Vertical Water Storage Tanks

Black, algae-resistant water tanks from Elkhart Plastics in 1,000, 1,500, 2,500 and 3,000 gallon sizes. Made in the USA from FDA-compliant HDPE with NSF/ANSI 61 certified resin, ready for rainwater harvesting, potable water and emergency storage. Questions about sizing? Call (866) 216-7996 or request a free quote.

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64 × 64 × 79 in
$1,399.99
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72 × 72 × 94 in
$1,649.99
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95 × 95 × 92 in
$1,932.99
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95 × 95 × 109 in
$2,236.99
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Built for Clean, Reliable Water Storage

Every tank is rotomolded in one seamless piece, so there are no seams or welds to leak.

⚫

Algae-Resistant Black

The opaque black wall blocks sunlight from entering the tank, which keeps algae from growing.

💧

Potable-Ready Resin

FDA-compliant HDPE with NSF/ANSI 61 certified resin, suitable for drinking water storage.

🔄

Fill Full, Drain Fully

The inlet sits at the top and an air bleed helps the tank fill completely. The outlet sits at the bottom for full drainage.

🛡️

Tough Tank Top

Large radii and thicker walls at the top help prevent collapsing in the sun.

🔓

Two 16" Manway Lids

Dual access points make top-down plumbing, filtered catchment and inspection easier.

📏

Gallon Indicators

Molded-in volume markers let you check your water level at a glance.

Tank Sizes

CapacityDiameterHeightFittings
1,000 gallons64"79"1.5" inlet, 2" outlet
1,500 gallons72"94"1.5" inlet, 2" outlet
2,500 gallons95"92"1.5" inlet, 2" outlet
3,000 gallons95"109"1.5" inlet, 2" outlet
Rainwater sizing tip: every inch of rain on 1,000 square feet of roof collects about 620 gallons. A 2,000 sq ft roof can fill a 1,000 gallon tank in less than one inch of rain.

Frequently Asked Questions

Can I store drinking water in these tanks?
Yes. The tanks are made from FDA-compliant HDPE with NSF/ANSI 61 certified resin. For a complete drinking water system, also use potable-rated fittings and plumbing, and follow any local codes.
Can I connect more than one tank?
Yes. Tanks can be plumbed together through their fittings to increase total storage. Call us and we can help you plan fittings and connections.
Do I need a special base?
Set the tank on a flat, level, smooth pad that supports the entire bottom, such as concrete or compacted fine gravel. In high-wind areas, use the molded tie-down locations to secure it.
Can these tanks be buried?
No. These are above-ground tanks and are not built to handle soil pressure.
How long do they take to ship?
Water tanks are made to order and typically ship in about 3 to 4 weeks, by freight from the manufacturer.
Need a tank for chemicals or fertilizer instead?
Water tanks are rated 1.0 SG. For heavier liquids, see our 1.5 and 1.9 SG chemical tanks in the same sizes.
What's the warranty?
5 years from purchase, extended to 10 years if you register the tank with the manufacturer within 30 days. Read the full warranty.

Planning a Water Storage System?

Tell us how much water you need and where it's going. We'll help you choose the right size and quote freight to your location.