Best Plastic Rain Water Tanks for Home and Garden Use

The best plastic rain water tank depends on whether you need a fixed garden barrel, a portable seasonal collector, or a general-purpose water storage drum. The RTS Home Accents 50-gallon barrels are best for stationary garden collection; the Laspeiraux 53-gallon model is better for portable storage; and the HOANK 55-gallon drum is a general-purpose option rather than a dedicated rain barrel. Compare capacity, installation style, overflow management, and intended use before choosing.

Product Capacity Best For
RTS ECO Rain Barrel 50 gallons Recycled-plastic garden collection
RTS Rain Barrel, Walnut 50 gallons Stationary outdoor use
Laspeiraux Collapsible Rain Barrel 53 gallons Portable seasonal collection
HOANK Water Storage Barrel 55 gallons General-purpose liquid storage
HOANK 30-Gallon Water Barrel 30 gallons Smaller water-storage needs

RTS Home Accents 50-Gallon ECO Rain Barrel

RTS Home Accents 50-gallon recycled-plastic rain barrel

Check Price on Amazon

This fixed rain barrel is best for homeowners collecting roof runoff to water lawns, gardens, and plants. Its 50-gallon capacity offers substantial storage for routine outdoor watering, while the flat-back shape is designed to sit close to a wall. The barrel is made from 100% recycled plastic and UV-resistant polyethylene, according to the product details.

A built-in overflow valve helps manage excess water, and the listed design allows multiple barrels to be connected for added storage. Choose this model if recycled material and an expandable setup are priorities. Its stated use is outdoor watering, so do not assume it is intended for drinking-water storage.

RTS Home Accents 50-Gallon Walnut Rain Barrel

RTS Home Accents 50-gallon walnut-color rain barrel

Check Price on Amazon

The walnut-color RTS barrel is best for buyers who want a stationary plastic rain collector with a decorative finish. It holds 50 gallons and uses UV-resistant polyethylene intended to withstand outdoor exposure. The included brass spigot provides a dispensing point for collected water.

A built-in overflow valve helps route excess water, and the product information says barrels can be connected to increase capacity. This makes the model a practical choice for garden irrigation where a single barrel may not hold enough. It is a fixed, full-size barrel, so choose a collapsible model instead if compact storage or easy transport is essential.

Laspeiraux 53-Gallon Collapsible Rain Barrel

Laspeiraux 53-gallon collapsible rainwater collection barrel

Check Price on Amazon

This model is best for buyers who want a large rainwater collector that can be folded away when it is not in use. Its listed capacity is 53 gallons, and its three-layer PVC construction is designed for strength. The product description also lists a screw-in faucet, circular footpads, a filter, and overflow components.

Choose this barrel if portability and storage convenience matter more than a rigid, permanent installation. The collapsible construction can make it easier to transport and put away, but it differs from a solid polyethylene tank in structure. Check the included components and setup instructions before installation, especially when connecting it to a gutter downspout.

HOANK 55-Gallon Water Storage Barrel

HOANK blue 55-gallon plastic water storage barrel

Check Price on Amazon

This HOANK drum is best for buyers who need a general-purpose 55-gallon storage container, not a purpose-built rain barrel. Its features include BPA-free plastic, a tight-head design, and 2-inch NPT and 2-inch Buttress fittings for different pump or connection setups. The product description identifies industrial, laboratory, and commercial storage as intended uses.

It may suit a rainwater system where the buyer has separately planned the collection, inlet, and overflow arrangements. However, the listed features do not describe a gutter connection, rain filter, or dedicated overflow valve. Avoid choosing it as a ready-to-install rain barrel if you need those components built in.

HOANK 30-Gallon Blue Water Barrel

HOANK 30-gallon blue water storage barrel

Check Price on Amazon

The HOANK 30-gallon barrel is best for buyers who want a smaller plastic water-storage container. Its listed features include a solid-mold construction, secure lid, two-inch bung holes, and BPA-free food-grade plastic. The product description focuses on long-term emergency water storage rather than rainwater collection.

Its lower capacity may be easier to accommodate than a 50- or 55-gallon container, but it holds less water between refills. It is not described as a complete rainwater collection system, so buyers should not expect built-in downspout fittings, a filter, or an overflow setup based on the provided features.

Buying Guide: How To Choose A Plastic Rain Water Tank

Should you choose a fixed or collapsible tank?

A fixed polyethylene barrel is a better fit for a permanent collection point beside a home or shed. The RTS models have a flat-back design and built-in overflow valves. A collapsible barrel is better when you need to move or store the container between seasons, but it has a flexible PVC body rather than a rigid tank.

How much capacity do you need?

Compare the tank’s gallon capacity with your garden’s watering needs and available space. The listed options range from 30 to 55 gallons. A larger tank stores more water before it needs to be used, while a smaller barrel may fit where space is limited. Multiple RTS barrels can be connected, according to the product details.

What fittings and overflow features matter?

For direct rain collection, check whether the product includes or describes a downspout connection, filter, faucet, and overflow route. The RTS barrels list overflow valves, while the collapsible model lists filter and overflow components. The HOANK drums list fittings but are not described as complete rainwater collection kits.

Can collected rainwater be used for drinking?

These rain barrels are presented primarily for outdoor or general storage uses, and the RTS models are specifically described for watering plants and lawns. Do not treat collected rainwater as drinking water unless the system and water treatment are appropriate for that purpose. Follow product instructions and applicable local guidance.

Frequently Asked Questions

What is a plastic rain water tank used for?

A plastic rain water tank collects and stores runoff, commonly for watering gardens, lawns, and outdoor plants.

Is a 50-gallon rain barrel enough for a garden?

A 50-gallon barrel can provide stored water for routine garden use, but how long it lasts depends on the garden’s size and watering needs.

Can rain barrels be connected together?

The RTS Home Accents product details state that the barrels can be connected to increase storage capacity. Confirm connection requirements before installation.

What is the difference between a rain barrel and a storage drum?

A rain barrel is designed for collecting rainwater and may include overflow or collection features. A storage drum may hold liquids but may not include rain-specific components.

Are these tanks suitable for drinking water?

The product information does not establish every listed rain barrel as suitable for drinking water. Check the manufacturer’s intended-use guidance and water-treatment requirements before considering potable use.