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EWG's Tap Water Database — 2021 UPDATE

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Benzene

California Water Service (CWS) - Bakersfield

Benzene is a known human carcinogen. It also damages blood cells and the nervous system. Emissions from petroleum processing, hazardous waste landfills and underground storage tanks contaminate drinking water with benzene. Read More.

To protect against cancer risks, California set a public health goal for benzene in drinking water at 0.15 parts per billion, 30 times lower than the federal legal limit of 5 parts per billion.

Click here to read more about carcinogenic VOCs.

 

514

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND1380ND
2015ND1020ND
2016ND870ND
2017ND630ND
2018ND620ND
2019ND620ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.15 ppb

The EWG Health Guideline of 0.15 ppb for benzene 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.

EPA Maximum Contaminant
Level (MCL) 5 ppb

The legal limit for benzene, established in 1987, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to benzene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-025810-001-1520ND
2014-01-065701-143-1511ND
2014-01-065701-168-1525ND
2014-01-075701-251-0900ND
2014-01-095701-001-1535ND
2014-01-135701-168-0930ND
2014-01-145701-001-1430ND
2014-01-215701-001-1506ND
2014-01-235701-002-0940ND
2014-01-235701-026-1445ND
2014-01-235701-168-1515ND
2014-01-285701-001-0859ND
2014-01-305701-168-1445ND
2014-02-045701-001-1459ND
2014-02-045701-009-0936ND
2014-02-055701-143-0930ND
2014-02-055701-168-1540ND
2014-02-055701-251-1600ND
2014-02-115701-001-1455ND
2014-02-185701-001-1527ND
2014-02-255701-001-1518ND
2014-03-035701-143-1423ND
2014-03-045701-168-1500ND
2014-03-045701-251-1251ND
2014-03-065701-001-1550ND
2014-03-115701-001-1315ND
2014-03-185701-001-1320ND
2014-03-245701-072-1330ND
2014-03-245701-131-1045ND
2014-03-245701-151-1120ND
2014-03-255701-001-1442ND
2014-04-035701-001-1521ND
2014-04-085701-001-1502ND
2014-04-085701-168-1022ND
2014-04-105701-251-0945ND
2014-04-155701-001-1515ND
2014-04-155701-056-1450ND
2014-04-215701-026-1256ND
2014-04-225701-001-1440ND
2014-04-235701-002-0813ND
2014-04-235701-005-0813ND
2014-04-235701-018-1330ND
2014-04-295701-001-1429ND
2014-04-305701-091-1445ND
2014-05-055701-168-1540ND
2014-05-065701-056-1515ND
2014-05-095701-001-1350ND
2014-05-135701-001-1549ND
2014-05-205701-001-1517ND
2014-05-275701-001-1533ND
2014-05-285701-099-1130ND
2014-05-285701-110-1150ND
2014-05-295701-251-1401ND
2014-06-025701-154-1330ND
2014-06-035701-056-1030ND
2014-06-055701-001-1310ND
2014-06-105701-001-1500ND
2014-06-115701-168-0910ND
2014-06-165701-001-1230ND
2014-06-245701-001-0930ND
2014-06-255701-020-0918ND
2014-06-255701-131-1400ND
2014-06-255701-151-1440ND
2014-06-265701-251-1005ND
2014-06-305701-021-1118ND
2014-07-015701-001-0815ND
2014-07-085701-001-0825ND
2014-07-085701-056-1515ND
2014-07-085701-143-1305ND
2014-07-085701-251-1345ND
2014-07-155701-001-1110ND
2014-07-225701-001-0830ND
2014-07-225701-002-1227ND
2014-07-225701-005-1313ND
2014-07-225701-031-1030ND
2014-07-235701-011-1315ND
2014-07-235701-026-1530ND
2014-07-235701-091-1415ND
2014-07-245701-018-1037ND
2014-07-295701-001-1320ND
2014-08-055701-001-1450ND
2014-08-055701-143-1015ND
2014-08-055701-251-1245ND
2014-08-125810-001-1410ND
2014-08-135810-056-1445ND
2014-08-195701-001-1020ND
2014-08-265701-001-1015ND
2014-08-275701-154-1355ND
2014-08-285701-024-1305ND
2014-08-285701-099-1515ND
2014-08-285701-110-1245ND
2014-09-025701-001-1215ND
2014-09-095701-001-1500ND
2014-09-095701-056-1220ND
2014-09-095701-143-1445ND
2014-09-095701-251-1346ND
2014-09-165701-001-1310ND
2014-09-225701-151-0915ND
2014-09-235701-001-0905ND
2014-09-235701-021-1048ND
2014-09-235701-129-1315ND
2014-09-245701-131-1035ND
2014-09-305701-001-1456ND
2014-10-075701-001-1119ND
2014-10-075701-251-0905ND
2014-10-085701-143-1340ND
2014-10-149590-001-1450ND
2014-10-209590-002-1115ND
2014-10-209590-005-1130ND
2014-10-209590-006-1138ND
2014-10-209590-026-1400ND
2014-10-209590-050-1215ND
2014-10-209590-091-1237ND
2014-10-215701-001-1504ND
2014-10-219590-004-1245ND
2014-10-285701-001-1118ND
2014-10-285701-018-1045ND
2014-11-045701-001-1040ND
2014-11-045701-251-1004ND
2014-11-055701-143-1110ND
2014-11-135701-001-1140ND
2014-11-175701-099-1405ND
2014-11-175701-110-1120ND
2014-11-175701-154-0950ND
2014-11-185701-001-0936ND
2014-11-255701-001-1040ND
2014-12-035701-001-1341ND
2014-12-095701-001-1501ND
2014-12-095701-143-1010ND
2014-12-095701-251-1540ND
2014-12-165701-001-1510ND
2014-12-185701-021-1345ND
2014-12-185701-072-1500ND
2014-12-185701-129-1130ND
2014-12-185701-131-1030ND
2014-12-185701-151-0940ND
2014-12-269590-001-1115ND
2014-12-309590-001-1548ND
2015-01-065701-001-1129ND
2015-01-085701-143-1218ND
2015-01-085701-251-1138ND
2015-01-135701-001-1518ND
2015-01-205701-001-1424ND
2015-01-205701-026-1345ND
2015-01-235701-002-1120ND
2015-01-235701-005-1135ND
2015-01-235701-018-1235ND
2015-01-275701-001-0825ND
2015-02-035701-001-1053ND
2015-02-035701-251-1205ND
2015-02-125701-001-1505ND
2015-02-175701-001-1420ND
2015-02-245701-001-1415ND
2015-03-035701-001-1108ND
2015-03-035701-251-1140ND
2015-03-105701-001-1448ND
2015-03-165701-051-1045ND
2015-03-175701-001-1358ND
2015-03-245701-001-1514ND
2015-03-315701-001-0847ND
2015-04-075701-001-0940ND
2015-04-145701-001-1015ND
2015-04-145701-251-0942ND
2015-04-215701-001-1000ND
2015-04-215701-002-1233ND
2015-04-285701-001-0940ND
2015-05-059590-001-1035ND
2015-05-129590-001-0855ND
2015-05-129590-251-1415ND
2015-05-185701-105-1322ND
2015-05-195701-001-0915ND
2015-05-195701-096-1100ND
2015-05-285701-001-1308ND
2015-05-285701-156-1406ND
2015-06-045701-001-1130ND
2015-06-085701-001-1153ND
2015-06-085701-251-1448ND
2015-06-165701-001-1430ND
2015-06-165701-072-1500ND
2015-06-165701-151-1210ND
2015-06-235701-001-1330ND
2015-06-295701-001-0945ND
2015-07-075701-001-1215ND
2015-07-075701-168-0956ND
2015-07-095701-251-0912ND
2015-07-145701-001-1500ND
2015-07-165701-059-1400ND
2015-07-165701-068-1115ND
2015-07-215701-001-1435ND
2015-07-285701-001-1435ND
2015-07-285701-002-1200ND
2015-08-045701-001-1445ND
2015-08-055701-168-1445ND
2015-08-065701-251-0850ND
2015-08-115701-001-1335ND
2015-08-135701-099-1200ND
2015-08-135701-126-1130ND
2015-08-175701-001-1250ND
2015-08-245701-160-1015ND
2015-08-255701-001-1505ND
2015-08-315701-098-1005ND
2015-09-015701-001-1455ND
2015-09-025701-168-1550ND
2015-09-085701-001-1510ND
2015-09-105701-251-1138ND
2015-09-155701-001-1510ND
2015-09-225701-001-1335ND
2015-09-295701-001-1440ND
2015-10-055701-168-1000ND
2015-10-065701-001-1100ND
2015-10-065701-058-1055ND
2015-10-065701-092-1343ND
2015-10-085701-251-0945ND
2015-10-135701-001-1410ND
2015-10-205701-001-1030ND
2015-10-219590-002-1050ND
2015-10-219590-053-1145ND
2015-10-229590-038-1035ND
2015-10-229590-079-1450ND
2015-10-275701-001-1100ND
2015-11-035701-168-0834ND
2015-11-055701-001-1000ND
2015-11-095701-001-1425ND
2015-11-105701-251-0845ND
2015-11-175810-001-1045ND
2015-11-185810-126-1445ND
2015-11-249590-001-1045ND
2015-12-019590-001-1230ND
2015-12-025701-168-1120ND
2015-12-075701-069-0950ND
2015-12-075701-117-1500ND
2015-12-085701-001-1435ND
2015-12-095701-106-1300ND
2015-12-095701-163-1212ND
2015-12-105701-094-1315ND
2015-12-105701-251-1330ND
2015-12-155701-001-1200ND
2015-12-155701-108-1015ND
2015-12-225701-001-1045ND
2015-12-295701-001-1141ND
2016-01-075701-001-1015ND
2016-01-125701-001-0955ND
2016-01-125701-251-1210ND
2016-01-195701-001-1324ND
2016-01-195701-107-0930ND
2016-01-205701-002-0925ND
2016-01-265701-001-0905ND
2016-02-045701-001-1305ND
2016-02-095701-001-1038ND
2016-02-165701-001-1005ND
2016-02-175701-122-1350ND
2016-02-235701-001-1100ND
2016-02-295701-001-1400ND
2016-02-295701-251-1435ND
2016-03-085701-001-1150ND
2016-03-095701-251-0850ND
2016-03-155701-001-1035ND
2016-03-225701-001-0849ND
2016-03-295701-001-1045ND
2016-04-055701-001-0935ND
2016-04-055701-251-1530ND
2016-04-125701-001-1015ND
2016-04-145701-002-1110ND
2016-04-145701-118-1315ND
2016-04-185701-079-1230ND
2016-04-195701-001-1020ND
2016-04-275701-001-0914ND
2016-05-025701-251-0945ND
2016-05-035701-001-0948ND
2016-05-105701-001-0841ND
2016-05-165701-124-1503ND
2016-05-175701-001-1016ND
2016-05-205701-126-1300ND
2016-05-245701-001-1030ND
2016-05-315701-001-1015ND
2016-06-075701-001-1259ND
2016-06-145701-001-1110ND
2016-06-155701-251-1300ND
2016-06-205701-015-1130ND
2016-06-205701-072-1445ND
2016-06-205701-148-1100ND
2016-06-205701-151-0950ND
2016-06-215701-001-1030ND
2016-06-285701-001-1035ND
2016-07-055701-001-1315ND
2016-07-125701-001-1300ND
2016-07-125701-251-1030ND
2016-07-195701-001-0900ND
2016-07-205701-002-1200ND
2016-07-205701-079-1213ND
2016-07-205701-109-1250ND
2016-07-205701-149-1200ND
2016-07-275701-001-0900ND
2016-07-275701-150-1510ND
2016-08-025701-001-0940ND
2016-08-085701-251-1130ND
2016-08-095810-001-1135ND
2016-08-239590-001-0915ND
2016-08-295701-001-1435ND
2016-08-295701-024-1231ND
2016-08-295701-099-1300ND
2016-08-295701-126-1400ND
2016-08-305701-125-1338ND
2016-09-065701-001-1010ND
2016-09-135701-001-0945ND
2016-09-155701-251-1335ND
2016-09-195701-052-1120ND
2016-09-195701-119-1210ND
2016-09-195701-146-1110ND
2016-09-205701-001-1000ND
2016-09-275701-001-1305ND
2016-10-045701-001-1000ND
2016-10-115701-001-1020ND
2016-10-125701-251-1100ND
2016-10-185701-001-0935ND
2016-10-185701-079-0958ND
2016-10-185701-265-1120ND
2016-10-255701-001-0930ND
2016-11-015701-001-0915ND
2016-11-035701-251-0905ND
2016-11-045701-265-1220ND
2016-11-155701-001-1030ND
2016-11-305701-126-1430ND
2016-12-065701-001-0920ND
2016-12-135701-003-1020ND
2016-12-135701-251-0900ND
2016-12-145701-091-1410ND
2017-01-095701-001-1005ND
2017-01-095701-265-1220ND
2017-01-125701-251-1025ND
2017-01-245701-002-1005ND
2017-02-065701-001-1300ND
2017-02-065701-265-1200ND
2017-02-215701-251-1500ND
2017-02-235701-005-1246ND
2017-03-065701-001-1020ND
2017-03-065701-265-1448ND
2017-03-145701-251-1505ND
2017-03-235810-021-0855ND
2017-04-035701-001-1227ND
2017-04-035701-265-1028ND
2017-04-045701-251-0830ND
2017-04-105701-002-1415ND
2017-04-105701-009-1120ND
2017-04-135701-004-1345ND
2017-05-025701-001-1320ND
2017-05-025701-251-1120ND
2017-05-025701-265-1215ND
2017-05-225701-154-1015ND
2017-05-315701-110-1415ND
2017-05-315701-126-1210ND
2017-06-055701-001-1104ND
2017-06-055701-265-0904ND
2017-06-085701-251-1445ND
2017-06-195701-018-1102ND
2017-06-275701-056-1455ND
2017-06-285701-131-1003ND
2017-07-105701-251-1014ND
2017-07-189590-001-1210ND
2017-07-189590-265-0935ND
2017-07-209590-002-1235ND
2017-07-219590-026-1031ND
2017-07-219590-031-1337ND
2017-08-075701-001-1100ND
2017-08-075701-265-0920ND
2017-08-085701-251-0840ND
2017-08-305810-099-0910ND
2017-08-305810-126-0847ND
2017-09-065701-151-1306ND
2017-09-075701-001-1017ND
2017-09-075701-251-0926ND
2017-09-085701-265-1315ND
2017-09-185701-143-1205ND
2017-10-025701-251-1452ND
2017-10-035701-001-1305ND
2017-10-035701-265-1130ND
2017-10-105701-002-1125ND
2017-10-105701-050-1055ND
2017-10-255701-126-1314ND
2017-10-305701-079-1355ND
2017-11-025701-001-1118ND
2017-11-025701-251-0913ND
2017-11-065701-011-1032ND
2017-11-065701-265-1123ND
2017-12-067625-267-1055ND
2017-12-075701-001-1157ND
2017-12-075701-251-1125ND
2017-12-075701-265-0952ND
2017-12-135701-129-1112ND
2017-12-289590-020-0955ND
2018-01-025701-001-1250ND
2018-01-025701-265-1142ND
2018-01-085810-265-0149ND
2018-01-185701-251-1131ND
2018-01-255701-002-1225ND
2018-01-255810-265-1230ND
2018-02-085701-001-1135ND
2018-02-085701-251-1116ND
2018-02-085701-265-1212ND
2018-02-225701-126-1110ND
2018-03-015701-001-0900ND
2018-03-015701-251-1113ND
2018-03-015701-265-1020ND
2018-03-145701-051-1130ND
2018-04-055810-001-1103ND
2018-04-055810-265-1125ND
2018-04-095810-002-1315ND
2018-04-235810-094-1044ND
2018-05-095701-105-1158ND
2018-05-095701-156-1143ND
2018-05-115701-251-0903ND
2018-05-165701-265-1115ND
2018-06-065810-265-1111ND
2018-06-145810-096-1240ND
2018-06-145810-126-1320ND
2018-06-159590-026-0945ND
2018-06-265701-072-1257ND
2018-06-265701-151-1226ND
2018-06-265701-251-1346ND
2018-07-055810-265-1141ND
2018-07-115810-168-1213ND
2018-07-115810-251-1248ND
2018-07-165701-091-1105ND
2018-07-185701-068-0936ND
2018-07-235701-002-1445ND
2018-07-235701-059-0900ND
2018-07-235701-092-1430ND
2018-07-235701-106-1345ND
2018-08-085701-168-1149ND
2018-08-095701-251-1115ND
2018-08-215701-098-0940ND
2018-08-235810-099-1100ND
2018-08-235810-117-1000ND
2018-08-275810-126-1500ND
2018-08-275810-160-1200ND
2018-09-115701-168-1108ND
2018-09-265701-058-1031ND
2018-09-265701-069-1013ND
2018-09-275701-251-1423ND
2018-10-015701-168-1011ND
2018-10-095701-251-1544ND
2018-10-155701-053-1050ND
2018-10-225810-069-1130ND
2018-10-235810-069-1050ND
2018-10-315701-002-1115ND
2018-10-315701-038-0827ND
2018-11-055701-168-1358ND
2018-11-055701-251-0921ND
2018-11-165701-048-1138ND
2018-11-275810-126-1520ND
2018-12-115810-168-1441ND
2018-12-115810-251-1253ND
2019-01-115810-168-0911ND
2019-01-165810-251-0925ND
2019-01-245810-107-1500ND
2019-01-285701-002-1310ND
2019-01-305810-069-1305ND
2019-02-065701-168-0945ND
2019-02-075701-251-0900ND
2019-02-145701-122-1335ND
2019-03-025810-168-0906ND
2019-03-075810-251-1041ND
2019-03-135701-126-1120ND
2019-04-035701-168-0935ND
2019-04-095701-251-0943ND
2019-04-235701-125-1210ND
2019-04-245701-002-1125ND
2019-04-245701-069-1230ND
2019-04-245701-118-1100ND
2019-05-035810-168-1016ND
2019-05-095701-251-1030ND
2019-05-235810-069-0830ND
2019-05-245810-069-0840ND
2019-05-295701-124-0910ND
2019-05-295701-126-1105ND
2019-06-045701-168-0806ND
2019-06-115701-251-1200ND
2019-06-175701-151-1005ND
2019-06-195701-148-1140ND
2019-07-095701-168-1433ND
2019-07-115701-265-0937ND
2019-07-185701-091-0850ND
2019-07-185701-109-0950ND
2019-07-235701-251-1145ND
2019-07-245701-002-1415ND
2019-07-245701-003-1344ND
2019-07-255701-015-0930ND
2019-07-255701-069-0920ND
2019-08-055701-168-1352ND
2019-08-085701-251-1030ND
2019-08-095701-015-0920ND
2019-08-165701-024-1035ND
2019-08-185701-149-0705ND
2019-08-265810-099-1145ND
2019-08-265810-126-1115ND
2019-09-035701-168-1307ND
2019-09-055701-251-0840ND
2019-09-175701-146-0942ND
2019-09-245701-055-1330ND
2019-10-085701-251-0825ND
2019-10-095701-125-1125ND
2019-10-105701-118-1140ND
2019-10-155701-168-0827ND
2019-10-175701-055-1150ND
2019-10-215701-002-0931ND
2019-10-215701-069-0849ND
2019-11-035701-168-0802ND
2019-11-075701-126-0955ND
2019-11-075701-251-1130ND
2019-11-215701-052-1230ND
2019-11-215701-108-1145ND
2019-12-025701-168-1038ND
2019-12-105701-119-0842ND
2019-12-105701-251-1020ND