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EWG's Tap Water Database — 2019 UPDATE

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Manganese

City of Manteca

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.

 

271

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201218.4 ppb2510ND - 55.2 ppb
201320.2 ppb3314ND - 63.0 ppb
201446.5 ppb1412ND - 71.6 ppb
201512.1 ppb5813ND - 67.6 ppb
201610.9 ppb7015ND - 63.0 ppb
20179.03 ppb7114ND - 57.0 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
2012-02-061098-014-122555.2 ppb
2012-02-085810-044-0745ND
2012-05-011098-014-092045.9 ppb
2012-05-085810-013-0710ND
2012-05-085810-016-1115ND
2012-05-085810-028-0810ND
2012-06-041098-014-100049.2 ppb
2012-06-041098-034-09456.40 ppb
2012-06-125810-049-0717ND
2012-06-131098-018-0725ND
2012-07-021098-013-075350.9 ppb
2012-07-021098-014-075350.9 ppb
2012-07-021098-018-0753ND
2012-08-061098-014-064651.7 ppb
2012-08-061098-018-0646ND
2012-08-131098-018-0821ND
2012-08-145810-015-0920ND
2012-09-041098-014-074050.9 ppb
2012-09-041098-018-0740ND
2012-09-101098-018-0755ND
2012-09-115810-030-0927ND
2012-09-171098-018-0800ND
2012-11-061098-014-111549.0 ppb
2012-12-031098-014-100249.5 ppb
2012-12-115810-036-1125ND
2013-01-021098-014-113048.2 ppb
2013-02-041098-014-100945.5 ppb
2013-03-041098-014-101545.5 ppb
2013-04-011098-014-131343.7 ppb
2013-04-105810-012-0805ND
2013-04-221098-018-0655ND
2013-04-291098-018-0720ND
2013-05-061098-014-072549.9 ppb
2013-05-061098-018-0725ND
2013-05-131098-018-0715ND
2013-05-155810-034-074623.0 ppb
2013-05-201098-018-0650ND
2013-05-281098-018-0658ND
2013-06-031098-014-073053.7 ppb
2013-06-031098-018-0730ND
2013-06-055810-038-0745ND
2013-06-111098-018-0728ND
2013-06-171098-018-0738ND
2013-06-241098-018-0650ND
2013-07-021098-014-064650.0 ppb
2013-07-021098-018-0646ND
2013-07-081098-018-0645ND
2013-07-151098-018-0646ND
2013-07-175810-032-0730ND
2013-07-221098-018-0714ND
2013-07-291098-018-0720ND
2013-08-051098-014-081254.0 ppb
2013-08-051098-018-0810ND
2013-08-145810-014-081063.0 ppb
2013-09-091098-014-104546.5 ppb
2013-10-011098-014-092043.2 ppb
2013-11-051098-014-093551.1 ppb
2013-12-031098-014-110049.2 ppb
2014-01-071098-014-083554.8 ppb
2014-02-041098-014-081449.8 ppb
2014-03-041098-013-063551.1 ppb
2014-04-081098-014-075550.4 ppb
2014-04-085810-040-0825ND
2014-05-061098-014-091549.2 ppb
2014-06-031098-014-101048.7 ppb
2014-06-105810-042-0750ND
2014-07-011098-014-090051.3 ppb
2014-08-051098-014-082050.1 ppb
2014-09-021098-014-080255.1 ppb
2014-10-071098-014-085251.2 ppb
2014-11-181098-014-100067.7 ppb
2014-12-021098-014-104571.6 ppb
2015-01-061098-014-093056.2 ppb
2015-02-031098-014-084067.6 ppb
2015-02-105810-044-0644ND
2015-03-021098-014-104556.1 ppb
2015-04-071098-014-090552.2 ppb
2015-04-231098-014-083553.0 ppb
2015-04-231098-018-0835ND
2015-05-051098-014-061049.6 ppb
2015-05-051098-018-0610ND
2015-05-111098-018-0735ND
2015-05-125810-013-0750ND
2015-05-125810-016-0725ND
2015-05-125810-028-1535ND
2015-05-181098-018-0545ND
2015-05-261098-018-0700ND
2015-06-021098-014-065551.7 ppb
2015-06-021098-018-0655ND
2015-06-081098-018-0736ND
2015-06-095810-049-0650ND
2015-06-151098-018-0648ND
2015-06-221098-018-0600ND
2015-06-291098-018-0800ND
2015-07-071098-014-080054.6 ppb
2015-07-071098-018-0800ND
2015-07-151098-018-0810ND
2015-07-215810-034-0812ND
2015-07-221098-018-0805ND
2015-07-291098-018-0820ND
2015-08-041098-014-062852.7 ppb
2015-08-041098-018-0628ND
2015-08-115810-015-0815ND
2015-08-121098-018-0735ND
2015-08-191098-018-0625ND
2015-08-261098-018-0714ND
2015-09-011098-014-070448.6 ppb
2015-09-011098-018-0704ND
2015-09-085810-030-1045ND
2015-09-091098-018-0635ND
2015-09-161098-018-0631ND
2015-09-231098-018-0650ND
2015-09-301098-018-0743ND
2015-10-061098-014-084551.4 ppb
2015-10-061098-018-0845ND
2015-10-141098-018-0808ND
2015-10-211098-018-0730ND
2015-10-281098-018-0730ND
2015-11-031098-014-064556.2 ppb
2015-11-031098-018-0645ND
2015-11-101098-018-0540ND
2015-11-181098-018-0745ND
2015-11-241098-018-0802ND
2015-12-011098-014-081554.4 ppb
2015-12-011098-018-0815ND
2015-12-081098-018-1102ND
2015-12-095810-036-0840ND
2015-12-161098-018-0830ND
2015-12-221098-018-0821ND
2015-12-301098-018-0805ND
2016-01-061098-014-075057.4 ppb
2016-01-061098-018-0750ND
2016-01-131098-018-0826ND
2016-01-201098-018-0835ND
2016-01-271098-018-0815ND
2016-02-031098-014-083056.3 ppb
2016-02-031098-018-0830ND
2016-02-101098-018-0835ND
2016-02-171098-018-0950ND
2016-02-241098-018-0810ND
2016-03-021098-014-082055.2 ppb
2016-03-021098-018-0820ND
2016-03-091098-018-0845ND
2016-03-151098-018-0803ND
2016-03-221098-018-0759ND
2016-03-291098-018-0630ND
2016-04-051098-014-073043.4 ppb
2016-04-051098-018-0730ND
2016-04-111098-018-0718ND
2016-04-195810-012-0920ND
2016-04-191098-018-0655ND
2016-04-261098-018-0655ND
2016-05-021098-014-080550.8 ppb
2016-05-021098-018-0805ND
2016-05-101098-018-0857ND
2016-05-171098-018-0750ND
2016-05-241098-018-0755ND
2016-05-311098-018-0718ND
2016-06-071098-014-080550.2 ppb
2016-06-071098-018-0805ND
2016-06-141098-018-0630ND
2016-06-145810-038-0645ND
2016-06-211098-018-0625ND
2016-06-281098-018-0622ND
2016-07-055810-014-055063.0 ppb
2016-07-055810-018-0550ND
2016-07-115810-018-0730ND
2016-07-125810-032-0630ND
2016-07-185810-018-0545ND
2016-07-255810-018-0700ND
2016-08-011098-014-073549.3 ppb
2016-08-015810-014-073562.0 ppb
2016-08-011098-018-07352.40 ppb
2016-08-015810-018-0735ND
2016-08-091098-018-0755ND
2016-08-161098-018-0750ND
2016-08-235810-014-071561.0 ppb
2016-08-231098-018-0715ND
2016-08-301098-018-0730ND
2016-09-061098-014-053050.5 ppb
2016-09-061098-018-0530ND
2016-09-131098-018-0735ND
2016-09-201098-018-0710ND
2016-09-271098-018-0735ND
2016-10-041098-014-075054.1 ppb
2016-10-041098-018-0750ND
2016-10-111098-018-0750ND
2016-10-181098-018-0735ND
2016-10-251098-018-0717ND
2016-11-011098-014-110555.5 ppb
2016-11-011098-018-1105ND
2016-11-081098-018-0625ND
2016-11-151098-018-1015ND
2016-11-221098-018-1235ND
2016-11-291098-018-1030ND
2016-12-061098-014-115453.4 ppb
2016-12-061098-018-1100ND
2016-12-131098-018-0845ND
2016-12-201098-018-1045ND
2016-12-271098-018-1100ND
2017-01-031098-014-084053.0 ppb
2017-01-031098-018-0840ND
2017-01-101098-018-0915ND
2017-01-171098-018-1205ND
2017-01-241098-018-1043ND
2017-01-311098-018-1043ND
2017-02-071098-014-075552.6 ppb
2017-02-071098-018-0755ND
2017-02-141098-018-0835ND
2017-02-211098-018-0825ND
2017-02-281098-018-0730ND
2017-03-071098-014-084049.7 ppb
2017-03-071098-018-0840ND
2017-03-141098-018-0830ND
2017-03-211098-018-0936ND
2017-03-281098-018-0903ND
2017-04-041098-014-091451.5 ppb
2017-04-041098-018-0914ND
2017-04-101098-018-0722ND
2017-04-115810-034-0817ND
2017-04-115810-044-0800ND
2017-04-181098-018-0715ND
2017-04-251098-018-0825ND
2017-05-021098-014-065649.5 ppb
2017-05-021098-018-0657ND
2017-05-091098-018-0550ND
2017-05-095810-040-0859ND
2017-05-091098-044-07438.80 ppb
2017-05-091098-045-0655ND
2017-05-091098-047-06583.00 ppb
2017-05-161098-018-0635ND
2017-05-231098-018-0813ND
2017-05-301098-018-0650ND
2017-06-061098-014-071448.7 ppb
2017-06-061098-018-0715ND
2017-06-131098-018-0715ND
2017-06-135810-042-0745ND
2017-06-201098-018-0730ND
2017-06-271098-018-0645ND
2017-07-051098-014-063652.5 ppb
2017-07-051098-018-0635ND
2017-07-111098-018-0730ND
2017-07-181098-018-0707ND
2017-07-251098-018-0654ND
2017-08-011098-014-071350.8 ppb
2017-08-011098-018-0714ND
2017-08-081098-018-0742ND
2017-08-151098-018-0702ND
2017-08-221098-018-0735ND
2017-08-291098-018-0646ND
2017-09-051098-014-065453.8 ppb
2017-09-051098-018-0656ND
2017-09-121098-018-0656ND
2017-09-191098-018-0725ND
2017-09-261098-018-0715ND
2017-10-031098-014-074454.6 ppb
2017-10-031098-018-0746ND
2017-10-101098-018-0800ND
2017-10-171098-018-0737ND
2017-10-241098-018-0736ND
2017-10-311098-018-0758ND
2017-11-071098-014-090255.6 ppb
2017-11-071098-018-0904ND
2017-11-141098-018-0734ND
2017-11-211098-018-1005ND
2017-11-281098-018-1020ND
2017-12-051098-014-103557.0 ppb
2017-12-051098-018-1037ND
2017-12-121098-018-0959ND
2017-12-191098-018-1045ND
2017-12-261098-018-0945ND