Aldrin

Montara Water and Sanitary District

Aldrin is a pesticide that was banned in the 1970s due to its toxicity to people and wildlife, and its tendency to persist and accumulate in the environment.

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	8	ND
2015	ND	7	ND
2016	ND	8	ND
2017	ND	5	ND
2018	ND	5	ND
2019	ND	8	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-08-27	5810-011-0900	ND
2014-08-27	5810-001-1140	ND
2014-08-27	5810-003-1000	ND
2014-08-27	5810-014-1020	ND
2014-12-01	5810-011-1350	ND
2014-12-08	5810-014-1030	ND
2014-12-08	5810-003-1110	ND
2014-12-08	5810-001-1110	ND
2015-10-19	1233-032-1015	ND
2015-10-19	9590-030-0850	ND
2015-10-19	1233-030-0850	ND
2015-10-19	9590-032-1015	ND
2015-10-19	9590-031-1050	ND
2015-10-19	1233-031-1050	ND
2015-12-23	5810-015-0925	ND
2016-01-28	5810-011-0930	ND
2016-03-14	5810-015-0850	ND
2016-05-19	5810-008-0950	ND
2016-05-19	5810-010-1030	ND
2016-05-31	5810-012-1000	ND
2016-08-24	5810-012-0945	ND
2016-08-24	5810-010-1100	ND
2016-08-24	5810-008-1015	ND
2017-07-20	5810-003-1120	ND
2017-07-20	5810-001-0930	ND
2017-11-08	5810-001-1105	ND
2017-11-08	5810-014-0920	ND
2017-11-08	5810-003-0940	ND
2018-02-08	5810-014-0845	ND
2018-11-13	5810-015-0840	ND
2018-11-29	5810-031-0830	ND
2018-11-29	5810-030-0840	ND
2018-11-29	5810-032-0900	ND
2019-02-12	5810-015-0935	ND
2019-02-19	5810-030-0940	ND
2019-02-19	5810-031-0910	ND
2019-02-19	5810-032-1000	ND
2019-04-16	5810-010-1020	ND
2019-04-16	5810-008-1045	ND
2019-08-05	5810-010-0920	ND
2019-08-05	5810-008-1050	ND