EXCERPT Protecting the Potable Water Supply from Irrigation Systems (2021)

Irrigation systems can be found just about anywhere, from industrial complexes to homes. But not all irrigation systems are the same; some irrigation systems include fertilizer injection and/or chemigation, while others do not. So, it is important to understand why irrigation systems pose a threat to the potable water supply and what type of backflow protection is necessary to protect the drinking water.
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