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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Sierra Cedars Community Services 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

 

203

Samples

0

Samples exceeding legal limit (MCL)

32

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201440.0 ppb2119ND - 60.0 ppb
201531.9 ppb2719ND - 130.0 ppb
201633.6 ppb6231ND - 150.0 ppb
201763.9 ppb4329ND - 630.0 ppb
201844.2 ppb2415ND - 150.0 ppb
201937.5 ppb2616ND - 140.0 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
2014-01-175810-009-100048.0 ppb
2014-01-295810-008-103049.0 ppb
2014-02-075810-008-113056.0 ppb
2014-02-075810-009-120044.0 ppb
2014-03-075810-008-114558.0 ppb
2014-03-075810-009-114543.0 ppb
2014-04-045810-008-103060.0 ppb
2014-04-045810-009-103035.0 ppb
2014-05-165810-008-094555.0 ppb
2014-05-165810-009-0945ND
2014-06-205810-008-084549.0 ppb
2014-06-205810-009-0845ND
2014-07-105810-009-151024.0 ppb
2014-08-065810-009-140026.0 ppb
2014-09-025810-009-131027.0 ppb
2014-10-165810-008-120551.0 ppb
2014-10-165810-009-123037.0 ppb
2014-11-145810-008-112052.0 ppb
2014-11-145810-009-112037.0 ppb
2014-12-195810-008-091551.0 ppb
2014-12-195810-009-091537.0 ppb
2015-01-215810-008-101542.0 ppb
2015-01-215810-009-101530.0 ppb
2015-02-065810-008-133044.0 ppb
2015-02-065810-009-133032.0 ppb
2015-03-135810-008-120047.0 ppb
2015-03-135810-009-120030.0 ppb
2015-04-105810-008-070046.0 ppb
2015-04-105810-009-0700ND
2015-05-215810-008-113058.0 ppb
2015-05-215810-009-1130ND
2015-06-195810-008-133050.0 ppb
2015-06-195810-009-1330ND
2015-07-065810-008-110050.0 ppb
2015-07-065810-009-1100ND
2015-08-215810-008-121546.0 ppb
2015-08-215810-009-121522.0 ppb
2015-09-235810-008-130044.0 ppb
2015-09-235810-009-130025.0 ppb
2015-10-095810-008-113039.0 ppb
2015-10-095810-009-1130ND
2015-11-065810-008-120068.0 ppb
2015-11-065810-009-1200ND
2015-12-095810-001-1200ND
2015-12-095810-002-1200130.0 ppb
2015-12-095810-004-1200ND
2015-12-095810-008-120032.0 ppb
2015-12-095810-009-120025.0 ppb
2016-01-085810-008-120643.0 ppb
2016-01-085810-009-120635.0 ppb
2016-02-055810-008-103040.0 ppb
2016-02-055810-009-1030ND
2016-02-265810-001-1130ND
2016-02-265810-002-1130130.0 ppb
2016-02-265810-004-1130ND
2016-02-265810-008-113025.0 ppb
2016-03-045810-004-1330ND
2016-03-045810-008-133039.0 ppb
2016-03-045810-009-1330ND
2016-03-115810-001-1030ND
2016-03-115810-002-1030110.0 ppb
2016-04-155810-001-1030ND
2016-04-155810-002-1030110.0 ppb
2016-04-155810-004-1030ND
2016-04-155810-008-1030ND
2016-04-155810-009-1030ND
2016-05-065810-001-0830ND
2016-05-065810-002-0830110.0 ppb
2016-05-065810-004-0830ND
2016-05-065810-008-083029.0 ppb
2016-05-065810-009-0830ND
2016-06-085810-001-1300ND
2016-06-085810-002-1300110.0 ppb
2016-06-085810-004-1300ND
2016-06-085810-008-130039.0 ppb
2016-06-085810-009-130023.0 ppb
2016-07-145810-001-1524ND
2016-07-145810-002-1535150.0 ppb
2016-07-145810-004-1548ND
2016-07-145810-008-152837.0 ppb
2016-07-145810-009-1558110.0 ppb
2016-08-245810-001-0830ND
2016-08-245810-002-083084.0 ppb
2016-08-245810-004-0830ND
2016-08-245810-008-083052.0 ppb
2016-08-245810-009-083024.0 ppb
2016-09-165810-001-0955ND
2016-09-165810-002-095575.0 ppb
2016-09-165810-004-0955ND
2016-09-165810-008-095543.0 ppb
2016-09-165810-009-095529.0 ppb
2016-10-075810-001-1030ND
2016-10-075810-002-103073.0 ppb
2016-10-075810-004-1030ND
2016-10-075810-008-103044.0 ppb
2016-10-075810-009-1030ND
2016-11-185810-001-1000ND
2016-11-185810-002-100084.0 ppb
2016-11-185810-004-1000ND
2016-11-185810-008-100031.0 ppb
2016-11-185810-009-1000ND
2016-12-155810-001-1000ND
2016-12-155810-001-1230ND
2016-12-155810-002-1000140.0 ppb
2016-12-155810-002-1230140.0 ppb
2016-12-155810-004-1000ND
2016-12-155810-004-1230ND
2016-12-155810-008-100029.0 ppb
2016-12-155810-008-123024.0 ppb
2016-12-155810-009-123069.0 ppb
2017-01-065810-001-1300ND
2017-01-065810-002-1300130.0 ppb
2017-01-065810-008-130032.0 ppb
2017-01-065810-009-1300630.0 ppb
2017-02-105810-001-1000ND
2017-02-105810-002-1000130.0 ppb
2017-02-105810-004-1000ND
2017-02-105810-008-100025.0 ppb
2017-02-105810-009-1000170.0 ppb
2017-03-165810-001-1030ND
2017-03-165810-002-1030150.0 ppb
2017-03-165810-004-1045ND
2017-03-165810-008-104521.0 ppb
2017-03-165810-009-103047.0 ppb
2017-04-045810-001-1116ND
2017-04-045810-002-1155150.0 ppb
2017-04-045810-008-114728.0 ppb
2017-04-045810-009-112440.0 ppb
2017-05-235810-001-1230ND
2017-05-235810-002-1230130.0 ppb
2017-05-235810-008-123025.0 ppb
2017-05-235810-009-123038.0 ppb
2017-06-095810-001-1030ND
2017-06-095810-002-1030120.0 ppb
2017-06-095810-008-103020.0 ppb
2017-06-095810-009-103038.0 ppb
2017-07-195810-001-1246ND
2017-07-195810-002-1252140.0 ppb
2017-07-195810-008-124529.0 ppb
2017-07-195810-009-122831.0 ppb
2017-08-085810-001-1600ND
2017-08-085810-002-1600110.0 ppb
2017-08-085810-008-160023.0 ppb
2017-08-085810-009-160040.0 ppb
2017-10-095810-009-180049.0 ppb
2017-11-195810-001-1700ND
2017-11-195810-002-1700150.0 ppb
2017-11-195810-008-1700ND
2017-11-195810-009-170052.0 ppb
2017-12-185810-001-1300ND
2017-12-185810-002-1300150.0 ppb
2017-12-185810-008-1300ND
2017-12-185810-009-130048.0 ppb
2018-01-095810-001-0740ND
2018-01-095810-002-0740150.0 ppb
2018-01-095810-008-0740ND
2018-01-095810-009-074039.0 ppb
2018-06-045810-001-0930ND
2018-06-045810-002-0930150.0 ppb
2018-06-045810-008-0930ND
2018-06-045810-009-093053.0 ppb
2018-07-055810-009-133047.0 ppb
2018-07-175810-001-1245ND
2018-07-175810-002-1300150.0 ppb
2018-07-175810-008-1245ND
2018-07-175810-009-120037.0 ppb
2018-08-155810-001-1300ND
2018-08-155810-002-1310130.0 ppb
2018-08-155810-008-1255ND
2018-08-155810-009-135031.0 ppb
2018-09-115810-009-132033.0 ppb
2018-10-035810-009-140028.0 ppb
2018-11-135810-001-1205ND
2018-11-135810-002-1220130.0 ppb
2018-11-135810-008-121025.0 ppb
2018-11-135810-009-124529.0 ppb
2018-12-045810-009-141028.0 ppb
2019-01-035810-009-131532.0 ppb
2019-02-125810-001-1315ND
2019-02-125810-002-1340140.0 ppb
2019-02-125810-008-1300ND
2019-02-125810-009-131033.0 ppb
2019-03-185810-009-134524.0 ppb
2019-04-105810-009-131529.0 ppb
2019-05-095810-001-1145ND
2019-05-095810-002-1200130.0 ppb
2019-05-095810-008-1145ND
2019-05-095810-009-123031.0 ppb
2019-06-045810-009-112036.0 ppb
2019-07-255810-009-101542.0 ppb
2019-08-215810-001-1200ND
2019-08-215810-002-1210110.0 ppb
2019-08-215810-008-1200ND
2019-08-215810-009-131535.0 ppb
2019-09-165810-009-131041.0 ppb
2019-11-125810-001-1255ND
2019-11-125810-002-1300120.0 ppb
2019-11-125810-008-1250ND
2019-11-125810-009-133026.0 ppb
2019-12-195810-001-1330ND
2019-12-195810-002-1330110.0 ppb
2019-12-195810-008-1330ND
2019-12-195810-009-133035.0 ppb