Our Water Storage Tank Solutions for Drinking Water

Potable Water Storage Tanks from National Storage Tank

National Storage Tank (NST) offers a robust portfolio of potable water storage solutions, engineered to deliver clean, safe, and reliable drinking water storage for a wide range of applications, including municipal supply systems, rural community water projects, hospitals, schools, industrial campuses, and commercial facilities.

NST’s tanks are designed and manufactured to meet strict potable water standards, including NSF/ANSI 61, AWWA specifications, and applicable local building codes. Whether you need a large high-capacity tank for a city water system or a smaller above-ground reserve for a remote facility, NST has a solution that fits your water quality, regulatory, and budget requirements.

Bolted Steel Tanks (NSF-Lined for Potable Service)

Best For: Large capacity drinking water storage

Modular construction allows for capacities from tens of thousands to millions of gallons.

Field-assembled bolted panels are coated with tank linings that meet NSF/ANSI 61 potable water standards.
Designed for both above ground and semi-buried installations.
Durable and easily expandable to accommodate future water demands.
Ideal for community water systems, fire protection combined with potable reserves, irrigation, and emergency storage.

Welded Steel Tanks

Best For: Permanent installations with high structural requirements

Factory-welded construction for a monolithic structure.
Stainless or coated interiors are available for potable water compliance.
Precision fabrication for large, engineered applications.
Suitable for industrial, municipal, and high-demand drinking water storage.

Stainless Steel Tanks

Best For: High-purity potable water and sanitary applications

Constructed from stainless steel (commonly 304 or 316L), offering inherent corrosion resistance.
Smooth, inert interior surface minimizes risk of contamination.
Ideal for hospital potable water storage, food and beverage facilities, and pharmaceutical use.
Excellent for water with higher purity requirements.

Fiberglass (FRP) Tanks

Best For: Corrosion-resistant potable storage in challenging environments

Fiberglass-reinforced plastic tanks are lightweight and durable.
Available with NSF-approved linings for potable water service.
Often used underground or where steel tanks require corrosion protection.
Good option when chemical or environmental corrosives are present.

Polyethylene (HDPE) Tanks (Plastic)

Best For: Small to medium potable water applications

Made from NSF-certified high-density polyethylene.
Often used for residential potable water systems, schools, remote facilities, and auxiliary water storage.
Lightweight and easy to install.
UV-resistant option available for outdoor exposure.

Why NST Is the Right Choice for Drinking Water Tanks

Engineering Expertise: NST works directly with engineers and design professionals to deliver compliant tank systems tailored to individual project needs.
Full Documentation: Specification sheets, drawings, submittal packets, and certification documents are provided to support permitting and approval.
Variety of Materials: A complete suite of tank types to match capacity, budget, and environmental conditions.
Long-Term Reliability: Tanks built with quality materials, protective coatings, and attention to detail for decades of service.