Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Dinoseb

Cal-water Service Company - Chico

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND150ND
2015ND10ND
2016N/A00N/A
2017ND130ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-145810-140-1233ND
2014-01-295810-075-1015ND
2014-01-295810-062-0940ND
2014-02-055810-017-1305ND
2014-02-265810-054-1041ND
2014-03-115810-049-1135ND
2014-04-105810-074-0850ND
2014-04-165810-038-0842ND
2014-04-235810-140-0920ND
2014-05-065810-032-0904ND
2014-05-125810-063-0916ND
2014-05-135810-059-1040ND
2014-05-135810-041-1142ND
2014-06-245810-064-0939ND
2014-12-175810-007-0807ND
2015-07-145810-052-0700ND
2017-01-059590-017-0958ND
2017-01-189590-075-1127ND
2017-01-189590-062-1037ND
2017-02-149590-054-0902ND
2017-03-079590-049-1118ND
2017-03-229590-038-1140ND
2017-04-049590-074-0812ND
2017-05-049590-059-0908ND
2017-05-109590-041-1113ND
2017-05-109590-032-0850ND
2017-05-159590-063-0806ND
2017-06-199590-064-0926ND
2017-11-139590-007-0832ND