Know Your Environment. Protect Your Health.

Manganese

El Oso Water Supply Corporation

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.

 

63

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.34 ppb209ND - 4.65 ppb
2019N/A00N/A
20201.67 ppb102ND - 9.30 ppb
2021ND100ND
2022N/A00N/A
20231.51 ppb233ND - 25.0 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
2018-03-22Q18119340023.39 ppb
2018-03-22Q18119340012.58 ppb
2018-03-22Q18119340054.65 ppb
2018-03-22Q18119340033.12 ppb
2018-03-22Q1811934004ND
2018-06-05Q18222890011.72 ppb
2018-06-05Q18222890021.44 ppb
2018-06-05Q18222890031.47 ppb
2018-06-05Q18222890044.51 ppb
2018-06-05Q18222890053.99 ppb
2018-09-05Q1835491001ND
2018-09-05Q1835491002ND
2018-09-05Q1835491003ND
2018-09-05Q1835491004ND
2018-09-05Q1835491005ND
2018-12-12Q1851307003ND
2018-12-12Q1851307005ND
2018-12-12Q1851307004ND
2018-12-12Q1851307002ND
2018-12-12Q1851307001ND
2020-03-19AF037429.30 ppb
2020-03-19AF037437.40 ppb
2020-09-28Q2038187001ND
2020-09-28Q2038187002ND
2020-09-28Q2038187003ND
2020-09-28Q2038187004ND
2020-12-16Q2049898001ND
2020-12-16Q2049898002ND
2020-12-16Q2049898003ND
2020-12-16Q2049898004ND
2021-03-1721C3149-04ND
2021-03-1721C3149-02ND
2021-03-1721C3149-01RE1ND
2021-03-1721C3149-03ND
2021-06-16Q2115762001ND
2021-06-16Q2115762002ND
2021-06-16Q2115762003ND
2021-06-16Q2115762004ND
2021-06-16Q2115762005ND
2021-06-16Q2115762006ND
2023-02-16AG292416.10 ppb
2023-02-16AG292443.70 ppb
2023-03-14Q2309843005ND
2023-03-14Q2309843004ND
2023-03-14Q2309843003ND
2023-03-14Q2309843001ND
2023-03-14Q2309843002ND
2023-03-29AG3474425.0 ppb
2023-05-31Q2320382001ND
2023-05-31Q2320382002ND
2023-05-31Q2320382003ND
2023-05-31Q2320382004ND
2023-05-31Q2320382005ND
2023-08-08Q2332950002ND
2023-08-08Q2332950005ND
2023-08-08Q2332950004ND
2023-08-08Q2332950003ND
2023-08-08Q2332950001ND
2023-12-12Q2353328001ND
2023-12-12Q2353328003ND
2023-12-12Q2353328004ND
2023-12-12Q2353328005ND
2023-12-28Q2400039001ND