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EWG's Tap Water Database — 2019 UPDATE

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Trichloroethylene

City of Corona

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.

 

193

Samples

0

Samples exceeding legal limit (MCL)

47

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.365 ppb359ND - 1.90 ppb
20130.471 ppb3612ND - 1.80 ppb
20140.326 ppb3710ND - 1.70 ppb
2015ND280ND - 1.70 ppb
20160.347 ppb278ND - 1.60 ppb
20170.304 ppb308ND - 1.70 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
2012-01-054790-062-1040ND
2012-03-064790-062-1005ND
2012-03-094790-034-0800ND
2012-03-094790-041-1210ND
2012-06-074790-034-1200ND
2012-06-074790-041-1120ND
2012-06-124790-062-1330ND
2012-06-134790-003-1145ND
2012-06-134790-013-1115ND
2012-06-134790-022-1030ND
2012-06-134790-023-1230ND
2012-06-134790-030-12001.20 ppb
2012-06-134790-033-13001.60 ppb
2012-06-204790-014-1550ND
2012-06-204790-015-14501.90 ppb
2012-06-204790-027-09301.70 ppb
2012-06-204790-032-10350.770 ppb
2012-06-204790-038-1310ND
2012-06-214790-019-0950ND
2012-06-214790-034-1300ND
2012-06-214790-043-1220ND
2012-06-214790-052-1040ND
2012-06-224790-039-07301.20 ppb
2012-06-274790-024-09300.890 ppb
2012-06-274790-029-1400ND
2012-06-274790-031-14501.90 ppb
2012-06-274790-054-1120ND
2012-06-274790-056-1030ND
2012-06-274790-062-1020ND
2012-09-054790-062-1055ND
2012-09-064790-034-0800ND
2012-09-064790-041-0850ND
2012-12-044790-055-09001.60 ppb
2012-12-114790-034-0700ND
2012-12-114790-041-1145ND
2013-01-094790-062-1215ND
2013-02-064790-021-09301.70 ppb
2013-02-064790-027-13301.70 ppb
2013-02-064790-030-11301.20 ppb
2013-02-064790-039-11300.990 ppb
2013-02-134790-052-1510ND
2013-02-134790-054-1350ND
2013-02-134790-062-1440ND
2013-03-074790-034-0915ND
2013-03-074790-041-1400ND
2013-05-014790-024-12300.970 ppb
2013-05-014790-038-1050ND
2013-05-084790-003-1440ND
2013-05-084790-022-1400ND
2013-05-084790-023-0910ND
2013-05-164790-019-1340ND
2013-05-164790-034-0915ND
2013-05-164790-043-1050ND
2013-06-114790-062-1345ND
2013-06-124790-055-11351.80 ppb
2013-06-264790-028-0900ND
2013-08-079590-032-09400.790 ppb
2013-08-159590-033-09001.60 ppb
2013-08-159590-056-1435ND
2013-08-219590-029-1002ND
2013-08-229590-013-0940ND
2013-08-229590-014-1500ND
2013-08-229590-015-14021.50 ppb
2013-08-229590-031-08251.80 ppb
2013-09-049590-055-11151.30 ppb
2013-09-109590-034-1500ND
2013-09-109590-041-1610ND
2013-09-179590-062-1335ND
2013-12-059590-034-0825ND
2013-12-059590-041-1020ND
2013-12-109590-055-08451.60 ppb
2014-01-079590-062-1330ND
2014-02-129590-021-09001.40 ppb
2014-02-129590-027-10200.950 ppb
2014-02-129590-028-1450ND
2014-02-129590-039-11000.570 ppb
2014-02-129590-052-1145ND
2014-02-129590-054-1355ND
2014-02-269590-030-07301.20 ppb
2014-03-129590-055-11201.60 ppb
2014-03-139590-034-1005ND
2014-03-139590-041-1040ND
2014-03-259590-062-1455ND
2014-05-149590-024-13251.10 ppb
2014-05-149590-038-1035ND
2014-05-149590-043-0915ND
2014-05-159590-019-1155ND
2014-05-159590-022-0850ND
2014-05-159590-023-1005ND
2014-05-159590-034-1500ND
2014-06-129590-034-0728ND
2014-06-129590-041-0748ND
2014-06-179590-062-1340ND
2014-08-139590-015-09301.40 ppb
2014-08-139590-031-14551.70 ppb
2014-08-139590-032-11000.750 ppb
2014-08-139590-033-13151.40 ppb
2014-08-219590-029-0900ND
2014-08-269590-003-1400ND
2014-08-279590-014-1315ND
2014-08-279590-056-1415ND
2014-08-289590-013-1030ND
2014-09-119590-034-0720ND
2014-09-119590-041-0800ND
2014-09-169590-054-1500ND
2014-09-169590-062-0830ND
2014-12-049590-034-0800ND
2014-12-049590-041-0850ND
2015-02-039590-030-1000ND
2015-02-129590-028-1420ND
2015-02-129590-052-1330ND
2015-03-059590-034-0740ND
2015-03-059590-041-0950ND
2015-03-129590-062-1100ND
2015-05-289590-003-0940ND
2015-05-289590-019-1045ND
2015-05-289590-034-0830ND
2015-05-289590-038-1000ND
2015-05-289590-043-1100ND
2015-06-01ND*
2015-06-099590-062-0815ND
2015-06-119590-034-0810ND
2015-06-119590-041-0850ND
2015-06-189590-062-1245ND
2015-08-129590-029-0900ND
2015-08-129590-056-0940ND
2015-08-209590-013-0900ND
2015-08-209590-014-1430ND
2015-09-019590-062-1100ND
2015-09-229590-034-0810ND
2015-09-229590-041-1105ND
2015-10-149590-023-0930ND
2015-10-149590-054-1330ND
2015-12-089590-062-1410ND
2015-12-179590-034-0800ND
2015-12-179590-041-0900ND
2016-03-109590-034-0750ND
2016-03-109590-041-1520ND
2016-03-229590-062-1215ND
2016-04-139590-027-09501.30 ppb
2016-04-139590-028-0800ND
2016-04-139590-030-08501.20 ppb
2016-04-219590-054-1340ND
2016-04-279590-062-1320ND
2016-06-029590-034-0800ND
2016-06-029590-041-1330ND
2016-06-149590-062-1430ND
2016-07-209590-039-10450.610 ppb
2016-08-189590-003-1000ND
2016-08-189590-023-1050ND
2016-08-189590-038-1400ND
2016-08-239590-024-14301.20 ppb
2016-08-249590-019-1030ND
2016-08-249590-034-0900ND
2016-08-249590-043-1430ND
2016-09-139590-062-1020ND
2016-10-119590-031-15301.50 ppb
2016-10-129590-032-14300.760 ppb
2016-10-209590-029-1400ND
2016-10-279590-014-0915ND
2016-10-279590-015-10201.20 ppb
2016-10-279590-033-14001.60 ppb
2016-10-279590-056-0840ND
2017-01-129590-062-1520ND
2017-03-099590-034-0820ND
2017-03-099590-041-1520ND
2017-03-219590-062-1540ND
2017-04-129590-030-10001.20 ppb
2017-04-129590-054-1400ND
2017-04-129590-062-1500ND
2017-04-209590-027-14001.20 ppb
2017-04-209590-038-0920ND
2017-04-209590-039-15000.520 ppb
2017-06-069590-062-1550ND
2017-06-139590-034-1215ND
2017-06-139590-041-1200ND
2017-08-099590-019-1030ND
2017-08-099590-023-0945ND
2017-08-099590-024-14001.20 ppb
2017-08-099590-043-1530ND
2017-08-109590-034-1220ND
2017-09-139590-034-0800ND
2017-09-139590-041-1600ND
2017-09-199590-062-1500ND
2017-10-129590-015-15001.20 ppb
2017-10-129590-031-09301.70 ppb
2017-10-129590-032-10300.700 ppb
2017-10-199590-014-1030ND
2017-10-199590-029-1500ND
2017-10-199590-056-1400ND
2017-10-269590-033-10001.40 ppb
2017-12-199590-034-0810ND
2017-12-199590-041-1050ND

* Sample result is taken from the system's CCR report.