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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Gretna, City of

Cyanazine, a cancer-causing chemical related to the herbicide atrazine, has been phased out of use in the U.S. since 1995. Cyanazine has been also linked to birth defects and damage to the central nervous system.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND110ND
2016ND10ND
2017ND20ND
2018ND50ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for cyanazine was defined by the Environmental Protection Agency as a lifetime health-based limit for effects other than cancer. This health guideline protects against .

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-13295503ND
2014-08-04311760ND
2015-05-26356550ND
2015-05-26356551ND
2015-05-26356549ND
2015-05-26356553ND
2015-05-26356552ND
2015-08-03375043ND
2015-08-03375042ND
2015-08-03375041ND
2015-08-03375040ND
2015-08-03375039ND
2015-10-13391386ND
2016-01-11ND
2017-05-08ND
2017-08-07ND
2018-05-14544418ND
2018-05-14544419ND
2018-05-14544420ND
2018-05-14544421ND
2018-08-13561106ND
2019-04-15605609ND
2019-08-12621565ND