark Tanks Large Water Tank Range

Clark 10,000 Litre Water Tank (CT2200)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 10,000 Litre Tank Capacity - Model CT2200
Capacity10,000 Litres (2,200 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,100 mm2,100 mm2,100 mm
Inlet Height1,975 mm2,020 mm2,020 mm
Diameter2,620 mm2,630 mm2,630 mm

Clark 13,638 Litre Water Tank (CT3000)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 13,638 Litre Tank Capacity - Model CT3000
Capacity13,638 Litres (3,000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,590 mm2,650 mm2,650 mm
Inlet Height2,320 mm2,400 mm2,330 mm
Diameter2,860 mm2,860 mm2,810 mm

Clark 15,900 Litre Water Tank (CT3500)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 15,900 Litre Tank Capacity - Model CT3500
Capacity15,900 Litres (3,500 gallons)
Available LocationsQLD (Dalby)
Height3,300 mm
Inlet Height3,115 mm
Diameter2,620 mm

Clark 22,730 Litre Water Tank (CT5000)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 22,730 Litre Tank Capacity - Model CT5000
Capacity22,730 Litres (5,000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,700 mm2,860 mm2,650 mm
Inlet Height2,430 mm2,400 mm2,340 mm
Diameter3,680 mm3,650 mm3,560 mm

Clark 22,730 Litre Water Tank (CT5000 DNR)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 22,730 Litre Tank Capacity - Model CT5000 (DNR)
Capacity22,730 Litres (5,000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)
Height2,900 mm2,900 mm
Inlet Height2,430 mm2,570 mm
Diameter3,500 mm3,500 mm

Clark 23,639 Litre Water Tank (CT5200 Squat)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 23,639 Litre Tank Capacity - Model CT5200 Squat
Capacity23,639 Litres (5,200 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,150 mm2,300 mm2,390 mm
Inlet Height2,000 mm2,000 mm2,000 mm
Diameter4,100 mm4,150 mm4,100 mm

Clark 25,000 Litre Water Tank (NP25000L)

This next generation model is actually from the National Poly range. It is a large, sleekly-designed tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 25,000 Litre Tank Capacity - Model NP25000L
Capacity25,000 Litres (6,600 gallons)
Available LocationsQLD (Dalby)
Height2,500 mm
Inlet Height2,250 mm
Diameter3,800 mm

Clark 31,822 Litre Water Tank (CT7000)

This is a large, capably-sized tank with broad application. Due to its size, this tank is fantastic for connection to your existing plumbing to filter and use with drinking, laundry, bathroom use, and elsewhere in the household.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 31,822 Litre Tank Capacity - Model CT7000
Capacity31,822 Litres (7,000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,980 mm2,850 mm3,010 mm
Inlet Height2,640 mm2,560 mm2,580 mm
Diameter4,140 mm4,150 mm4,120 mm

Clark 36,363 Litre Water Tank (CT8000)

This large-capacity tank is ideal for those who rely on rainwater as their only supply for household use–drinking, laundry, bathroom use, and elsewhere in the household. It features inlet strainer, overflow strainer, outlet and gate valve up to 2” as standard equipment.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 36,383 Litre Tank Capacity - Model CT8000 Squat
Capacity36,363 Litres (8,000 gallons)
Available LocationsQLD (Dalby)
Height2,750 mm
Inlet Height2,520 mm
Diameter4,570 mm

Clark 46,817 Litre Water Tank (CT10000)

This large-capacity tank is ideal for those who rely on rainwater as their only supply for household use–drinking, laundry, bathroom use, and elsewhere in the household. It features inlet strainer, overflow strainer, outlet and gate valve up to 2” as standard equipment.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

Clark Water Tanks in Australia - 46,817 Litre Tank Capacity - Model CT10000
Capacity46,817 Litres (10,000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height3,440 mm3,100 mm3,340 mm
Inlet Height3,170 mm2,900 mm2,950 mm
Diameter4,630 mm4,550 mm4,590 mm

Clark 50,050 Litre Water Tank (CT11000)

This large-capacity tank is ideal for those who rely on rainwater as their only supply for household use–drinking, laundry, bathroom use, and elsewhere in the household. It features inlet strainer, overflow strainer, outlet and gate valve up to 2” as standard equipment.

It’s also great for irrigating the garden, washing the car, and outdoor cleaning.

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Capacity50,050 Litres (11,000 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)
Height3,460 mm3,420 mm
Inlet Height3,460 mm3,030 mm
Diameter4,400 mm4,400 mm

Clark Slimline Water Tank Range

Slimline water tanks are ideal for small footprints and a low-profile look. They work well on the against the side of a building, and can still hold a large capacity.

Clark 2,000 Litre Slimline Water Tank (CT-SL2000)

This tank fits nicely under a roof eave, against the side of a house.

Clark Water Tanks in Australia - 2,000 Litre Slimline Water Tank - CTSL2000
Capacity2,000 Litres (440 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height1,700 mm1,700 mm1,700 mm
Inlet Height680 mm680 mm680 mm
Diameter2,180 mm2,180 mm2,180 mm

Clark 3,000 Litre Slimline Water Tank (CT-SL3000)

This tank fits nicely under a roof eave, against the side of a house.

Clark Water Tanks in Australia - 3,000 Litre Slimline Water Tank - CT-SL3000
Capacity3,000 Litres (660 gallons)
Available LocationsQLD (Dalby)NSW (Bathurst)VIC (Moama)
Height2,000 mm2,000 mm2,000 mm
Inlet Height785 mm785 mm785 mm
Diameter2,570 mm2,570 mm2,570 mm

Clark 5,000 Litre Slimline Water Tank (CT-SL5000)

This tank fits nicely under a roof eave, against the side of a house.

Clark Water Tanks in Australia - 5,000 Litre Slimline Water Tank - CT-SL5000
Capacity5,000 Litres (1,100 gallons)
Available LocationsNSW (Bathurst)VIC (Moama)
Height2,100 mm2,100 mm
Inlet Height1,050 mm1,050 mm
Diameter3,300 mm3,300 mm

Clark 5,000 Litre Slimline Water Tank (CT-ST5000)

The Slimtech 5000 is a mid-capacity tank fits nicely under a roof eave, against the side of a house.

Clark Water Tanks in Australia - 5,000 Litre Slimline Water Tank - CT-ST5000
Capacity5,000 Litres (1,100 gallons)
Available LocationsQLD (Dalby)
Height1,980 mm
Inlet Height1,045 mm
Diameter2,755 mm

Benefits of Round Tanks

  • Manufactured from high quality food grade UV stabilised polyethylene (No BPA)
  • Will not change the taste or quality of your water.
  • PE tanks do not rust or corrode.
  • Come with quality Watermarked Fittings as standard.
  • Can be linked together for even greater storage capacity.
  • Superior design with tapered walls (above 5000 litre)
  • Once piece construction.
  • No vertical side seams
  • Proven history of long term use in the most demanding rural and urban applications

Other Ranges

Clark Water Tanks Over 10,000 Litres

Clark Slimline Water Tanks