Thallium
Hicksville WD
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 14 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 19 | 0 | ND |
2017 | ND | 13 | 0 | ND |
2018 | ND | 15 | 0 | ND |
2019 | 0.0244 ppb | 18 | 1 | ND - 0.440 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 |
---|---|---|
2014-04-24 | 1404I07-001-PRI | ND |
2014-04-24 | 1404I07-003-PRI | ND |
2014-04-24 | 1404I07-002-PRI | ND |
2014-08-13 | 1408899-002-PRI | ND |
2014-08-13 | 1408899-001-PRI | ND |
2014-12-23 | 1412H47-005-PRI | ND |
2014-12-23 | 1412H47-001-PRI | ND |
2014-12-23 | 1412H47-003-PRI | ND |
2014-12-23 | 1412H47-006-PRI | ND |
2014-12-23 | 1412H47-002-PRI | ND |
2014-12-23 | 1412H47-004-PRI | ND |
2014-12-23 | 1412H47-007-PRI | ND |
2014-12-23 | 1412H47-008-PRI | ND |
2014-12-23 | 1412H47-009-PRI | ND |
2015-05-04 | 1505132-001 PRI | ND |
2015-05-11 | 1505731-002 PRI | ND |
2015-05-11 | 1505731-003 PRI | ND |
2015-05-11 | 1505731-001 PRI | ND |
2016-05-17 | 1605F44-001-PRI | ND |
2016-05-17 | 1605F44-011 | ND |
2016-09-12 | 1609794-002-PRI | ND |
2016-09-12 | 1609794-001-PRI | ND |
2016-09-13 | 1609A01-002-PRI | ND |
2016-09-13 | 1600A01-002-PRI | ND |
2016-09-13 | 1609A01-001-PRI | ND |
2016-09-14 | 1609B48-001-PRI | ND |
2016-09-14 | 1609B74-002-PRI | ND |
2016-09-14 | 1609B74-001-PRI | ND |
2016-09-14 | 1609B48-002-PRI | ND |
2016-09-15 | 1609C74-001-PRI | ND |
2016-09-16 | 1509B91-002-PRI | ND |
2016-09-16 | 1509B91-001 | ND |
2016-09-20 | 1609G74-003 | ND |
2016-09-20 | 1609G74-002-PRI | ND |
2016-09-21 | 1609H81-001-PRI | ND |
2016-09-21 | 1609H81-002-PRI | ND |
2016-09-21 | 1609H81-003-PRI | ND |
2017-09-06 | 7028975002-PRI | ND |
2017-09-06 | 7028975003 | ND |
2017-09-12 | 7029543002-PRI | ND |
2017-09-12 | 7029543001-PRI | ND |
2017-09-15 | 7030102001-PRI | ND |
2017-09-15 | 7030102002-PRI | ND |
2017-09-19 | 7030413001-PRI | ND |
2017-09-21 | 7030724001-PRI | ND |
2017-09-21 | 7030724002-PRI | ND |
2017-09-26 | 7031075003-PRI | ND |
2017-09-26 | 7031075001-PRI | ND |
2017-09-26 | 7031075002-PRI | ND |
2017-09-27 | 7031145001-PRI | ND |
2018-04-05 | 7047356001-PR | ND |
2018-04-05 | 7047356002-PRI | ND |
2018-09-06 | 7063917003-PRI | ND |
2018-09-06 | 7063904004-PRI | ND |
2018-09-06 | 7063917002-PRI | ND |
2018-09-06 | 7063904008-PRI | ND |
2018-09-06 | 7063917001-PRI | ND |
2018-09-06 | 7063904002-PRI | ND |
2018-09-10 | 7064147004-PRI | ND |
2018-09-10 | 7064183001-PRI | ND |
2018-09-10 | 7064147002-PRI | ND |
2018-09-10 | 7064183002-PRI | ND |
2018-09-12 | 7064540001 | ND |
2018-09-12 | 7064540005-PRI | ND |
2018-09-12 | 7064540002-PRI | ND |
2019-09-10 | 70104368002 PRI | ND |
2019-09-10 | 70104368003 PRI | ND |
2019-09-10 | 70104328001 PRI | ND |
2019-09-10 | 70104328002 PRI | ND |
2019-09-10 | 70104368001 PRI | ND |
2019-09-10 | 70104328003 PRI | ND |
2019-09-16 | 70105031001 PRI | ND |
2019-09-16 | 70105031002 PRI | ND |
2019-09-16 | 70105031003 PRI | ND |
2019-09-18 | 70105415002 PRI | ND |
2019-09-18 | 70105415001 PRI | ND |
2019-09-19 | 70105638001 PRI | ND |
2019-09-19 | 70105641001 PRI | ND |
2019-09-19 | 70105603001 PRI | ND |
2019-09-19 | 70105638002 PRI | 0.440 ppb |
2019-09-19 | 70105603002 PRI | ND |
2019-09-19 | 70105641002 PRI | ND |
2019-09-24 | 70106094001 PRI | ND |