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EWG's Tap Water Database — 2021 UPDATE

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Thallium

Cws - Lakeland

Thalium is a naturally occurring metal released into the environment from metal smelting and coal burning. Exposure to too much thalium can cause hair loss, liver damage, reduced sperm motility and nervous system impairment.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.00162 ppb133ND - 0.0120 ppb
20150.000333 ppb122ND - 0.00300 ppb
2016ND170ND
2017ND200ND
2018ND180ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for thallium 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for thallium, established in 1992, was based on analytical detection limits at the time that the standard was set.

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-175701-005-13450.001000 ppb
2014-07-145701-005-14420.00800 ppb
2014-07-145701-004-1506ND
2014-07-145701-008-1425ND
2014-07-145701-008-1426ND
2014-08-125701-005-1427ND
2014-08-185810-005-0841ND
2014-09-165701-005-1523ND
2014-10-085701-008-1145ND
2014-10-085701-004-1155ND
2014-10-085701-005-1211ND
2014-10-085701-008-1144ND
2014-11-195701-005-08300.0120 ppb
2015-01-215701-004-1305ND
2015-01-215701-005-1232ND
2015-01-215701-008-1251ND
2015-02-175701-005-0922ND
2015-04-135701-008-1405ND
2015-04-135701-005-1417ND
2015-05-205701-005-09200.00300 ppb
2015-06-105701-005-14520.001000 ppb
2015-06-235806-014-1010ND
2015-08-185810-005-1142ND
2015-10-195701-004-1022ND
2015-10-195701-005-1050ND
2016-02-175701-005-1138ND
2016-03-075701-005-1329ND
2016-04-205701-005-1054ND
2016-04-205810-008-1115ND
2016-04-205701-008-1115ND
2016-05-175701-005-0920ND
2016-07-205810-004-1347ND
2016-07-205701-005-1433ND
2016-07-205701-008-1416ND
2016-08-165701-005-1432ND
2016-08-255810-003-1406ND
2016-09-075701-005-1443ND
2016-09-145810-014-1303ND
2016-10-125701-008-0957ND
2016-10-125701-014-1029ND
2016-10-125701-005-1042ND
2016-12-145701-005-1248ND
2017-01-105701-004-0932ND
2017-01-105701-005-0857ND
2017-01-105701-005-1052ND
2017-01-105701-008-0846ND
2017-02-075701-005-1417ND
2017-02-085701-014-1423ND
2017-04-125701-005-1435ND
2017-04-125701-008-1407ND
2017-04-125701-014-1420ND
2017-05-175701-005-1402ND
2017-06-075701-005-1436ND
2017-07-195701-014-1335ND
2017-07-205701-008-1440ND
2017-07-205701-005-1422ND
2017-08-225701-005-1000ND
2017-09-065701-005-1416ND
2017-10-245701-005-1420ND
2017-10-245701-014-1406ND
2017-10-245701-008-1352ND
2017-12-065701-005-0809ND
2018-01-165701-014-1412ND
2018-01-165701-008-1430ND
2018-01-165701-005-1435ND
2018-02-075701-005-1420ND
2018-03-195701-005-1435ND
2018-04-035701-008-1340ND
2018-04-035701-014-1355ND
2018-04-035701-005-1415ND
2018-04-185701-008-1417ND
2018-04-185701-004-1400ND
2018-04-185701-005-1430ND
2018-05-025701-005-1345ND
2018-07-235701-005-1440ND
2018-07-235701-014-1450ND
2018-07-235701-008-1500ND
2018-09-195701-005-1415ND
2018-10-105810-005-0950ND
2018-12-115701-005-0830ND
2019-01-165701-008-1000ND
2019-01-165701-014-1010ND
2019-01-165701-005-1020ND
2019-02-065701-005-0934ND
2019-04-105701-014-1430ND
2019-04-105701-008-1417ND
2019-04-105701-005-1438ND
2019-04-235810-008-1310ND
2019-06-055701-005-1435ND
2019-07-105701-014-1436ND
2019-07-105701-008-1422ND
2019-07-105701-005-1444ND
2019-07-225810-004-1400ND
2019-08-205810-003-1500ND
2019-09-115810-014-1420ND
2019-10-165810-005-1434ND