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Short entry

Alachlor in drinking water

Also listed as Alachlor (Lasso) · Lasso

We haven’t published a full explainer for Alachlor yet, so this page only shows what we can stand behind and where to go next.

This page can’t tell you what’s in your tap water.
Only a test of water from your own tap can. Public-system results describe the system, not your home.
1 source
01Private well guidanceWell Water · asks about your well02Check your public systemWater Check · system results only03Search WaterDecoderRelated pages and tools
Reference values

An enforceable limit for public water systems.

Enforceable limit · MCLFederal · public water systems
2 ppb

The highest level allowed in water a public system delivers. A legal limit, not a health goal.

Applies to
Water delivered by public water systems, not private wells
Status
In force
Source
EPA NPDWR MCL (0.002 mg/L) · 40 CFR §141.61(c)
Your stateNot held yetStates may set their own references. We don’t hold a state reference for alachlor yet.
Is it in my water?

Only a test can tell.

Start with the tool that matches your water source.

Private well → Well WaterAsks about your wellPublic water → Water CheckSystem results, not your tap · asks for your ZIP
Treatment

No treatment evidence yet.

We don’t hold treatment evidence for Alachlor yet, so we don’t describe methods or show products on this page.

References

Where these facts come from

  • 40 CFR §141.61(c) · EPA NPDWR MCL (0.002 mg/L)
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