Endrin

City of Surprise - Mountain Vista

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	ND	16	ND
2015	ND	12	ND
2016	ND	17	ND
2017	ND	15	ND
2018	ND	16	ND
2019	ND	16	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
2014-01-22	4011817-04S	ND
2014-01-22	4011817-03S	ND
2014-01-22	4011817-02S	ND
2014-01-22	4011817-01S	ND
2014-04-22	4041931-01	ND
2014-04-22	4041930-01	ND
2014-04-22	4041927-01	ND
2014-04-23	4041928-01	ND
2014-07-30	4072656-01S	ND
2014-07-30	4072658-01S	ND
2014-07-30	4072665-01S	ND
2014-07-30	4072667-01S	ND
2014-10-28	4102394-01S	ND
2014-10-28	4102393-01S	ND
2014-10-28	4102387-01	ND
2014-10-29	4102491-01S	ND
2015-01-21	5011694-04	ND
2015-04-20	5041746-01S	ND
2015-04-20	5041743-01S	ND
2015-04-20	5041742-01	ND
2015-04-20	5041741-01	ND
2015-07-28	5072564-01S	ND
2015-07-29	5072682-01S	ND
2015-07-29	5072676-01S	ND
2015-07-30	5072799-02S	ND
2015-10-12	5101379-01S	ND
2015-10-12	5101373-01	ND
2015-10-12	5101369-01	ND
2016-01-25	6012035-04T	ND
2016-01-25	6012035-03T	ND
2016-01-25	6012035-03S	ND
2016-01-25	6012035-02T	ND
2016-01-25	6012035-01T	ND
2016-04-26	6042226-01S	ND
2016-04-26	6042222-01S	ND
2016-04-26	6042223-01S	ND
2016-04-26	6042227-01S	ND
2016-07-26	6072329-01S	ND
2016-07-26	6072325-01S	ND
2016-07-26	6072323-01S	ND
2016-07-26	6072321-01S	ND
2016-10-24	6102137-01S	ND
2016-10-24	6102135-01SOC	ND
2016-10-24	6102133-01S	ND
2016-10-24	6102131-01S	ND
2017-01-30	7012591-04S	ND
2017-01-30	7012591-03S	ND
2017-01-30	7012591-02S	ND
2017-01-30	7012591-01S	ND
2017-04-20	7041996-01SOC	ND
2017-04-20	7041995-01SOC	ND
2017-04-20	7041987-01SOC	ND
2017-07-19	7071806-01SOC	ND
2017-07-19	7071805-01SOC	ND
2017-07-19	7071804-01SOC	ND
2017-07-19	7071802-01SOC	ND
2017-10-11	7101207-03RE1	ND
2017-10-11	7101207-01RE1	ND
2017-10-11	7101207-02RE1	ND
2017-10-11	7101207-04RE1	ND
2018-01-08	18A0734-04SOC	ND
2018-01-08	18A0734-03SOC	ND
2018-01-08	18A0734-02SOC	ND
2018-01-08	18A0734-01SOC	ND
2018-04-09	18D0971-04 SOC	ND
2018-04-09	18D0971-03 SOC	ND
2018-04-09	18D0971-02 SOC	ND
2018-04-09	18D0971-01 SOC	ND
2018-07-09	18G0785-04 SOC	ND
2018-07-09	18G0785-01 SOC	ND
2018-07-09	18G0785-02 SOC	ND
2018-07-09	18G0785-03 SOC	ND
2018-10-08	18J0826-04	ND
2018-10-08	18J0826-03	ND
2018-10-08	18J0826-02	ND
2018-10-08	18J0826-01	ND
2019-01-23	19A2463-01	ND
2019-01-23	19A2463-02	ND
2019-01-23	19A2463-03	ND
2019-01-23	19A2463-04	ND
2019-04-29	19D3107-04	ND
2019-04-29	19D3107-03	ND
2019-04-29	19D3107-02	ND
2019-04-29	19D3107-01	ND
2019-07-10	19G1241-04	ND
2019-07-10	19G1241-03	ND
2019-07-10	19G1241-02	ND
2019-07-10	19G1241-01	ND
2019-10-09	19J1279-02	ND
2019-10-09	19J1279-03	ND
2019-10-09	19J1279-04	ND
2019-10-09	19J1279-01	ND