Know Your Environment. Protect Your Health.

Simazine

Liberty City Water Supply Corporation

Simazine is a hormone-disrupting herbicide related to atrazine. It affects the male and female reproductive systems. In studies of laboratory animals, simazine increases blood levels of estrogen, decreases prolactin and progesterone, and causes mammary and ovarian tumors.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020ND20ND
2021ND40ND
2022ND20ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for simazine was defined by EWG based on epidemiological studies of human exposure to atrazine in drinking water. This health guideline protects against harm to the developing fetus, harm to the reproductive system and hormone disruption.

EPA Maximum Contaminant
Level (MCL): 4 ppb

The legal limit for simazine, established in 1992, was based on toxicity studies in laboratory animals conducted in the 1980s. This limit does not fully protect against harm to the reproductive system, harm to the developing fetus, and hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-14Q1823909001ND
2018-06-14Q1823909002ND
2018-06-14Q1823909014ND
2018-06-14Q1823909015ND
2019-03-28Q1912649002ND
2019-03-28Q1912649015ND
2020-06-15Q2023825003ND
2020-10-13Q2039989013ND
2021-06-24Q2116619001ND
2021-11-19Q2132571001ND
2021-11-19Q2132571002ND
2021-11-19Q2132571003ND
2022-03-28Q2209608001ND
2022-10-24Q2231971007ND
2023-02-16Q2306532005ND
2023-06-14Q2322655008ND