Know Your Environment. Protect Your Health.

Manganese

Smackover Waterworks

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.70 ppb112.70 ppb
2019N/A00N/A
20205.65 ppb42ND - 20.0 ppb
20218.04 ppb551.20 ppb - 27.7 ppb
2022ND30ND
20239.60 ppb32ND - 20.0 ppb

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
2018-01-30Y1803200102.70 ppb
2020-01-27Y20030000620.0 ppb
2020-01-27Y200300007ND
2020-09-15Y2026100542.60 ppb
2020-11-16Y203240059ND
2021-01-26Y2102800384.10 ppb
2021-01-26Y2102800323.00 ppb
2021-06-07Y21161000227.7 ppb
2021-08-23Y2123800614.20 ppb
2021-11-08Y2131600111.20 ppb
2022-05-24Y221460057ND
2022-08-16Y222300063ND
2022-11-07Y223130073ND
2023-01-31Y23033000920.0 ppb
2023-01-31Y2303300108.80 ppb
2023-05-31Y231520036ND