Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichloroethylene

Valley Water Company

Trichloroethylene, an industrial solvent and common groundwater pollutant, damages the immune system, harms the developing fetus and causes cancer. Read More.

Trichloroethylene was once commonly used to remove grease from metal parts, such as steel pipes and engines, and as a solvent in dry cleaning and carpet cleaning products. Drinking trichloroethylene-contaminated drinking water has been linked with birth defects, leukemia, and liver and kidney damage. Trichloroethylene is highly volatile and can enter indoor air through water in pipes. If trichloroethylene is present, people can inhale it while bathing, washing dishes and doing other household activities that involve water.

Click here to read more about carcinogenic VOCs.

MORE ABOUT THIS CONTAMINANT

 

169

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND260ND
2015ND340ND
2016ND240ND
2017ND230ND
2018ND360ND
2019ND260ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.4 ppb

The EWG Health Guideline of 0.4 ppb for trichloroethylene was defined by the state of Minnesota as health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the developing fetus and damage to the immune system.

EPA Maximum Contaminant
Level (MCL) 5 ppb

The legal limit for trichloroethylene, established in 1987, was based on analytical detection limits at the time that the standard was set. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-059590-008-1030ND
2014-05-129590-008-1015ND
2014-05-199590-008-0800ND
2014-05-279590-008-0815ND
2014-06-029590-008-0730ND
2014-06-099590-008-0800ND
2014-06-169590-008-0800ND
2014-06-239590-008-0815ND
2014-07-029590-008-0910ND
2014-07-079590-008-0830ND
2014-07-149590-008-0800ND
2014-07-219590-008-0840ND
2014-07-289590-008-0830ND
2014-08-049590-008-0845ND
2014-08-119590-008-0730ND
2014-08-189590-008-0815ND
2014-08-259590-008-0850ND
2014-09-029590-008-0900ND
2014-09-099590-008-0800ND
2014-09-159590-008-0830ND
2014-09-229590-008-0830ND
2014-09-299590-008-0800ND
2014-10-069590-008-0730ND
2014-10-139590-008-0830ND
2014-10-209590-008-0800ND
2014-10-279590-008-0730ND
2015-04-069590-008-1115ND
2015-04-139590-008-0900ND
2015-04-209590-008-0800ND
2015-04-279590-008-0820ND
2015-05-049590-008-0900ND
2015-05-089590-008-1455ND
2015-05-119590-008-0815ND
2015-05-189590-008-0910ND
2015-05-269590-008-0830ND
2015-06-019590-008-1120ND
2015-06-049590-008-1335ND
2015-06-089590-008-1110ND
2015-06-159590-008-0815ND
2015-06-229590-008-0800ND
2015-06-299590-008-0830ND
2015-07-069590-008-1120ND
2015-07-139590-008-0730ND
2015-07-209590-008-0740ND
2015-07-279590-008-0840ND
2015-08-039590-008-1045ND
2015-08-109590-008-1040ND
2015-08-179590-008-0800ND
2015-08-249590-008-0745ND
2015-08-319590-008-0830ND
2015-09-089590-008-0800ND
2015-09-109590-008-1340ND
2015-09-149590-008-0800ND
2015-09-219590-008-1115ND
2015-09-289590-008-0800ND
2015-10-059590-008-0815ND
2015-10-129590-008-1100ND
2015-10-199590-008-0830ND
2015-10-269590-008-0805ND
2015-11-029590-008-0945ND
2016-03-019590-008-0820ND
2016-04-049590-008-1225ND
2016-04-119590-008-0810ND
2016-04-189590-008-0750ND
2016-04-259590-008-0815ND
2016-05-029590-008-0800ND
2016-05-099590-008-0815ND
2016-05-169590-008-0840ND
2016-05-179590-008-1115ND
2016-05-239590-008-0800ND
2016-06-019590-008-0820ND
2016-07-059590-008-0835ND
2016-07-119590-008-0815ND
2016-07-189590-008-0845ND
2016-07-259590-008-0815ND
2016-08-019590-008-0915ND
2016-08-089590-008-0820ND
2016-08-159590-008-0800ND
2016-08-229590-008-0840ND
2016-08-299590-008-0815ND
2016-10-039590-008-0820ND
2016-10-109590-008-0820ND
2016-10-189590-008-0815ND
2016-10-259590-008-0830ND
2017-05-159590-008-0950ND
2017-05-199590-008-1300ND
2017-05-229590-008-0820ND
2017-05-309590-008-0810ND
2017-07-059590-008-0900ND
2017-07-109590-008-0845ND
2017-07-189590-008-0845ND
2017-07-249590-008-0800ND
2017-08-019590-008-0850ND
2017-08-079590-008-0820ND
2017-08-149590-008-0815ND
2017-08-219590-008-0850ND
2017-08-289590-008-0820ND
2017-09-059590-008-0820ND
2017-09-119590-008-0950ND
2017-09-189590-008-0800ND
2017-09-259590-008-0800ND
2017-10-029590-008-0815ND
2017-10-099590-008-0830ND
2017-10-169590-008-0815ND
2017-10-239590-008-0840ND
2017-10-309590-008-1015ND
2017-11-029590-008-0915ND
2018-03-129590-008-1345ND
2018-03-192920-008-0850ND
2018-03-269590-008-1110ND
2018-05-039590-008-0735ND
2018-05-079590-008-0800ND
2018-05-149590-008-0910ND
2018-05-229590-008-0905ND
2018-05-299590-008-1445ND
2018-06-049590-008-0800ND
2018-06-119590-008-0805ND
2018-06-189590-008-0840ND
2018-06-252920-008-0802ND
2018-06-259590-008-0802ND
2018-07-022920-008-0800ND
2018-07-029590-008-0800ND
2018-07-099590-008-0840ND
2018-07-162920-008-0815ND
2018-07-169590-008-0815ND
2018-07-239590-008-0800ND
2018-07-309590-008-0815ND
2018-08-062920-008-1515ND
2018-08-069590-008-1515ND
2018-08-139590-008-0800ND
2018-08-209590-008-0815ND
2018-08-279590-008-0820ND
2018-09-049590-008-0800ND
2018-09-109590-008-0800ND
2018-09-179590-008-0810ND
2018-09-249590-008-0800ND
2018-10-019590-008-1050ND
2018-10-089590-008-0820ND
2018-10-179590-008-0800ND
2018-10-229590-008-0800ND
2018-10-299590-008-0830ND
2018-11-059590-008-0800ND
2018-11-129590-008-0745ND
2019-05-069590-008-1315ND
2019-05-139590-008-0750ND
2019-05-209590-008-0800ND
2019-05-289590-008-0820ND
2019-06-039590-008-0830ND
2019-06-109590-008-0800ND
2019-06-179590-008-0810ND
2019-06-249590-008-0830ND
2019-07-019590-008-0800ND
2019-07-089590-008-0810ND
2019-07-159590-008-0840ND
2019-07-229590-008-0800ND
2019-07-299590-008-0830ND
2019-08-059590-008-0855ND
2019-08-129590-008-0845ND
2019-08-199590-008-0850ND
2019-08-269590-008-0825ND
2019-09-039590-008-0800ND
2019-09-099590-008-0915ND
2019-09-169590-008-0810ND
2019-09-239590-008-0830ND
2019-10-019590-008-0807ND
2019-10-079590-008-0845ND
2019-10-149590-008-0815ND
2019-10-219590-008-0820ND
2019-10-289590-008-0830ND