Create a complete Rainwater Harvesting and Stormwater Management System with BARR's belowground or aboveground plastic or fibreglass tanks, filters, diverters, pumps, strainers and many other options for outdoor or indoor use. Control stormwater runoff and pollution while saving up to 50% on your water bills.
Plan Your Rainwater Harvesting System with Confidence
Looking to start a rainwater harvesting system or improve the one you’ve got? You're in the right place. At BARR Plastics, we not only provide top-quality products for capturing and managing rainwater—we also offer free, easy-to-use customer tools to help you make informed decisions every step of the way.
Whether you’re sizing a tank, estimating system flow, or figuring out how much space you need, our tools simplify the process and take the guesswork out of your planning.
Why Rainwater Harvesting?
Rainwater harvesting isn’t just good for the environment—it’s a smart way to cut down on water bills, reduce runoff, and become more self-sufficient. Collected rainwater can be reused for:
- Irrigating lawns, gardens, and crops
- Flushing toilets or washing vehicles
- Filling ponds or livestock watering
- Fire suppression systems
- Supplementing non-potable water supply in homes or businesses
With the right setup, a rainwater harvesting system can supply a large portion of your outdoor and indoor water needs—especially in areas with limited municipal water or seasonal restrictions.
Build Your System with BARR Plastics
We don’t just offer helpful tools—we also stock everything you need to build a complete rainwater harvesting system, from the roof to the tap.
Here’s a quick look at what we offer:
✔️ Tanks
Choose from aboveground or underground tanks in a wide range of sizes and materials. Whether you need something compact for residential use or a larger option for commercial or agricultural operations, we’ve got you covered.
✔️ Filters & Diverters
Keep leaves, debris, and contaminants out of your tank with high-quality filters and downspout diverters. Clean water starts here.
✔️ Pumps & Strainers
From simple hand pumps to automatic submersibles and jet pumps, we carry solutions for every application. We also offer foot valves, strainers, and fittings to keep water flowing smoothly.
✔️ Accessories
Lids, screens, gauges, overflow kits, pipe fittings—you name it. We carry everything you need to install, expand, or maintain your system.
Who Uses These Tools?
Our tools and products are designed for homeowners, contractors, architects, and engineers alike. Here’s how different users benefit:
- Homeowners: Planning a DIY rain barrel or garden irrigation system? Use our tools to pick the right tank and make sure it fits your yard.
- Contractors: Speed up site planning and material selection by converting volumes and flows on the fly.
- Designers & Engineers: Accurately size components and translate specs across systems with ease.
Whether it’s your first project or your hundredth, our tools are here to help you get it done right.