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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

City of Denison

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND30ND
2014ND70ND
2015ND30ND
2016ND30ND
2017ND30ND

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
2012-02-011202040006ND
2013-03-061303263007ND
2013-03-061303263005ND
2013-06-12Q1302205017ND
2014-02-25Q1406059008ND
2014-02-25Q1406059012ND
2014-02-25Q1406059020ND
2014-04-2435135556001AMND
2014-06-3035144086001AMND
2014-10-3035161880005AMND
2014-10-3035161880001AMND
2015-01-2935173367001AMND
2015-03-03Q1507894007ND
2015-06-15Q1522052001ND
2016-02-16Q1606768014ND
2016-02-16Q1606768003ND
2016-02-16Q1606768002ND
2017-02-07Q1705466002ND
2017-08-08Q1733790008ND
2017-08-08Q1733790002ND