Menu

EWG's Tap Water Database

Donate

Heptachlor

Fairview Union Water System

Heptachlor is an insecticide used for termite control until 1988. It is linked to cancer, hormone disruption and neurotoxicity.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND20ND
2011ND20ND
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.008 ppb

The health guideline of 0.008 ppb for heptachlor 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.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 0.4 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)0 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-06-07AD39802ND
2010-06-07AD39802ND
2010-12-281012024-10ND
2010-12-281012024-10ND
2011-05-16AD53431ND
2011-05-16AD53431ND
2011-11-08AD61716ND
2011-11-08AD61716ND
2012-03-19AD64420ND
2012-03-19AD64420ND
2012-10-22AD72495ND
2012-10-22AD72495ND
2013-03-25AD76353ND
2013-03-25AD76353ND
2013-08-12AD82270ND
2013-08-12AD82270ND
2014-04-14AD90605ND
2014-04-14AD90605ND
2014-09-15AD97160ND
2014-09-15AD97160ND
2015-03-0935178883001ND
2015-03-0935178883001ND
2015-10-1235211703001ND
2015-10-1235211703001ND