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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Cass County Rural Water District 1

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND30ND
2017ND30ND
2018ND50ND
2019ND50ND

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
2014-01-13278284ND
2014-04-07293427ND
2015-04-06353823ND
2016-04-04ND
2016-04-18ND
2016-04-18ND
2017-04-04ND
2017-07-17ND
2017-10-10ND
2018-01-08531811ND
2018-04-02543366ND
2018-04-30544365ND
2018-07-09560933ND
2018-10-22576994ND
2019-01-22590590ND
2019-04-22602844ND
2019-04-22604976ND
2019-07-08621105ND
2019-07-22617767ND