Manganese

Bethpage WD

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	N/A	0	0	N/A
2014	ND	11	0	ND
2015	ND	14	0	ND
2016	1.07 ppb	14	1	ND - 15.0 ppb
2017	2.36 ppb	14	2	ND - 19.0 ppb
2018	3.26 ppb	25	13	ND - 30.0 ppb
2019	ND	13	0	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-05-08	1405553-002-SEC	ND
2014-05-08	1405553-003-SEC	ND
2014-05-08	1405553-001-SEC	ND
2014-05-09	1405686-001-SEC	ND
2014-05-09	1405686-005-SEC	ND
2014-05-09	1405686-004-SEC	ND
2014-05-09	1405686-003-SEC	ND
2014-05-09	1405686-002-SEC	ND
2014-05-09	1405686-006-SEC	ND
2014-05-13	1405877-001-SEC	ND
2014-05-13	1405879-001-SEC	ND
2015-03-23	1503F54-001 SEC	ND
2015-05-12	1505792-001 SEC	ND
2015-05-12	1505847-001 SEC	ND
2015-05-12	1505792-007 SEC	ND
2015-05-12	1505847-002 SEC	ND
2015-05-12	1505792-005 SEC	ND
2015-05-12	1505792-006 SEC	ND
2015-05-12	1505792-008 SEC	ND
2015-05-12	1505847-003 SEC	ND
2015-05-12	1505792-003 SEC	ND
2015-05-12	1505792-004 SEC	ND
2015-05-12	1505792-002 SEC	ND
2015-09-24	1509J66-002 SEC	ND
2015-09-24	1509J66-001 SEC	ND
2016-04-19	1604H82-001 SEC	ND
2016-06-07	1606552-011 SEC	ND
2016-06-07	1606552-012 SEC	ND
2016-06-07	1606552-002 SEC	ND
2016-06-07	1606552-003 SEC	15.0 ppb
2016-06-07	1606552-006	ND
2016-06-07	1606552-004 SEC	ND
2016-06-07	1606552-010 SEC	ND
2016-06-07	1606552-007 SEC	ND
2016-06-07	1606552-001 SEC	ND
2016-06-07	1606552-009 SEC	ND
2016-06-07	1606552-005 SEC	ND
2016-06-07	1606552-008 SEC	ND
2016-06-07	1606552-013 SEC	ND
2017-04-11	7015498001-SEC	ND
2017-04-28	7017197006-SEC	ND
2017-04-28	7017197009-SEC	ND
2017-04-28	7017197013-SEC	ND
2017-04-28	7017197011-SEC	ND
2017-04-28	7017197004-SEC	ND
2017-04-28	7017197008-SEC	19.0 ppb
2017-04-28	7017197007-SEC	ND
2017-04-28	7017197002-SEC	ND
2017-04-28	7017197005-SEC	ND
2017-04-28	7017197003-SEC	14.0 ppb
2017-04-28	7017197012-SEC	ND
2017-04-28	7017197001-SEC	ND
2017-04-28	7017197010-SEC	ND
2018-01-22	7040985012SEA1	3.60 ppb
2018-01-22	7040985013SEA1	8.70 ppb
2018-01-22	7040985014SEA1	8.00 ppb
2018-01-22	7040985015SEA1	0.490 ppb
2018-01-22	7040985016SEA1	3.90 ppb
2018-02-23	7043795001-SEC	ND
2018-02-23	7043795003-SEC	30.0 ppb
2018-02-23	7043795002-SEC	ND
2018-05-02	7050193001SEA1	1.000 ppb
2018-05-07	7050706010-SEC	ND
2018-05-07	7050706001-SEC	ND
2018-05-07	7050706006-SEC	ND
2018-05-07	7050706002-SEC	ND
2018-05-07	7050706011-SEC	ND
2018-05-07	7050706008-SEC	ND
2018-05-07	7050706007-SEC	ND
2018-05-07	7050706009-SEC	ND
2018-05-07	7050706003-SEC	10.00 ppb
2018-05-07	7050706004-SEC	ND
2018-05-07	7050706005-SEC	ND
2018-07-05	7057138004SEA2	0.540 ppb
2018-07-05	7057138003SEA2	0.410 ppb
2018-07-05	7057138001SEA2	1.80 ppb
2018-07-05	7057138002SEA2	10.6 ppb
2018-11-02	7069891001SEA2	2.50 ppb
2019-06-10	7092852001-SEC	ND
2019-06-10	7092852008-SEC	ND
2019-06-10	7092852002-SEC	ND
2019-06-10	7092852006-SEC	ND
2019-06-10	7092852011-SEC	ND
2019-06-10	7092852009-SEC	ND
2019-06-10	7092852012-SEC	ND
2019-06-10	7092852003-SEC	ND
2019-06-10	7092852007-SEC	ND
2019-06-10	7092852013-SEC	ND
2019-06-10	7092852005-SEC	ND
2019-06-10	7092852004-SEC	ND
2019-06-10	7092852010-SEC	ND