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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Aquarion Water Company of Connecticut - Noroton System

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND60ND
2016ND30ND
2017ND50ND
2018ND10ND
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
2014-07-15201407160486AMND
2014-07-15201407160543AMND
2014-10-14201410150096AMND
2014-10-14201410150090AMND
2015-01-14201501150658AMND
2015-01-14201501150515AMND
2015-04-01201504020167AMND
2015-04-01201504020187AMND
2015-09-28201513861-VOC1ND
2015-10-01201513987-VOC1ND
2016-01-26201601295-VOC1ND
2016-07-13201608950-VOC1ND
2016-10-11201613846-VOC1ND
2017-01-05201700343-VOC1ND
2017-02-08201702190-VOC1ND
2017-04-06201704847-VOC1ND
2017-07-11201710396-VOC1ND
2017-10-10201715981-VOC1ND
2018-01-23201801047-VOC1ND