Know Your Environment. Protect Your Health.

Selenium

Lido-point Lookout Water District

Selenium is an essential element in diets. But too much selenium can decrease thyroid hormone production and cause hair loss, skin lesions and brittle fingernails.

 

201

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND390ND
2019ND310ND
2020ND450ND
2021ND370ND
2022ND270ND
2023ND220ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 30 ppb

The EWG Health Guideline of 30 ppb for selenium 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 hair loss and nail damage.

EPA Maximum Contaminant
Level (MCL): 50 ppb

The legal limit for selenium, established in 1991, was based on human epidemiological studies of populations exposed to naturally occurring selenium in drinking water. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-107040032002-PRIND
2018-01-107040032003-PRIND
2018-01-107040032001-PRIND
2018-02-067042133002-PRIND
2018-02-067042133001-PRIND
2018-02-067042133003-PRIND
2018-03-077044701003-PRIND
2018-03-077044701001-PRIND
2018-03-077044701002-PRIND
2018-04-107047837003-PRIND
2018-04-107047837002-PRIND
2018-04-107047837001-PRIND
2018-05-087050980001-PRIND
2018-05-087050980003-PRIND
2018-05-087050980002-PRIND
2018-06-147054970002-PRIND
2018-06-147054970003-PRIND
2018-06-147054970001-PRIND
2018-07-057057124001ND
2018-07-107057677001-PRIND
2018-07-107057677002-PRIND
2018-07-107057677003-PRIND
2018-07-207058917001ND
2018-07-247059241001-PRIND
2018-08-057060832003-PRIND
2018-08-087060832002-PRIND
2018-08-087060832001-PRIND
2018-09-137064721001ND
2018-09-137064721002ND
2018-09-137064721003ND
2018-10-097067334003-PRIND
2018-10-097067334002-PRIND
2018-10-097067334001-PRIND
2018-11-017069717002ND
2018-11-017069717003ND
2018-11-017069717001ND
2018-12-037072628005ND
2018-12-037072628004-PRIND
2018-12-037072628006-PRIND
2019-01-037075453003-PRIND
2019-01-037075453001-PRIND
2019-01-037075453002-PRIND
2019-02-057078359002-PRIND
2019-02-057078359003-PRIND
2019-02-057078359001-PRIND
2019-03-147082345003-PRIND
2019-03-147082345001-PRIND
2019-03-147082345002-PRIND
2019-04-047084642002-PRIND
2019-04-047084642003-PRIND
2019-04-047084642001-PRIND
2019-05-027087916002-PRIND
2019-05-027087916001-PRIND
2019-05-027087916003-PRIND
2019-06-067092442002ND
2019-06-067092442001ND
2019-06-067092442003ND
2019-07-067096826003-PRIND
2019-07-067096826002-PRIND
2019-07-097096826001-PRIND
2019-08-017099784001-PRIND
2019-08-1370101005001-PRIND
2019-08-13701005003ND
2019-08-1370101005002ND
2019-09-1070104356002-PRIND
2019-09-1070104356001ND
2019-09-1070104356003-PRIND
2019-10-0970107898003-PRIND
2019-10-0970107898002-PRIND
2019-10-0970107898001-PRIND
2020-01-1470118229003-PRIND
2020-01-1470118229001-PRIND
2020-01-1470118229002-PRIND
2020-02-0570120620001-PRIND
2020-02-0570120620002-PRIND
2020-02-0570120620003-PRIND
2020-03-0470123875003-PRIND
2020-03-0470123875001-PRIND
2020-03-0470123875002-PRIND
2020-04-0270126829001-PRIND
2020-04-0270126829002-PRIND
2020-04-0270126829003-PRIND
2020-05-0570130002002-PRIND
2020-05-0570130002001-PRIND
2020-05-0570130002003-PRIND
2020-06-0470133344001-PRIND
2020-06-0470133344002ND
2020-06-0470133344003ND
2020-06-2970136292001-PRIND
2020-06-2970136292002-PRIND
2020-06-2970136292003-PRIND
2020-07-0270139123002-PRIND
2020-07-1570138292001-PRIND
2020-07-1570138292002-PRIND
2020-07-1570138292003-PRIND
2020-07-2270139123001ND
2020-08-1470141995002-PRIND
2020-08-1470141995001ND
2020-09-3070147753002 PRIND
2020-09-3070147753003 PRIND
2020-10-0870148839002-PRIND
2020-10-0870148839004-PRIND
2020-10-0870148839001-PRIND
2020-10-0870148839003-PRIND
2020-10-0870148839005-PRIND
2020-11-1270153204001-PRIND
2020-11-1270153204002-PRIND
2020-11-1270153204003-PRIND
2020-11-1970154127002-PRIND
2020-11-1970154127001ND
2020-12-0370155408003-PRIND
2020-12-0370155408002-PRIND
2020-12-0370155408001-PRIND
2020-12-1570156696001-PRIND
2020-12-1570156696002-PRIND
2021-01-0670158510001-PRIND
2021-01-0670158510003-PRIND
2021-01-0670158510002-PRIND
2021-03-0470164711003-PRIND
2021-03-0470164711002-PRIND
2021-03-0470164711001-PRIND
2021-04-0870168399003-PRIND
2021-04-0870168399001-PRIND
2021-04-0870168399002-PRIND
2021-05-0570171749001-PRIND
2021-05-0570171749002-PRIND
2021-05-0570171749003-PRIND
2021-05-2570174340007-PRIND
2021-06-0370175492001-PRIND
2021-06-0370175492003-PRIND
2021-06-0370175544005-PRIND
2021-06-0370175492002-PRIND
2021-07-1570181428002-PRIND
2021-07-1570181428001-PRIND
2021-07-1570180616002-PRIND
2021-07-1570180616003-PRIND
2021-07-1570180616001-PRIND
2021-08-0570183115001-PRIND
2021-08-0570183115002-PRIND
2021-08-0570183117003-PRIND
2021-08-0570183117002-PRIND
2021-08-0570183117001-PRIND
2021-10-0770190196002ND
2021-10-0770190196001ND
2021-10-0770190196005ND
2021-10-0770190196003-PRIND
2021-10-0770190196004ND
2021-11-0470193563004-PRIND
2021-11-0470193563005-PRIND
2021-11-0470193563002-PRIND
2021-11-0470193563001-PRIND
2021-11-0470193563003-PRIND
2022-01-0670200066002-PRIND
2022-01-0670200066005-PRIND
2022-01-0670200066001-PRIND
2022-01-0670200066003-PRIND
2022-01-0670200066004-PRIND
2022-02-0170202576002-PRIND
2022-02-0170202576004-PRIND
2022-02-0170202576003-PRIND
2022-02-0170202576001-PRIND
2022-02-0170202576005-PRIND
2022-05-1170214332002-PRIND
2022-05-1170214332001-PRIND
2022-07-0770221282003ND
2022-07-2170223042001ND
2022-07-2170223042002ND
2022-08-0470224569004ND
2022-08-0470224569002-PRIND
2022-08-0470224569001-PRIND
2022-08-0470224569003ND
2022-08-0470224569005ND
2022-10-0670232553002-PRIND
2022-10-0670232553001-PRIND
2022-10-0670232553004-PRIND
2022-10-0670232553003-PRIND
2022-10-0670232553005-PRIND
2022-11-0370235574002-PRIND
2022-11-0370235574001-PRIND
2023-01-0570242216001-PRIND
2023-01-0570242216003-PRIND
2023-01-0570242216002-PRIND
2023-01-0570242216004-PRIND
2023-01-0570242216005-PRIND
2023-04-0570251709005-PRIND
2023-04-0570251709002-PRIND
2023-04-0570251709004-PRIND
2023-04-0570251709003-PRIND
2023-04-0570251709001-PRIND
2023-05-0370255053001-PRIND
2023-05-0370255053004-PRIND
2023-05-0370255053002-PRIND
2023-05-0370255053003-PRIND
2023-05-0370255053005-PRIND
2023-07-0570261986003-PRIND
2023-07-0570261986002-PRIND
2023-07-0570261986001-PRIND
2023-08-0270265505002-PRIND
2023-08-0270265505001-PRIND
2023-08-0270265505003-PRIND
2023-10-2670275553001-PRIND