Know Your Environment. Protect Your Health.

Manganese

Port Allen Water System

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
202015.0 ppb2210.00 ppb - 20.0 ppb
2021N/A00N/A
202220.0 ppb2220.0 ppb
202310.00 ppb42ND - 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
2020-03-25B2001412-00110.00 ppb
2020-03-25B2001412-00220.0 ppb
2022-09-20B2204554-00120.0 ppb
2022-09-20B2204554-00220.0 ppb
2023-03-14B2301071-00120.0 ppb
2023-03-14B2301071-00220.0 ppb
2023-03-14B2301071-003ND
2023-03-14B2301071-004ND