Rain Water Storage Tanks

an orange bladder tank

Rainwater Storage Solutions

Sizes Ranging from 25 to 210,000 Gallons

Flexible pillow tanks for rainwater storage provide a versatile solution ideal for efficiently collecting and storing rainwater. These collapsible tanks are engineered with a compact design, making them suitable for installation in confined spaces like crawl spaces, basements, or beneath decks. Our pillow tanks ensure secure storage, safeguarding liquids while maximizing space utilization.


Looking for water storage solutions? We can help! Call us at 1-863-270-8118 or contact us to discuss your needs.


How Flexible Rainwater Bladder Tanks Work

Our Flexible Rainwater Bladder Tanks are designed for efficient and easy rainwater collection and storage. Most of our smaller pillow tanks come equipped with two bulkhead fittings:

  • Top Bulkhead Fitting: For filling and discharging water
  • Side Bulkhead Fitting: For additional fill or discharge options

These dual fittings allow you to connect both a fill and discharge hose simultaneously. In a typical rainwater collection setup, a fill hose is connected from your downspout to the tank’s fitting, capturing rainwater. To ensure clean water, filters can be added to prevent leaves or debris from entering the tank. A discharge hose connected to the second fitting is often used with a pump to move the stored water for reuse.

Common Uses for Rainwater Bladder Tanks:

  • Fire Suppression Systems
  • Sprinkler System Water Supply
  • Backup Water Storage for Wells
  • Garden Irrigation
  • Stormwater Management
  • Cistern Storage Solutions

These tanks offer an eco-friendly and cost-effective way to manage rainwater for various applications.


Small Rainwater Storage Tanks

Capacity (gallons) Capacity (Liters) Length Width Height
25 gallons 94 liters 36" (0.9 m) 24" (0.6 m)

8" (0.2 m)

50 gallons 189 liters 52" (1.3 m) 36" (0.9 m) 9" (0.23 m)
75 gallons 283 liters 54" (1.37 m) 42" (1 m) 9" (0.23 m)
100 gallons 378 liters 66" (1.68 m) 48" (1.2 m) 9" (0.23 m)
150 gallons 567 liters 60" (1.5 m) 60" (1.5 m) 12" (0.3 m)
250 gallons 946 liters 84" (2.1 m) 60"(1.5 m) 14" (0.36 m)
275 gallons 1,040 liters 72" (1.8 m) 80" (2 m) 16" (0.4 m)
300 gallons 1,135 liters 84" (2.1 m) 66" (1.68 m) 14" (0.36 m)
500 gallons 1,892 liters 108" (2.7 m) 84" (2.1 m) 16" (0.4 m)
600 gallons 2,271 liters 120" (3 m) 84" (2.1 m) 16" (0.4 m)
700 gallons 2,649 liters 114" (2.9 m) 99" (2.5 m) 16" (0.4 m)
800 gallons 3,028 liters 72" (1.8 m) 120" (3 m) 24" (0.6 m)
900 gallons 3,405 liters 72" (1.8 m) 132" (3.35 m) 24" (0.6 m)
1,000 gallons 3,785 liters 132" (3.35 m) 108" (2.74 m) 16" (0.4 m)
1,500 gallons 5,678 liters 168" (4.27 m) 120" (3 m) 18" (0.46 m)
2,000 gallons 7,570 liters 174" (4.4 m) 126" (3.2 m) 22" (0.56 m)
2,500 gallons 9,463 liters 174" (4.4 m) 144" (3.6 m) 24" (0.6 m)
3,000 gallons 11,356 liters 180" (4.57 m) 162" (4.1 m) 24" (0.6 m)
4,000 gallons 15,141 liters 216" (5.5 m) 168" (4.27 m) 27" (0.7 m)
5,000 gallons 18,927 liters 234" (5.94 m) 186" (4.72 m) 27" (0.7 m)

Large Rain Water Storage Tanks

Capacity (gallons) Capacity (liters) Length Width Height
5,500 gallons 20,820 liters 20' (6.1 m) 17' (5.2 m) 2.25' (0.7 m)
6,000 gallons 22,712 liters 21' (6.4 m) 18' (5.5 m) 2.25' (0.7 m)
6,5000 gallons 24,605 liters 20.8' (6.34 m) 18' (5.5 m) 2.5' (0.76 m)
7,000 gallons 26,498 liters 19' (5.8 m) 20' (6.1 m) 2.5' (0.76 m)
7,500 gallons 28,391 liters 20' (6.1 m) 20' (6.1 m) 2.5' (0.76 m)
8,000 gallons 30,283 liters 19' (5.8 m) 19' (5.8 m) 3' (0.9 m)
9,000 gallons 34,069 liters 20' (6.1 m) 21' (6.4 m) 3' (0.9 m)
9,500 gallons 35,961 liters 21' (6.4 m) 21' (6.4 m) 3' (0.9 m)
10,000 gallons 37,854 liters 21' (6.4 m) 23' (7 m) 3' (0.9 m)
20,000 gallons 75,708 liters 33' (10.1 m) 25' (7.6 m) 3.5' (1.07 m)
30,000 gallons 113,562 liters 36' (11 m) 32' (9.75 m) 3.5' (1.07 m)
40,000 gallons 151,416 liters 37' (11.3 m) 40' (12.2 m) 4' (1.2 m)
50,000 gallons 189,271 liters 42' (12.8 m) 43' (13.1 m) 4' (1.2 m)
70,000 gallons 264,979 liters 48' (14.6 m) 42' (12.8 m) 4' (1.2 m)
80,000 gallons 302,833 liters 77' (23.47 m) 30' (9.1 m) 5.5' (1.7 m)
106,000 gallons 401,254 liters 88' (26.8 m) 35' (10.7 m) 5.5' (1.7 m)
125,000 gallons 473,176 liters 58' (17.7 m) 59' (18 m) 5' (1.5 m)
150,000 gallons 567,812 liters 78'(23.77 m) 58' (17.7 m) 6' (1.8 m)
210,000 gallons 794,936 liters 75' (22.8 m) 73' (22.25 m) 6' (1.8 m)

Looking for water storage solutions? We can help! Call us at 1-863-270-8118 or contact us to discuss your needs.


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For immediate assistance, call: 863-270-8118 during business hours are Monday to Friday, from 8am to 8pm (Eastern Time). Rest assured that a knowledgeable and friendly team member will respond to your inquiry as quickly as possible within these hours. 

At WATER-STORAGE-TANK.COM, we specialize in providing high-quality water storage solutions for a wide range of applications. From residential and agricultural needs to commercial and industrial projects, we offer an extensive selection of water tanks, trailers, and accessories to meet your specific requirements. Our mission is to deliver durable and reliable products that are built to last while offering exceptional customer service and expert support. Whether you need a single tank or a complete system, Water-Storage-Tank.com is your trusted partner for all your water storage needs.