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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethane

Golden State Water Company (GSWC) - Norwalk

1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.

MORE ABOUT THIS CONTAMINANT

 

179

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0638 ppb42ND - 0.180 ppb
20140.0283 ppb983ND - 2.50 ppb
20150.0392 ppb131ND - 0.510 ppb
2016ND130ND
2017ND240ND
20180.0789 ppb191ND - 1.50 ppb
2019ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 3 ppb

The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-18201310180541AMND
2013-10-18201310180545AM0.0750 ppb
2013-10-18201310180543AM0.180 ppb
2013-10-18201310180547AMND
2014-01-102706-028-0950ND
2014-01-152706-028-1021ND
2014-01-17201401180031AMND
2014-01-17201401180029AM0.230 ppb
2014-01-212706-028-1230ND
2014-01-212706-032-1302ND
2014-01-272706-028-1159ND
2014-01-272706-032-1232ND
2014-02-042706-010-1225ND
2014-02-042706-016-0900ND
2014-02-052706-028-1328ND
2014-02-052706-032-1206ND
2014-02-112706-028-1230ND
2014-02-112706-032-1259ND
2014-02-192706-028-1015ND
2014-02-202706-032-0803ND
2014-02-262706-028-1315ND
2014-02-262706-032-1253ND
2014-03-052706-028-1305ND
2014-03-052706-032-1343ND
2014-03-112706-028-1210ND
2014-03-112706-032-1258ND
2014-03-182706-028-1130ND
2014-03-182706-032-1157ND
2014-03-252706-028-1043ND
2014-03-252706-032-1150ND
2014-04-012706-028-1030ND
2014-04-012706-032-1300ND
2014-04-092706-028-1100ND
2014-04-092706-032-1125ND
2014-04-162706-028-1411ND
2014-04-162706-032-1343ND
2014-04-17201404180109AMND
2014-04-17201404180113AMND
2014-04-17201404180111AM0.0480 ppb
2014-04-17201404180115AMND
2014-04-232706-028-09002.50 ppb
2014-04-232706-032-0924ND
2014-04-292706-028-1157ND
2014-04-292706-032-1124ND
2014-05-012706-032-1100ND
2014-05-062706-016-1028ND
2014-05-072706-028-1156ND
2014-05-072706-032-1130ND
2014-05-142706-028-1234ND
2014-05-142706-032-1411ND
2014-05-212706-028-1327ND
2014-05-212706-032-1400ND
2014-05-282706-028-1330ND
2014-05-282706-032-1344ND
2014-06-022706-028-1258ND
2014-06-042706-032-1230ND
2014-06-112706-028-1214ND
2014-06-112706-032-1227ND
2014-06-182706-028-0745ND
2014-06-182706-032-0805ND
2014-06-242706-028-1128ND
2014-06-242706-032-1249ND
2014-07-012706-028-0859ND
2014-07-012706-032-0943ND
2014-07-082706-028-1246ND
2014-07-082706-032-1259ND
2014-07-162706-028-1346ND
2014-07-162706-032-1342ND
2014-07-17201407170807AMND
2014-07-222706-028-1315ND
2014-07-222706-032-1326ND
2014-07-302706-028-1254ND
2014-07-302706-032-1310ND
2014-08-042706-032-1322ND
2014-08-052706-028-1215ND
2014-08-062706-016-0940ND
2014-08-132706-028-1025ND
2014-08-132706-032-1104ND
2014-08-182706-028-1245ND
2014-08-192706-032-1335ND
2014-08-262706-028-1230ND
2014-08-262706-032-1245ND
2014-09-032706-028-1238ND
2014-09-032706-032-1346ND
2014-09-102706-028-0828ND
2014-09-102706-032-0847ND
2014-09-162706-028-1236ND
2014-09-162706-032-1320ND
2014-09-232706-028-1308ND
2014-09-232706-032-1324ND
2014-09-292706-028-1332ND
2014-09-292706-032-1315ND
2014-10-072706-028-1057ND
2014-10-072706-032-1010ND
2014-10-142706-032-1052ND
2014-10-152706-028-0918ND
2014-10-212706-028-0900ND
2014-10-292706-028-1237ND
2014-11-042706-016-1054ND
2014-11-042706-028-1238ND
2014-11-102706-028-1155ND
2014-11-192706-028-1235ND
2015-02-022706-010-1023ND
2015-02-022706-028-1228ND
2015-02-032706-016-1152ND
2015-02-042706-032-1042ND
2015-05-062706-028-1055ND
2015-05-062706-032-1009ND
2015-05-072706-016-1358ND
2015-08-042706-016-0821ND
2015-08-042706-028-1122ND
2015-08-042706-032-1218ND
2015-11-032706-032-08060.510 ppb
2015-11-042706-016-1304ND
2015-11-052706-028-0911ND
2016-02-034790-032-0955ND
2016-05-022706-028-1140ND
2016-05-022706-028-1147ND
2016-05-022706-032-0751ND
2016-05-022706-032-0757ND
2016-05-042706-016-0910ND
2016-05-042706-016-0921ND
2016-08-022706-016-1146ND
2016-08-022706-028-1317ND
2016-08-032706-032-1337ND
2016-11-082706-016-1303ND
2016-11-092706-028-0951ND
2016-11-092706-032-1118ND
2017-01-039590-016-1315ND
2017-01-049590-028-1216ND
2017-01-049590-032-0828ND
2017-01-119590-028-1057ND
2017-01-119590-032-0936ND
2017-01-179590-016-1232ND
2017-01-189590-028-1306ND
2017-01-189590-032-1354ND
2017-01-239590-032-1212ND
2017-02-099590-010-1025ND
2017-02-099590-028-1154ND
2017-02-099590-032-1242ND
2017-02-139590-016-0850ND
2017-02-279590-028-1013ND
2017-05-039590-016-0920ND
2017-05-039590-028-1305ND
2017-05-039590-032-1254ND
2017-08-019590-016-1029ND
2017-08-029590-028-0752ND
2017-08-029590-032-0718ND
2017-11-089590-032-1255ND
2017-11-099590-016-1103ND
2017-11-099590-028-1233ND
2017-11-299590-028-0957ND
2018-02-079590-028-1355ND
2018-02-079590-032-1340ND
2018-02-089590-016-1401ND
2018-02-129590-010-1230ND
2018-03-079590-016-1407ND
2018-03-079590-028-1338ND
2018-03-079590-032-1304ND
2018-03-219590-028-0838ND
2018-05-029590-016-1147ND
2018-05-029590-032-1336ND
2018-05-039590-028-1402ND
2018-06-069590-028-1145ND
2018-07-189590-028-0811ND
2018-08-069590-028-1142ND
2018-08-069590-032-11271.50 ppb
2018-09-129590-016-1156ND
2018-11-069590-016-1203ND
2018-11-079590-028-1426ND
2018-11-079590-032-1332ND
2019-02-119590-016-1054ND
2019-02-119590-032-1330ND
2019-02-129590-028-1333ND
2019-05-089590-016-1140ND
2019-08-069590-028-1258ND
2019-08-069590-032-1220ND
2019-11-069590-028-1327ND
2019-11-069590-032-1235ND