There are different types of rainwater collection systems, varying in capacity, function, and price. Rainwater Collection System Cost by Type A surface runoff system can have one grate or several, depending on your specific needs. If you cannot work within those limits, you may have to stick with an above-ground system. In-ground surface runoff systems must be located at least 10 feet away from any watertight sewer line and 50 feet away from any non-watertight sewer line to avoid contamination. It flows along the ground and down into grates, where it enters underground pipes and flows into a tank. Unlike with a rooftop system, surface runoffs make use of the ground itself as the collection area for the rainwater. This means letting the rain fall on the ground and then having it flow into a tank, which is usually situated below the ground. Surface runoff harvesting focuses on collecting runoff rainwater but involves a lot of labor and digging and has costs that range from $8,000 to $15,000.
In addition to being less costly, this method is also environmentally friendly. At a minimum, this system requires a collection area, a conveyance system, and somewhere for the water to be stored. It uses the roof as a catchment device, letting water land on the roof panes, flow into the gutters, and then be redirected into a tank. This method focuses on collecting rainwater directly from the roof. Rooftop rainwater harvesting is much cheaper than surface runoff harvesting and costs between $1,000 and $5,000 on average.
These methods work differently, but both involve collecting and storing rainwater for reuse, rather than simply letting it run off and drain away. There are two main methods for harvesting rainwater: rooftop rainwater harvesting and surface runoff harvesting. Rainwater Collection System Costs by Method Rainwater Harvesting System Cost Rainwater Catchment System Cost On the other end, prices can rise to $15,000 for a 5,000-gallon steel tank with a wet system, irrigation, excavation, and a sprinkler. For a 55 rain barrel with a spigot, the costs can be as low as $150. The national average cost ranges from $1,000 to $3,500, with many homeowners paying about $2,500 for a dry system with a 5,000 gallon polyethylene storage tank installed. The cost to install a rainwater collection system varies based on the type of system, materials, and needed labor. If you live in an area that experiences drought or if you find yourself frequently watering your lawn or garden, having a rainwater storage and distribution system can help offset relying on the municipal water supply. They can be simple or complex, but either way are a great way to save on your water bill and conserve water over the long term. Written by .Ī rainwater collection system is a way to capture rainwater to save and distribute later.
Reviewed by Cristina Miguelez remodeling expert.
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