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EWG's Tap Water Database — 2021 UPDATE

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Thallium

New York American Water - Lynbrook

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

 

296

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND350ND
2015ND330ND
20160.0132 ppb572ND - 0.440 ppb
20170.0392 ppb511ND - 2.00 ppb
2018ND600ND
20190.0148 ppb601ND - 0.890 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
2014-01-2724474301-PRIND
2014-01-2724476201-PRIND
2014-01-2724476501-PRIND
2014-01-2724475601-PRIND
2014-02-1924785001-PRIND
2014-02-194785601-PRIND
2014-02-1924783901-PRIND
2014-03-1925025901-PRIND
2014-03-1925024401-PRIND
2014-04-1425192101-PRIND
2014-04-1425193001-PRIND
2014-04-1425193501-PRIND
2014-04-1425193801-PRIND
2014-05-0825666701-PRIND
2014-05-1325667401-PRIND
2014-05-1425667901-PRIND
2014-06-1125932701-PRIND
2014-06-1125932401-PRIND
2014-06-131406A17-001-PRIND
2014-07-1426308201-PRIND
2014-07-2126310201-PRIND
2014-07-2126309901-PRIND
2014-07-2126309401-PRIND
2014-07-2325668201-PRIND
2014-08-2526729001-PRIND
2014-08-2526730001-PRIND
2014-08-2526730501-PRIND
2014-09-0326730801-PRIND
2014-09-1026897201-PRIND
2014-09-1026896201-PRIND
2014-09-1726898001-PRIND
2014-09-1726897701-PRIND
2014-10-1627256201-PRIND
2014-11-04275437-PRIND
2014-11-0427544201-PRIND
2015-01-2128012501-PRIND
2015-01-2128011901-PRIND
2015-01-2928013301-PRIND
2015-01-2928012901-POCSND
2015-02-1228170501-PRIND
2015-02-1228170801-PRIND
2015-02-2428171101-PRIND
2015-02-2428171401-PRIND
2015-03-1828369301-PRIND
2015-03-1828370101-PRIND
2015-03-2628370501-PRIND
2015-03-26283703ND
2015-04-23281278 PRIND
2015-04-23287137 PRIND
2015-04-2828714101-PRIND
2015-04-2828712901-PRIND
2015-06-18289022 PRIND
2015-06-18289017 PRIND
2015-06-18289012 PRIND
2015-06-23291727 PRIND
2015-06-25291737ND
2015-06-25291735ND
2015-07-211507F36-001 PRIND
2015-07-27296107 PRIND
2015-07-27296101 PRIND
2015-07-29296111 PRIND
2015-07-29296115 PRIND
2015-07-29289025 PRIND
2015-08-131508A78-001 PRIND
2015-08-1929935801ND
2015-08-1929936101 PRIND
2015-11-09306823ND
2015-12-16306826 PRIND
2016-01-2131140501 PRIND
2016-01-2131140901ND
2016-02-2331315801 PRIND
2016-02-2331316101 PRIND
2016-02-2331315401ND
2016-02-2331316401 PRIND
2016-02-261602J56-002 PRIND
2016-02-261602J56-001 PRIND
2016-03-3031554101 PRIND
2016-03-3031555301ND
2016-03-3131555901 PRIND
2016-03-3131555601 PRIND
2016-04-201604J67-001 PRIND
2016-04-211604K35-001 PRIND
2016-04-2831786401 PRIND
2016-04-2831785801 PRIND
2016-05-111605A93-001ND
2016-05-111605A93-002ND
2016-05-111605A93-003ND
2016-05-111605A93-004ND
2016-05-171605F60-001 PRIND
2016-05-181605G73-001 PRIND
2016-05-201605J03-004ND
2016-05-201605J18-002 PRIND
2016-05-201605J14-004ND
2016-05-201605J08-002 PRIND
2016-05-3132044801 PRIND
2016-05-3132044301 PRIND
2016-06-141606D39-001 PRIND
2016-06-1532436301 PRIND
2016-06-1532436601 PRIND
2016-06-2232044501 PRIND
2016-06-281606R55-001 PRIND
2016-06-291606S97-001 PRIND
2016-07-2132783201ND
2016-07-2132783801 PRIND
2016-07-2132784401 PRIND
2016-08-311608T21-004 PRIND
2016-08-311608T21-001 PRIND
2016-08-3132784801 PRIND
2016-08-31330450 PRIND
2016-08-311608T21-002ND
2016-08-311608T21-003 PRIND
2016-08-3133044301 PRIND
2016-08-3133045301ND
2016-09-2633045601 PRIND
2016-09-2633323301 PRIND
2016-09-2633323001ND
2016-09-2633322701 PRIND
2016-09-2633321501 PRIND
2016-10-11701713001 PRIND
2016-10-11701713002 PRIND
2016-11-1433592501 PRIND
2016-11-1433593101 PRIND
2016-11-29705607005 PRI0.440 ppb
2016-11-29705607004 PRIND
2016-11-29705607006 PRI0.310 ppb
2017-01-10709117002ND
2017-01-3134388301-PRIND
2017-01-3134387701-PRIND
2017-02-0234388901-PRIND
2017-02-027010466001-PRIND
2017-02-0234389301-PRIND
2017-03-3034959601-PRIND
2017-03-3034960201-PRIND
2017-03-3034959001-PRIND
2017-03-3034959901-PRIND
2017-04-077015287001-PRIND
2017-04-1135263801-PRIND
2017-04-1135264501-PRIND
2017-04-127015680006-PRI2.00 ppb
2017-04-267017021001-PRIND
2017-05-167018812002-PRIND
2017-05-167018812001-PRIND
2017-05-307019868001-PRIND
2017-05-307019868003-PRIND
2017-06-097020949001-PRIND
2017-06-097020949002-PRIND
2017-06-1335952501-PRIND
2017-06-1335951901-PRIND
2017-07-3136394401-PRIND
2017-07-3136393201-PRIND
2017-07-3136394001-PRIND
2017-07-3136393601-PRIND
2017-08-177027563002-PRIND
2017-08-2436785901-PRIND
2017-08-2436785601-PRIND
2017-08-2436786201-PRIND
2017-08-2436785201-PRIND
2017-08-257028320001-PRIND
2017-08-297028495001-PRIND
2017-09-087029384001-PRIND
2017-09-1437096301-PRIND
2017-09-1437096001-PRIND
2017-09-1437096601-PRIND
2017-09-1437095401-PRIND
2017-09-2035265101-PRIND
2017-09-2035265501-PRIND
2017-09-267031074001-PRIND
2017-12-0738000001-PRIND
2017-12-0737999101-PRIND
2017-12-1137749901-PRIND
2017-12-1137750701-PRIND
2017-12-1137751301-PRIND
2017-12-1137751001-PRIND
2017-12-227038997003-PRIND
2017-12-287039309005-PRIND
2017-12-297039358002-PRIND
2018-01-167040538002-PRIND
2018-01-3038291401-PRIND
2018-01-3038292601-PRIND
2018-01-3038293001-PRIND
2018-01-3038292001-PRIND
2018-02-067042142001-PRIND
2018-02-1538678301-PRIND
2018-02-1538677701-PRIND
2018-02-2838678901-PRIND
2018-02-2838678601-PRIND
2018-03-027044372001-PRIND
2018-03-0838910201-PRIND
2018-03-087044798001-PRIND
2018-03-0838909401-PRIND
2018-03-087044798002-PRIND
2018-03-1538910501-PRIND
2018-03-1538910801-PRIND
2018-03-237046103001-PRIND
2018-04-097047721001-PRIND
2018-04-127048244001-PRIND
2018-04-127048244002-PRIND
2018-04-127048247001-PRIND
2018-04-127048247002-PRIND
2018-04-207049182001-PRIND
2018-04-237049264003-PRIND
2018-04-237049264004-PRIND
2018-04-267049697002-PRIND
2018-04-267049697001-PRIND
2018-04-277049841003-PRIND
2018-04-277049841005-PRIND
2018-04-277049841006-PRIND
2018-05-177052007001-PRIND
2018-05-177052007002-PRIND
2018-05-187052192001-PRIND
2018-05-187052192005-PRIND
2018-05-237052609001-PRIND
2018-05-237052609002-PRIND
2018-06-207055601001-PRIND
2018-06-207055601002-PRIND
2018-07-1940328101-PRIND
2018-07-1940329701-PRIND
2018-07-1940328901-PRIND
2018-07-3139946301-PRIND
2018-07-3140330501-PRIND
2018-07-3139946701-PRIND
2018-08-207062104002-PRIND
2018-08-2040695201-PRIND
2018-08-2040695601-PRIND
2018-08-2040695401-PRIND
2018-09-067063916001ND
2018-09-217065602001-PRND
2018-09-217065602002-PRIND
2018-10-1141552601-PRIND
2018-10-1141552101-PRIND
2018-10-1141164801-PRIND
2018-10-2942042901-PRIND
2018-10-2942042701-PRIND
2018-10-3142043101-PRIND
2018-12-0342043301-PRIND
2018-12-2042304301-PRIND
2019-02-2142954801-PRIND
2019-02-2142954901-PRIND
2019-02-2142955101-PRIND
2019-02-2142955001-PRIND
2019-03-0643350701-PRIND
2019-03-0643350601-PRIND
2019-03-0643350901-PRIND
2019-03-0643350801-PRIND
2019-03-1242603001-PRIND
2019-03-1242603601-PRIND
2019-03-1242601801-PRIND
2019-03-1242602401-PRIND
2019-03-2542304901-PRIND
2019-03-2542304701-PRIND
2019-03-2542304501-PRIND
2019-03-277083592001-PRI0.890 ppb
2019-03-277083592002-PRIND
2019-04-017084047001-PRIND
2019-04-017084047002-PRIND
2019-04-127085688001-PRIND
2019-04-177086203002-PRIND
2019-04-177086197002-PRIND
2019-04-177086232002-PRIND
2019-04-247087084002-PRIND
2019-04-2943355701ND
2019-04-2943355801ND
2019-04-2943355501-PRIND
2019-04-2943355601ND
2019-05-017087810002-PRIND
2019-05-017087810001-PRIND
2019-05-017087810003-PRIND
2019-05-207090154001-PRIND
2019-05-207090154002-PRIND
2019-06-047091936002-PRIND
2019-06-057092201001-PRIND
2019-06-057092201002-PRIND
2019-06-1143362301ND
2019-06-1343358701ND
2019-06-1343358401-PRIND
2019-07-1143366701-PRIND
2019-07-1143366801-PRIND
2019-07-1143367001-PRIND
2019-07-1143366901-PRIND
2019-08-0970100741002-PRIND
2019-08-0970100741001-PRIND
2019-09-1946310201-PRIND
2019-09-2346310101-PRIND
2019-09-2346310301-PRIND
2019-10-0346310001-PRIND
2019-10-0470107403001-PRIND
2019-10-0746963201-PRIND
2019-10-3146963101-PRIND
2019-11-1346963001-PRIND
2019-11-13469633001-PRIND
2019-11-1847292501-PRIND
2019-12-0947292401-PRIND
2019-12-1647292601-PRIND
2019-12-1647292301-PRIND
2019-12-1847625501-PRIND
2019-12-1947625401-PRIND