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EWG's Tap Water Database — 2021 UPDATE

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Cyanazine (Bladex)

Southern California Edison Company-Santa Catalina

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.

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37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND150ND
2019N/A00N/A

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
2014-01-029588-041-1145ND
2014-03-139588-041-1030ND
2014-03-149588-006-1050ND
2014-03-149588-005-1108ND
2014-03-149588-016-1010ND
2014-03-189588-012-1415ND
2014-03-189588-014-1158ND
2014-03-189588-019-0950ND
2014-03-189588-020-1038ND
2014-03-189588-030-1224ND
2014-03-189588-031-1232ND
2014-07-109588-012-1030ND
2014-07-179588-019-1250ND
2014-07-179588-020-1425ND
2014-07-189588-016-1130ND
2014-07-189588-023-1100ND
2014-07-189588-012-1255ND
2014-07-189588-030-1215ND
2014-07-189588-006-1100ND
2014-07-219588-014-1130ND
2014-10-229588-012-1100ND
2014-11-049588-005-1108ND
2018-03-199588-006-1200ND
2018-03-199588-012-1130ND
2018-03-209588-005-1300ND
2018-03-209588-031-1030ND
2018-03-209588-016-1040ND
2018-06-229588-005-1240ND
2018-06-229588-006-1215ND
2018-06-259588-016-1210ND
2018-06-259588-019-1030ND
2018-06-259588-014-1120ND
2018-06-259588-020-1200ND
2018-06-259588-023-1030ND
2018-06-259588-030-1120ND
2018-06-259588-031-1220ND
2018-06-269588-012-1100ND