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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

California Water Service - Stockton

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

MORE ABOUT THIS CONTAMINANT

 

410

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.00127 ppb1169ND - 0.0200 ppb
2015ND360ND
2016ND450ND
2017ND450ND
2018ND950ND
2019ND730ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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
2014-01-065701-069-0917ND
2014-01-065701-131-0905ND
2014-01-09201401100143AMND
2014-01-09201401100117AMND
2014-01-09201401100158AMND
2014-01-14201401150487AMND
2014-01-14201401150323AMND
2014-01-14201401150650AMND
2014-01-16201401170453AMND
2014-01-16201401170466AMND
2014-01-16201401170408AMND
2014-01-215810-007-1147ND
2014-01-215810-013-1133ND
2014-01-215810-064-1055ND
2014-01-22201401230168AMND
2014-01-235701-007-1227ND
2014-01-235701-013-1145ND
2014-01-235701-028-1205ND
2014-01-235701-064-1045ND
2014-01-235701-065-1105ND
2014-01-235701-067-1125ND
2014-02-035701-069-0957ND
2014-02-035701-131-0945ND
2014-02-045701-063-1036ND
2014-02-045701-125-1040ND
2014-02-125701-063-0930ND
2014-02-125701-125-0937ND
2014-02-205701-062-1115ND
2014-03-045701-069-0715ND
2014-03-045701-131-0726ND
2014-03-115701-063-11500.0140 ppb
2014-03-115701-063-1238ND
2014-03-115701-125-1115ND
2014-03-115701-125-1210ND
2014-03-185701-052-1100ND
2014-03-185701-130-1146ND
2014-03-185701-132-1310ND
2014-04-025701-069-0920ND
2014-04-025701-131-0940ND
2014-04-095701-063-11190.0130 ppb
2014-04-095701-063-1212ND
2014-04-095701-125-1207ND
2014-04-095701-125-1307ND
2014-04-155701-007-1013ND
2014-04-155701-007-1020ND
2014-04-155701-013-1210ND
2014-04-155701-013-1212ND
2014-04-155701-018-1230ND
2014-04-155701-018-1232ND
2014-04-155701-028-1150ND
2014-04-155701-065-1612ND
2014-04-155701-065-1624ND
2014-04-155701-067-1130ND
2014-04-21201404220356AMND
2014-04-21201404220291AMND
2014-04-305701-050-1319ND
2014-04-305701-052-1020ND
2014-05-065701-069-0930ND
2014-05-065701-131-0947ND
2014-05-135701-063-1000ND
2014-05-135701-063-10500.0170 ppb
2014-05-135701-125-0925ND
2014-05-135701-125-1015ND
2014-05-205701-015-1112ND
2014-05-205701-050-1040ND
2014-05-205701-132-0950ND
2014-05-215701-053-1009ND
2014-05-215701-053-1015ND
2014-05-215701-062-1125ND
2014-06-035701-069-1117ND
2014-06-035701-131-2112ND
2014-06-045701-063-1144ND
2014-06-045701-063-12190.0120 ppb
2014-06-045701-125-1059ND
2014-06-045701-125-1156ND
2014-06-185701-055-1145ND
2014-06-185701-130-0930ND
2014-06-235701-130-0954ND
2014-06-235701-132-1020ND
2014-07-035701-069-1035ND
2014-07-035701-131-1052ND
2014-07-075701-063-09070.0170 ppb
2014-07-075701-063-0918ND
2014-07-075701-125-0840ND
2014-07-075701-125-0921ND
2014-07-08201407090774AMND
2014-07-08201407090710AMND
2014-07-08201407090771AMND
2014-07-08201407090791AMND
2014-07-14201407150431AMND
2014-07-15201407160595AMND
2014-07-15201407160584AMND
2014-07-15201407160567AMND
2014-07-225701-007-1530ND
2014-07-225701-007-1532ND
2014-07-225701-013-1510ND
2014-07-225701-013-1512ND
2014-07-225701-028-1026ND
2014-07-225701-065-0914ND
2014-07-225701-067-1001ND
2014-07-23201407240452AMND
2014-07-305701-029-1135ND
2014-07-305701-029-1140ND
2014-08-135701-063-11120.0170 ppb
2014-08-135701-125-1045ND
2014-08-145701-062-1132ND
2014-10-079590-007-1143ND
2014-10-079590-013-1053ND
2014-10-079590-050-1240ND
2014-10-08201410090370AMND
2014-10-08201410090339AMND
2014-10-149590-058-1112ND
2014-10-159590-063-12300.0190 ppb
2014-11-059590-063-09400.0200 ppb
2014-12-099590-063-11400.0180 ppb
2014-12-099590-125-1115ND
2015-01-07201501080584AMND
2015-01-155701-007-1348ND
2015-01-155701-013-1339ND
2015-01-155701-067-1326ND
2015-01-155701-125-1036ND
2015-01-225701-054-1241ND
2015-02-105701-013-1346ND
2015-02-105701-053-1404ND
2015-02-105701-125-0946ND
2015-03-105701-125-1405ND
2015-04-085701-051-1226ND
2015-04-145701-125-1050ND
2015-04-275701-007-1405ND
2015-05-125701-125-0956ND
2015-05-215701-013-1300ND
2015-05-215701-053-1215ND
2015-06-03201506040498AMND
2015-06-095701-125-1003ND
2015-07-145701-125-0944ND
2015-07-225701-007-1212ND
2015-07-225701-056-1114ND
2015-08-125701-013-1138ND
2015-08-125701-053-1120ND
2015-08-161644-133-0000ND
2015-08-265701-125-1331ND
2015-09-095701-125-1046ND
2015-09-16201509170575AMND
2015-10-155701-060-1230ND
2015-10-155701-125-1104ND
2015-10-275701-007-1105ND
2015-11-045701-125-1022ND
2015-11-175701-013-1114ND
2015-11-175701-053-1139ND
2015-11-195701-059-1042ND
2015-12-089590-125-1101ND
2015-12-095701-018-0531ND
2016-01-135701-125-1015ND
2016-01-265701-007-0905ND
2016-01-265701-018-0720ND
2016-02-035701-125-1123ND
2016-02-235701-013-1302ND
2016-02-235701-053-1232ND
2016-02-235701-061-1142ND
2016-03-095701-125-0936ND
2016-04-125701-125-1303ND
2016-04-185701-007-1045ND
2016-04-185701-018-1200ND
2016-05-105701-125-1040ND
2016-05-125701-013-1020ND
2016-05-125701-053-1450ND
2016-06-145701-125-1154ND
2016-07-055701-125-1404ND
2016-07-265701-007-1150ND
2016-07-265701-018-1227ND
2016-08-095701-125-1110ND
2016-09-135701-125-1255ND
2016-09-205701-007-1120ND
2016-09-205701-018-1348ND
2016-10-135701-125-1253ND
2016-11-089590-125-1206ND
2016-11-229590-053-1405ND
2016-12-065810-015-1015ND
2016-12-065701-028-1345ND
2016-12-065810-029-1046ND
2016-12-065701-045-1430ND
2016-12-065810-051-1120ND
2016-12-065810-054-1310ND
2016-12-065810-055-1430ND
2016-12-065810-056-1402ND
2016-12-065810-058-1338ND
2016-12-065810-064-1235ND
2016-12-065701-067-1005ND
2016-12-065701-069-1540ND
2016-12-065701-130-1135ND
2016-12-065810-132-1505ND
2016-12-075810-050-1340ND
2016-12-075810-062-1355ND
2016-12-125701-059-1340ND
2016-12-125701-060-1254ND
2016-12-125701-061-1145ND
2016-12-145701-125-1304ND
2017-01-125701-125-1022ND
2017-01-185701-007-1454ND
2017-01-185701-018-1432ND
2017-01-185701-064-1000ND
2017-02-145701-125-1059ND
2017-02-165701-045-1320ND
2017-02-165701-053-1140ND
2017-03-085701-125-1010ND
2017-04-065701-125-1413ND
2017-04-175701-007-1335ND
2017-04-175701-029-1020ND
2017-04-175701-052-1155ND
2017-04-185701-133-1127ND
2017-05-035701-125-1127ND
2017-05-155701-015-1017ND
2017-05-155701-055-1512ND
2017-05-165701-028-1415ND
2017-05-165701-045-1507ND
2017-05-165701-053-1542ND
2017-05-245701-018-1031ND
2017-06-145701-058-1040ND
2017-06-145701-130-1220ND
2017-06-145701-132-1115ND
2017-06-205701-125-0940ND
2017-07-115701-125-1449ND
2017-07-255701-007-1240ND
2017-07-255701-133-1415ND
2017-08-085701-125-1143ND
2017-08-215701-015-1128ND
2017-08-215701-029-1054ND
2017-08-215701-051-1005ND
2017-08-215701-052-0932ND
2017-08-215701-053-1420ND
2017-08-215701-054-1028ND
2017-08-215701-059-1458ND
2017-08-215701-060-1535ND
2017-08-215701-062-1255ND
2017-09-075701-125-1418ND
2017-10-129590-125-1055ND
2017-10-165701-007-1235ND
2017-10-165701-061-1500ND
2017-11-065701-125-1449ND
2017-11-285701-053-1124ND
2017-12-055701-125-1136ND
2017-12-195701-050-1200ND
2018-01-035701-125-1118ND
2018-01-175701-007-0943ND
2018-01-175701-051-1116ND
2018-02-065701-125-1029ND
2018-02-205701-053-1048ND
2018-02-205701-064-1250ND
2018-02-215701-050-1245ND
2018-03-135810-029-1250ND
2018-03-135810-050-1110ND
2018-03-135810-052-1150ND
2018-03-135810-054-1020ND
2018-03-135810-055-1335ND
2018-03-135810-056-1325ND
2018-03-135701-058-0950ND
2018-03-135701-062-0915ND
2018-03-135701-067-1305ND
2018-03-135701-130-0950ND
2018-03-135810-132-1405ND
2018-03-135701-133-1054ND
2018-03-155806-028-0945ND
2018-03-155806-045-1024ND
2018-03-155806-059-1100ND
2018-03-155806-060-1109ND
2018-03-155806-061-1144ND
2018-04-125701-052-1230ND
2018-04-125701-054-1135ND
2018-04-125701-062-1055ND
2018-04-175701-029-1545ND
2018-04-175701-050-1310ND
2018-04-175701-056-1425ND
2018-04-245701-007-1205ND
2018-04-245701-051-1325ND
2018-04-245701-064-1345ND
2018-04-255810-059-1210ND
2018-04-255810-060-1120ND
2018-04-255810-061-1255ND
2018-04-255810-067-1445ND
2018-04-255810-133-1410ND
2018-05-095701-125-1154ND
2018-05-155810-015-1045ND
2018-05-155810-045-1440ND
2018-05-155810-053-1548ND
2018-05-155810-055-1017ND
2018-06-265810-058-1050ND
2018-06-265810-125-1100ND
2018-06-265810-130-1415ND
2018-06-265810-132-1330ND
2018-07-175701-064-1030ND
2018-07-185810-045-1355ND
2018-07-185810-058-1535ND
2018-07-185810-061-1330ND
2018-07-185701-125-1135ND
2018-07-185810-130-1450ND
2018-07-185810-133-1505ND
2018-07-305810-007-1450ND
2018-07-305810-055-1508ND
2018-07-305810-132-1226ND
2018-08-065701-125-1308ND
2018-08-225701-053-1110ND
2018-08-225701-059-1020ND
2018-08-235701-029-1000ND
2018-08-235701-050-1155ND
2018-08-235701-051-1130ND
2018-08-285701-028-1140ND
2018-08-295701-052-1313ND
2018-08-295701-054-1330ND
2018-08-295701-056-1400ND
2018-08-295701-060-1045ND
2018-08-295701-062-1300ND
2018-08-295701-067-1130ND
2018-09-045701-125-1153ND
2018-10-095810-125-1235ND
2018-10-175701-055-1132ND
2018-10-175701-056-1050ND
2018-10-175810-059-1445ND
2018-10-175810-060-1400ND
2018-10-175701-064-0940ND
2018-10-175810-067-1300ND
2018-10-175810-133-1215ND
2018-10-185810-029-1130ND
2018-10-185810-050-1400ND
2018-10-185810-051-1215ND
2018-10-185810-052-1245ND
2018-10-185810-054-1154ND
2018-10-185810-058-1305ND
2018-10-185810-062-1331ND
2018-10-235701-007-1130ND
2018-10-235701-132-1220ND
2018-10-245701-028-1600ND
2018-10-245701-061-1010ND
2018-10-245701-130-1505ND
2018-11-015701-045-1248ND
2018-11-075701-125-1022ND
2018-11-279590-053-1055ND
2018-12-045701-125-1125ND
2019-01-085701-125-1122ND
2019-01-165810-018-1033ND
2019-01-225810-007-1040ND
2019-01-235810-051-1205ND
2019-02-195810-125-1050ND
2019-02-265810-053-1110ND
2019-02-265810-064-1335ND
2019-03-185701-125-1415ND
2019-04-015810-028-1140ND
2019-04-015701-125-1250ND
2019-04-155810-067-1415ND
2019-04-155810-130-1130ND
2019-04-155810-133-1205ND
2019-04-175810-007-1115ND
2019-04-175810-054-1035ND
2019-04-175810-132-1510ND
2019-04-235701-029-1230ND
2019-04-235701-050-1510ND
2019-04-235701-051-1305ND
2019-04-235701-052-1445ND
2019-04-235810-053-1130ND
2019-04-235810-058-1200ND
2019-04-235810-059-1435ND
2019-04-235810-060-1355ND
2019-04-235810-061-1300ND
2019-04-245810-055-1405ND
2019-04-245810-056-1415ND
2019-04-245810-062-1442ND
2019-05-135701-125-1101ND
2019-05-145810-055-1242ND
2019-05-295701-028-1025ND
2019-05-295701-053-1340ND
2019-06-055701-125-1237ND
2019-06-115810-130-1135ND
2019-06-115810-132-1013ND
2019-06-125810-058-1405ND
2019-07-085701-125-1126ND
2019-07-165810-059-1415ND
2019-07-165810-060-1240ND
2019-07-165810-130-1450ND
2019-07-165810-133-1345ND
2019-07-175810-007-1025ND
2019-07-175810-029-1145ND
2019-07-175810-050-1210ND
2019-07-175810-062-1050ND
2019-07-175810-132-1415ND
2019-07-185810-053-1120ND
2019-07-185810-061-1240ND
2019-07-185810-067-1325ND
2019-07-255701-052-1126ND
2019-07-255701-054-1425ND
2019-07-255701-055-1334ND
2019-07-255701-056-1050ND
2019-07-255701-058-1145ND
2019-08-135701-125-1333ND
2019-08-145810-029-1452ND
2019-08-145810-050-1220ND
2019-08-155810-052-1145ND
2019-08-155810-053-1351ND
2019-08-155810-054-1014ND
2019-08-155810-056-1334ND
2019-08-155810-062-1355ND
2019-08-205810-059-1358ND
2019-08-205810-060-1404ND
2019-08-205810-067-1200ND
2019-09-035701-125-1504ND
2019-10-085701-125-1313ND
2019-10-095701-061-1429ND
2019-10-105701-007-1153ND
2019-11-065701-125-1305ND
2019-11-195701-051-1230ND
2019-11-205810-053-1448ND
2019-12-115701-125-1326ND