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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Elsinore Valley Municipal Water District

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

 

115

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND70ND
20153.90 ppb101ND - 39.0 ppb
2016121.9 ppb173ND - 2,000.0 ppb
2017ND30ND
2018ND120ND
201912.1 ppb4811ND - 87.0 ppb

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
2014-08-054790-004-1115ND
2014-08-074790-052-1315ND
2014-08-154790-021-0810ND
2014-08-154790-040-0825ND
2014-08-264790-010-1359ND
2014-08-264790-022-1425ND
2014-09-294790-002-0835ND
2015-05-074790-038-1350ND
2015-08-174790-007-1020ND
2015-08-174790-022-1100ND
2015-08-174790-037-1040ND
2015-08-204790-010-114039.0 ppb
2015-08-204790-012-1210ND
2015-08-204790-031-1235ND
2015-08-244790-004-1105ND
2015-08-244790-040-1050ND
2015-12-104790-040-1300ND
2016-02-034790-049-12052,000.0 ppb
2016-02-034790-049-1310ND
2016-02-034790-049-1315ND
2016-02-034790-050-1130ND
2016-05-094790-002-1600ND
2016-05-094790-052-1600ND
2016-05-264790-052-1030ND
2016-08-114790-010-111042.0 ppb
2016-08-114790-037-1220ND
2016-08-174790-012-124031.0 ppb
2016-08-174790-022-1320ND
2016-08-174790-031-1150ND
2016-08-174790-040-1230ND
2016-08-254790-004-1505ND
2016-08-254790-007-1040ND
2016-08-254790-053-0910ND
2016-11-174790-038-1500ND
2017-04-129590-052-1345ND
2017-04-289590-002-1310ND
2017-09-289590-038-1430ND
2018-05-014790-038-1420ND
2018-06-074790-002-1128ND
2018-07-114790-022-1502ND
2018-07-184790-021-1055ND
2018-07-264790-049-1328ND
2018-07-264790-050-1348ND
2018-08-314790-049-1056ND
2018-08-314790-050-1035ND
2018-12-034790-040-1410ND
2018-12-064790-049-1409ND
2018-12-064790-050-1640ND
2018-12-124790-004-1410ND
2019-01-074790-040-1245ND
2019-01-114790-049-1042ND
2019-01-114790-050-1030ND
2019-01-244790-053-090033.0 ppb
2019-01-254790-053-0818ND
2019-01-314790-053-1310ND
2019-01-314790-053-1342ND
2019-02-014790-053-1154ND
2019-02-124790-012-113055.0 ppb
2019-02-124790-012-120059.0 ppb
2019-02-144790-004-1320ND
2019-02-144790-007-1338ND
2019-02-144790-031-1250ND
2019-02-224790-012-152542.0 ppb
2019-02-274790-012-133945.0 ppb
2019-03-044790-012-102842.0 ppb
2019-03-064790-031-1408ND
2019-03-064790-041-134223.0 ppb
2019-03-074790-049-1159ND
2019-03-074790-050-1151ND
2019-03-114790-040-1031ND
2019-03-274790-038-1008ND
2019-04-034790-002-1047ND
2019-05-154790-002-1109ND
2019-05-224790-049-0918ND
2019-05-224790-050-0905ND
2019-06-074790-052-1045ND
2019-06-114790-053-1110ND
2019-06-134790-012-093831.0 ppb
2019-06-184790-037-1128ND
2019-06-204790-031-1112ND
2019-06-254790-021-1245ND
2019-06-254790-022-1148ND
2019-06-254790-049-1200ND
2019-06-254790-050-1230ND
2019-08-194790-002-1345ND
2019-09-054790-007-1110ND
2019-09-114790-002-1005ND
2019-09-124790-038-1250ND
2019-10-024790-002-102278.0 ppb
2019-10-104790-002-0930ND
2019-10-174790-002-1024ND
2019-10-234790-002-1044ND
2019-11-064790-002-1002ND
2019-11-124790-004-1255ND
2019-11-134790-002-1135ND
2019-12-174790-010-130687.0 ppb
2019-12-184790-010-130687.0 ppb
2020-01-272020011604791.20 ppb
2020-01-2820200128089683.0 ppb
2020-01-282020012808950.520 ppb
2020-01-2920200129046041.0 ppb
2020-01-292020012904590.620 ppb
2020-01-292020012904584.20 ppb
2020-04-082020040903932.50 ppb
2020-04-202020042003723.00 ppb
2020-05-062020050706420.550 ppb
2020-05-21202001160477ND
2020-07-0120200702072321.0 ppb
2020-07-01202007020724ND
2020-07-0120200702073213.0 ppb
2020-07-01202007020731ND
2020-07-082020070905496.00 ppb
2020-07-082020070905482.30 ppb
2020-07-162020071700860.810 ppb
2020-09-032020090306770.890 ppb