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EWG's Tap Water Database — 2019 UPDATE

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Endothall

California Water Service (CWS) - Salinas

Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.

 

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 94 ppb

The EWG Health Guideline of 94 ppb for endothall was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for endothall, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-019590-106-1000ND
2012-02-019590-103-1119ND
2012-02-019590-123-1330ND
2012-02-029590-102-1147ND
2012-02-229590-046-1014ND
2012-05-039590-106-1151ND
2012-05-109590-103-1101ND
2012-05-229590-123-1208ND
2012-05-229590-102-1124ND
2012-05-249590-046-1436ND
2012-08-169590-103-1417ND
2012-08-169590-102-0948ND
2012-08-239590-123-1149ND
2012-08-239590-046-1124ND
2012-08-309590-106-1257ND
2012-11-149590-102-1123ND
2012-11-149590-103-0948ND
2012-11-159590-106-1303ND
2012-11-159590-046-1120ND
2012-11-199590-123-1026ND
2013-02-209590-103-1406ND
2013-02-219590-102-1012ND
2013-02-219590-046-1156ND
2013-02-279590-123-1150ND
2013-02-279590-106-1251ND
2013-05-029590-106-1015ND
2013-05-099590-102-1259ND
2013-05-149590-123-1605ND
2013-05-149590-103-1308ND
2013-05-309590-046-1140ND
2013-08-079590-106-1203ND
2013-08-079590-123-1030ND
2013-08-089590-102-1310ND
2013-08-089590-103-1017ND
2013-08-229590-046-1021ND
2013-11-069590-106-1540ND
2013-11-079590-102-1313ND
2013-11-079590-103-1337ND
2013-11-149590-046-1155ND
2013-11-149590-123-1341ND
2014-02-059590-046-1406ND
2014-02-129590-123-0940ND
2014-02-129590-103-1346ND
2014-02-129590-102-1325ND
2014-02-199590-106-1138ND
2014-05-079590-102-1431ND
2014-05-079590-103-1442ND
2014-05-139590-123-1037ND
2014-05-159590-046-1117ND
2014-08-049590-123-0945ND
2014-08-049590-102-0915ND
2014-08-049590-103-1408ND
2014-08-049590-046-1052ND
2014-11-129590-123-1412ND
2014-11-129590-102-1034ND
2014-11-129590-103-0944ND
2014-11-199590-046-1450ND
2015-02-079590-102-1108ND
2015-02-079590-103-1042ND
2015-02-079590-123-1142ND
2015-02-259590-046-1410ND
2015-05-149590-103-1502ND
2015-05-149590-102-1558ND
2015-05-149590-123-1439ND
2015-05-199590-046-1402ND
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