Capture free water from your roof and save up to 50% on water bills. From simple rain barrels to advanced storage tanks—sustainable solutions for urban gardens and homes.
Explore SystemsChoose from scalable systems designed for urban spaces—from beginner-friendly rain barrels to comprehensive whole-house setups.
Entry-level collection with 50-100 gallon barrels placed under downspouts. Perfect for small gardens, balconies, and first-time harvesters seeking affordable water conservation.
Learn MoreAbove-ground or underground tanks holding 500-10,000+ gallons. Suitable for serious gardeners, larger properties, and year-round water self-sufficiency.
Learn MoreMulti-stage filters remove debris, sediment, and contaminants. First-flush diverters and fine mesh screens ensure clean water for irrigation or household use.
Learn MoreIntegrated solutions connecting roof collection to toilets, washing machines, and outdoor irrigation. Includes pumps, controllers, and backup mains connection.
Learn MoreUnderground structures that channel rainwater to replenish groundwater aquifers. Ideal for areas with declining water tables and space constraints.
Learn MoreOff-grid setups with solar pumps and battery backup. Perfect for remote gardens, community plots, and sustainable living projects.
Learn MoreUnderstanding the key parts of a rainwater harvesting system helps you choose the right setup and maintain it properly.
Roof surfaces where rain falls and flows to gutters. RCC, metal, or tile roofs work best. A 100 m² roof can collect 64,000 liters annually with 800mm rainfall.
Semi-circular or rectangular channels transport water from roof edges to storage. Size 10-15% larger than needed to handle peak flow during heavy storms.
Diverts initial dirty water containing roof debris, bird droppings, and dust away from storage. Improves water quality significantly with minimal setup.
Central component holding collected water. Choose polyethylene, fiberglass, concrete, or metal based on capacity needs, budget, and installation location.
Safely directs excess water away from foundation when tank is full. Connect to storm drains, rain gardens, or percolation pits to prevent flooding.
Spigots, hoses, or pumps deliver water to gardens or household uses. Gravity-fed for simple setups; electric pumps for pressurized whole-house systems.
Step-by-step process for installing a basic rain barrel system—most homeowners can complete this in 2-3 hours.
Choose downspout location with level ground and access to garden. Ensure foundation slopes away from house. Calculate roof area to determine barrel size needed.
Create raised, level base with concrete blocks or pavers. Full barrel weighs 400+ lbs—stable foundation prevents tipping. Elevate 12-18" for hose pressure.
Drill holes for spigot (near bottom) and overflow pipe (near top). Apply Teflon tape and silicone caulking for watertight seals. Add screen mesh over inlet opening.
Cut downspout with hacksaw to height just above barrel inlet. Attach elbow and secure with screws and straps. Direct overflow away from foundation.
Estimate how much water you can harvest from your roof based on dimensions and local rainfall.
Formula: Roof Area (sq ft) × Rainfall (inches) × 0.623 × 0.75 (efficiency) = Gallons collected
Example: 1,000 sq ft roof in 1" rain = 1,000 × 1 × 0.623 × 0.75 = 467 gallons
Investment ranges for different harvesting systems including materials and installation.
| System Type | Capacity | Cost Range | Best Use |
|---|---|---|---|
| Basic Rain Barrel (DIY) | 50-100 gallons | $50 - $150 | Small gardens, starter systems |
| Premium Rain Barrel (Ready) | 50-100 gallons | $100 - $300 | Decorative, easy-install barrels |
| Multiple Barrel System | 200-500 gallons | $300 - $800 | Medium gardens, extended dry periods |
| Above-Ground Tank (Pro) | 500-2,500 gallons | $800 - $3,500 | Large properties, serious harvesters |
| Underground Cistern | 1,000-10,000+ gallons | $3,000 - $15,000+ | Whole-house systems, estates |
| Complete Whole-House System | 3,000-10,000 gallons | $8,000 - $25,000 | Indoor use, full self-sufficiency |
Save up to 50% on mains water usage by substituting rainwater for irrigation, toilet flushing, and washing machines. Systems pay for themselves in 2-5 years.
Reduce strain on municipal water supplies and treatment plants. Lower your carbon footprint by decreasing energy used to pump and treat mains water.
Rainwater is naturally soft, chlorine-free, and ideal for plants. No salts, minerals, or chemicals found in groundwater or municipal supplies.
Independent water supply during restrictions or shortages. Continue watering gardens and maintaining landscapes when municipal bans are in effect.
Reduce stormwater runoff that overwhelms urban drainage systems. Harvesting 1,000 gallons during storms relieves pressure on infrastructure and prevents erosion.
Overflow directed to recharge pits replenishes aquifers. Combats falling water tables in urban areas with heavy extraction and impermeable surfaces.
Multiple applications for harvested rainwater depending on filtration level and local regulations.
| Use Category | Applications | Filtration Required | Annual Savings |
|---|---|---|---|
| Garden Irrigation | Vegetables, flowers, lawns, trees | Basic screen filter | $100 - $400 |
| Toilet Flushing | Household toilets (non-potable) | First-flush + sediment filter | $150 - $300 |
| Laundry | Washing machines (soft water ideal) | Multi-stage filtration | $100 - $200 |
| Car/House Washing | Outdoor cleaning, pressure washing | Basic screen filter | $50 - $100 |
| Livestock Watering | Chickens, goats, horses (filtered) | Fine filter + UV treatment | $200 - $500 |
| Groundwater Recharge | Refilling aquifers via recharge pits | Minimal (sediment only) | Community benefit |
Real experiences from urban residents harvesting rainwater for sustainable living.
"Our two 60-gallon barrels collect enough water for our entire vegetable garden from May through September. We haven't used city water for irrigation in three years!"
"The 2,500-gallon tank installed for our community garden provides water for 40 plots. We calculated 18,000 gallons harvested last year—enough for the entire growing season."
"Installing rain barrels was easier than expected—took 90 minutes total. During a recent 2-inch storm, we collected 124 gallons. That's $0.80 saved on our water bill per storm!"
Turn your roof into a water source and embrace sustainable living. Get expert guidance on system selection, installation, and maintenance for your property.
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