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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Coast Springs - Cal. Water Service (puc)

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

 

130

Samples

0

Samples exceeding legal limit (MCL)

23

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201459.6 ppb2217ND - 450.0 ppb
2015105.9 ppb2113ND - 700.0 ppb
2016259.5 ppb238ND - 5,100.0 ppb
2017229.9 ppb207ND - 1,300.0 ppb
201898.7 ppb2310ND - 720.0 ppb
201962.4 ppb2113ND - 440.0 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
2014-01-215701-001-13540.1000 ppb
2014-02-185810-001-1352ND
2014-04-155810-001-1200ND
2014-04-155810-008-1304450.0 ppb
2014-05-125701-001-14010.389 ppb
2014-06-095810-002-141171.0 ppb
2014-06-095810-003-140032.0 ppb
2014-06-095810-004-1338290.0 ppb
2014-06-095810-005-131824.0 ppb
2014-06-095810-008-1202290.0 ppb
2014-06-175810-001-1326ND
2014-06-175810-001-1330ND
2014-07-155701-001-14030.415 ppb
2014-07-155810-006-123684.0 ppb
2014-07-155810-007-132668.0 ppb
2014-07-155810-010-1142ND
2014-08-125701-001-12260.0460 ppb
2014-09-235701-001-13510.172 ppb
2014-10-215701-001-14010.155 ppb
2014-11-185701-001-13340.103 ppb
2014-11-185701-001-13350.108 ppb
2014-12-095701-001-13390.0820 ppb
2015-01-225701-001-10382.32 ppb
2015-02-175701-001-12470.253 ppb
2015-03-175701-001-10050.399 ppb
2015-04-145701-001-11010.400 ppb
2015-05-195701-001-09260.443 ppb
2015-06-045810-001-1232ND
2015-06-045810-002-1336540.0 ppb
2015-06-045810-003-1247160.0 ppb
2015-06-045810-004-1305520.0 ppb
2015-06-045810-005-1413ND
2015-06-045810-008-1350700.0 ppb
2015-06-165701-001-09160.540 ppb
2015-07-155810-006-1318170.0 ppb
2015-07-155810-007-1224130.0 ppb
2015-07-155810-010-1429ND
2015-07-165701-001-13290.00700 ppb
2015-08-105701-001-1302ND
2015-09-225701-001-0830ND
2015-10-205701-001-0902ND
2015-11-175701-001-1032ND
2015-12-155701-001-0920ND
2016-01-125701-001-1247ND
2016-02-095701-001-1155ND
2016-03-225701-001-0900ND
2016-04-265701-001-0930ND
2016-05-129534-014-0940ND
2016-05-175701-001-0831ND
2016-06-165810-001-1150ND
2016-06-165701-001-1155ND
2016-06-165810-005-123021.0 ppb
2016-07-185810-002-12455,100.0 ppb
2016-07-185810-003-114550.0 ppb
2016-07-185810-004-121555.0 ppb
2016-07-185810-006-1015160.0 ppb
2016-07-185810-007-1115290.0 ppb
2016-07-185810-008-1045270.0 ppb
2016-07-185810-010-0945ND
2016-07-195701-001-0917ND
2016-08-105701-001-1135ND
2016-09-275701-001-0847ND
2016-10-185701-001-1250ND
2016-10-185701-001-1256ND
2016-11-155701-001-1257ND
2016-12-135701-001-115222.3 ppb
2017-01-245701-001-1002ND
2017-02-145701-001-1157ND
2017-03-285701-001-1044ND
2017-06-155701-001-1120ND
2017-06-155810-001-1135ND
2017-06-155810-005-124837.0 ppb
2017-07-185701-001-1240ND
2017-07-185701-001-1241ND
2017-08-245701-001-1145ND
2017-09-115810-003-1130700.0 ppb
2017-09-125810-004-1145130.0 ppb
2017-09-125810-008-1215690.0 ppb
2017-09-125810-010-1050ND
2017-09-255701-001-1210ND
2017-09-265810-002-09401,300.0 ppb
2017-09-265810-006-10451,100.0 ppb
2017-09-265810-007-1020640.0 ppb
2017-10-165701-001-1145ND
2017-11-145810-001-1115ND
2017-12-205701-001-1115ND
2018-01-155701-001-1100ND
2018-02-075701-001-1215ND
2018-03-115810-001-1220ND
2018-04-115810-001-1250ND
2018-04-125701-001-1245ND
2018-04-125701-002-114526.7 ppb
2018-05-065701-001-1330ND
2018-06-125701-001-1345ND
2018-06-265810-001-1230ND
2018-07-135701-001-1335ND
2018-07-165810-006-1125600.0 ppb
2018-07-165810-007-1155520.0 ppb
2018-07-165810-008-1220720.0 ppb
2018-07-235810-003-115051.0 ppb
2018-07-235810-004-121081.0 ppb
2018-07-265810-005-114087.0 ppb
2018-08-065810-002-104565.0 ppb
2018-08-065810-010-1105ND
2018-08-135810-001-113068.0 ppb
2018-09-115701-001-113051.1 ppb
2018-10-145701-001-1015ND
2018-11-075810-001-1205ND
2018-12-175810-001-1225ND
2019-01-155810-001-1210ND
2019-02-195810-001-1245ND
2019-03-185810-001-1250ND
2019-04-085806-001-1150ND
2019-05-125810-001-1210ND
2019-06-125810-001-1230ND
2019-06-125810-001-1245ND
2019-06-175810-002-104537.0 ppb
2019-06-175810-003-110089.0 ppb
2019-07-085810-005-134035.0 ppb
2019-07-145810-001-1505ND
2019-08-015810-010-104026.0 ppb
2019-08-255810-001-1010100.0 ppb
2019-09-145810-001-113085.0 ppb
2019-10-065810-001-100080.0 ppb
2019-10-075810-004-110578.0 ppb
2019-10-075810-006-1035440.0 ppb
2019-10-075810-007-100090.0 ppb
2019-10-075810-008-102080.0 ppb
2019-11-185810-001-111575.0 ppb
2019-12-115810-001-123595.0 ppb