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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Exeter Water Department

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND80ND
2014ND40ND
2015ND30ND
2016ND50ND
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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

All test results

Date Lab ID Result
2012-08-081208-00320-001ND
2012-11-071211-00136-001ND
2013-06-03722824-9013ND
2013-06-03722804-9006ND
2013-07-18122703.01ND
2013-09-08743141-9691ND
2013-09-08743143-9691ND
2013-10-09125385.02ND
2013-12-03761600-10389ND
2013-12-03761598-10389ND
2014-03-04773034-10870ND
2014-03-04773036-10870ND
2014-07-09133509.01ND
2014-10-09136708.02ND
2015-07-16145750.01ND
2015-09-09147823.01ND
2015-11-18150486.01ND
2016-01-13152193.01ND
2016-04-07154592.01ND
2016-07-13158246.01ND
2016-07-21158588.01ND
2016-10-04161298.01ND