Know Your Environment. Protect Your Health.

Simazine

Brandon-irene Water Supply Corporation

NOTE: Brandon-irene Water Supply Corporation purchases water from Aquilla WSD which is required to test for simazine. Sample information shown below was taken by Aquilla WSD.

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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

NOTE: Brandon-irene Water Supply Corporation purchases water from Aquilla WSD which is required to test for simazine. Sample information shown below was taken by Aquilla WSD.

Date Lab ID Result
2018-01-09Q1800812001ND
2018-04-11Q1815019001ND
2018-07-11Q1827265003ND
2018-10-16Q1841141001ND
2019-01-15Q1902312001ND
2019-04-10Q1914816001ND
2019-07-10Q1943492001ND
2019-10-03Q1971024001ND
2020-01-14Q2001295001ND
2020-04-07Q2014013001ND
2020-07-09Q2026950001ND
2020-10-16Q2040574001ND
2021-01-07Q2100479001ND
2021-04-09Q2109290001ND
2021-07-07Q2117789001ND
2021-10-06Q2127561001ND
2022-01-05Q2200337001ND
2022-06-01Q2215521001ND
2022-08-10Q2223014003ND
2022-10-11Q2230678001ND
2023-01-10Q2301131002ND
2023-04-11Q2313318001ND
2023-07-17Q2327747003ND
2023-11-08Q2348145001ND