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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Boonville PWS

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.

 

25

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
2017ND50ND
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
2014-02-28AC18962ND
2014-05-28AC23718ND
2014-08-31AC32499ND
2014-12-01AC38712ND
2015-02-25AC42528ND
2015-05-31AC47088ND
2015-09-07AC58056ND
2015-11-30AC63231ND
2016-02-29AC66904ND
2016-05-31AC72589ND
2016-08-29AC82265ND
2016-11-03AC87767ND
2017-02-14AC91354ND
2017-05-29AC96298ND
2017-07-30AD02853ND
2017-08-30AD04070ND
2017-12-13AD09881ND
2018-02-27AD14834ND
2018-05-23AD20839ND
2018-08-22AD31540ND
2018-11-29AD36120ND
2019-03-08AD39922ND
2019-05-21AD47806ND
2019-08-28AD54394ND
2019-11-20AD58419ND