Alachlor (Lasso)

Brookwood Comm. Water System

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

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111

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	43	ND
2015	ND	7	ND
2016	ND	7	ND
2017	ND	42	ND
2018	ND	6	ND
2019	ND	6	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-01-06	C315487-01RE1	ND
2014-01-08	C315489-01	ND
2014-04-21	C402205-01	ND
2014-05-15	C402200-01	ND
2014-08-25	C407347-01	ND
2014-08-25	C407364-01	ND
2014-08-25	C407367-01	ND
2014-09-08	C407352-01	ND
2014-09-08	C407356-01	ND
2014-09-08	C407358-01	ND
2014-09-08	C407343-01	ND
2014-09-08	C407354-01	ND
2014-09-09	C407341-01	ND
2014-09-09	C407349-01	ND
2014-09-09	C411674-01	ND
2014-09-09	C407345-01	ND
2014-09-11	C407368-01	ND
2014-09-15	C407339-01	ND
2014-09-15	C407371-01	ND
2014-09-15	C407371-02	ND
2014-09-16	C407365-01	ND
2014-09-16	C407365-02	ND
2014-09-17	C411407-01	ND
2014-09-17	C407360-01	ND
2014-09-17	C407369-01	ND
2014-10-16	C411540-01	ND
2014-10-16	C411546-01	ND
2014-10-16	C411550-01	ND
2014-10-21	C411542-01	ND
2014-10-21	C411557-01	ND
2014-10-21	C411559-01	ND
2014-10-21	C411559-02	ND
2014-10-21	C411541-01	ND
2014-10-21	C411553-01	ND
2014-10-21	C411555-01	ND
2014-10-22	C411536-01	ND
2014-10-22	C411554-01	ND
2014-10-24	C411538-01	ND
2014-10-24	C413726-01	ND
2014-10-28	C411544-01RE1	ND
2014-12-10	C411551-01	ND
2014-12-10	C413977-01	ND
2014-12-16	C411558-01	ND
2015-01-08		ND
2015-04-28		ND
2015-04-29		ND
2015-09-14		ND
2015-10-12		ND
2015-11-04		ND
2015-12-02		ND
2016-03-21	C515375-01	ND
2016-05-03	CZ02641-01	ND
2016-05-09	CZ02646-01	ND
2016-07-28	CZ07701-01	ND
2016-10-04	CZ12559-01	ND
2016-10-05	CZ12562-01	ND
2016-10-06	CZ12563-01	ND
2017-01-27	CZ17238-01	ND
2017-06-01	CA02288-01	ND
2017-06-01	CA02290-01	ND
2017-06-06	CA02295-01	ND
2017-08-16	CA07508-02	ND
2017-08-17	CA07500-01	ND
2017-08-17	CA07512-01	ND
2017-08-17	CA07497-01	ND
2017-08-17	CA07517-01	ND
2017-08-17	CA12575-01	ND
2017-08-18	CA07484-01	ND
2017-08-18	CA07487-01	ND
2017-08-18	CA07487-02	ND
2017-08-18	CA07489-01	ND
2017-08-18	CA07492-01	ND
2017-08-18	CA07502-01	ND
2017-08-18	CA07504-01	ND
2017-08-18	CA07509-01	ND
2017-08-18	CA07509-02	ND
2017-08-18	CA07514-01	ND
2017-08-23	CA12957-01	ND
2017-08-24	CA07494-01	ND
2017-08-24	CA07515-01	ND
2017-08-30	CA07485-01	ND
2017-10-26	CA12697-01	ND
2017-10-26	CA12704-01	ND
2017-10-26	CA12714-01	ND
2017-11-01	CA12706-01	ND
2017-11-16	CA12701-01	ND
2017-11-16	CA12701-02	ND
2017-11-16	CA12703-01	ND
2017-11-16	CA12718-01	ND
2017-11-17	CA12698-01	ND
2017-11-17	CA12702-01	ND
2017-11-22	CA12713-01	ND
2017-11-22	CA12713-02	ND
2017-11-22	CA12716-01	ND
2017-11-29	CA12710-01	ND
2017-11-29	CA12711-01	ND
2017-11-29	CA12719-01	ND
2017-11-29	CA12720-01	ND
2017-11-29	CA12720-02	ND
2018-01-25	CA17842-01	ND
2018-05-15	CB02569-01	ND
2018-05-16	CB02563-01	ND
2018-07-25	CB07839-01	ND
2018-10-17	CB13082-01	ND
2018-10-23	CB13086-01	ND
2019-01-17	CB17901-01	ND
2019-05-02	CC02978-01	ND
2019-05-07	CC02973-01	ND
2019-08-28	CC09170-01	ND
2019-10-29	CC14189-01	ND
2019-12-04	CC14191-01	ND