Bladder Water Storage Tank
Flexible Rainwater Bladder Tank for Farms, Homesteads, and Properties
If you need a reliable, low-profile way to capture and store rainwater for irrigation, livestock watering, or long-term water independence on your farm or property, a rain water bladder water storage tank is one of the most practical options available. Our collapsible pillow tanks rise as they fill and lay nearly flat when empty, so they slip through doorways, under decks, into crawlspaces, and into basements where a rigid tank simply will not fit. Available from 25 to 210,000 gallons, with material options for both potable and non-potable water, these tanks are built to work hard wherever you need them.
If you have questions about these products, give us a call at 1-863-261-8388 or request a price quote.
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Capacity |
Capacity (Metric) |
Sizing (W x L x H) |
Sizing (Metric) |
25 gal |
94 L |
24" x 36" x 8" |
0.6 m x 0.9 m x 0.2 m |
50 gal |
189 L |
36" x 52" x 9" |
0.9 m x 1.3 m x 0.23 m |
75 gal |
283 L |
42" x 54" x 9" |
1 m x 1.37 m x 0.23 m |
100 gal |
378 L |
48" x 66" x 9" |
1.2 m x 1.68 m x 0.23 m |
150 gal |
567 L |
60" x 60" x 12" |
1.5 m x 1.5 m x 0.3 m |
250 gal |
946 L |
84" x 60" x 14" |
2.1 m x 1.5 m x 0.36 m |
275 gal |
1,040 L |
72" x 80" x 16" |
1.8 m x 2 m x 0.4 m |
300 gal |
1,135 L |
84" x 66" x 14" |
2.1 m x 1.68 m x 0.36 m |
500 gal |
1,892 L |
84" x 108" 16" |
2.1 m x 2.7 m x 0.4 m |
600 gal |
2,271 L |
120" x 84" x 16" |
3 m x 2.1 m x 0.4 m |
700 gal |
2,649 L |
114" x 99" x 16" |
2.9 m x 2.5 m x 0.4 m |
800 gal |
3,028 L |
72" x 120" x 24" |
1.8 m x 3 m x 0.6 m |
900 gal |
3,405 L |
72" x 132" x 24" |
1.8 m x 3.35 m x 0.6 m |
1,000 gal |
3,785 L |
108" x 132" x 16" |
3.35 m x 2.74 m x 0.4 m |
1,500 gal |
5,678 L |
120" x 168" x 18" |
4.27 m x 3 m x 0.46 m |
2,000 gal |
7,570 L |
126" x 174" x 22" |
4.4 m x 3.2 m x 0.56 m |
2,500 gal |
9,463 L |
144" x 174" x 24" |
4.4 m x 3 m x 0.6 m |
3,000 gal |
11,356 L |
162" x 180" x 24" |
4.57 m x 4.1 m x 0.6 m |
4,000 gal |
15,141 L |
168" x 216" x 27" |
5.5 m x 4.27 m x 0.7 m |
5,000 gal |
18,927 L |
186" x 234" x 27" |
5.94 m x 4.72 m x 0.7 m |
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Capacity |
Capacity (Metric) |
Sizing (L x W x H) |
Sizing (Metric) |
5500 gal |
20,820 L |
20' x 17' x 2.25' |
6.1 m x 5.2 m x 0.7 m |
6000 gal |
22,712 L |
21' x 18' x 2.25' |
6.4 m x 5.5 m x 0.7 m |
6500 gal |
24,605 L |
20.8' x 18' x 2.5' |
6.34 m x 5.5 m x 0.76 m |
7000 gal |
26,498 L |
19' x 20' x 2.5' |
5.8 m x 5.8 m x 0.76 m |
7500 gal |
28,391 L |
20' x 20' x 2.5' |
6.1 m x 6.1 m x 0.76 m |
8000 gal |
30,283 L |
19' x 19' x 3' |
5.8 m x 5.8 m x 0.9 m |
9000 gal |
34,069 L |
21' x 20' x 3' |
6.1 m x 6.4 m x 0.9 m |
9500 gal |
35,961 L |
21' x 21' x 3' |
6.4 m x 6.4 m x 0.9 m |
10,000 gal |
37,854 L |
23' x 21' x 3' |
6.4 m x 7 m x 0.9 m |
20,000 gal |
75,708 L |
25' x 33' x 3.5' |
10.1 m x 7.6 m x 1.07 m |
30,000 gal |
113,562 L |
32' x 36' x 3.5' |
11 m x 9.75 m x 1.07 m |
40,000 gal |
151,416 L |
40' x 37' x 4' |
11.3 m x 12.2 m x 1.2 m |
50,000 gal |
189,271 L |
42' x 43' x 4' |
12.8 m x 13.1 m x 1.2 m |
70,000 gal |
264,979 L |
48' x 42' x 4' |
14.6 m x 12.8 m x 1.2 m |
80,000 gal |
302,833 L |
77' x 30' x 5.5' |
23.47 m x 9.1 m x 1.7 m |
106,000 gal |
401,254 L |
88' x 35' x 5.5' |
26.8 m x 10.7 m x 1.7 m |
125,000 gal |
473,176 L |
58' x 59' x 5' |
17.7 m x 18 m x 1.5 m |
150,000 gal |
567,812 L |
78' x 58' x 6' |
23.77 m x 17.7 m x 1.8 m |
210,000 gal |
794,936 L |
75' x 73' x 6' |
22.8 m x 22.25 m x 1.8 m |
 Recommended Items:Ground Cloth, Repair Kit, Berm Liner |
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All bladder water storage tanks are available in additional sizes, dimensions, and fabrics. Available in multiple sizes to fit your space and water needs; contact our Sales Specialist for sizing guidance. Please do not hesitate to contact us for tank options not featured here.
Please Note: Rainwater bladder tanks are made for stationary use. They should not be moved with liquid in them. They should not be used for transporting liquid via vehicle, boat, or other mobile transportation method.
Rainwater Bladder Tank Details
Rainwater bladder tanks are built from a flexible material that expands as the tank fills and collapses flat when empty. That collapsible design is what sets them apart from rigid poly or steel tanks: you can roll them up for shipping, carry them through a standard doorway, and tuck them into spaces a hard-sided tank would never reach. Depending on your rainwater collection needs, tanks can be built from standard non-potable water fabric or a potable drinking water material rated for safe water contact.
Material options include PVC, Elvaloy (or an equivalent fabric), and urethane. NSF 61 and FDA-compliant options are available for drinking water storage and irrigation use where food-grade contact is required.
Standard fittings include a 2" fill port; 4" through 6" sizes are also available. Optional ports, plugs, repair kits, parts, ground cloths, berms, and pressure relief valves round out the accessory lineup so you can configure the tank to your setup.
Features and Benefits
Rainwater Pillow Tank Features
- Sizing: 25 to 210,000 gallons
- Material Options:
- PVC
- Elvaloy (or an equivalent fabric)
- Urethane
- NSF 61 & FDA-compliant options for drinking water and irrigation storage
- Fittings:
- Standard 2" Fill
- 4" through 6" Sizes Also Available
- Collapsible design ships flat and fits through standard doorways
- Leakproof construction with high-strength exterior fabric
- Pillow Tank or Barrel End (Rounded Corner) Design Options
- Optional Ports, Plugs, Repair Kits, Parts, Ground Cloths, Berms, and Pressure Relief Valves Available
- Bladder Tank Sizing
Rainwater Pillow Tank Benefits
- Fits under decks, patios, in basements, and in crawlspaces where rigid tanks cannot go
- Connects to downspouts, pipes, and pumps for gravity-fed or pressurized delivery
- Non-toxic material options safe for drinking water and irrigation use
- Effective replacement for leaking cisterns
- Easy to ship, move, and store when empty
- Small or large capacities available to match your property's collection volume
Certifications
Applications
Where Can You Use a Rainwater Bladder Tank?
These tanks work best for property owners, farmers, and homesteaders who need a flexible, long-term water storage solution in spaces where a rigid tank will not fit. Common uses include:
- Rainwater collection and irrigation -- capture roof runoff and deliver it gravity-fed to gardens, orchards, or pastures
- Livestock watering -- store collected rainwater and run a gravity-fed line out to your animals in a back pasture
- Emergency and long-term backup water -- keep a supply on hand for homesteads and off-grid properties where water reliability matters
- Under-deck and crawlspace storage -- use otherwise dead space under your home or deck for a hidden, out-of-the-way water reserve
- Leaking cistern replacement -- drop a bladder tank into the footprint of an old cistern instead of a costly repair
Where Can You Install a Rainwater Bladder Tank?
- Under Decks
- Under Patios
- In Basements
- Along House Sides
- Under Downspouts
- In Crawl Spaces
- On Farms and Homesteads
- Around Businesses
If your rainwater collection needs grow beyond what a bladder tank can hold, or if you need a permanent above-ground solution for a farm or ranch, our farm and home water storage towers may be a better fit for high-volume, long-term storage.
Have a Leaking Cistern Tank?
For locations with leaking cisterns, we also offer a range of custom-fit Cistern Liners that fit directly inside leaking tanks. Sized to the exact dimensions of your existing tank, these liners seal the interior and prevent further leaks -- a dependable way to extend the life of an old cistern without the cost of a full replacement.
Frequently Asked Questions
What Is a Rainwater Bladder Tank?
A rainwater bladder tank is a collapsible, flexible storage vessel that expands as it fills with water and lies nearly flat when empty. Unlike rigid poly or steel tanks, it can be installed in low-clearance spaces like crawlspaces, under decks, and in basements. It connects to your downspouts, pumps, or gravity-fed piping to capture and store rainwater for later use.
What Size Rainwater Bladder Tank Do I Need?
Size depends on how much roof area you are collecting from, how often it rains in your area, and what you plan to use the water for. A 250- to 1,000-gallon tank is common for residential irrigation and garden use. Farms and homesteads with livestock or larger irrigation demands often step up to 5,000 gallons or more. Our Sales Specialist can help you size the right tank for your setup -- call us at 1-863-261-8388.
Are These Tanks Safe for Drinking Water or Irrigation?
Yes, for applications requiring potable-water contact, we offer material options that are NSF 61 and FDA-compliant. Always confirm the material specification with our Sales Specialist before ordering if potable use is required.
Can I Install a Rainwater Bladder Tank Under My Deck or in a Crawlspace?
Yes. That is one of the main advantages of this tank design. Because the bladder ships flat and can be maneuvered through a standard doorway or hatch, you can position it in spaces a rigid tank cannot reach. Once in place, connect it to your downspout or supply line and fill it. The tank rises as it fills and stays low-profile with a typical height of 8" to 27" depending on the size you choose.
Can the Tank Be Moved Once It Is Filled?
No. These tanks are designed for stationary use only. Do not move them with liquid inside, and do not use them for transporting water via vehicle, boat, or any other mobile method. If you need a mobile water solution, contact our Sales Specialist to discuss other options.
What Accessories Do I Need?
We recommend pairing your bladder tank with a ground cloth to protect the underside from puncture, a repair kit for on-site maintenance, and a berm liner if your installation area does not have hard containment walls. Pressure relief valves and additional ports are available depending on your plumbing setup.
What Is the Warranty on a Rainwater Bladder Tank?
Contact our Sales Specialist at 1-863-261-8388 for current warranty details on the specific tank and material option you are considering.
Ready to Capture More Rainwater?
Not sure what size rainwater bladder tank fits your property, crawlspace, or under-deck space? Our Sales Specialist can walk you through the options, match the right tank to your collection setup, and answer questions about material options, fittings, and accessories. There is no pressure -- just straightforward help from people who know water storage.
Questions? We can help! Call us at 1-863-261-8388 or request a price quote and a Sales Specialist will get back to you.