Endrin

Liberty Water Rio Rico

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	N/A	0	N/A
2015	ND	1	ND
2016	ND	12	ND
2017	N/A	0	N/A
2018	ND	3	ND
2019	ND	12	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2015-11-19	3362833	ND
2016-05-18	3453953	ND
2016-05-18	3453947	ND
2016-05-18	3453941	ND
2016-05-18	3453935	ND
2016-06-27	3479517	ND
2016-06-27	3479511	ND
2016-08-23	3530542	ND
2016-08-23	3530536	ND
2016-08-23	3530530	ND
2016-08-23	3530524	ND
2016-08-23	3530518	ND
2016-08-23	3530512	ND
2018-05-15	3939427	ND
2018-05-15	3939426	ND
2018-05-15	3939425	ND
2019-04-09	4257188	ND
2019-04-09	4257182	ND
2019-04-09	4257176	ND
2019-04-09	4257170	ND
2019-04-09	4257158	ND
2019-05-01	4281333	ND
2019-08-12	4386017	ND
2019-08-12	4386061	ND
2019-08-12	4386055	ND
2019-08-12	4386049	ND
2019-08-12	4386029	ND
2019-08-12	4386023	ND