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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Ventura Water Department

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

 

170

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
2014ND110ND
2015ND100ND
2016ND360ND
2017ND360ND
2018ND360ND
20190.603 ppb362ND - 14.0 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
2014-01-062911-002-1343ND
2014-02-032911-002-1318ND
2014-03-102911-002-1311ND
2014-04-072911-002-1312ND
2014-05-052911-002-1304ND
2014-06-022911-002-1318ND
2014-07-072911-002-1400ND
2014-08-042911-002-1340ND
2014-09-082911-002-1342ND
2014-10-062911-002-1404ND
2014-12-012911-002-1402ND
2015-01-052911-002-1331ND
2015-02-022911-002-1306ND
2015-03-022911-002-1309ND
2015-05-042911-002-1339ND
2015-06-012911-002-1329ND
2015-07-062911-002-1315ND
2015-09-082911-002-1307ND
2015-10-052911-002-1150ND
2015-11-022911-002-1307ND
2015-12-082911-002-1244ND
2016-01-042911-002-1222ND
2016-01-042911-013-0919ND
2016-01-042911-026-0945ND
2016-02-022911-002-1235ND
2016-02-022911-013-0934ND
2016-02-022911-026-1020ND
2016-03-072911-002-1302ND
2016-03-072911-013-0950ND
2016-03-072911-026-1055ND
2016-04-042911-002-1300ND
2016-04-042911-013-0956ND
2016-04-042911-026-1050ND
2016-05-022911-002-1245ND
2016-05-022911-013-0928ND
2016-05-022911-026-1150ND
2016-06-062911-002-1209ND
2016-06-062911-013-0848ND
2016-06-062911-026-1048ND
2016-07-112911-002-1225ND
2016-07-112911-013-0946ND
2016-07-112911-026-1025ND
2016-08-012911-002-1245ND
2016-08-012911-013-0927ND
2016-08-012911-026-1140ND
2016-09-122911-002-1237ND
2016-09-122911-013-0957ND
2016-09-122911-026-1130ND
2016-10-102911-002-1255ND
2016-10-102911-013-1002ND
2016-10-102911-026-1115ND
2016-11-072911-002-1652ND
2016-11-072911-013-1050ND
2016-11-072911-026-1135ND
2016-12-052911-002-1328ND
2016-12-052911-013-1016ND
2016-12-052911-026-1100ND
2017-01-092911-002-1241ND
2017-01-092911-013-0926ND
2017-01-092911-026-1157ND
2017-02-062911-002-1347ND
2017-02-062911-013-1037ND
2017-02-062911-026-0946ND
2017-03-062911-002-1334ND
2017-03-062911-013-1019ND
2017-03-062911-026-1215ND
2017-04-032911-002-1323ND
2017-04-032911-013-1009ND
2017-04-032911-026-1106ND
2017-05-012911-002-1321ND
2017-05-012911-013-1005ND
2017-05-012911-026-1038ND
2017-06-052911-002-1419ND
2017-06-052911-013-1047ND
2017-06-052911-026-1030ND
2017-07-032911-002-1233ND
2017-07-032911-013-0916ND
2017-07-032911-026-1145ND
2017-08-072911-002-1337ND
2017-08-072911-013-1010ND
2017-08-072911-026-1000ND
2017-09-052911-002-1258ND
2017-09-052911-013-0939ND
2017-09-052911-026-1030ND
2017-10-022911-002-1418ND
2017-10-022911-013-1054ND
2017-10-022911-026-1030ND
2017-11-062911-002-1406ND
2017-11-062911-013-1038ND
2017-11-062911-026-1015ND
2017-12-042911-002-1351ND
2017-12-042911-013-1010ND
2017-12-042911-026-1055ND
2018-01-082911-002-1349ND
2018-01-082911-013-1023ND
2018-01-082911-026-1050ND
2018-02-052911-002-1420ND
2018-02-052911-013-1024ND
2018-02-052911-026-1115ND
2018-03-052911-002-1339ND
2018-03-052911-013-1039ND
2018-03-052911-026-1015ND
2018-04-022911-002-1311ND
2018-04-022911-002-1312ND
2018-04-022911-013-1024ND
2018-04-022911-013-1312ND
2018-04-022911-026-1010ND
2018-04-022911-026-1312ND
2018-05-072911-002-1317ND
2018-06-042911-002-1300ND
2018-06-042911-013-1055ND
2018-06-042911-026-0945ND
2018-07-022911-002-1318ND
2018-07-022911-013-1019ND
2018-07-022911-026-1040ND
2018-08-062911-002-1349ND
2018-08-062911-013-1012ND
2018-08-062911-026-1105ND
2018-09-042911-002-1450ND
2018-09-042911-013-1118ND
2018-09-042911-026-1217ND
2018-09-042911-026-1320ND
2018-10-012911-002-1605ND
2018-10-012911-013-0000ND
2018-10-012911-026-0940ND
2018-11-052911-002-1434ND
2018-11-052911-013-1040ND
2018-11-052911-026-1200ND
2018-12-032911-026-1550ND
2019-01-072911-013-1031ND
2019-01-072911-026-1115ND
2019-02-042911-013-1021ND
2019-02-042911-026-1140ND
2019-03-042911-002-1427ND
2019-03-042911-013-1016ND
2019-03-042911-026-1035ND
2019-04-015867-002-1337ND
2019-04-015867-013-1005ND
2019-04-015867-021-1335ND
2019-04-015867-026-1025ND
2019-05-065867-002-1412ND
2019-05-065867-013-1037ND
2019-05-065867-021-1410ND
2019-05-065867-026-1005ND
2019-06-035867-002-1243ND
2019-06-035867-013-0950ND
2019-06-035867-021-1235ND
2019-06-035867-026-1145ND
2019-07-015867-013-0946ND
2019-07-015867-026-1000ND
2019-08-059588-013-0936ND
2019-08-059588-026-0950ND
2019-09-039588-013-1048ND
2019-09-039588-026-1055ND
2019-09-049588-013-1048ND
2019-09-049588-026-1055ND
2019-10-079588-013-1043ND
2019-10-079588-026-1035ND
2019-11-049588-013-0920ND
2019-11-049588-026-1100ND
2019-11-059J15127-01ND
2019-11-059J15127-0214.0 ppb
2019-11-059J15127-037.70 ppb
2019-12-029588-013-0932ND
2019-12-029588-026-1335ND
2020-02-030A07061-01ND
2020-05-040D13012-010.800 ppb
2020-05-040D13012-024.40 ppb
2020-05-040D13012-037.00 ppb
2020-08-030F22016-011.40 ppb