Know Your Environment. Protect Your Health.

Manganese

Cheniere Drew North 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.

 

31

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
20190.652 ppb107ND - 2.50 ppb
20200.443 ppb71ND - 3.10 ppb
2021N/A00N/A
2022ND40ND
2023ND100ND

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
2019-04-01111254P0.410 ppb
2019-04-01111253PND
2019-04-02111252P0.520 ppb
2019-04-02111251PND
2019-04-03111250P2.50 ppb
2019-10-07115337P1.20 ppb
2019-10-07115336P0.420 ppb
2019-10-07115335P1.000 ppb
2019-10-08115339P0.470 ppb
2019-10-08115338PND
2020-07-30B2003906-004ND
2020-07-30B2003906-005ND
2020-07-30B2003906-006ND
2020-09-22B2004890-001ND
2020-09-22B2004890-002ND
2020-10-2835588116002ND
2020-10-28355881160013.10 ppb
2022-02-18B2200711-004ND
2022-02-18B2200711-003ND
2022-02-18B2200711-002ND
2022-02-18B2200711-001ND
2023-10-09B2304361-006ND
2023-10-09B2304361-007ND
2023-10-09B2304361-008ND
2023-10-09B2304361-009ND
2023-10-09B2304361-010ND
2023-10-09B2304361-005ND
2023-10-09B2304361-004ND
2023-10-09B2304361-003ND
2023-10-09B2304361-002ND
2023-10-09B2304361-001ND