Know Your Environment. Protect Your Health.

Manganese

Long Pond Water District

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201814.0 ppb1114.0 ppb
20199.40 ppb119.40 ppb
202025.0 ppb1125.0 ppb
2021173.0 ppb2226.0 ppb - 320.0 ppb
202218.0 ppb1118.0 ppb
202310.00 ppb1110.00 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
2018-04-101804095-0114.0 ppb
2019-03-201903742-019.40 ppb
2020-04-152003910-0125.0 ppb
2021-08-192113063-01320.0 ppb
2021-09-302116437-0126.0 ppb
2022-04-132203456-0118.0 ppb
2023-05-102303336-0110.00 ppb