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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Averydale Mutual Water Company

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND70ND
2014ND30ND
2015ND40ND
2016ND40ND
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2013-05-143761-006-1314ND
2013-05-143761-004-1232ND
2013-05-143761-001-1300ND
2013-08-133761-006-1127ND
2013-08-133761-004-1013ND
2013-08-133761-001-1121ND
2013-08-133761-003-1022ND
2014-08-193761-006-1320ND
2014-08-193761-003-1346ND
2014-09-093761-001-0918ND
2015-02-173761-004-1414ND
2015-10-133761-001-1515ND
2015-10-133761-003-1442ND
2015-10-133761-006-1532ND
2016-02-163761-004-1412ND
2016-08-163761-001-1425ND
2016-08-163761-006-1421ND
2016-08-163761-003-1345ND
2017-02-213761-004-1343ND
2017-08-223761-006-1437ND
2017-08-223761-003-1347ND
2017-08-223761-001-1429ND