This guide highlights five top 55-gallon plastic water barrels suitable for rainwater collection, emergency storage, and bulk liquids. Each option emphasizes durability, BPA-free materials, and versatile fittings to fit common pumping setups. Use these barrels to expand storage capacity while maintaining safe, compliant containment for water and other non-hazardous liquids.
| Product | Brand | Capacity | Material | Notable Features |
|---|---|---|---|---|
| RTS Home Accents 50-Gallon ECO Rain Barrel | RTS Home Accents Store | 50 gallons | 100% Recycled HDPE | UV-resistant, overflow valve |
| 55-Gallon Water Storage Barrel, BPA Free | HOANK Store | 55 gallons | BPA-free plastic | Industrial capacity, tight head design |
| 55 Gallon Blue Water Barrel, Solid Mold | — | 55 gallons | HDPE | 2 inch bung holes, food-grade |
| Eagle 55 Gallon Drum | Eagle Store | 55 gallons | HDPE | Regulatory-compliant lid options |
| 55-Gallon Water Storage Barrel, BPA Free (White) | HOANK Store | 55 gallons | BPA-free plastic | Industrial capacity, tight head design |
RTS Home Accents 50-Gallon ECO Rain Barrel

The RTS ECO Rain Barrel is a 50-gallon unit crafted from 100% recycled plastic. It’s designed for outdoor use with UV-resistant properties, helping sustain long-term outdoor exposure. An integrated overflow valve supports controlled discharge and the option to connect multiple barrels for expanded rainwater storage, making it a practical starter option for garden irrigation and lawn care.
55-Gallon Water Storage Barrel, BPA Free

This 55-gallon barrel emphasizes BPA-free construction and a tight head design for secure containment. It’s positioned for industrial, laboratory, or commercial storage and bulk liquid handling, with dual-fit options for versatile connections. The unit is suitable for long-term water storage or non-leaking liquid containment in professional settings.
55 Gallon Blue Water Barrel | Solid Mold

These blue 55-gallon barrels are described as food-grade and suitable for long-term drinking water use. They feature 2-inch bung holes and are advertised as UN-DOT certified, broadening their suitability for various water storage needs while maintaining strong containment for extended periods.
Eagle 55 Gallon Drum with Bung Lid

The Eagle drum is designed for regulatory compliance and chemical storage, featuring HDPE construction and compatibility with various lids to meet material-specific handling rules. It is lightweight yet durable and appropriate for storing non-leaking hazardous materials, with weather resistance suitable for outdoor environments.
55-Gallon Water Storage Barrel, BPA Free (White)

This white 55-gallon barrel mirrors the HOANK design with BPA-free plastic and a tight head, offering robust storage for bulk liquids. The dual-fittings capability supports flexible pumping configurations, making it suitable for large-scale storage or rainwater harvest systems that require secure containment.
Buying Guide: Key Purchase Considerations
- Capacity and use-case: 55 gallons is ideal for bulk rainwater collection, emergency water storage, or industrial liquid handling. Match capacity to your irrigation or storage needs.
- Material and safety: Look for BPA-free HDPE or equivalent for water storage to minimize chemical leaching. Food-grade labeling is beneficial for drinking water applications.
- Lid and fittings: Dual 2-inch fittings or buttress/NPT options increase compatibility with pumps, filters, and transfer hoses. Tight head designs reduce leakage risks.
- Durability and weather resistance: UV-stable plastics extend outdoor life. Consider barrels with reinforced walls or thicker walls for long-term outdoor use.
- Compliance and labeling: For hazardous materials, select drums with lid options that meet regulatory requirements and labeling guidelines.
- Connectivity: Overflow valves and the ability to link multiple barrels enable scalable storage solutions for rainwater harvesting systems.
- Maintenance: Choose barrels that are easy to clean and inspect. Clear or pale plastics help detect algae growth or sediment buildup.
- Intended liquids: Some barrels are optimized for water, others for various liquids. Ensure the selected model supports your intended contents safely.
- Storage environment: If used for drinking water, prioritize food-grade and BPA-free materials, and keep lids sealed to prevent contamination.
- Cost and availability: Compare multiple options to balance budget with durability, fittings, and warranty coverage.