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EWG's Tap Water Database — 2021 UPDATE

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Lindane

City of Morgan Hill

Lindane is a neurotoxic and carcinogenic insecticide phased out of agricultural use in the U.S. since 2002. It is prescribed to treat lice or scabies, although safer alternatives are available.

MORE ABOUT THIS CONTAMINANT

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND80ND
2015ND20ND
2016ND120ND
2017ND60ND
2018ND20ND
2019ND120ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.032 ppb

The EWG Health Guideline of 0.032 ppb for lindane 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 cancer.

EPA Maximum Contaminant
Level (MCL) 0.2 ppb

The legal limit for lindane, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-125810-032-0920ND
2014-05-125810-017-1015ND
2014-05-285810-012-0930ND
2014-06-235810-010-0815ND
2014-09-105810-032-1020ND
2014-09-105810-017-0950ND
2014-09-105810-010-0920ND
2014-09-105810-012-0845ND
2015-05-185810-002-0900ND
2015-07-211610-001-1010ND
2016-05-095867-015-0930ND
2016-05-095867-016-0730ND
2016-05-095867-008-0815ND
2016-05-095867-009-0900ND
2016-05-165867-043-0740ND
2016-05-165867-040-0830ND
2016-08-221610-009-0930ND
2016-08-221610-015-1000ND
2016-08-221610-008-0830ND
2016-08-221610-016-0900ND
2016-08-221610-043-0730ND
2016-08-221610-040-0800ND
2017-05-089588-017-0900ND
2017-05-089588-032-0800ND
2017-05-221610-012-0720ND
2017-08-141610-017-0830ND
2017-08-141610-032-0800ND
2017-08-141610-012-0900ND
2018-10-301610-001-0930ND
2018-12-111610-001-0730ND
2019-05-071610-040-0715ND
2019-05-071610-043-0630ND
2019-05-071610-016-0930ND
2019-05-071610-015-0830ND
2019-05-071610-009-0800ND
2019-05-071610-008-1000ND
2019-09-101610-040-1000ND
2019-09-101610-016-0900ND
2019-09-101610-043-0940ND
2019-09-101610-015-0800ND
2019-09-101610-009-0730ND
2019-09-101610-008-0830ND