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EWG's Tap Water Database — 2019 UPDATE

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Glyphosate

California Water Service (CWS) - Salinas

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.

 

71

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND200ND
2013ND200ND
2014ND170ND
2015ND80ND
2016ND10ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 5 ppb

The EWG 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.

EPA Maximum Contaminant
Level (MCL) 700 ppb

The legal limit for glyphosate, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s. This limit does not account for the cancer risks of glyphosate and does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-019590-106-1000ND
2012-02-019590-103-1122ND
2012-02-019590-123-1324ND
2012-02-029590-102-1140ND
2012-02-229590-046-1013ND
2012-05-039590-106-1152ND
2012-05-109590-103-1109ND
2012-05-229590-123-1158ND
2012-05-229590-102-1114ND
2012-05-249590-046-1434ND
2012-08-169590-103-1423ND
2012-08-169590-102-0939ND
2012-08-239590-123-1141ND
2012-08-239590-046-1123ND
2012-08-309590-106-1301ND
2012-11-149590-102-1117ND
2012-11-149590-103-0956ND
2012-11-159590-106-1304ND
2012-11-159590-046-1118ND
2012-11-199590-123-1020ND
2013-02-209590-103-1413ND
2013-02-219590-102-1005ND
2013-02-219590-046-1154ND
2013-02-279590-123-1144ND
2013-02-279590-106-1252ND
2013-05-029590-106-1017ND
2013-05-099590-102-1253ND
2013-05-149590-123-1558ND
2013-05-149590-103-1314ND
2013-05-309590-046-1138ND
2013-08-079590-106-1207ND
2013-08-079590-123-1020ND
2013-08-089590-102-1300ND
2013-08-089590-103-1031ND
2013-08-229590-046-1019ND
2013-11-069590-106-1541ND
2013-11-079590-102-1301ND
2013-11-079590-103-1348ND
2013-11-149590-046-1153ND
2013-11-149590-123-1333ND
2014-02-059590-046-1404ND
2014-02-129590-123-0930ND
2014-02-129590-103-1358ND
2014-02-129590-102-1315ND
2014-02-199590-106-1140ND
2014-05-079590-102-1418ND
2014-05-079590-103-1454ND
2014-05-139590-123-1026ND
2014-05-159590-046-1114ND
2014-08-049590-123-0936ND
2014-08-049590-102-0905ND
2014-08-049590-103-1412ND
2014-08-049590-046-1048ND
2014-11-129590-123-1404ND
2014-11-129590-102-1024ND
2014-11-129590-103-0954ND
2014-11-199590-046-1448ND
2015-02-079590-102-1103ND
2015-02-079590-103-1047ND
2015-02-079590-123-1137ND
2015-02-259590-046-1412ND
2015-05-149590-103-1507ND
2015-05-149590-102-1553ND
2015-05-149590-123-1434ND
2015-05-199590-046-1401ND
2016-12-299590-008-1413ND
2017-01-199590-014-1048ND
2017-03-029590-132-1100ND
2017-04-059590-005-1428ND
2017-11-219590-131-1240ND
2017-12-149590-132-1456ND