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EWG's Tap Water Database — 2019 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.

 

419

Samples

0

Samples exceeding legal limit (MCL)

42

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.152 ppb6210ND - 1.50 ppb
20130.1000 ppb818ND - 2.20 ppb
20140.0760 ppb786ND - 1.10 ppb
20150.193 ppb547ND - 2.32 ppb
20160.0932 ppb696ND - 1.80 ppb
20170.0980 ppb755ND - 2.10 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
2012-01-171201469-002-POCSND
2012-01-241201755-002-POCSND
2012-02-141202469-002-POCSND
2012-02-151202549-002-POCSND
2012-03-051203120-002-POCSND
2012-03-121203388-002-POCSND
2012-04-091204340-002-POCSND
2012-04-111204460-002-POCSND
2012-04-171204685-005-POCSND
2012-04-171204685-002-POCSND
2012-04-171204685-003-POCSND
2012-04-171204685-004-POCSND
2012-04-181204758-002-POCSND
2012-05-021205092-002-POCSND
2012-05-071205287-002-POCSND
2012-05-091205426-002-POCSND
2012-06-041206037-002-POCSND
2012-06-061206180-002-POCS0.700 ppb
2012-06-111206395-002-POCSND
2012-06-271206B33-002-POCND
2012-07-091207324-002-POCSND
2012-07-111207442-002-POCSND
2012-07-161207673-002-POCS0.700 ppb
2012-07-181207851-001-POCSND
2012-07-231207A57-002-POCSND
2012-08-011208001-002-POCSND
2012-08-061208209-002-POCSND
2012-08-081208393-002-POCS0.900 ppb
2012-08-091208536-004-POCS1.50 ppb
2012-08-091208536-006-POCSND
2012-08-291208E82-004-POCSND
2012-08-291208E82-002-POCSND
2012-09-071209342-003-POCS0.900 ppb
2012-09-101209396-001-POCSND
2012-09-121209566-003-POCS1.40 ppb
2012-09-171209804-003-POCS0.800 ppb
2012-09-191209975-002-POCSND
2012-09-241209B92-003-POCSND
2012-09-241209B83-002-POCSND
2012-09-251209C71-003-POCSND
2012-09-261209D64-005-POCSND
2012-10-011210001-003-POCS0.700 ppb
2012-10-091210453-002-POCSND
2012-10-101210552-002-POCSND
2012-10-111210653-003-POCS0.600 ppb
2012-10-161210861-001-POCSND
2012-10-221210B67-005-POCSND
2012-10-251210D89-003-POCS1.20 ppb
2012-11-021211067-003-POCSND
2012-11-071211263-002-POCSND
2012-11-091211389-003-POCSND
2012-11-131211476-002-POCSND
2012-11-151211672-003-POCSND
2012-11-201211885-003-POCSND
2012-11-281211B89-003-POCSND
2012-12-031212007-002-POCSND
2012-12-051212177-003-POCSND
2012-12-071212354-003-POCSND
2012-12-121212588-003-POCSND
2012-12-181212921-005-POCSND
2012-12-191212A09-003-POCSND
2012-12-271212C78-003-POCSND
2013-01-021301043-003-POCSND
2013-01-081301277-002-POCSND
2013-01-101301441-003-POCSND
2013-01-141301581-002-POCSND
2013-01-171301772-003-POCSND
2013-01-231301A04-005-POCSND
2013-01-251301B28-003-POCSND
2013-01-311301D25-003-POCSND
2013-02-041302060-002-POCSND
2013-02-061302202-003-POCSND
2013-02-131302475-005-POCSND
2013-02-151302625-003-POCSND
2013-02-201302779-003-POCSND
2013-02-221302924-003-POCSND
2013-02-281302B75-003-POCSND
2013-03-041303050-002-POCSND
2013-03-051303126-002-POCSND
2013-03-111303436-003-POCSND
2013-03-181303812-005-POCSND
2013-03-211303A60-003-POCSND
2013-03-271303C87-003-POCSND
2013-04-011304009-003-POCSND
2013-04-021304154-002-POCSND
2013-04-031304193-002-POCSND
2013-04-151304842-005-POCSND
2013-04-181304B17-003-POCS0.800 ppb
2013-04-241304E57-004-POCS0.500 ppb
2013-04-301304G63-003-POCS0.800 ppb
2013-05-021305099-002-POCSND
2013-05-061305273-002-POCSND
2013-05-131305622-005-POCSND
2013-05-201305A21-004-POCS0.800 ppb
2013-06-031306004-002-POCSND
2013-06-041306075-003-POCSND
2013-06-101306423-003-POCSND
2013-06-171306859-007-POCSND
2013-06-171306859-005-POCSND
2013-06-171306859-008-POCSND
2013-07-011307024-002-POCSND
2013-07-031307205-001-POCSND
2013-07-031307205-005-POCSND
2013-07-031307205-003-POCSND
2013-07-031307205-002-POCSND
2013-07-031307205-004-POCSND
2013-07-081307318-003-POCSND
2013-07-221307A42-003-POCS2.20 ppb
2013-07-241307B58-004-POCSND
2013-07-241307B58-007-POCSND
2013-07-241307B58-006-POCSND
2013-08-051308145-002-POCSND
2013-08-081308436-003-POCSND
2013-08-151308779-003-POCSND
2013-08-191308913-004-POCSND
2013-08-191308913-006-POCSND
2013-08-191308913-007-POCSND
2013-09-041309110-002-POCSND
2013-09-051309202-001-POCSND
2013-09-051309202-002-POCSND
2013-09-051309202-004-POCSND
2013-09-051309202-003-POCSND
2013-09-051309202-005-POCSND
2013-09-051309202-006-POCSND
2013-09-111309583-003-POCSND
2013-09-161309846-0031.20 ppb
2013-09-231309C70-010-POCSND
2013-09-231309C70-005-POCSND
2013-10-021310115-002-POCSND
2013-10-071310350-002-POCSND
2013-10-091310544-003-POCSND
2013-10-161310891-003-POCS1.30 ppb
2013-10-211310A97-002-POCSND
2013-10-211310A97-001-POCSND
2013-11-041311059-002-POCSND
2013-11-061311269-001-POCSND
2013-11-061311238-003-POCS0.500 ppb
2013-11-191311934-005-POCSND
2013-11-191311934-004-POCSND
2013-12-021312003-002-POCSND
2013-12-041312160-004-POCSND
2013-12-041312160-005-POCSND
2013-12-161312848-003-POCSND
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