Where It Comes From
Produced when acetochlor degrades; it is more mobile and persistent in water than the parent pesticide [1].
How You Are Exposed
Mainly by drinking water (private wells or public systems) in agricultural areas; much less from food or air [1].
Why It Matters
Although less acutely toxic than acetochlor, its persistence and frequent detection make it a concern for drinking-water quality and a marker of pesticide contamination [1].
Who Is at Risk
People using private wells near row-crop fields; infants, young children, and pregnant people; communities relying on shallow or vulnerable aquifers [1].
How to Lower Your Exposure
Test private well water for acetochlor and degradates; ask your water utility for pesticide monitoring results; consider certified treatment (activated carbon or reverse osmosis) if contaminants are present; maintain well seals and follow local advisories [1][2].
References
- [1]U.S. EPA. Reregistration Eligibility Decision (RED) for Acetochlor. EPA 738-R-06-009, 2006.
- [2]U.S. EPA. Home Drinking Water Treatment Units – Point-of-Use Devices and Filters (EPA guidance on GAC/RO for contaminants).