Soil Moisture Sensors – The Most Effective Way to Irrigate
Soil moisture–based control technologies water plants based on their needs by measuring the amount of moisture in the soil and tailoring irrigation schedules accordingly. Studies suggest that soil moisture sensors can result in water savings of at least 20 percent, potentially saving millions of gallons of water across the country. Soil moisture–based control technologies that earn the WaterSense label will take the guesswork out of watering and help improve irrigation system efficiency.
As an alternative to convention irrigation controllers, soil moisture-based control technologies make irrigation schedule adjustments by automatically tailoring the amount and frequency and timing of irrigation events based on the moisture content of the soil in the landscape.
WaterSense has issued its Notice of Intent to develop a specification for soil moisture–based control technologies. If you are interested in participating in developing the specification for soil moisture-based control technology Click Here to send your comments to the EPA WaterSense Program.
Approved Weather-based Irrigation Controller Specification
Soil moisture-based control is designed to work in conjunction with the WaterSense Weather-based Irrigation Controller Specification. Replacing a standard irrigation controller with a WaterSense labeled irrigation controller can save an average home nearly 8,800 gallons of water annually. If every home in the United States with an automatic sprinkler system installed and properly operated a WaterSense labeled controller, we could save $435 million in water costs and 120 billion gallons of water across the country annually from not overwatering lawns and landscapes. That’s equal to the annual household water needs of nearly 1.3 million average American homes.
Earning the WaterSense Label
To earn the WaterSense label, landscape irrigation controllers must be able to adequately meet the watering needs of a landscape without overwatering. As with all other WaterSense labeled products, WaterSense labeled controllers will be independently certified to ensure that they meet the WaterSense criteria for efficiency and performance.
About the EPA WaterSense Program
WaterSense, a partnership program by the U.S. Environmental Protection Agency, seeks to protect the future of our nation’s water supply by offering people a simple way to use less water with water-efficient products, new homes, and services.
WaterSense brings together a variety of stakeholders to:
- Promote the value of water efficiency.
- Provide consumers with easy ways to save water, as both a label for products and an information resource to help people use water more efficiently.
- Encourage innovation in manufacturing.
- Decrease water use and reduce strain on water resources and infrastructure.
The program seeks to help consumers make smart water choices that save money and maintain high environmental standards without compromising performance. Products and services that have earned the WaterSense label have been certified to be at least 20 percent more efficient without sacrificing performance.
Upgrading to more efficient WaterSense labeled products can help us to save billions of gallons of water in the country every year. Something as simple as twisting on a WaterSense labeled aerator and upgrading to a WaterSense labeled faucet could save a household 11,000 gallons over the life of the faucet. Learn more about how you can save water and help WaterSense preserve and protect our nation’s water resources.