diquat

How will I know if diquat is in my drinking water?

If you are concerned about diquat in a private well, please visit:

The major source of diquat in drinking water is runoff from herbicide use.

EPA regulates diquat in drinking water to protect public health.

This health effects language is not intended to catalog all possible health effects for diquat.

The herbicides paraquat and diquat are toxic not only to plants, but also to animals including humans.

What are diquat's health effects?

What are EPA's drinking water regulations for diquat?

Rather, it is intended to inform consumers of some of the possible health effects associated with diquat in drinking water when the rule was finalized.

The herbicide most widely used is glyphosate, while use of diquat and glufosinate is much more limited.

What is diquat?

Uses for diquat.

Other chemicals such as hexazinone and diquat and double chelated copper are used together to kill S. molesta.

The following treatment method(s) have proven to be effective for removing diquat to below 0.02 mg/L or 20 ppb: granular activated carbon.

All the beverages were poisoned with the herbicide paraquat except for one which was poisoned with diquat.

Health Effects Some people who drink water containing diquat in excess of the MCL over many years could get cataracts.

Treatments have included mechanical and hand removal and application of appropriate aquatic herbicides including diquat and glyphosate upon remaining plants.

The widespread invasive Eurasian watermilfoil (M. spicatum) is often controlled with herbicide containing diquat dibromide.

Knockout mice of any SOD enzyme are more sensitive to the lethal effects of superoxide generating drugs, such as paraquat and diquat.

EPA's private drinking water wells Web site Water Systems Council Web site What are diquat's health effects?

States may set more stringent drinking water MCLGs and MCLs for diquat than EPA.

When routine monitoring indicates that diquat levels are above the MCL, your water supplier must take steps to reduce the amount of diquat so that it is below that level.

Bipyridinium herbicides (such as diquat and paraquat) hit the "Fe-S - Fdx step" while diphenyl ether herbicide (such as nitrofen, nitrofluorfen, and acifluorfen) hit the "Fdx - NADP step".