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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Metropolitan Utilities District

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.

MORE ABOUT THIS CONTAMINANT

 

42

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
2015ND160ND
2016ND30ND
2017ND40ND
2018ND110ND
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
2014-04-14293528ND
2014-04-28295610ND
2014-04-28295612ND
2014-04-28295611ND
2015-04-20353921ND
2015-04-20353920ND
2015-04-20353922ND
2015-06-08357033ND
2015-06-08357034ND
2015-06-08357035ND
2015-06-08357039ND
2015-06-09357038ND
2015-06-09357037ND
2015-07-14374240ND
2015-08-10375175ND
2015-08-10375179ND
2015-08-10375178ND
2015-08-10375177ND
2015-08-10375176ND
2015-08-10375180ND
2016-04-18ND
2016-04-18ND
2016-04-18ND
2017-04-17ND
2017-04-17ND
2017-04-17ND
2017-07-11ND
2018-04-24543626ND
2018-04-24543625ND
2018-04-24543624ND
2018-06-05545297ND
2018-06-05545300ND
2018-06-05545301ND
2018-07-16560974ND
2018-08-28561293ND
2018-08-28561294ND
2018-08-28561295ND
2018-08-28561296ND
2019-04-29604249ND
2019-04-29604248ND
2019-04-29604247ND
2019-07-22621275ND