Menu

EWG's Tap Water Database

Donate

Glyphosate

Green River Valley Water District

Glyphosate is the weedkiller marketed as Roundup. The state of California classifies glyphosate as a chemical known to cause cancer. Read More.

Glyphosate is classified as a probable human carcinogen by the International Agency for Research on Cancer and has been linked to increased risk of non-Hodgkin's lymphoma in people. Exposure to glyphosate during pregnancy may affect fetal development.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012ND20ND
2013N/A00N/A
2014N/A00N/A
2015ND20ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 5 ppb

The health guideline of 5 ppb for glyphosate was defined by EWG as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 700 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)700 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2012-04-102040265-01ND
2012-07-102071591-01ND
2015-04-145040158-01ND
2015-07-145070163-01ND