Know Your Environment. Protect Your Health.

Simazine

Cullman Utilities Board

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND30ND
2020ND20ND
2021ND40ND
2022ND70ND
2023ND40ND

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
2019-06-25L1112381-01ND
2019-09-09L1137180-04ND
2019-10-30L1155048-01ND
2020-09-1420171269001_ISOCND
2020-10-2120176646001_ISOCND
2021-03-1235618627001_ISOCND
2021-05-2435635607001_ISOCND
2021-08-0935654106001_ISOCND
2021-11-1535678186001_ISOCND
2022-01-1935691430001_ISOCND
2022-03-1635704232001_ISOCND
2022-04-2035712316001_ISOCND
2022-09-2135748352001_ISOCND
2022-10-1935754173001_ISOCND
2022-10-1935754173003_ISOCND
2022-11-21DC09899-01ND
2023-01-1935773717001_ISOCND
2023-04-2535794896001_ISOCND
2023-09-1535827952001ND
2023-10-1735835047001_ISOCND