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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Spokane

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

 

57

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND210ND
2016ND20ND
2017ND70ND
2018ND100ND
2019ND100ND

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
2014-01-2894180ND
2014-07-2900947ND
2014-07-2900946ND
2014-07-2900948ND
2014-07-2900945ND
2014-10-2854250ND
2014-12-0255190ND
2015-01-2756690ND
2015-01-2756691ND
2015-03-23150324054-002ND
2015-03-23150324054-003ND
2015-03-23150324054-001ND
2015-03-23150324054-005ND
2015-03-23150324054-004ND
2015-04-2859499ND
2015-07-2863239ND
2015-07-2863242ND
2015-07-2863246ND
2015-07-2863258ND
2015-07-2863244ND
2015-09-28150930003-008ND
2015-09-28150930003-006ND
2015-09-28150930003-007ND
2015-09-28150930003-009ND
2015-09-28150930003-010ND
2015-10-2767369ND
2015-10-2767367ND
2015-10-2767368ND
2016-07-26ND
2016-07-26ND
2017-05-31ND
2017-07-25ND
2017-07-25ND
2017-07-25ND
2017-10-24ND
2017-10-24ND
2017-10-24ND
2018-01-30ND
2018-01-30ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2019-07-23ND
2019-07-23ND
2019-07-26ND
2019-07-26ND
2019-07-26ND
2019-07-26ND
2019-07-26ND
2019-07-26ND
2019-07-26ND
2019-07-26ND