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EWG's Tap Water Database — 2021 UPDATE

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Trichloroethylene

Golden State Water Company (GSWC) - South Arcadia

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

 

404

Samples

0

Samples exceeding legal limit (MCL)

49

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.0894 ppb646ND - 1.30 ppb
20150.111 ppb676ND - 2.30 ppb
20160.271 ppb669ND - 4.10 ppb
20170.112 ppb586ND - 1.80 ppb
20180.0905 ppb667ND - 1.20 ppb
20190.131 ppb8315ND - 1.10 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
2014-01-062706-016-0917ND
2014-01-132706-016-1113ND
2014-01-212706-016-0945ND
2014-01-272706-016-1023ND
2014-02-032706-016-1329ND
2014-02-102706-016-1053ND
2014-02-182706-016-1030ND
2014-02-242706-016-1154ND
2014-02-269588-005-11100.900 ppb
2014-02-269588-006-1055ND
2014-02-269588-015-10350.790 ppb
2014-03-032706-016-1246ND
2014-03-102706-016-1041ND
2014-03-172706-016-0933ND
2014-03-242706-016-1052ND
2014-03-312706-016-1213ND
2014-04-072706-016-1245ND
2014-04-142706-016-1150ND
2014-04-212706-016-1216ND
2014-04-282706-016-1215ND
2014-05-052706-016-1043ND
2014-05-122706-016-1253ND
2014-05-159588-006-10151.30 ppb
2014-05-159588-015-10500.900 ppb
2014-05-192706-016-1120ND
2014-05-282706-016-1320ND
2014-06-022706-016-1035ND
2014-06-092706-016-1114ND
2014-06-162706-016-1040ND
2014-06-232706-016-1152ND
2014-06-249588-005-0940ND
2014-07-012706-016-1142ND
2014-07-072706-016-1134ND
2014-07-142706-016-1049ND
2014-07-212706-016-1224ND
2014-07-282706-016-1133ND
2014-08-042706-016-1135ND
2014-08-112706-016-1144ND
2014-08-182706-016-1133ND
2014-08-252706-016-1050ND
2014-08-289588-005-11001.20 ppb
2014-08-289588-006-1100ND
2014-08-289588-014-1025ND
2014-09-022706-016-1049ND
2014-09-082706-016-1059ND
2014-09-152706-016-0955ND
2014-09-222706-016-1045ND
2014-09-292706-016-1209ND
2014-10-072706-016-1155ND
2014-10-132706-016-1100ND
2014-10-202706-016-1040ND
2014-10-272706-016-1040ND
2014-11-032706-016-1055ND
2014-11-059588-005-0910ND
2014-11-059588-006-0945ND
2014-11-059588-015-09550.630 ppb
2014-11-102706-016-1151ND
2014-11-172706-016-1003ND
2014-11-242706-016-1111ND
2014-12-012706-016-1144ND
2014-12-082706-016-1029ND
2014-12-152706-016-1025ND
2014-12-222706-016-1056ND
2014-12-292706-016-1033ND
2015-01-052706-016-1110ND
2015-01-122706-016-1020ND
2015-01-202706-016-1105ND
2015-01-262706-016-0952ND
2015-02-022706-016-1051ND
2015-02-092706-016-1129ND
2015-02-172706-016-1024ND
2015-02-199588-005-1005ND
2015-02-199588-006-1015ND
2015-02-199588-015-09550.820 ppb
2015-02-242706-016-0948ND
2015-03-022706-016-1000ND
2015-03-092706-016-1053ND
2015-03-162706-016-1015ND
2015-03-232706-016-1029ND
2015-04-012706-016-0905ND
2015-04-072706-016-1114ND
2015-04-132706-016-1031ND
2015-04-212706-016-1011ND
2015-04-272706-016-1206ND
2015-05-042706-016-1013ND
2015-05-112706-016-1059ND
2015-05-122706-018-1033ND
2015-05-182706-016-1215ND
2015-05-199588-005-10451.90 ppb
2015-05-199588-006-1040ND
2015-05-199588-015-10200.610 ppb
2015-05-272706-016-1049ND
2015-06-012706-016-1057ND
2015-06-082706-016-1033ND
2015-06-152706-016-1037ND
2015-06-182706-016-1008ND
2015-06-182706-018-0957ND
2015-06-222706-016-1050ND
2015-07-012706-016-0827ND
2015-07-062706-016-0837ND
2015-07-142706-016-1030ND
2015-07-202706-016-1106ND
2015-07-272706-016-1155ND
2015-08-032706-016-1104ND
2015-08-102706-016-1008ND
2015-08-149588-005-10552.30 ppb
2015-08-149588-006-1045ND
2015-08-149588-014-1115ND
2015-08-149588-015-10350.850 ppb
2015-08-172706-016-1055ND
2015-09-012706-016-1003ND
2015-09-082706-016-1016ND
2015-09-142706-016-0918ND
2015-09-212706-016-1102ND
2015-09-282706-016-1125ND
2015-10-052706-016-1029ND
2015-10-122706-016-1017ND
2015-10-192706-016-1011ND
2015-10-262706-016-0921ND
2015-11-022706-016-1022ND
2015-11-092706-016-0931ND
2015-11-162706-016-1040ND
2015-11-179588-005-1030ND
2015-11-179588-006-1050ND
2015-11-179588-015-10150.940 ppb
2015-11-232706-016-1018ND
2015-12-012706-016-1044ND
2015-12-072706-016-1021ND
2015-12-142706-016-1023ND
2015-12-212706-016-1030ND
2015-12-282706-016-0946ND
2016-01-042706-016-1123ND
2016-01-112706-016-1150ND
2016-01-192706-016-1055ND
2016-01-252706-016-1108ND
2016-02-012706-016-1055ND
2016-02-082706-016-1115ND
2016-02-162706-016-1001ND
2016-02-179588-006-1050ND
2016-02-179588-015-11250.710 ppb
2016-02-222706-016-0941ND
2016-03-012706-016-0945ND
2016-03-082706-016-1106ND
2016-03-152706-016-1354ND
2016-03-212706-016-1247ND
2016-03-229588-005-11104.10 ppb
2016-03-282706-016-1026ND
2016-04-042706-016-1120ND
2016-04-142706-016-1040ND
2016-04-182706-016-1004ND
2016-04-252706-005-09233.00 ppb
2016-04-252706-016-1018ND
2016-05-022706-016-1200ND
2016-05-102706-016-1007ND
2016-05-119588-005-11053.30 ppb
2016-05-119588-015-10550.850 ppb
2016-05-172706-016-1135ND
2016-05-242706-016-1045ND
2016-05-312706-016-1053ND
2016-06-072706-016-1040ND
2016-06-109588-006-0930ND
2016-06-142706-016-1042ND
2016-06-202706-016-1125ND
2016-06-272706-016-1321ND
2016-07-052706-016-1139ND
2016-07-112706-016-1410ND
2016-07-182706-016-1355ND
2016-07-262706-016-0915ND
2016-08-012706-016-1131ND
2016-08-080007-016-1140ND
2016-08-162706-016-1205ND
2016-08-199588-005-09403.00 ppb
2016-08-199588-006-0920ND
2016-08-199588-014-0850ND
2016-08-199588-015-10100.890 ppb
2016-08-222706-016-1112ND
2016-08-292706-016-1126ND
2016-09-062706-016-1119ND
2016-09-122706-016-1137ND
2016-09-192706-016-1307ND
2016-09-262706-016-1259ND
2016-10-032706-016-0931ND
2016-10-102706-016-1124ND
2016-10-172706-016-1234ND
2016-10-252706-016-1046ND
2016-11-012706-016-0924ND
2016-11-072706-016-0935ND
2016-11-142706-016-1117ND
2016-11-179588-006-1130ND
2016-11-179588-015-11001.30 ppb
2016-11-212706-016-0933ND
2016-11-282706-016-0900ND
2016-12-019588-005-09300.720 ppb
2016-12-052706-016-1137ND
2016-12-122706-016-1308ND
2016-12-222706-016-0849ND
2016-12-272706-016-1143ND
2017-01-099590-016-1115ND
2017-01-179590-016-1314ND
2017-01-249590-016-1038ND
2017-01-309590-016-1031ND
2017-02-079590-016-1015ND
2017-02-149590-016-1026ND
2017-02-169588-005-1120ND
2017-02-169588-006-1115ND
2017-02-169588-015-10550.700 ppb
2017-03-069590-016-1008ND
2017-03-139590-016-1036ND
2017-03-209590-016-0913ND
2017-03-279590-016-0940ND
2017-04-039590-016-1015ND
2017-04-109590-016-1255ND
2017-04-179590-016-0945ND
2017-04-249590-016-0928ND
2017-05-019590-016-0950ND
2017-05-089590-016-0945ND
2017-05-159590-016-0929ND
2017-05-169588-005-10401.30 ppb
2017-05-169588-006-1050ND
2017-05-169588-015-11050.840 ppb
2017-05-229590-016-1010ND
2017-05-309590-016-0927ND
2017-07-039590-016-0845ND
2017-07-109590-016-1240ND
2017-07-179590-016-0922ND
2017-07-249590-016-0846ND
2017-08-019590-016-0923ND
2017-08-079590-016-1426ND
2017-08-109588-005-10451.80 ppb
2017-08-109588-006-1035ND
2017-08-109588-014-1055ND
2017-08-109588-015-10200.880 ppb
2017-08-149590-016-1143ND
2017-08-219590-016-1110ND
2017-08-289590-016-1052ND
2017-09-059590-016-1300ND
2017-09-119590-016-1319ND
2017-09-189590-016-0925ND
2017-09-259590-016-1102ND
2017-10-029590-016-0922ND
2017-10-099590-016-1308ND
2017-10-169590-016-1055ND
2017-10-239590-016-0918ND
2017-10-309590-016-0913ND
2017-11-069590-016-1110ND
2017-11-139590-016-1152ND
2017-11-209590-016-0936ND
2017-11-279590-016-0915ND
2017-11-299588-005-1035ND
2017-11-299588-006-1030ND
2017-11-299588-015-10151.000 ppb
2017-12-049590-016-0954ND
2017-12-129590-016-1135ND
2017-12-189590-016-0923ND
2017-12-289590-016-1115ND
2018-01-029590-016-1039ND
2018-01-109590-016-1047ND
2018-01-179590-016-1002ND
2018-01-249590-016-1045ND
2018-01-309590-016-0917ND
2018-02-059590-016-0927ND
2018-02-139590-016-1129ND
2018-02-149588-005-1010ND
2018-02-149588-006-1000ND
2018-02-149588-015-10151.20 ppb
2018-02-209590-016-0947ND
2018-02-269590-016-0952ND
2018-03-059590-016-1115ND
2018-03-139590-016-1008ND
2018-03-199590-016-1025ND
2018-03-279590-016-1107ND
2018-04-029590-016-1007ND
2018-04-049590-018-11010.620 ppb
2018-04-109590-016-1230ND
2018-04-169590-016-1031ND
2018-04-249590-016-1244ND
2018-05-019590-016-1031ND
2018-05-099590-016-1130ND
2018-05-159590-016-1058ND
2018-05-179588-005-1045ND
2018-05-179588-006-1035ND
2018-05-179588-015-10251.000 ppb
2018-05-239590-016-1145ND
2018-05-309590-016-1158ND
2018-06-049590-016-1227ND
2018-06-139590-016-0900ND
2018-06-209590-016-1027ND
2018-06-269590-016-1019ND
2018-07-029590-016-1038ND
2018-07-119590-016-1308ND
2018-07-169590-016-1052ND
2018-07-239590-016-1119ND
2018-07-309590-016-0920ND
2018-08-069590-016-1101ND
2018-08-149590-016-1036ND
2018-08-169588-005-1125ND
2018-08-169588-006-1115ND
2018-08-169588-014-1100ND
2018-08-169588-015-10350.960 ppb
2018-08-209590-016-1130ND
2018-08-289590-016-1202ND
2018-09-119590-016-1130ND
2018-09-179590-016-10260.520 ppb
2018-09-259590-016-09240.570 ppb
2018-09-269590-016-1435ND
2018-10-019590-016-1144ND
2018-10-099590-016-1150ND
2018-10-169590-016-1158ND
2018-10-229590-016-1129ND
2018-10-299590-016-1155ND
2018-11-059590-016-1132ND
2018-11-149590-016-1130ND
2018-11-199590-016-1110ND
2018-11-279590-016-0952ND
2018-11-299588-005-1125ND
2018-11-299588-006-1145ND
2018-11-299588-015-12201.10 ppb
2018-12-039590-016-1139ND
2018-12-119590-016-1110ND
2018-12-179590-016-1322ND
2018-12-269590-016-1106ND
2019-01-029590-016-1209ND
2019-01-089590-016-1220ND
2019-01-159590-016-0841ND
2019-01-229590-016-1150ND
2019-01-289590-016-1042ND
2019-02-049590-016-1052ND
2019-02-119590-016-1032ND
2019-02-199590-016-1052ND
2019-02-229588-005-0910ND
2019-02-229588-006-0915ND
2019-02-229588-015-09350.960 ppb
2019-02-259590-016-0940ND
2019-03-049590-016-1150ND
2019-03-119590-016-0924ND
2019-03-189590-016-1028ND
2019-03-259590-016-0950ND
2019-04-019590-016-1010ND
2019-04-099590-016-0908ND
2019-04-159590-016-0923ND
2019-04-229590-015-1106ND
2019-04-229590-015-1111ND
2019-04-229590-015-1116ND
2019-04-229590-015-1121ND
2019-04-229590-015-1126ND
2019-04-229590-016-0944ND
2019-04-299590-016-1118ND
2019-05-069590-016-1154ND
2019-05-089590-015-11360.520 ppb
2019-05-089590-015-11410.630 ppb
2019-05-089590-015-11460.620 ppb
2019-05-089590-015-11510.690 ppb
2019-05-089590-015-11560.750 ppb
2019-05-149590-016-0950ND
2019-05-209590-016-1106ND
2019-05-229588-005-10200.640 ppb
2019-05-229588-006-1030ND
2019-05-229588-015-10500.660 ppb
2019-05-299590-016-0937ND
2019-06-039590-016-1032ND
2019-06-109590-016-1143ND
2019-06-109590-018-11301.10 ppb
2019-06-179590-016-1144ND
2019-06-249590-016-1232ND
2019-07-019590-016-1100ND
2019-07-099590-016-1114ND
2019-07-159590-016-1020ND
2019-07-229590-016-0958ND
2019-07-299590-016-0940ND
2019-08-069590-016-1000ND
2019-08-139590-016-1258ND
2019-08-149588-005-11300.850 ppb
2019-08-149588-006-1135ND
2019-08-149588-014-1150ND
2019-08-149588-015-11150.540 ppb
2019-08-199590-016-1100ND
2019-08-269590-016-0930ND
2019-09-039590-016-1139ND
2019-09-099590-016-1122ND
2019-09-179590-016-1044ND
2019-09-239590-016-1150ND
2019-10-019590-016-1014ND
2019-10-079590-016-1040ND
2019-10-229590-015-0936ND
2019-10-229590-015-0940ND
2019-10-229590-015-09500.600 ppb
2019-10-229590-015-10050.760 ppb
2019-10-229590-015-10200.830 ppb
2019-10-229590-015-10350.710 ppb
2019-10-229590-016-1102ND
2019-10-249590-016-1012ND
2019-10-289590-016-1032ND
2019-11-059590-016-1002ND
2019-11-129588-005-1250ND
2019-11-129588-006-1240ND
2019-11-129588-015-1240ND
2019-11-129590-016-1057ND
2019-11-189590-016-1128ND
2019-11-259590-016-1122ND
2019-12-029590-016-1132ND
2019-12-109590-016-1140ND
2019-12-169590-016-1220ND
2019-12-239590-016-1330ND
2019-12-309590-016-1138ND