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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

City of Petaluma

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

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND70ND
2014ND70ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND520ND
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
2013-07-10A3F1369-07AND
2013-07-10A3F1369-13AND
2013-07-10A3F1369-09AND
2013-07-10A3F1369-01AND
2013-07-10A3F1369-03AND
2013-07-10A3F1369-11AND
2013-07-10A3F1369-05AND
2014-01-21A3L1893-05AND
2014-01-21A3L1893-11AND
2014-01-21A3L1893-09AND
2014-01-21A3L1893-13AND
2014-01-21A3L1893-03AND
2014-01-21A3L1893-01AND
2014-01-21A3L1893-07AND
2018-03-075867-030-0820ND
2018-03-075867-032-1255ND
2018-03-075867-009-0930ND
2018-03-075867-051-1330ND
2018-03-075867-031-1305ND
2018-03-075867-029-1135ND
2018-03-075867-055-1355ND
2018-03-075867-057-0850ND
2018-03-075867-028-1155ND
2018-03-075867-027-1215ND
2018-03-075867-026-1235ND
2018-03-075867-012-1100ND
2018-03-075867-010-0950ND
2018-06-205867-055-1035ND
2018-06-205867-057-1055ND
2018-06-205867-051-0820ND
2018-06-205867-032-0945ND
2018-06-205867-031-0840ND
2018-06-205867-009-1150ND
2018-06-205867-010-0840ND
2018-06-205867-030-0900ND
2018-06-205867-012-0805ND
2018-06-205867-026-0945ND
2018-06-205867-029-1010ND
2018-06-205867-027-1000ND
2018-06-205867-028-0925ND
2018-09-135867-030-1055ND
2018-09-135867-009-0905ND
2018-09-135867-010-0935ND
2018-09-135867-012-0845ND
2018-09-135867-026-0940ND
2018-09-135867-027-0930ND
2018-09-135867-057-1200ND
2018-09-135867-055-0955ND
2018-09-135867-031-1020ND
2018-09-135867-032-1130ND
2018-09-135867-029-1025ND
2018-09-135867-051-1035ND
2018-09-135867-028-0920ND
2018-11-075867-028-0830ND
2018-11-075867-051-1015ND
2018-11-075867-026-0845ND
2018-11-075867-057-1025ND
2018-11-075867-012-0830ND
2018-11-075867-032-1030ND
2018-11-075867-027-0900ND
2018-11-075867-010-1120ND
2018-11-075867-029-1050ND
2018-11-075867-031-1000ND
2018-11-075867-009-0940ND
2018-11-075867-055-1115ND
2018-11-075867-030-1130ND