Know Your Environment. Protect Your Health.

Endrin

Gurdon Waterworks

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND40ND
2020N/A00N/A
2021ND40ND
2022ND20ND
2023N/A00N/A

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
2018-01-2218025000706ND
2018-01-2218025000806ND
2018-02-2718060001801ND
2018-02-2718060001701ND
2018-04-2418115005506ND
2018-04-2418115005406ND
2019-01-2319024002006ND
2019-04-3019122001706ND
2019-08-0619220001806ND
2019-11-1819324000206ND
2021-03-0321063009401ND
2021-03-2221084000901ND
2021-04-0521098004106ND
2021-04-0521098004006ND
2022-01-1122013002606ND
2022-05-04O197615-OGC-1ND