Know Your Environment. Protect Your Health.

Endrin

Castle Mountain Creeks Owners Association

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.

 

13

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
2019ND10ND
2020ND40ND
2021ND40ND
2022ND40ND
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
2019-01-07S1900713ND
2020-02-11S2006067ND
2020-05-13S2021731ND
2020-08-24S2041261ND
2020-12-08S2061672ND
2021-01-08S2101074ND
2021-04-15S2117132ND
2021-07-15S2135856ND
2021-10-26S2157582ND
2022-03-07S2210666ND
2022-04-06S2216003ND
2022-09-15S2246108ND
2022-12-22S2262581ND