Know Your Environment. Protect Your Health.

Manganese

Covington Water Supply

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201813.5 ppb330.920 ppb - 33.3 ppb
201913.8 ppb330.990 ppb - 33.2 ppb
202013.3 ppb31ND - 40.0 ppb
2021N/A00N/A
20226.67 ppb31ND - 20.0 ppb
202313.3 ppb62ND - 50.0 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
2018-08-2035412356006SEA10.920 ppb
2018-08-2035412356005SEA16.40 ppb
2018-08-2035412356004SEA133.3 ppb
2019-02-2535450574006SEA20.990 ppb
2019-02-2535450574005SEA27.10 ppb
2019-02-2535450574004SEA233.2 ppb
2020-01-27B2000331-00240.0 ppb
2020-01-27B2000331-003ND
2020-01-27B2000331-001ND
2022-10-25B2205136-003ND
2022-10-25B2205136-002ND
2022-10-25B2205136-00120.0 ppb
2023-01-10B2300110-00230.0 ppb
2023-01-10B2300110-003ND
2023-01-10B2300118-001ND
2023-01-10B2300118-00250.0 ppb
2023-01-10B2300118-003ND
2023-01-10B2300110-001ND