Rainwater harvesting can reduce outdoor water use and support garden irrigation. This guide highlights five well-suited water barrel gutter systems and related components to help American homeowners choose reliable options for storing and using rainwater. Each product focuses on durable materials, easy installation, and practical features like overflow management and filters. Browse the selections below to compare capacity, compatibility, and setup considerations for your downspouts and gutters.
| Product | Brand | Capacity | |
|---|---|---|---|
| RTS Home Accents 50-Gallon ECO Rain Barrel | RTS Home Accents Store | 50 Gallons | 100% recycled plastic; flat back design |
| Anivia Rainwater Collection System | Anivia Store | 5 ft hose included; compatible with standard downspouts | Removable filter window; adjustable valve |
| RTS Home Accents 50-Gallon Barrel with Brass Spigot | RTS Home Accents Store | 50 Gallons | Brass spigot; overflow valve |
| Collapsible Rain Barrel Water Storage Containers | — | 53 Gallons | Foldable; leak-proof; portable |
| Rain Barrel Diverter Kit | — | Fits 2×3 or 3×4 inch downspouts | Adjustable flow; removable filter |
RTS Home Accents 50-Gallon ECO Rain Barrel

The RTS 50-Gallon ECO Rain Barrel is a flat-back design intended for easy placement against walls and corners. It is constructed from UV-resistant, 100% recycled polyethylene, providing a durable, weather-resistant option for collecting rainwater. An integrated overflow valve enables safe handling of excess water, and the system can be expanded by connecting multiple barrels for greater storage capacity. This option suits gardens, lawns, and plant beds where steady rainwater supplies are advantageous.
Anivia Rainwater Collection System

The Anivia Downspout Diverter Kit provides compatibility for standard 2×3 inch or 3×4 inch downspouts. It includes a removable filter window and filter net to keep debris out of the water, promoting clearer rainwater for garden use. An adjustable Switch Valve allows you to control water flow (OFF/Medium/High), enabling flexible watering for lawns, flower beds, and vegetable gardens. A 5-foot hose offers versatile routing for direct irrigation or storage containers.
RTS Home Accents 50-Gallon Barrel With Brass Spigot

This 50-gallon barrel variant emphasizes durability with UV-resistant polyethylene and a classic Walnut color. It includes a brass spigot for easy controlled water access and an overflow valve to prevent overfilling. The flat-back design continues to support close-to-wall installation, making it a practical option for homes seeking a simple, reliable rainwater collection setup without complex fittings.
Collapsible Rain Barrel Water Storage Containers

These collapsible, 53-gallon rain barrels offer portability and compact storage when not in use. Made from durable three-layer PVC, they provide a sturdy framework with circular footpads to prevent tipping. The design includes a simple, integrated faucet for leak-proof operation, reducing setup complexity. Ideal for temporary setups, seasonal gardening, or spaces where permanent installations aren’t feasible.
Rain Barrel Diverter Kit

The Rain Barrel Diverter Kit is designed to work with standard gutter downspouts (2×3 or 3×4 inches) to direct rainwater into a storage container. It includes a 5-foot retractable hose and a removable filter to reduce debris in the collected water. An adjustable flow valve provides control over how much rainwater is captured, allowing efficient use of captured water while preventing overflow during heavy rain events.
Buying Guide: Key Purchase Considerations For Water Barrel Gutter Systems
- Downspout compatibility: Verify that the diverter and hoses match your existing downspout dimensions (2×3 inches or 3×4 inches) to ensure a secure fit and optimal water transfer.
- Capacity and space: Choose a barrel size that aligns with your irrigation needs and available installation space. Larger volumes reduce refill frequency but require more wall or ground space.
- Material durability: Look for UV-resistant, high-density polyethylene or other weather-resistant materials to withstand sunlight exposure and temperature changes.
- Overflow and drainage: An integrated overflow valve helps avoid overfilling. Consider options that allow linking multiple barrels for expanded storage if you have a large roof area.
- Filtration and debris control: Downspout diverters with removable filters prevent leaves and debris from entering the water, protecting irrigation equipment and reducing clogs.
- Portability vs permanence: Collapsible or foldable designs offer transportability and easier storage, while rigid barrels provide permanence and steadier long-term use.
- Installation ease: Flat-back designs, simple faucet fittings, and clear assembly steps can shorten setup time and reduce maintenance needs.
- Maintenance considerations: Regular checks for leaks, filter cleaning, and gasket integrity help sustain performance and water quality for garden use.
- Environmental impact: Recycled-material barrels reduce waste and align with sustainable landscaping practices in many American communities.
- Integration with irrigation systems: If you use drip lines or soaker hoses, ensure your diverter kit and spigot are compatible with your irrigation plan and provide easy access for winterization.