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EWG's Tap Water Database — 2021 UPDATE

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Trichloroethylene

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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

 

410

Samples

0

Samples exceeding legal limit (MCL)

31

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0760 ppb786ND - 1.10 ppb
20150.193 ppb547ND - 2.32 ppb
20160.0932 ppb696ND - 1.80 ppb
20170.0980 ppb755ND - 2.10 ppb
20180.0774 ppb664ND - 1.70 ppb
20190.0809 ppb683ND - 2.30 ppb

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
2014-01-071401138-002-POCSND
2014-01-081401236-003-POCSND
2014-01-08140123-003-POCSND
2014-01-131401426-007-POCSND
2014-01-131401426-006-POCSND
2014-01-211401879-003-POCSND
2014-02-031402004-002-POCSND
2014-02-041402034-003-POCSND
2014-02-101402372-003-POCSND
2014-02-271402F41-005-POCSND
2014-02-271402F41-004-POCSND
2014-03-031403014-002-POCSND
2014-03-041403096-003-POCSND
2014-03-101403566-003-POCSND
2014-03-191403D40-005-POCSND
2014-03-191403D40-004-POCSND
2014-04-011404032-003-POCSND
2014-04-031404265-002-POCSND
2014-04-141404979-005-POCSND
2014-04-141404979-004-POCSND
2014-04-161404C04-003-POCSND
2014-05-011405011-002-POCSND
2014-05-021405136-004-POCSND
2014-05-021405136-002-POCSND
2014-05-021405136-005-POCSND
2014-05-021405136-006-POCSND
2014-05-021405136-003-POCSND
2014-05-021405136-007-POCSND
2014-05-051405184-004-POCSND
2014-05-051405184-005-POCSND
2014-05-121405744-003-POCS1.10 ppb
2014-05-121405773-003-POCSND
2014-06-021406009-002-POCSND
2014-06-031406123-004-POCSND
2014-06-031406123-005-POCSND
2014-06-041406340-004-POCSND
2014-06-041406340-002-POCSND
2014-06-091406553-003-POCS0.830 ppb
2014-06-171406B86-003-POCSND
2014-06-241406G86-002-POCSND
2014-07-011407007-002-POCSND
2014-07-071407321-003-POCS0.800 ppb
2014-07-091407553-003-POCSND
2014-07-211407E05-004-POCSND
2014-07-211407E05-005-POCSND
2014-07-291407K19-002-POCSND
2014-08-051408163-002-POCSND
2014-08-111408603-003-POCS1.10 ppb
2014-08-121408691-003-POCSND
2014-08-191408C70-001-POCSND
2014-08-191408C70-002-POCSND
2014-08-251408H13-002-POCSND
2014-08-311508N08-002-POCSND
2014-09-021409006-002-POCSND
2014-09-031409147-003-POCS1.000 ppb
2014-09-081409465-005-POCSND
2014-09-081409465-004-POCSND
2014-09-091409574-003-POCSND
2014-09-291409L55-002-POCSND
2014-09-301409M86-003-POCSND
2014-09-301409M86-002-POCSND
2014-10-061410303-004-POCSND
2014-10-061410303-005-POCSND
2014-10-071410401-002-POCSND
2014-10-081410540-002-POCSND
2014-10-141410867-003-POCSND
2014-10-211410D18-003-POCS1.10 ppb
2014-11-0314110290002-POCSND
2014-11-031511114-002-POCSND
2014-11-041411162-005-POCSND
2014-11-041411162-004-POCSND
2014-11-041411160-003-POCSND
2014-11-121411708-003-POCSND
2014-12-011412004-002-POCSND
2014-12-011412055-003-POCSND
2014-12-081412528-004-POCSND
2014-12-081412528-005-POCSND
2014-12-151412A53-003-POCSND
2015-01-051501057-002-POCSND
2015-01-051501098-003-POCSND
2015-01-141501749-003-POCSND
2015-01-261501F00-005-POCSND
2015-01-261501F00-004-POCSND
2015-02-021502020-002-POCSND
2015-02-031502056-003-POCSND
2015-02-101502545-003-POCSND
2015-03-031503079-003-POCSND
2015-03-041503215-002-POCSND
2015-03-111503703-003-POCSND
2015-04-011504025-002-POCSND
2015-04-061504303-003-POCSND
2015-04-211504F27-003-POCS0.880 ppb
2015-05-041505116-002-POCSND
2015-05-041505165-003-POCSND
2015-05-081505605-003-POCSND
2015-05-111505698-003-POCS1.11 ppb
2015-06-041506372-003-POCSND
2015-06-041506372-001-POCSND
2015-06-041506372-002-POCSND
2015-06-081506608-003-POCSND
2015-06-091506752-002-POCSND
2015-06-101506840-003-POCS1.16 ppb
2015-06-251506K63-002-POCSND
2015-07-071507339-003-POCSND
2015-07-091507598-003-POCSND
2015-07-171507C71-002-POCSND
2015-07-221507F82-003-POCS1.45 ppb
2015-07-281507J60-005-POCSND
2015-07-281507J60-004-POCSND
2015-08-041508128-002-POCSND
2015-08-121508902-003-POCSND
2015-08-121508306-003-POCS2.09 ppb
2015-08-191508E91-005-POCSND
2015-08-191508E91-004-POCSND
2015-09-021509122-03-POCSND
2015-09-021509122-003-POCSND
2015-09-091509634-003-POCSND
2015-09-161509B60-003-POCS2.32 ppb
2015-09-221509G40-005-POCSND
2015-09-221509G40-004-POCSND
2015-09-291509L97-002-POCSND
2015-10-061510378-002-POCSND
2015-10-131510890-003-POCS1.42 ppb
2015-10-141510A29-003-POCSND
2015-10-201510E70-005-POCSND
2015-10-201510E70-006-POCSND
2015-10-271510K13-002-POCSND
2015-11-041511265-003-POCSND
2015-11-171511C64-005-POCSND
2015-11-171511C64-006-POCSND
2015-12-011512014-002-POCSND
2015-12-16151D35-005ND
2016-01-051601130-002-POCSND
2016-01-071601345-003-POCSND
2016-01-201601D06-005-POCSND
2016-01-201601D06-006-POCSND
2016-01-261601G57-003-POCSND
2016-02-011602009-002-POCSND
2016-02-021602124-005-POCSND
2016-02-021602124-006-POCSND
2016-02-091602755-003-POCSND
2016-02-171602C36-003-POCSND
2016-03-011603001-003-POCSND
2016-03-021603127-002-POCSND
2016-03-091603705-005-POCSND
2016-03-091603705-006-POCSND
2016-03-161603C59-003-POCSND
2016-04-051604317-002-POCSND
2016-04-061604474-003-POCSND
2016-04-071604644-003-POCSND
2016-04-191604H22-005-POCSND
2016-04-191604H22-006-POCSND
2016-04-281604Q16-002-POCSND
2016-05-031605131-002-POCSND
2016-05-041605276-003-POCSND
2016-05-171605E44-006-POCSND
2016-05-171605E44-005-POCSND
2016-05-261605P45=002-POCSND
2016-06-021606189-002-POCSND
2016-06-061606440-002-POCSND
2016-06-071606537-003-POCS0.560 ppb
2016-06-141606D23-004-POCSND
2016-06-211606J68-006-POCSND
2016-06-211606J98-005-POCSND
2016-07-071607457-002-POCSND
2016-07-111607722-003-POCSND
2016-07-191607E66-003-POCS1.44 ppb
2016-07-201607G25-002-POCSND
2016-07-251607K43-002-POCSND
2016-07-251607K43-001-POCSND
2016-07-271607N14-002-POCSND
2016-08-021608140-003-POCSND
2016-08-081608762-003-POCSND
2016-08-151608D68-002-POCSND
2016-08-161608E55-005-POCSND
2016-08-161608E55-006-POCSND
2016-08-291608Q17-003-POCS1.80 ppb
2016-08-301608Q97-002-POCSND
2016-09-071609388-002-POCSND
2016-09-121609773-002-POCSND
2016-09-131609878-003-POCSND
2016-09-141609A97-003-POCS1.29 ppb
2016-09-261609L90-001-POCSND
2016-09-261609L90-002-POCSND
2016-09-281609O64-002-POCSND
2016-10-05701192002-POCSND
2016-10-17702188003-POCS0.790 ppb
2016-10-1870225002-POCSND
2016-10-18702252003-POCSND
2016-10-24702732003-POCSND
2016-11-07703823005-POCSND
2016-11-07703823006-POCSND
2016-11-08703940002ND
2016-11-147044300030.550 ppb
2016-11-15704560003ND
2016-11-21705053002-POCSND
2016-12-05706005003ND
2016-12-05705963002ND
2016-12-12706579003ND
2016-12-20707337006ND
2016-12-20707337005ND
2017-01-05708357002-POCSND
2017-01-10708691002ND
2017-01-11708894006ND
2017-01-11708894005ND
2017-01-12708946003ND
2017-01-17709276003-POCSND
2017-02-067010611002ND
2017-02-087010861006ND
2017-02-087010861005ND
2017-02-147011212003ND
2017-02-237011930002ND
2017-03-017012311002ND
2017-03-027012451002ND
2017-03-067012705005ND
2017-03-067012705006ND
2017-03-087012859003ND
2017-04-057014996002ND
2017-04-107015364003ND
2017-04-177016005003ND
2017-04-247016741005ND
2017-04-247016665002ND
2017-04-247016741006ND
2017-05-017017334006ND
2017-05-027017456003ND
2017-05-157018594006ND
2017-05-157018594005ND
2017-05-227019238003ND
2017-06-017020082002ND
2017-06-057020322003ND
2017-06-1270210300030.650 ppb
2017-06-207021873002ND
2017-06-217022042005ND
2017-06-217022042006ND
2017-06-267022376002ND
2017-07-057023138002ND
2017-07-067023242002ND
2017-07-107023529006ND
2017-07-107023529005ND
2017-07-137023987002ND
2017-07-187024412003ND
2017-07-2470250320031.10 ppb
2017-08-077026350002ND
2017-08-107026803005ND
2017-08-1470270880031.50 ppb
2017-08-247028102004ND
2017-08-247028102002ND
2017-08-287028309006ND
2017-08-287028309005ND
2017-09-067028994003ND
2017-09-117029465003ND
2017-09-137029723006ND
2017-09-137029723010ND
2017-09-137029723012ND
2017-09-137029723008ND
2017-09-1370297230202.00 ppb
2017-09-1870301630012.10 ppb
2017-09-257030894005ND
2017-09-257030894006ND
2017-09-287031317002ND
2017-10-037031673002ND
2017-10-107032375005ND
2017-10-107032375006ND
2017-10-167033001006ND
2017-10-187033282003ND
2017-10-237033737002ND
2017-10-317034372002ND
2017-11-01703448002ND
2017-11-067034877003ND
2017-11-137035551003ND
2017-11-177036063002ND
2017-11-297036727005ND
2017-11-297036727006ND
2017-12-047037035003ND
2017-12-057037161003ND
2017-12-127037838002ND
2018-01-037039544002ND
2018-01-107040057003ND
2018-01-177040656002ND
2018-01-267041453009ND
2018-01-267041453006ND
2018-02-017041823002ND
2018-02-057041997003ND
2018-02-077042262003ND
2018-03-017044262002ND
2018-03-057044406003ND
2018-03-097044926005ND
2018-03-097044926006ND
2018-03-127045049003ND
2018-04-027046866002ND
2018-04-047047243003ND
2018-04-097047665003ND
2018-04-207049166005ND
2018-04-207049166006ND
2018-05-017050042002ND
2018-05-037050487002ND
2018-05-077050735003ND
2018-05-147051556002ND
2018-05-147051556004ND
2018-05-157051695002ND
2018-05-2370052551003ND
2018-05-257052879002ND
2018-06-047053539002ND
2018-06-137054775003ND
2018-06-147054889002ND
2018-06-207055666004ND
2018-06-207055666005ND
2018-07-097057434002ND
2018-07-117057759002ND
2018-07-127058017006ND
2018-07-127058017005ND
2018-07-1670582770031.70 ppb
2018-07-317059881002ND
2018-08-067060471002ND
2018-08-087060181002ND
2018-08-0870608230031.10 ppb
2018-08-167061875006ND
2018-08-167061875005ND
2018-08-217062315002ND
2018-08-277062832002ND
2018-09-057063721002ND
2018-09-107064163002ND
2018-09-1270644950030.810 ppb
2018-09-177064983005ND
2018-09-177064983006ND
2018-09-247065666002ND
2018-09-277066143002ND
2018-10-017066345002ND
2018-10-037066756002ND
2018-10-1070674360031.50 ppb
2018-10-227068642006ND
2018-10-227068642005ND
2018-10-247068888002ND
2018-11-057069996002ND
2018-11-157071211003ND
2018-11-207071644004ND
2018-11-207071644003ND
2018-12-037072593002ND
2018-12-057072899002ND
2018-12-107073386003ND
2018-12-197074396006ND
2018-12-197074396005ND
2019-01-037075496002ND
2019-01-087075833002ND
2019-01-147076457003ND
2019-01-237077370006ND
2019-01-237077370005ND
2019-02-047078249002ND
2019-02-067078521006ND
2019-02-067078521005ND
2019-02-217080267003ND
2019-02-217079099002ND
2019-03-057081270002ND
2019-03-067081480005ND
2019-03-067081480006ND
2019-03-197082773003ND
2019-04-017083974002ND
2019-04-087084935004ND
2019-04-117085538001ND
2019-04-117085538002ND
2019-04-157085819002ND
2019-05-067088240002ND
2019-05-067088240004ND
2019-05-097088811003ND
2019-05-167089868005ND
2019-05-167089868006ND
2019-05-177090004002ND
2019-06-047092007002ND
2019-06-057092197002ND
2019-06-1170929530031.40 ppb
2019-06-177093906006ND
2019-06-177093906005ND
2019-06-267095337002ND
2019-07-027096094002ND
2019-07-087096592002ND
2019-07-1070969360032.30 ppb
2019-07-157097498005ND
2019-07-157097498006ND
2019-07-227098353002ND
2019-07-247098680002ND
2019-08-0570998890031.80 ppb
2019-08-057099889006ND
2019-08-0770100223002ND
2019-08-1370101080006ND
2019-08-1370101080005ND
2019-08-2670102655002ND
2019-08-2870103071002ND
2019-09-0370103440002ND
2019-09-0470103644002ND
2019-09-0970104133006ND
2019-09-0970104133005ND
2019-09-2370105885002ND
2019-09-2570106208002ND
2019-10-0170106780002ND
2019-10-0270106998002ND
2019-10-0770107485003ND
2019-10-0870107646002ND
2019-10-1670108608005ND
2019-10-1670108608006ND
2019-10-2870109882002ND
2019-11-0470110533002ND
2019-11-0670110855003ND
2019-11-1370111663002ND
2019-11-2070112590005ND
2019-11-2070112590006ND
2019-12-0270113564002ND
2019-12-0370113682002ND
2019-12-0970114550003ND
2019-12-1870115903006ND
2019-12-1870115903005ND