Underground Water Tanks | Serving Customers Nationwide
Firewater Systems, Inc.
offers a variety of aboveground water tanks to accommodate your specific needs. Call or contact us for more information about our products.
Poly Tanks
Our Poly Tanks carry a three-year warranty, hold no pressure, and are made from FDA-approved polyethylene, safe for human consumption. They are ideal for:
- Safe Drinking Water Storage
- Emergency Potable Water Storage
- Long-Term Water Storage
- Rainwater Harvesting
- Fire Protection
- Farm Irrigation
Modular Fiberglass Tanks
Our modular fiberglass water storage tanks fit through doorways and are assembled inside. This means your walls stay intact!
Aboveground Water Tanks Include:
StackPack Modular Fiberglass Tanks
Designed to fit through doorways before assembly, our StackPack line of tanks are tough and dependable. Available in sizes from 180 to 1200 US Gallons, StackPack tanks are customized at the factory with your desired inlets, outlets, autofill valves, vents, lids, etc. and shipped direct to the site. All hardware for assembly is supplied with the tank... all you need is a wrench and some basic plumbing tools!
| Model | US Gal | Dia. | Height | Weight | Drawing |
| StackPack-180-US | 180 | 4'6" | 2' | 85 lbs | Link |
| StackPack-360-US | 360 | 4'6" | 4' | 125 lbs | Link |
| StackPack-540-US | 540 | 4'6" | 6' | 190 lbs | Link |
| StackPack-720-US | 720 | 4'6" | 8' | 255 lbs | |
| StackPack-300-US | 300 | 5'6" | 2' | 105 lbs | Link |
| StackPack-600-US | 600 | 5'6" | 4' | 165 lbs | Link |
| StackPack-900-US | 900 | 5'6" | 6' | 255 lbs | Link |
| StackPack-1200-US | 1200 | 5'6" | 8' | 345 lbs | Link |
StackPack II Modular Fiberglass Tanks
Designed to fit through doorways before assembly, our StackPackII line of tanks are tough and dependable. Available in sizes from 360 to 2275 US Gallons, StackPackII tanks are customized at the factory with your desired inlets, outlets, autofill valves, vents, lids, etc. and shipped direct to the site. All hardware for assembly is supplied with the tank... all you need is a wrench and some basic plumbing tools!
| Model | US Gal. | Size | Weight | Sections | Drawing |
| StackPackII-180-US | 180 | 5'6"L x 34"W x 2'4" H | 80 lbs | 1 | Link |
| StackPackII-360-US | 360 | 5'6" L x 34"W x 4'8" H | 140 lbs | 2 | Link |
| StackPackII-600-US | 600 | 8'6" L x 6'6" W x 2' H | 190 lbs | 1 | Link |
| StackPackII-750-US | 750 | 8'6" L x 6'6" W x 2'6" H | 210 lbs | 1 | Link |
| StackPackII-1200-US | 1200 | 8'6" L x 6'6" W x 4' H | 360 lbs | 2 | Link |
| StackPackII-1500-US | 1500 | 8'6" L x 6'6" W x 5' H | 400 lbs | 2 | Link |
| StackPackII-1800-US | 1800 | 8'6" L x 6'6" W x 6' H | 500 lbs | 3 | Link |
| StackPackII-2100-US | 2100 | 8'6" L x 6'6" W x 7' H | 575 lbs | 3 | Link |
| StackPackII-2250-US | 2250 | 8'6" L x 6'6" W x 7.5' H | 625 lbs | 3 | Link |
StackPackII Oval Modular Tanks
Assembled View
Inner Lining: Sanitary Gelcoat
Structural Material: Orthophthalic Laminating Filled Resin in a Chop-Strand Fiberglass Matrix
AK-Series (AquaKeg) 30" dia. Tanks
AK-Series 30" dia. one-piece fiberglass tanks are designed to squeeze through a doorway. They come with a slip-on lid with vented filler cap, and can be customized with various outlets, overflows, autofills, vents, etc.
| Model | US Gal. | Dia. | Height | Weight |
| AK-108-US | 108 | 30" | 3' | 43 lbs |
| AK-144-US | 144 | 30" | 4' | 56 lbs |
| AK-180-US | 180 | 30" | 5' | 68 lbs |
| AK-216-US | 216 | 30" | 6' | 80 lbs |
| AK-252-US | 252 | 30" | 7' | 93 lbs |
Inner Lining:
Sanitary Gelcoat
Structural Material:
Orthophthalic Laminating Filled Resin in a Chop-Strand Fiberglass Matrix
V-Series Large Above Ground Fiberglass Tanks
These large storage tanks provide potable water storage and other liquid storage. Tanks are available with various manways/vents/suction/autofills/flanges, etc..
V-Series 8' 6" diameter - 1800 to 6000 gallons
V-Series 12' 6" diameter - 3240 to 15000 gallons
8' 6" Diameter
Structural Material: Orthophthalic Laminating Filled Resin in a Chop-Strand Fiberglass Matrix
| Model | US Gal. | Dia. | Height | Weight | Drawing |
| V-2400-US | 2400 | 10' | 6'7" | Link | |
| V-3600-US | 3600 | 10' | 8'7" | Link | |
| V-4800-US | 4800 | 10' | 10'7"' | Link | |
| V-6000-US | 6000 | 10' | 12'7" | Link | |
| V-7200-US | 7200 | 10' | 14'10" | Link | |
| V-8400-US | 8400 | 10' | 16'10" | Link | |
| V-9600-US | 9600 | 10' | 18'10" | Link | |
| V-10800-US | 10800 | 10' | 20'10" | Link | |
| V-12000-US | 12000 | 10' | 22'10 | Link | |
| V-13200-US | 13200 | 10' | 24'10" | Link | |
| V-14400-US | 14400 | 10' | 27'1" | Link | |
| V-15600-US | 15600 | 10' | 29'1" | Link | |
| V-16800-US | 16800 | 10' | 31'1" | Link |
Poly tanks
The Plastic Above Ground Water Storage Tanks listed below are multi-purpose tanks great for: storing safe drinking water, rainwater harvesting, long term water storage, emergency potable water storage, fire protection & farm irrigation.
Our Plastic Water Tanks are made from FDA approved Polyethylene, safe for human consumption. They do not hold any pressure and carry a 3 year warranty.
Standard Colors: Green & Black
Colors By Request: White & blue
Doorway tanks
Doorway Water Storage Tanks are a must if your entry space is roughly 30 inches. The perfect tank for many applications & industries, Doorway Water Tanks are great for Safe Potable Drinking Water Storage, Irrigation, Rainwater Collection, Fire Protection & more. Avail in 250-400 gallon sizes, these slimline water tanks are a great way to maximize your space. The width dimension of the Doorway Water Tanks allow them to fit through a conventional doorway. The design of these tanks allow them to be freestanding/self-supporting and eliminates the need for a steel frame.
| Name | Capacity | Size | Part Number |
| 250 Gallon Doorway Water Tanks | 250 Gallon Doorway Water Tanks | 62"L x 29"W x 40"H | 42337 |
| 250 Gallon Doorway Water Tanks | 250 Gallon Doorway Water Tanks | 62"L x 29"W x 42"H | SP0250-UT |
| 300 Gallon Doorway Water Tanks | 300 Gallon Doorway Water Tanks | 62"L x 29"W x 48"H | 41869 |
| 300 Gallon Doorway Water Tanks | 300 Gallon Doorway Water Tanks | 60"L x 29"W x 49"H | WC1 |
| 300 Gallon Doorway Water Tanks | 300 Gallon Doorway Water Tanks | 62"L x 29"W x 53"H | SP0300-UT |
| 400 Gallon Doorway Water Tanks | 400 Gallon Doorway Water Tanks | 62"L x 29"W x 65"H | 41247 |
| 400 Gallon Doorway Water Tanks | 400 Gallon Doorway Water Tanks | 62"L x 29"W x 66"H | SP0400-UT |
| 400 Gallon Doorway Water Tanks | 400 Gallon Doorway Water Tanks | 60"L x 29"W x 63"H | WC2 |
Elliptical Cradle Tanks
Elliptical Cradle Tanks can be selected for stationary or transportable (non-D.O.T. regulated) applications both indoors and outdoors. The elliptical tank lowers the center of gravity to enhance stability and visibility. The tanks feature a standard collection sump on the bottom for full drain out. These tanks require the bottom to be fully supported with a cradle for use. The tanks are manufactured from medium-density polyethylene with U.V. inhibitors. Tank walls are translucent for level viewing and equipped with gallon indicators.
Flat Bottom Portable Water Tanks
Flat bottom portable utility tanks are rotationally molded using FDA Resins which approved for Potable Water. Bottom line they make great portable water storage tanks. Flat bottom portable utility tanks are manufactured from medium-density polyethylene with U.V. inhibitors and designed for containment of liquids of up to 1.7 specific gravity. Tank walls are translucent for level viewing and equipped with gallon indicators.
Portable Utility All Purpose Tanks great for detailing, water transport, potable water storage, watering tanks, wvo, concrete sealant, concession trailers & more.
Transporter Tanks
OV-Series oval hauling tanks are meant for hauling water but can be used for water storage as well.
| Model | US Gal | Length | Width | Height | Baffles | Weight |
| OV-120-US | 120 | 3'7" | 3'2" | 2'2" | 0 | 55 lbs |
| OV-240-US | 240 | 5'4" | 4'2" | 2' | 0 | 88 lbs |
| OV-360-US | 360 | 6'2" | 4'5" | 2'8" | 0 | 125 lbs |
| OV-480-US | 480 | 7'9" | 4'5" | 2'8" | 0 | 145 lbs |
| OV-600-US | 600 | 8'1" | 4'10" | 3' | 1 | 185 lbs |
| OV-1200-US | 1200 | 10'11" | 6'9" | 3' | 2 | 375 lbs |
| OV-1440-US | 1440 | 12'3" | 6'6" | 3' | 2 | 350 lbs |
| OV-2040-US | 2040 | 11'6" | 7'6" | 4' | 2 | 850 lbs |
| OV-2400-US | 2400 | 13'9" | 7'6" | 4' | 3 | 990 lbs |