Steel and Poly Water Storage
Steel & Polyethylene Water Storage Tanks
From high capacity Pioneer steel to affordable polyethylene, we help you spec, deliver, and install the right water storage for your site.
Steel or Poly? Find Your Fit
Two tank families for two kinds of jobs. Here’s how to tell which one fits your project.
Steel Tanks
Pioneer engineered, built to last
Best for
- Fire suppression and NFPA 22 storage
- Commercial and industrial sites
- Large agricultural operations
Built from
- Zincalume® or Colorbond® steel
- V-LOCK® wall profile
- AQUALINER® Fresh liner
Polyethylene Tanks
Affordable and versatile
Best for
- Homes, farms, and rural sites
- Potable water backup when a well can’t keep up
- Agricultural and industrial liquids
Built from
- FDA compliant, UV stabilized resin
- Made in NSF certified plants
- A range of colors and sizes
Not sure which is right? Tell us your capacity, location, and what you’re storing and we’ll help you pick.
STEEL TANKS
When you need serious and reliable capacity, our Pioneer steel tanks deliver code-compliant water storage for solar, commercial, and agricultural sites.






As your authorized Pioneer Water Tanks dealer, we supply and install steel water storage tanks engineered to outperform and outlast. Every Pioneer tank is built from Zincalume® steel, or premium Colorbond® steel in a full color range, for corrosion resistance and decades of reliable service.
Engineered to perform
- Pioneer V-LOCK® corrugation, an exclusive wall profile with thickness placed where structural demand is highest, for exceptional strength and a longer lasting liner
- AQUALINER® Fresh liner with Sanitized® antimicrobial technology that guards your water against mold, algae, and biofilm. PFAS free, BPA free, and NSF/ANSI 61 certified for safe drinking water
- Backed by the Pioneer 20/20 Warranty®. Contact us for the current coverage on the tank and liner
Sizes and uses
- Capacities from roughly 5,000 to 100,000 gallons, with custom builds up to 700,000 (see the size chart below for exact models)
- NFPA 22 and NFPA 1142 compliant for private fire protection and fire suppression water storage
- Commercial, industrial, and agricultural water storage
- Irrigation, frost protection, and livestock water
- Potable and drinking water storage
We handle sizing, engineering, delivery, and installation with our own certified crews, from quote to commissioning. Tell us your capacity, location, and fire code requirements, and we’ll spec the right Pioneer tank for your site.
Pioneer V-LOCK® Tank Sizes
| Tank Model | Diameter | Height | Capacity (gal) | Net Usable (gal) |
|---|---|---|---|---|
| XLR 04/02 | 11′ | 7′2″ | 4,990 | 4,340 |
| XLR 08/02 | 15′5″ | 7′2″ | 9,907 | 8,510 |
| XLE 10/02 | 17′7″ | 7′2″ | 12,946 | 11,200 |
| XLE 13/02 | 19′9″ | 7′2″ | 16,392 | 14,150 |
| XLE 15.02 | 22′ | 7′2″ | 20,243 | 17,500 |
| XLE 23.02 | 26′4″ | 7′2″ | 29,093 | 25,200 |
| XLE 30/02 | 30′9″ | 7′2″ | 39,626 | 34,300 |
| XLE 40/02 | 35′2″ | 7′2″ | 51,785 | 44,850 |
| XLE 50/02 | 39′6″ | 7′2″ | 65,567 | 56,750 |
| XLE 50/03 | 39′6″ | 10′7″ | 97,148 | 88,000 |
POLYETHYLENE TANKS
When steel is more tank than you need, our polyethylene tanks deliver reliable, affordable water storage for homes, farms, and specialized uses.






Our polyethylene tanks are a practical, cost-effective choice for smaller capacities and specialized storage. Made from FDA-compliant, UV-stabilized resin in NSF-certified plants, they range from 200 to 15,500 gallons and hold up to years of outdoor service. They’re a strong fit when you need potable water storage where a well can’t keep up, backup or supplemental supply, or storage for agricultural and industrial liquids.
Built for the job
- Sizes from 205 to 15,000 gallons
- Colors including black, dark green, and mocha
- FDA compliant resin, manufactured in NSF certified plants
- UV stabilized for long term outdoor service
- Gallon indicators molded in, with translucent models that let you read water level in daylight
- Weatherproof threaded lids with built in surge vents
- Bolt on stainless steel fittings, with molded in tie down cleats and lifting lugs
Get a Quote on Your Tank
Steel or poly, fire protection or everyday storage. Tell us what you need and we’ll spec the right tank for your project and budget.
CA Contractor License #1136028
