Backflow is when water flows in the opposite of the intended direction. Water is pushed through pipes to your house because of the height of the water tower or your well pump. If a water main breaks, the well pump turns off, a fire hydrant is opened, or your irrigation system is being blown out or even if your neighbors are using a lot of water the water pressure in your house could be higher than the pressure in the main.
If the water pressure in your house is higher than the pressure in the water main then the water will flow in the wrong direction. A lack of pressure in the main will draw the water out of your house. Water in a lawn sprinkler can be contaminated by dirt, fertilizer, insecticide, animal waste etc. These contaminates can enter the irrigation pipes through the heads.
If the water pressure in your house is higher than the pressure in the water main then the water will flow in the wrong direction. A lack of pressure in the main will draw the water out of your house. Water in a lawn sprinkler can be contaminated by dirt, fertilizer, insecticide, animal waste etc. These contaminates can enter the irrigation pipes through the heads.
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Goodenough, Inc. is a Backflow testing and a sprinkler irrigation design and audit firm. We design sprinkler systems that prioritize water efficiency and conservation. Dean Goodenough has 30+ years in the irrigation industry. Goodenough, Inc. was an irrigation contractor for 20+ years, this experience leads to designs that are easier to install and therefore less expensive.
Why do we certify backflow devices- Backflow is when water flows in the opposite direction than it is intended to. Water can reverse flow when a fire hydrant is opened, a water main breaks, a pump or well is turned off, if there is a lot of water usage at the same time, etc. If water in a lawn sprinkler system reverses flow, dirt, fertilizer, and other contaminants can be drawn into your drinking water.
Using three of the four test cocks a backflow device is put through a series of tests to verify that it is working properly. Illinois Plumbing Code requires backflow devices to be tested each year and repaired if needed. When the handle of the ball valve is open the handle is parallel or running with the pipe.
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