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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Lompoc Water Utility Division

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

 

94

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20141.53 ppb1412ND - 3.10 ppb
20151.35 ppb1411ND - 2.80 ppb
20160.560 ppb205ND - 3.80 ppb
2017ND130ND
2018ND140ND
20190.126 ppb192ND - 1.40 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
2014-01-075867-002-08363.10 ppb
2014-01-155867-012-1115ND
2014-01-155867-002-1316ND
2014-02-055867-002-07462.90 ppb
2014-03-055867-002-07482.30 ppb
2014-04-025867-002-10482.90 ppb
2014-05-075867-002-08201.70 ppb
2014-06-045867-002-07541.10 ppb
2014-07-025867-002-09151.000 ppb
2014-08-065867-002-08021.10 ppb
2014-09-035867-002-08040.600 ppb
2014-10-085867-002-07531.70 ppb
2014-11-055867-002-08181.60 ppb
2014-12-035867-002-08211.40 ppb
2015-01-065867-002-0915ND
2015-01-075867-012-1104ND
2015-01-145867-002-0802ND
2015-02-045867-002-09552.10 ppb
2015-03-045867-002-08041.40 ppb
2015-04-015867-002-08542.80 ppb
2015-05-065867-002-09102.60 ppb
2015-06-035867-002-09240.600 ppb
2015-07-015867-002-11382.20 ppb
2015-08-055867-002-08520.700 ppb
2015-09-025867-002-08000.900 ppb
2015-10-075867-002-09351.40 ppb
2015-11-045867-002-09262.20 ppb
2015-12-025867-002-09242.00 ppb
2016-01-015867-002-10172.00 ppb
2016-01-065867-002-1017ND
2016-01-205867-012-1224ND
2016-02-035867-002-10563.80 ppb
2016-03-025867-002-10332.50 ppb
2016-04-065867-002-09141.30 ppb
2016-05-045867-002-09581.60 ppb
2016-06-015867-002-1002ND
2016-07-065867-002-1005ND
2016-08-035867-002-0925ND
2016-08-175867-002-1130ND
2016-08-245867-002-0958ND
2016-09-025867-002-0957ND
2016-09-075867-002-0954ND
2016-09-145867-002-1011ND
2016-09-215867-002-0923ND
2016-09-285867-002-1150ND
2016-10-055867-002-1010ND
2016-11-025867-002-1035ND
2016-12-075867-002-1123ND
2017-01-045867-002-1238ND
2017-01-045867-012-1205ND
2017-02-015867-002-1017ND
2017-03-015867-002-1017ND
2017-04-055867-002-0907ND
2017-05-035867-002-1051ND
2017-06-075867-002-0941ND
2017-07-055867-002-1021ND
2017-08-025867-002-1022ND
2017-09-135867-002-0837ND
2017-10-045867-002-0918ND
2017-11-015867-002-1011ND
2017-12-065867-002-1106ND
2018-01-035867-002-1112ND
2018-01-035867-012-1027ND
2018-02-075867-002-0842ND
2018-03-075867-002-1105ND
2018-03-075867-002-1102ND
2018-04-045867-002-0918ND
2018-05-025867-002-1112ND
2018-06-065867-002-0958ND
2018-07-115867-002-1152ND
2018-08-015867-002-1021ND
2018-09-055867-002-0920ND
2018-10-035867-002-1106ND
2018-11-075867-002-1012ND
2018-12-125867-002-0846ND
2019-01-025867-002-0820ND
2019-01-165867-012-1015ND
2019-02-055867-002-1602ND
2019-03-065867-002-1025ND
2019-03-122019031301851.000 ppb
2019-03-12201903130199ND
2019-04-035867-002-0750ND
2019-05-015867-002-1058ND
2019-06-055867-002-0746ND
2019-06-12201906130423ND
2019-07-025867-002-0753ND
2019-08-075867-002-0802ND
2019-09-045867-002-0746ND
2019-09-11201909120447ND
2019-09-112019091201831.40 ppb
2019-10-025867-002-0754ND
2019-11-065867-002-0752ND
2019-12-03201912040510ND
2019-12-045867-002-0805ND