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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Hannibal

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
2013N/A00N/A
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
2014-02-21AC18945ND
2014-05-23AC23700ND
2014-08-18AC32482ND
2014-12-01AC38695ND
2015-02-20AC42511ND
2015-05-14AC47070ND
2015-08-31AC58039ND
2015-11-12AC63214ND
2016-02-18AC66887ND
2016-05-13AC72571ND
2016-08-25AC82248ND
2016-11-21AC87750ND
2017-02-10AC91337ND
2017-05-12AC96280ND
2017-08-28AD04053ND
2017-11-29AD09864ND
2018-02-19AD14817ND
2018-05-14AD20821ND
2018-08-13AD31528ND
2018-11-27AD36103ND
2019-03-04AD39905ND
2019-05-20AD47788ND
2019-08-19AD54378ND
2019-11-18AD58403ND