Short entry

1,2-Dichloroethane in drinking water

Also listed as 1,2-DCA · Ethylene dichloride · 1,2 Dichloroethane

We haven’t published a full explainer for 1,2-Dichloroethane 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.

Reference values

A legal limit — and a lower health goal.

Enforceable limit · MCLFederal · public water systems

5 ppb

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

Health-based goal · MCLGFederal · not enforceable

0 ppb

The level below which no known health risk is expected. A goal, not a limit.

Applies to: Set alongside the rule as a public-health goal
Status: Published goal
Source: EPA National Primary Drinking Water Regulations — MCLG zero · 40 CFR §141.50

How they relate

Health-based goalNo known risk expected below itEnforceable limitThe legal maximum

Water between the two isn’t automatically safe. A goal and a legal limit answer different questions. Positions are illustrative, not to scale.

Your stateNot held yetStates may set their own references. We don’t hold a state reference for 1,2-dichloroethane yet.

Is it in my water?

Start with the tool that matches your water source.

Treatment

We don’t hold treatment evidence for 1,2-Dichloroethane yet, so we don’t describe methods or show products on this page.

References