Know Your Environment. Protect Your Health.

Manganese

Tryon Road Special Utility 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.50 ppb112.50 ppb
20198.20 ppb118.20 ppb
20205.40 ppb225.40 ppb
2021ND10ND
20223.30 ppb113.30 ppb
20237.90 ppb225.90 ppb - 9.90 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
2019-03-21Q19119300068.20 ppb
2020-05-26Q20206080215.40 ppb
2020-05-26Q20206080225.40 ppb
2022-10-24Q22319720083.30 ppb
2023-07-19Q23284560045.90 ppb
2023-08-10Q23332670079.90 ppb