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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Clarence Cannon Wholesale Water Commission

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-02-25AC18957ND
2014-05-27AC23713ND
2014-08-20AC32494ND
2014-11-28AC38707ND
2015-02-23AC42523ND
2015-05-26AC47083ND
2015-08-31AC58051ND
2015-11-19AC63226ND
2016-02-29AC66899ND
2016-05-24AC72584ND
2016-08-29AC82260ND
2016-11-02AC87762ND
2017-02-13AC91349ND
2017-05-22AC96293ND
2017-08-28AD04065ND
2017-11-29AD09876ND
2018-02-19AD14829ND
2018-05-14AD20834ND
2018-08-06AD31592ND
2018-11-21AD36115ND
2019-03-04AD39917ND
2019-05-28AD47801ND
2019-08-20AD54390ND
2019-11-18AD58415ND