Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,2,3-Trichloropropane

Riverhead WD

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.

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0291 ppb111ND - 0.320 ppb
20140.0273 ppb111ND - 0.300 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/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
2013-09-1817707ND
2013-09-1812965ND
2013-09-1815117 (WELL 3A)ND
2013-09-1878331ND
2013-09-1878329ND
2013-09-1813031ND
2013-09-18129450.320 ppb
2013-09-1834272ND
2013-09-1810834ND
2013-09-2082064ND
2013-09-2007261ND
2014-03-1912945 0320140.300 ppb
2014-03-1913031 032014ND
2014-03-1915117 032014ND
2014-03-1910834 032014ND
2014-03-2178331 032014ND
2014-03-2112965 032014ND
2014-03-2117707 032014ND
2014-03-2134272 032014ND
2014-03-2607261 03/26/2014ND
2014-03-2678329 03/26/2014ND
2014-03-2872064 032014ND