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EWG's Tap Water Database — 2019 UPDATE

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Manganese

California Water Service (CWS) - Salinas

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.

 

108

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.0125 ppb142ND - 0.1000 ppb
20130.0729 ppb184ND - 0.500 ppb
20140.426 ppb2617ND - 5.15 ppb
20150.138 ppb146ND - 0.693 ppb
20161.40 ppb151ND - 21.0 ppb
20171.10 ppb211ND - 23.0 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
2012-02-095701-106-09320.1000 ppb
2012-02-149590-009-1250ND
2012-02-149590-106-1330ND
2012-03-079590-037-1402ND
2012-03-089590-041-1146ND
2012-04-189590-010-1148ND
2012-04-199590-008-1040ND
2012-05-175810-106-1003ND
2012-06-149590-006-1016ND
2012-07-249590-104-1438ND
2012-08-275701-106-1204ND
2012-09-209590-005-1139ND
2012-11-295701-106-1046ND
2012-12-205701-008-15540.0750 ppb
2013-01-179590-017-1350ND
2013-01-239590-024-1258ND
2013-01-249590-015-1045ND
2013-01-249590-022-1348ND
2013-01-249590-043-1448ND
2013-01-299590-018-1004ND
2013-03-129590-014-1335ND
2013-03-129590-023-1439ND
2013-03-185701-106-13050.500 ppb
2013-05-025701-106-10110.500 ppb
2013-05-099590-102-1314ND
2013-05-099590-103-1457ND
2013-06-139590-020-1135ND
2013-08-225701-106-0918ND
2013-09-115701-008-13510.112 ppb
2013-11-149590-123-1350ND
2013-11-195701-106-17150.200 ppb
2013-12-269590-131-1159ND
2014-01-159590-019-1331ND
2014-02-195810-106-1128ND
2014-04-229590-039-1112ND
2014-06-105701-104-13180.276 ppb
2014-06-165701-131-11400.170 ppb
2014-06-179590-026-1239ND
2014-07-095701-030-13400.0300 ppb
2014-08-085701-102-14270.0250 ppb
2014-08-085701-103-15130.0600 ppb
2014-08-139590-028-1355ND
2014-08-135701-028-14145.15 ppb
2014-08-145701-123-09240.281 ppb
2014-08-259590-030-1105ND
2014-08-269590-029-1025ND
2014-09-259590-027-0937ND
2014-09-259590-046-1343ND
2014-10-035701-030-10240.0170 ppb
2014-11-055701-006-10301.11 ppb
2014-11-125701-024-12100.125 ppb
2014-11-125701-037-11260.254 ppb
2014-11-125701-102-10170.0480 ppb
2014-11-125701-103-09390.104 ppb
2014-11-125701-123-14020.644 ppb
2014-12-225701-014-13431.03 ppb
2014-12-225701-017-10221.69 ppb
2014-12-225701-046-14060.0590 ppb
2015-01-225701-023-11190.0770 ppb
2015-01-225701-043-13580.693 ppb
2015-02-189590-009-1400ND
2015-02-185701-106-13110.274 ppb
2015-02-189590-106-1315ND
2015-03-119590-037-1110ND
2015-03-119590-041-1030ND
2015-03-115701-131-11550.218 ppb
2015-04-219590-008-1453ND
2015-06-039590-006-1010ND
2015-06-165701-104-14130.564 ppb
2015-07-229590-005-1536ND
2015-07-225701-023-10280.102 ppb
2015-10-205701-023-1121ND
2016-01-269590-020-1326ND
2016-01-279590-018-1020ND
2016-02-039590-022-1410ND
2016-02-109590-103-1330ND
2016-02-169590-103-1433ND
2016-02-229590-024-1515ND
2016-03-039590-015-1433ND
2016-05-035701-026-1249ND
2016-05-049590-017-1429ND
2016-05-129590-102-1427ND
2016-06-285701-023-1349ND
2016-06-289590-023-1358ND
2016-12-289590-027-1513ND
2016-12-289590-123-1442ND
2016-12-299590-008-141521.0 ppb
2017-01-109590-019-1355ND
2017-01-105701-023-1319ND
2017-02-085701-026-1421ND
2017-02-279590-027-1516ND
2017-03-029590-132-105023.0 ppb
2017-03-165701-008-1017ND
2017-06-275701-029-1025ND
2017-07-115701-008-1510ND
2017-08-159590-026-1426ND
2017-08-239590-029-1413ND
2017-09-199590-046-1423ND
2017-10-035701-008-1204ND
2017-10-175701-023-1152ND
2017-10-179590-030-1331ND
2017-11-209590-008-1341ND
2017-11-209590-014-1416ND
2017-11-219590-104-1352ND
2017-11-219590-131-1252ND
2017-11-289590-043-1424ND
2017-11-299590-030-1455ND
2017-12-215701-132-0927ND