Thallium
New York American Water - Merrick
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.0678 ppb | 24 | 5 | ND - 0.366 ppb |
2015 | 0.0241 ppb | 27 | 2 | ND - 0.340 ppb |
2016 | 0.127 ppb | 49 | 18 | ND - 0.440 ppb |
2017 | 0.107 ppb | 56 | 18 | ND - 0.420 ppb |
2018 | 0.0585 ppb | 67 | 11 | ND - 0.450 ppb |
2019 | 0.111 ppb | 78 | 24 | ND - 0.510 ppb |
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 |
---|---|---|
2014-01-15 | 1401644-001-PRI | 0.366 ppb |
2014-05-29 | 1405K49-001-PRI | ND |
2014-06-13 | 06A48-002-PRI | ND |
2014-06-13 | 1406A48-001-PRI | ND |
2014-07-15 | 1407A72-001-PRI | ND |
2014-07-17 | 1407C92-009 | ND |
2014-07-17 | 1407C92-010-PRI | ND |
2014-07-17 | 1407C92-008 | ND |
2014-07-17 | 1407C92-001 | ND |
2014-07-17 | 1407C92-001-PRI | ND |
2014-07-17 | 1407C92-007-PRI | ND |
2014-07-17 | 1407C92-005 | 0.310 ppb |
2014-07-17 | 1407C92-004-PRI | ND |
2014-07-17 | 1407C92-003-PRI | ND |
2014-07-17 | 1407C92-008-PRI | ND |
2014-07-17 | 1407C92-002-PRI | ND |
2014-07-17 | 1407C92-006-PRI | ND |
2014-07-17 | 1407C92-005-PRI | 0.310 ppb |
2014-07-17 | 1407C92-009-PRI | ND |
2014-10-02 | 1410205-003-PRI | ND |
2014-10-02 | 1410205-002-PRI | ND |
2014-10-02 | 1410205-001-PRI | ND |
2014-10-21 | 1410D67-001-PRI | 0.320 ppb |
2014-11-05 | 1411347-001A | 0.320 ppb |
2015-01-15 | 1501912-001A | ND |
2015-01-16 | 1501983-001-PRI | ND |
2015-02-05 | 1502315-001 | ND |
2015-03-12 | 1503879-003-PRI | ND |
2015-03-12 | 1503879-001-PRI | ND |
2015-05-04 | 1505145-003-PRI | ND |
2015-05-04 | 1505145-001-PRI | ND |
2015-05-04 | 1505145-002-PRI | ND |
2015-05-14 | 1505A59-001-PRI | ND |
2015-06-02 | 1506207-001-PRI | ND |
2015-07-28 | 1507K32-001 PRI | ND |
2015-07-29 | 1507L39-001 PRI | ND |
2015-09-24 | 1509J47-007 PRI | ND |
2015-09-24 | 1509J47-004 PRI | ND |
2015-09-24 | 1509J47-003 | ND |
2015-09-24 | 1509J47-001 PRI | ND |
2015-09-24 | 1509J47-008 PRI | ND |
2015-09-24 | 1509J47-006 PRI | ND |
2015-09-24 | 1509J47-002 PRI | ND |
2015-09-24 | 1509J47-005 PRI | 0.310 ppb |
2015-09-25 | 1509K39-003 PRI | ND |
2015-09-25 | 1509K39-002 PRI | ND |
2015-09-25 | 1509K39-001 PRI | ND |
2015-09-29 | 1509M10-001 PRI | ND |
2015-10-15 | 1510C38-001A | 0.340 ppb |
2015-11-20 | 1511G77-003A | ND |
2015-12-11 | 1512A09-001A | ND |
2016-01-14 | 1601989-002 PRI | ND |
2016-01-14 | 1601989-001 PRI | ND |
2016-01-22 | 1601F46-001 | ND |
2016-01-28 | 1601J00-002 | ND |
2016-01-28 | 1601J00-001 | ND |
2016-02-17 | 1602C73-002 | ND |
2016-02-17 | 1602C73-001 | ND |
2016-02-22 | 1602F57-001 PRI | ND |
2016-03-30 | 1603O11-002 PRI | ND |
2016-03-30 | 1603O11-001 PRI | ND |
2016-03-31 | 1603P78-002 | 0.350 ppb |
2016-03-31 | 1603P78-001 | ND |
2016-04-11 | 1604A41-001 PRI | ND |
2016-04-21 | 1604K74-001 PRI | ND |
2016-04-22 | 1604L85-001 PRI | ND |
2016-04-25 | 1604M98-002 | 0.320 ppb |
2016-04-25 | 1604M98-001 | 0.360 ppb |
2016-05-20 | 1605J51-001 | ND |
2016-05-20 | 1605J51-002 | 0.340 ppb |
2016-05-20 | 1605J46-001 PRI | ND |
2016-06-10 | 1606A75-002 | 0.320 ppb |
2016-06-10 | 1606A75-001 | ND |
2016-06-20 | 1606J87-002 PRI | ND |
2016-06-20 | 1606J87-001 PRI | ND |
2016-06-22 | 1606M26-001 PRI | ND |
2016-07-25 | 1607K88-001 | ND |
2016-08-11 | 1608B43-001 | 0.310 ppb |
2016-08-11 | 1608B43-002 | 0.320 ppb |
2016-08-18 | 1608I47-001 | ND |
2016-08-18 | 1608I47-002 | 0.370 ppb |
2016-09-15 | 1609D61-002 | 0.310 ppb |
2016-09-15 | 1609D61-001 | ND |
2016-09-19 | 1609F59-001 PRI | ND |
2016-09-19 | 1609F59-002 | ND |
2016-09-22 | 1609J08-002 PRI | ND |
2016-09-22 | 1609J08-001 PRI | 0.350 ppb |
2016-09-29 | 1609Q55-001 PRI | ND |
2016-09-29 | 1609Q55-003 PRI | ND |
2016-09-29 | 1609Q55-002 PRI | ND |
2016-10-06 | 701376006 | 0.310 ppb |
2016-10-06 | 701376007 | 0.380 ppb |
2016-11-10 | 704402002 | 0.400 ppb |
2016-11-10 | 704402001 | 0.310 ppb |
2016-11-17 | 704846002 PRI | 0.380 ppb |
2016-11-17 | 704846003 PRI | ND |
2016-11-17 | 704846004 PRI | ND |
2016-11-17 | 704846001 PRI | 0.320 ppb |
2016-12-08 | 706409002 | 0.440 ppb |
2016-12-08 | 706409001 | 0.310 ppb |
2017-01-26 | 7010009002 | ND |
2017-01-26 | 7010009001 | ND |
2017-01-31 | 7010203001 | ND |
2017-02-24 | 7012034001 | ND |
2017-02-27 | 7012172005 | ND |
2017-02-28 | 7012219002 | ND |
2017-03-27 | 7014209003 | 0.420 ppb |
2017-03-27 | 7014209001 | ND |
2017-03-27 | 7014209002 | 0.320 ppb |
2017-04-24 | 7016745005 | 0.380 ppb |
2017-04-24 | 7016745004 | 0.320 ppb |
2017-04-24 | 7016745006 | ND |
2017-05-30 | 7019889002 | 0.300 ppb |
2017-05-30 | 7019889001 | ND |
2017-05-30 | 7019889003 | 0.380 ppb |
2017-06-22 | 7022180003 | 0.310 ppb |
2017-06-22 | 7022180002 | ND |
2017-06-22 | 7022180001 | ND |
2017-07-28 | 7025551001 | 0.340 ppb |
2017-07-28 | 7025551002 | 0.300 ppb |
2017-07-28 | 7025551003 | ND |
2017-08-28 | 7028383003 | ND |
2017-08-28 | 7028383002 | ND |
2017-08-28 | 7028383001 | 0.310 ppb |
2017-09-07 | 7029212003-PRI | ND |
2017-09-07 | 7029212002-PRI | ND |
2017-09-07 | 7029212005-PRI | ND |
2017-09-07 | 7029212004-PRI | 0.360 ppb |
2017-09-07 | 7029212001-PRI | ND |
2017-09-08 | 7029327002-PRI | ND |
2017-09-08 | 7029327001-PRI | ND |
2017-09-08 | 7029327005-PRI | 0.320 ppb |
2017-09-08 | 7029327003-PRI | ND |
2017-09-08 | 7029327007-PRI | ND |
2017-09-08 | 7029327004-PRI | ND |
2017-09-08 | 7029327006-PRI | ND |
2017-09-21 | 7030619004-PRI | 0.310 ppb |
2017-09-21 | 7030622002 | ND |
2017-09-21 | 7030622003 | 0.390 ppb |
2017-09-21 | 7030619003-PRI | ND |
2017-09-21 | 7030622001 | 0.310 ppb |
2017-09-21 | 7030619001-PRI | ND |
2017-09-21 | 7030619002-PRI | ND |
2017-09-29 | 7031451001-PRI | ND |
2017-10-02 | 7031582001-PRI | ND |
2017-10-02 | 7031590001 | ND |
2017-10-02 | 7031590002 | ND |
2017-10-02 | 7031590003 | 0.310 ppb |
2017-10-02 | 7031582002-PRI | ND |
2017-10-11 | 7032549001-PRI | 0.310 ppb |
2017-10-11 | 7032549003-PRI | ND |
2017-10-11 | 7032549002-PRI | 0.320 ppb |
2017-11-30 | 7036878002-PRI | ND |
2017-11-30 | 7036878001-PRI | ND |
2017-11-30 | 7036878003-PRI | ND |
2017-12-12 | 7037901001-PRI | ND |
2018-04-09 | 7047658001-PRI | ND |
2018-04-12 | 7048229002-PRI | ND |
2018-04-12 | 7048229003-PRI | ND |
2018-04-12 | 7048229005-PRI | ND |
2018-04-12 | 7048229001-PRI | ND |
2018-04-12 | 7048229004-PRI | ND |
2018-04-12 | 7048229006-PRI | ND |
2018-04-17 | 7048654001-PRI | ND |
2018-04-17 | 7048654002-PRI | ND |
2018-05-04 | 7050598045-PRI | ND |
2018-05-04 | 7050598044-PRI | ND |
2018-05-17 | 7051921001-PRI | ND |
2018-05-31 | 7053366001 | ND |
2018-05-31 | 7053366002 | ND |
2018-06-14 | 7055011001 | 0.300 ppb |
2018-06-14 | 7055011002 | ND |
2018-06-15 | 7055084001 | ND |
2018-06-21 | 7055721002-PRI | ND |
2018-06-21 | 7055721001-PRI | ND |
2018-06-29 | 7056752001-PRI | ND |
2018-06-29 | 7056752002-PRI | ND |
2018-07-27 | 7059646001 | ND |
2018-07-27 | 7059646003 | 0.300 ppb |
2018-07-27 | 7059646002 | ND |
2018-07-27 | 7059646004 | ND |
2018-08-16 | 7061853004 | ND |
2018-08-16 | 7061853001 | ND |
2018-08-16 | 7061853002 | ND |
2018-08-16 | 7061853003 | 0.360 ppb |
2018-09-07 | 7063981002 | 0.350 ppb |
2018-09-07 | 7063981003 | ND |
2018-09-07 | 7063981001 | ND |
2018-09-07 | 7063981004 | ND |
2018-09-24 | 7065692003-PRI | ND |
2018-09-24 | 7065692001-PRI | ND |
2018-09-24 | 7065692004-PRI | ND |
2018-09-24 | 7065692002-PRI | ND |
2018-10-02 | 7066545001-PRI | ND |
2018-10-04 | 7066961006-PRI | ND |
2018-10-04 | 7066961001-PRI | ND |
2018-10-04 | 7066961003-PRI | ND |
2018-10-04 | 7066961005-PRI | ND |
2018-10-04 | 7066961002-PRI | 0.330 ppb |
2018-10-04 | 7066961004-PRI | ND |
2018-10-15 | 7067938001-PRI | ND |
2018-10-15 | 7067945001 | ND |
2018-10-15 | 7067938002-PRI | ND |
2018-10-15 | 7067945003 | 0.390 ppb |
2018-10-15 | 7067945002 | ND |
2018-10-18 | 7068411002-PRI | 0.370 ppb |
2018-10-18 | 7068411001-PRI | ND |
2018-10-25 | 7069084001 | ND |
2018-10-25 | 7069103001-PRI | ND |
2018-10-26 | 7069185002 | 0.380 ppb |
2018-10-30 | 7069513001-PRI | ND |
2018-10-31 | 7069513002-PRI | ND |
2018-11-30 | 7072552001 | 0.360 ppb |
2018-11-30 | 7072552002 | ND |
2018-11-30 | 7072552003 | ND |
2018-12-11 | 7073526001-PRI | ND |
2018-12-11 | 7073526003-PRI | ND |
2018-12-11 | 7073526002-PRI | 0.330 ppb |
2018-12-17 | 7074119004 | ND |
2018-12-17 | 7074119003 | ND |
2018-12-17 | 7074119002 | 0.450 ppb |
2018-12-17 | 7074119001 | ND |
2018-12-18 | 7074222001-PRI | ND |
2019-01-25 | 7077602001 | ND |
2019-01-25 | 7077602003 | ND |
2019-01-25 | 7077602002 | 0.350 ppb |
2019-02-08 | 7078928002-PRI | ND |
2019-02-28 | 7080923004 | ND |
2019-02-28 | 7080923002 | 0.370 ppb |
2019-02-28 | 7080923003 | ND |
2019-02-28 | 7080923001 | ND |
2019-03-14 | 7082404003 | 0.370 ppb |
2019-03-14 | 7082404004 | 0.310 ppb |
2019-03-14 | 7082404002 | ND |
2019-03-14 | 7082404001 | ND |
2019-03-29 | 7083915002-PRI | ND |
2019-04-25 | 7087170002 | ND |
2019-04-25 | 7087170003 | 0.440 ppb |
2019-04-25 | 7087170001 | 0.310 ppb |
2019-04-25 | 7087170004 | 0.440 ppb |
2019-05-07 | 7088507002-PRI | ND |
2019-05-07 | 7088507001 | ND |
2019-05-23 | 7090612001 | 0.320 ppb |
2019-05-23 | 7090612003 | ND |
2019-05-23 | 7090612004 | ND |
2019-05-23 | 7090612005 | 0.330 ppb |
2019-05-23 | 7090612002 | ND |
2019-05-29 | 7091282001-PRI | ND |
2019-06-13 | 7093549001 | ND |
2019-06-13 | 7093549004 | ND |
2019-06-13 | 7093549003 | 0.330 ppb |
2019-06-13 | 7093549002 | ND |
2019-06-13 | 7093549005 | ND |
2019-07-02 | 7096080002-PRI | 0.340 ppb |
2019-07-02 | 7096080001-PRI | 0.510 ppb |
2019-07-12 | 7097310001-PRI | ND |
2019-07-12 | 7097310004-PRI | ND |
2019-07-12 | 7097310003-PRI | ND |
2019-07-12 | 7097310002-PRI | ND |
2019-07-18 | 7097920005 | ND |
2019-07-18 | 7097920001 | 0.340 ppb |
2019-07-18 | 7097920002 | ND |
2019-07-18 | 7097920003 | ND |
2019-07-18 | 7097920004 | 0.370 ppb |
2019-07-18 | 7097920006 | ND |
2019-09-12 | 70104661005 | 0.350 ppb |
2019-09-12 | 70104661006 | ND |
2019-09-12 | 70104661001 | ND |
2019-09-12 | 70104661002 | 0.330 ppb |
2019-09-12 | 70104661004 | ND |
2019-09-12 | 70104661003 | ND |
2019-09-19 | 70105633002-PRI | ND |
2019-09-19 | 70105633001-PRI | 0.350 ppb |
2019-09-19 | 70105633004-PRI | ND |
2019-09-19 | 70105633003-PRI | ND |
2019-10-29 | 70110053006 | ND |
2019-10-29 | 70110053005 | ND |
2019-10-29 | 70110053002 | ND |
2019-10-29 | 70110053003 | ND |
2019-10-29 | 70110053001 | 0.350 ppb |
2019-10-29 | 70110053004 | 0.390 ppb |
2019-10-30 | 70110133002-PRI | ND |
2019-10-30 | 70110133001-PRI | ND |
2019-10-30 | 70110133003-PRI | ND |
2019-10-30 | 70110133006-PRI | ND |
2019-10-30 | 70110133004-PRI | 0.380 ppb |
2019-10-30 | 70110133005-PRI | ND |
2019-10-30 | 70110133007-PRI | ND |
2019-11-15 | 70111990002-PRI | ND |
2019-11-27 | 70113515002 | ND |
2019-11-27 | 70113515004 | 0.350 ppb |
2019-11-27 | 70113515003 | ND |
2019-11-27 | 70113515005 | ND |
2019-11-27 | 70113515006 | ND |
2019-11-27 | 70113515001 | 0.310 ppb |
2019-12-05 | 70114253001 | 0.340 ppb |
2019-12-05 | 70114253002 | ND |
2019-12-05 | 70114253004 | 0.380 ppb |
2019-12-05 | 70114253006 | ND |
2019-12-05 | 70114253005 | ND |
2019-12-05 | 70114253003 | ND |