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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Pasadena

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

 

242

Samples

0

Samples exceeding legal limit (MCL)

19

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND190ND
20140.00253 ppb196ND - 0.01000 ppb
20150.00234 ppb227ND - 0.00920 ppb
20160.00237 ppb206ND - 0.0120 ppb
2017ND140ND
2018ND800ND
2019ND680ND

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
2013-03-28201303280392AMND
2013-03-28201303280333AMND
2013-03-28201303280390AMND
2013-03-28201303280329AMND
2013-03-28201303280373AMND
2013-03-28201303280381AMND
2013-03-28201303280376AMND
2013-06-20201306200423AMND
2013-06-20201306200410AMND
2013-06-20201306200453AMND
2013-09-18201309190007AMND
2013-09-18201309190011AMND
2013-09-18201309190009AMND
2013-09-18201309190003AMND
2013-09-18201309190005AMND
2013-09-18201309190001AMND
2013-12-19201312190417AMND
2013-12-19201312190426AMND
2013-12-19201312190424AMND
2014-01-289590-001-0835ND
2014-01-289590-019-0927ND
2014-01-289590-021-0900ND
2014-02-209590-023-08400.00900 ppb
2014-02-209590-047-0854ND
2014-04-229590-001-0923ND
2014-04-229590-019-1003ND
2014-04-229590-021-0944ND
2014-05-069590-023-10000.00700 ppb
2014-07-159590-001-1000ND
2014-07-159590-019-1110ND
2014-07-159590-021-1050ND
2014-08-129590-018-1205ND
2014-08-129590-023-08400.00600 ppb
2014-08-129590-028-08450.00800 ppb
2014-10-289590-001-1100ND
2014-11-219590-018-0900ND
2014-11-219590-023-08300.01000 ppb
2014-11-219590-028-09300.00800 ppb
2015-02-039590-001-0820ND
2015-02-039590-023-10400.00800 ppb
2015-02-109590-021-1044ND
2015-02-179590-019-1050ND
2015-04-219590-001-1044ND
2015-05-139590-023-09150.00700 ppb
2015-05-139590-028-08400.00600 ppb
2015-05-199590-021-0930ND
2015-06-029590-019-0920ND
2015-06-039590-018-1015ND
2015-07-149590-001-1050ND
2015-08-119590-001-1000ND
2015-08-119590-018-09060.00510 ppb
2015-08-119590-019-0900ND
2015-08-119590-021-1210ND
2015-08-119590-023-12300.00920 ppb
2015-09-259590-028-1100ND
2015-11-179590-001-0900ND
2015-11-179590-021-0924ND
2015-12-159590-018-09100.00820 ppb
2015-12-159590-019-1110ND
2015-12-159590-023-10560.00790 ppb
2016-03-159590-001-1106ND
2016-03-159590-047-1020ND
2016-03-219590-028-10550.00620 ppb
2016-03-299590-021-0806ND
2016-05-109590-028-08450.00710 ppb
2016-06-149590-018-1010ND
2016-06-149590-047-1025ND
2016-09-139590-019-1140ND
2016-09-209590-001-0940ND
2016-09-209590-023-10500.00910 ppb
2016-09-209590-028-09000.0120 ppb
2016-09-209590-047-1025ND
2016-12-139590-001-0928ND
2016-12-139590-005-0900ND
2016-12-139590-018-13350.00520 ppb
2016-12-139590-019-0844ND
2016-12-139590-023-11400.00770 ppb
2016-12-139590-028-1250ND
2016-12-139590-045-1030ND
2016-12-139590-047-1105ND
2017-03-079588-001-1040ND
2017-03-079588-019-1140ND
2017-03-079588-047-0754ND
2017-06-209588-001-1115ND
2017-06-209588-005-1010ND
2017-06-209588-018-0915ND
2017-06-209588-023-0850ND
2017-06-209588-045-0930ND
2017-06-209588-047-0910ND
2017-09-199588-005-0930ND
2017-09-199588-045-0953ND
2017-09-199588-047-0906ND
2017-10-109588-001-1100ND
2017-12-129588-001-1035ND
2018-03-209588-005-0940ND
2018-03-209588-018-0900ND
2018-03-209588-028-0825ND
2018-03-209588-045-1130ND
2018-03-209588-047-1055ND
2018-03-209588-053-0910ND
2018-03-219588-030-1230ND
2018-03-219588-031-1250ND
2018-04-029588-021-1110ND
2018-04-069588-001-1000ND
2018-04-169588-005-1215ND
2018-04-169588-045-1225ND
2018-04-179588-053-0940ND
2018-04-209588-018-1021ND
2018-04-209588-028-0855ND
2018-04-209588-030-1045ND
2018-04-209588-031-1108ND
2018-05-089588-028-1037ND
2018-05-099588-030-0923ND
2018-05-099588-031-0942ND
2018-05-229588-023-1135ND
2018-05-229588-053-1225ND
2018-05-299588-018-1141ND
2018-05-299588-030-1209ND
2018-05-299588-031-1228ND
2018-06-059588-019-0940ND
2018-06-059588-030-0821ND
2018-06-059588-031-0836ND
2018-06-059588-053-1020ND
2018-06-149588-030-0821ND
2018-06-149588-031-0914ND
2018-06-209588-023-1030ND
2018-06-219588-023-0900ND
2018-06-219588-053-0750ND
2018-06-269588-005-0954ND
2018-06-269588-023-0857ND
2018-06-269588-045-0822ND
2018-06-269588-053-0757ND
2018-07-039588-005-1000ND
2018-07-039588-018-1005ND
2018-07-039588-030-0852ND
2018-07-039588-031-0900ND
2018-07-039588-045-1026ND
2018-07-039588-047-1050ND
2018-07-039588-053-0933ND
2018-07-049588-018-1023ND
2018-07-049588-030-1028ND
2018-07-049588-031-1039ND
2018-08-019588-018-0749ND
2018-08-019588-030-0806ND
2018-08-019588-031-0826ND
2018-08-019588-047-0940ND
2018-08-019588-053-0822ND
2018-08-109588-005-1010ND
2018-08-109588-045-0940ND
2018-09-049588-001-0813ND
2018-09-049588-018-1210ND
2018-09-049588-030-1240ND
2018-09-049588-031-1310ND
2018-09-049588-053-1105ND
2018-10-029588-030-0915ND
2018-10-029588-031-0930ND
2018-10-029588-053-0835ND
2018-10-169588-005-1005ND
2018-10-169588-047-0922ND
2018-10-229588-021-1035ND
2018-10-309588-047-0915ND
2018-10-309588-053-1015ND
2018-11-069588-030-0921ND
2018-11-069588-031-0950ND
2018-11-069588-053-0950ND
2018-12-049588-030-1155ND
2018-12-049588-031-1135ND
2018-12-049588-047-1115ND
2018-12-049588-053-1155ND
2018-12-109588-018-0922ND
2018-12-119588-030-0955ND
2018-12-119588-031-1015ND
2018-12-209588-021-0920ND
2018-12-209588-045-0920ND
2019-01-029588-023-1020ND
2019-01-029588-030-1030ND
2019-01-029588-031-1055ND
2019-01-029588-045-0835ND
2019-01-029588-053-0905ND
2019-01-079588-018-0934ND
2019-01-079588-021-0955ND
2019-01-089588-030-0946ND
2019-01-089588-031-1020ND
2019-01-149588-019-1005ND
2019-01-159588-001-0905ND
2019-02-059588-018-0925ND
2019-02-059588-030-0950ND
2019-02-059588-031-1020ND
2019-02-209588-030-1105ND
2019-02-209588-031-1120ND
2019-03-059588-018-0850ND
2019-03-059588-030-0920ND
2019-03-059588-031-0945ND
2019-03-199588-030-0845ND
2019-03-199588-031-0900ND
2019-04-029588-001-1105ND
2019-04-029588-018-0930ND
2019-04-029588-030-0840ND
2019-04-029588-031-1000ND
2019-04-029588-045-1030ND
2019-04-159588-019-1015ND
2019-04-169588-030-0915ND
2019-04-169588-031-0940ND
2019-04-229588-021-1010ND
2019-05-079588-030-0944ND
2019-05-079588-031-1011ND
2019-05-079588-047-1100ND
2019-05-219588-005-0930ND
2019-06-149588-023-1041ND
2019-06-159588-053-0915ND
2019-06-189588-023-1046ND
2019-06-189588-053-0841ND
2019-07-019588-019-0915ND
2019-07-029588-001-0820ND
2019-07-029588-045-0857ND
2019-07-029588-053-0811ND
2019-07-089588-021-0840ND
2019-08-069588-005-0949ND
2019-08-069588-045-0912ND
2019-08-069588-047-1032ND
2019-08-069588-053-0821ND
2019-09-059588-047-1030ND
2019-10-019588-047-1005ND
2019-10-019588-053-0955ND
2019-10-079588-021-1100ND
2019-10-089588-001-1120ND
2019-10-089588-045-0930ND
2019-10-089588-053-1030ND
2019-10-289588-019-0920ND
2019-11-199588-005-0850ND
2019-11-199588-023-1015ND
2019-11-199588-028-0905ND
2019-11-199588-031-0950ND
2019-11-199588-045-0820ND
2019-11-199588-047-0940ND
2019-11-199588-053-1100ND
2019-12-039588-018-0914ND
2019-12-039588-031-1001ND
2019-12-039588-045-1040ND
2019-12-039588-053-1120ND
2019-12-199588-031-1120ND
2019-12-269588-031-0830ND