Rain barrels let you capture free rainwater from gutters and downspouts to irrigate lawns, gardens, and landscapes while cutting municipal water bills. This category features compact 40–65 gallon models, high-capacity 100+ gallon systems, and linkable kits for expanding storage as your watering needs grow. Choose between UV-resistant polyethylene, wood-look resin, food-grade recycled drums, or collapsible fabric tanks that store flat in the off-season.

Key features to compare include a screened inlet to block debris and mosquitoes, an overflow port or downspout diverter to redirect excess water, a brass spigot or hose bib for filling watering cans, and a lower bulkhead outlet for gravity-feeding soaker hoses or drip irrigation. Look for BPA-free materials, child-safe locking lids, and freeze-ready designs with drain plugs. Decorative options—urns, whiskey barrel styles, and terracotta finishes—blend with outdoor décor without sacrificing performance.

Installation is straightforward: position the barrel on a stable, level stand to increase pressure, connect a diverter to the gutter downspout, attach an overflow line away from foundations, and test for leaks. Add a leaf filter or first-flush unit to improve water quality, and consider a small transfer pump if you need higher pressure for sprinklers or long hose runs.

Sizing tip: one inch of rain on 1,000 square feet of roof yields about 600 gallons. Match capacity to roof area and climate, and plan for safe winterizing in freezing zones by draining and disconnecting. Routine maintenance is simple—clean the screen, flush sediment, and check seals.

Rainwater harvesting supports water conservation, stormwater management, and drought resilience. Whether you’re feeding raised beds, topping up a pond, or spot-watering new trees, rain barrels deliver reliable, low-cost irrigation that helps your plants thrive and your outdoor drainage system work smarter. Shop by size, material, and feature set to build a custom, efficient rainwater collection system for your home.