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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | 0.0638 ppb | 4 | 2 | ND - 0.180 ppb |
2014 | 0.0283 ppb | 98 | 3 | ND - 2.50 ppb |
2015 | 0.0392 ppb | 13 | 1 | ND - 0.510 ppb |
2016 | ND | 13 | 0 | ND |
2017 | ND | 24 | 0 | ND |
2018 | 0.0789 ppb | 19 | 1 | ND - 1.50 ppb |
2019 | ND | 8 | 0 | ND |
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 |
---|---|---|
2013-10-18 | 201310180541AM | ND |
2013-10-18 | 201310180545AM | 0.0750 ppb |
2013-10-18 | 201310180543AM | 0.180 ppb |
2013-10-18 | 201310180547AM | ND |
2014-01-10 | 2706-028-0950 | ND |
2014-01-15 | 2706-028-1021 | ND |
2014-01-17 | 201401180031AM | ND |
2014-01-17 | 201401180029AM | 0.230 ppb |
2014-01-21 | 2706-028-1230 | ND |
2014-01-21 | 2706-032-1302 | ND |
2014-01-27 | 2706-028-1159 | ND |
2014-01-27 | 2706-032-1232 | ND |
2014-02-04 | 2706-010-1225 | ND |
2014-02-04 | 2706-016-0900 | ND |
2014-02-05 | 2706-028-1328 | ND |
2014-02-05 | 2706-032-1206 | ND |
2014-02-11 | 2706-028-1230 | ND |
2014-02-11 | 2706-032-1259 | ND |
2014-02-19 | 2706-028-1015 | ND |
2014-02-20 | 2706-032-0803 | ND |
2014-02-26 | 2706-028-1315 | ND |
2014-02-26 | 2706-032-1253 | ND |
2014-03-05 | 2706-028-1305 | ND |
2014-03-05 | 2706-032-1343 | ND |
2014-03-11 | 2706-028-1210 | ND |
2014-03-11 | 2706-032-1258 | ND |
2014-03-18 | 2706-028-1130 | ND |
2014-03-18 | 2706-032-1157 | ND |
2014-03-25 | 2706-028-1043 | ND |
2014-03-25 | 2706-032-1150 | ND |
2014-04-01 | 2706-028-1030 | ND |
2014-04-01 | 2706-032-1300 | ND |
2014-04-09 | 2706-028-1100 | ND |
2014-04-09 | 2706-032-1125 | ND |
2014-04-16 | 2706-028-1411 | ND |
2014-04-16 | 2706-032-1343 | ND |
2014-04-17 | 201404180109AM | ND |
2014-04-17 | 201404180113AM | ND |
2014-04-17 | 201404180111AM | 0.0480 ppb |
2014-04-17 | 201404180115AM | ND |
2014-04-23 | 2706-028-0900 | 2.50 ppb |
2014-04-23 | 2706-032-0924 | ND |
2014-04-29 | 2706-028-1157 | ND |
2014-04-29 | 2706-032-1124 | ND |
2014-05-01 | 2706-032-1100 | ND |
2014-05-06 | 2706-016-1028 | ND |
2014-05-07 | 2706-028-1156 | ND |
2014-05-07 | 2706-032-1130 | ND |
2014-05-14 | 2706-028-1234 | ND |
2014-05-14 | 2706-032-1411 | ND |
2014-05-21 | 2706-028-1327 | ND |
2014-05-21 | 2706-032-1400 | ND |
2014-05-28 | 2706-028-1330 | ND |
2014-05-28 | 2706-032-1344 | ND |
2014-06-02 | 2706-028-1258 | ND |
2014-06-04 | 2706-032-1230 | ND |
2014-06-11 | 2706-028-1214 | ND |
2014-06-11 | 2706-032-1227 | ND |
2014-06-18 | 2706-028-0745 | ND |
2014-06-18 | 2706-032-0805 | ND |
2014-06-24 | 2706-028-1128 | ND |
2014-06-24 | 2706-032-1249 | ND |
2014-07-01 | 2706-028-0859 | ND |
2014-07-01 | 2706-032-0943 | ND |
2014-07-08 | 2706-028-1246 | ND |
2014-07-08 | 2706-032-1259 | ND |
2014-07-16 | 2706-028-1346 | ND |
2014-07-16 | 2706-032-1342 | ND |
2014-07-17 | 201407170807AM | ND |
2014-07-22 | 2706-028-1315 | ND |
2014-07-22 | 2706-032-1326 | ND |
2014-07-30 | 2706-028-1254 | ND |
2014-07-30 | 2706-032-1310 | ND |
2014-08-04 | 2706-032-1322 | ND |
2014-08-05 | 2706-028-1215 | ND |
2014-08-06 | 2706-016-0940 | ND |
2014-08-13 | 2706-028-1025 | ND |
2014-08-13 | 2706-032-1104 | ND |
2014-08-18 | 2706-028-1245 | ND |
2014-08-19 | 2706-032-1335 | ND |
2014-08-26 | 2706-028-1230 | ND |
2014-08-26 | 2706-032-1245 | ND |
2014-09-03 | 2706-028-1238 | ND |
2014-09-03 | 2706-032-1346 | ND |
2014-09-10 | 2706-028-0828 | ND |
2014-09-10 | 2706-032-0847 | ND |
2014-09-16 | 2706-028-1236 | ND |
2014-09-16 | 2706-032-1320 | ND |
2014-09-23 | 2706-028-1308 | ND |
2014-09-23 | 2706-032-1324 | ND |
2014-09-29 | 2706-028-1332 | ND |
2014-09-29 | 2706-032-1315 | ND |
2014-10-07 | 2706-028-1057 | ND |
2014-10-07 | 2706-032-1010 | ND |
2014-10-14 | 2706-032-1052 | ND |
2014-10-15 | 2706-028-0918 | ND |
2014-10-21 | 2706-028-0900 | ND |
2014-10-29 | 2706-028-1237 | ND |
2014-11-04 | 2706-016-1054 | ND |
2014-11-04 | 2706-028-1238 | ND |
2014-11-10 | 2706-028-1155 | ND |
2014-11-19 | 2706-028-1235 | ND |
2015-02-02 | 2706-010-1023 | ND |
2015-02-02 | 2706-028-1228 | ND |
2015-02-03 | 2706-016-1152 | ND |
2015-02-04 | 2706-032-1042 | ND |
2015-05-06 | 2706-028-1055 | ND |
2015-05-06 | 2706-032-1009 | ND |
2015-05-07 | 2706-016-1358 | ND |
2015-08-04 | 2706-016-0821 | ND |
2015-08-04 | 2706-028-1122 | ND |
2015-08-04 | 2706-032-1218 | ND |
2015-11-03 | 2706-032-0806 | 0.510 ppb |
2015-11-04 | 2706-016-1304 | ND |
2015-11-05 | 2706-028-0911 | ND |
2016-02-03 | 4790-032-0955 | ND |
2016-05-02 | 2706-028-1140 | ND |
2016-05-02 | 2706-028-1147 | ND |
2016-05-02 | 2706-032-0751 | ND |
2016-05-02 | 2706-032-0757 | ND |
2016-05-04 | 2706-016-0910 | ND |
2016-05-04 | 2706-016-0921 | ND |
2016-08-02 | 2706-016-1146 | ND |
2016-08-02 | 2706-028-1317 | ND |
2016-08-03 | 2706-032-1337 | ND |
2016-11-08 | 2706-016-1303 | ND |
2016-11-09 | 2706-028-0951 | ND |
2016-11-09 | 2706-032-1118 | ND |
2017-01-03 | 9590-016-1315 | ND |
2017-01-04 | 9590-028-1216 | ND |
2017-01-04 | 9590-032-0828 | ND |
2017-01-11 | 9590-028-1057 | ND |
2017-01-11 | 9590-032-0936 | ND |
2017-01-17 | 9590-016-1232 | ND |
2017-01-18 | 9590-028-1306 | ND |
2017-01-18 | 9590-032-1354 | ND |
2017-01-23 | 9590-032-1212 | ND |
2017-02-09 | 9590-010-1025 | ND |
2017-02-09 | 9590-028-1154 | ND |
2017-02-09 | 9590-032-1242 | ND |
2017-02-13 | 9590-016-0850 | ND |
2017-02-27 | 9590-028-1013 | ND |
2017-05-03 | 9590-016-0920 | ND |
2017-05-03 | 9590-028-1305 | ND |
2017-05-03 | 9590-032-1254 | ND |
2017-08-01 | 9590-016-1029 | ND |
2017-08-02 | 9590-028-0752 | ND |
2017-08-02 | 9590-032-0718 | ND |
2017-11-08 | 9590-032-1255 | ND |
2017-11-09 | 9590-016-1103 | ND |
2017-11-09 | 9590-028-1233 | ND |
2017-11-29 | 9590-028-0957 | ND |
2018-02-07 | 9590-028-1355 | ND |
2018-02-07 | 9590-032-1340 | ND |
2018-02-08 | 9590-016-1401 | ND |
2018-02-12 | 9590-010-1230 | ND |
2018-03-07 | 9590-016-1407 | ND |
2018-03-07 | 9590-028-1338 | ND |
2018-03-07 | 9590-032-1304 | ND |
2018-03-21 | 9590-028-0838 | ND |
2018-05-02 | 9590-016-1147 | ND |
2018-05-02 | 9590-032-1336 | ND |
2018-05-03 | 9590-028-1402 | ND |
2018-06-06 | 9590-028-1145 | ND |
2018-07-18 | 9590-028-0811 | ND |
2018-08-06 | 9590-028-1142 | ND |
2018-08-06 | 9590-032-1127 | 1.50 ppb |
2018-09-12 | 9590-016-1156 | ND |
2018-11-06 | 9590-016-1203 | ND |
2018-11-07 | 9590-028-1426 | ND |
2018-11-07 | 9590-032-1332 | ND |
2019-02-11 | 9590-016-1054 | ND |
2019-02-11 | 9590-032-1330 | ND |
2019-02-12 | 9590-028-1333 | ND |
2019-05-08 | 9590-016-1140 | ND |
2019-08-06 | 9590-028-1258 | ND |
2019-08-06 | 9590-032-1220 | ND |
2019-11-06 | 9590-028-1327 | ND |
2019-11-06 | 9590-032-1235 | ND |