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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Atascadero Mutual Water Company

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

 

71

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND600ND
2019ND30ND

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
2013-04-30201305010101AMND
2013-04-30201305010097AMND
2013-04-30201305010099AMND
2013-04-30201305010095AMND
2013-10-30201310310159AMND
2013-10-30201310310149AMND
2013-10-30201310310106AMND
2013-10-30201310310161AMND
2018-02-223761-023-0920ND
2018-02-223761-044-0850ND
2018-02-223761-042-1000ND
2018-02-223761-001-1015ND
2018-02-223761-015-0740ND
2018-02-223761-006-0940ND
2018-02-223761-009-0950ND
2018-02-223761-007-0930ND
2018-02-273761-040-0950ND
2018-02-273761-012-0929ND
2018-02-273761-020-1020ND
2018-02-273761-053-0942ND
2018-02-273761-018-0858ND
2018-02-273761-016-0918ND
2018-05-223761-042-1008ND
2018-05-223761-007-0930ND
2018-05-223761-044-0900ND
2018-05-223761-023-0920ND
2018-05-223761-054-0955ND
2018-05-223761-006-0950ND
2018-05-223761-015-0830ND
2018-05-223761-001-1025ND
2018-05-223761-009-1000ND
2018-05-293761-016-0910ND
2018-05-293761-018-0920ND
2018-05-293761-053-0940ND
2018-05-293761-012-0850ND
2018-05-293761-040-0840ND
2018-05-303761-020-0820ND
2018-08-213761-006-0940ND
2018-08-213761-050-0905ND
2018-08-213761-044-0840ND
2018-08-213761-001-0920ND
2018-08-213761-042-0955ND
2018-08-213761-009-0945ND
2018-08-213761-007-0910ND
2018-08-213761-015-0740ND
2018-08-213761-023-0900ND
2018-08-283761-040-0848ND
2018-08-283761-012-0856ND
2018-08-283761-016-0830ND
2018-08-283761-054-0843ND
2018-08-283761-020-0917ND
2018-08-283761-053-0836ND
2018-08-283761-018-0823ND
2018-11-063761-009-0915ND
2018-11-063761-040-0935ND
2018-11-193761-042-0942ND
2018-11-193761-050-0745ND
2018-11-193761-001-0900ND
2018-11-193761-044-0845ND
2018-11-193761-023-0755ND
2018-11-193761-007-0820ND
2018-11-193761-006-0918ND
2018-11-273761-018-0930ND
2018-11-273761-012-0940ND
2018-11-273761-015-0830ND
2018-11-273761-054-0915ND
2018-11-273761-016-0920ND
2018-11-273761-053-0905ND
2019-02-193761-050-1125ND
2019-02-263761-054-0912ND
2019-05-163761-050-0755ND