Know Your Environment. Protect Your Health.

Endrin

North Wales Water Authority

Endrin is a banned organochlorine insecticide that is persistent and bioaccumulative. Endrin damages the nervous, immune and reproductive systems in people. It also harms fish, birds and other wildlife.

 

34

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
2019N/A00N/A
2020ND200ND
2021N/A00N/A
2022N/A00N/A
2023ND140ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppb

The EWG Health Guideline of 0.3 ppb for endrin was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to the heart and blood vessels.

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for endrin, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2020-04-0122025473.00ND
2020-04-2022026078.00ND
2020-04-2022026168.00ND
2020-04-2022026108.00ND
2020-04-2022026138.00ND
2020-04-2722217300.00ND
2020-04-2722217270.00ND
2020-04-2722217330.00ND
2020-04-2722217390.00ND
2020-04-2722217360.00ND
2020-07-0622609697.00ND
2020-07-2722801137.00ND
2020-07-2722801183.00ND
2020-07-2722801107.00ND
2020-07-2722801197.00ND
2020-07-2722801077.00ND
2020-08-3123001499.00ND
2020-08-3123001471.00ND
2020-08-3123001415.00ND
2020-08-3123001443.00ND
2023-04-0328704906.00ND
2023-04-0328704909.00ND
2023-04-0328704910.00ND
2023-04-0328704908.00ND
2023-04-0328704907.00ND
2023-05-1028902329.00ND
2023-06-0529110375.00ND
2023-07-1029304260.00ND
2023-07-1029304259.00ND
2023-07-1029304254.00ND
2023-07-1029304257.00ND
2023-07-1129304255.00ND
2023-07-1129304258.00ND
2023-07-1129304256.00ND