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EWG's Tap Water Database — 2021 UPDATE

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Alpha-hexachlorocyclohexane

City of Sherman

Alpha-HCH is a byproduct of the production of the insecticide lindane, which is no longer used in the U.S. The International Agency for Research on Cancer has classified all forms of this chemical as possibly carcinogenic to humans.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND180ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-2435370356018SEA1ND
2018-01-2435370356010SEA1ND
2018-01-2435370356017SEA1ND
2018-01-2435370356011SEA1ND
2018-01-2435370356012SEA1ND
2018-01-2435370356016SEA1ND
2018-01-2435370356014SEA1ND
2018-01-2435370356015SEA1ND
2018-05-29A8F0059-01ND
2018-07-18A8G3464-07ND
2018-07-18A8G3464-06ND
2018-07-18A8G3464-05ND
2018-07-18A8G3464-04ND
2018-07-18A8G3464-03ND
2018-07-18A8G3464-02ND
2018-07-18A8G3464-01ND
2018-08-20A8H3358-01ND
2018-11-2935434042001SEA3ND
2019-02-1235448051001SEA4ND