Know Your Environment. Protect Your Health.

Manganese

San Antonio Water Company

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.463 ppb164ND - 3.50 ppb
2019ND10ND
202030.0 ppb1130.0 ppb
2021ND100ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-05-07103708PND
2018-05-08103707P1.50 ppb
2018-05-08103706PND
2018-05-08103705P1.20 ppb
2018-07-20CA3610085_013_013-201807200900ND
2018-07-20CA3610085_016_016-201807201030ND
2018-07-20CA3610085_017_017-201807200920ND
2018-07-20CA3610085_018_018-201807200946ND
2018-07-20CA3610085_002_002-201807200951ND
2018-07-20CA3610085_003_003-201807201156ND
2018-07-20CA3610085_004_004-201807201135ND
2018-07-20CA3610085_001_001-201807201100ND
2018-11-06109128PND
2018-11-06109127P3.50 ppb
2018-11-06109126PND
2018-11-06109125P1.20 ppb
2019-01-04CA3610085_011_011-201901040953ND
2020-04-07CA3610085_021_021-20200407102030.0 ppb
2021-07-20CA3610085_018_018-202107201130ND
2021-07-20CA3610085_003_003-202107201013ND
2021-07-20CA3610085_002_002-202107201124ND
2021-07-20CA3610085_011_011-202107200842ND
2021-07-20CA3610085_001_001-202107201036ND
2021-07-20CA3610085_017_017-202107200943ND
2021-07-20CA3610085_013_013-202107200954ND
2021-07-27CA3610085_016_016-202107270810ND
2021-07-27CA3610085_021_021-202107271245ND
2021-07-27CA3610085_004_004-202107270908ND