Know Your Environment. Protect Your Health.

Dinoseb

Kennett Square Municipal Water Works

NOTE: Kennett Square Municipal Water Works purchases water from Chester Water Authority which is required to test for dinoseb. Sample information shown below was taken by Chester Water Authority.

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
2020ND40ND
2021N/A00N/A
2022ND10ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

NOTE: Kennett Square Municipal Water Works purchases water from Chester Water Authority which is required to test for dinoseb. Sample information shown below was taken by Chester Water Authority.

Date Lab ID Result
2018-04-102308353001ND
2020-02-0321663743.00ND
2020-04-0322019223.00ND
2020-07-0122603915.00ND
2022-11-0827819933.00ND
2023-05-1028896370.00ND
2023-07-1229299127.00ND
2023-12-0730242260.00ND