Know Your Environment. Protect Your Health.

Cyanazine (Bladex)

Pierce, City of

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND50ND
2021ND40ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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 non-cancer toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-23543502ND
2018-11-19577279ND
2018-11-19577280ND
2019-04-22603976ND
2019-09-09634550ND
2019-10-07638481ND
2020-01-21650644ND
2020-04-06667160ND
2020-05-04668242ND
2020-07-06681482ND
2020-11-09699970ND
2021-04-27727593ND
2021-10-12763938ND
2021-11-01763940ND
2021-11-01763939ND
2022-10-24833718ND
2023-10-16890918ND