Know Your Environment. Protect Your Health.

Manganese

Riviera WCID

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.

 

53

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
20192.90 ppb112.90 ppb
2020ND80ND
20212.02 ppb115ND - 6.03 ppb
20220.320 ppb172ND - 3.24 ppb
20230.366 ppb162ND - 3.53 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
2019-03-14AE583772.90 ppb
2020-03-18656288-001ND
2020-03-18656288-004ND
2020-03-18656288-002ND
2020-03-18656288-003ND
2020-07-22668073-001ND
2020-07-22668073-002ND
2020-07-22668073-003ND
2020-07-22668073-004ND
2021-05-13860-4030-1ND
2021-05-13860-4030-2ND
2021-05-13860-4030-3ND
2021-05-13860-4030-4ND
2021-09-15860-12065-3ND
2021-09-15860-12065-43.43 ppb
2021-09-15860-12065-26.03 ppb
2021-09-15860-12065-14.01 ppb
2021-12-29860-18239-13.59 ppb
2021-12-29860-18239-25.11 ppb
2021-12-29860-18240-1ND
2022-01-25AF815552.20 ppb
2022-03-16860-22791-1ND
2022-03-16860-22791-23.24 ppb
2022-03-16860-22791-3ND
2022-03-16860-22791-4ND
2022-04-27860-25261-4ND
2022-04-27860-25261-2ND
2022-04-27860-25261-1ND
2022-04-27860-25261-3ND
2022-08-24860-32161-1ND
2022-08-24860-32161-2ND
2022-08-24860-32161-3ND
2022-08-24860-32161-4ND
2022-10-05860-34549-1ND
2022-10-05860-34549-2ND
2022-10-05860-34553-1ND
2022-10-05860-34553-2ND
2023-01-11860-41077-4ND
2023-01-11860-41077-3ND
2023-01-11860-41077-2ND
2023-01-11860-41077-1ND
2023-04-13860-46975-1ND
2023-04-13860-46975-2ND
2023-04-13860-46975-3ND
2023-04-13860-46975-4ND
2023-10-11860-59145-13.53 ppb
2023-10-11860-59145-22.32 ppb
2023-10-11860-59145-3ND
2023-10-11860-59145-4ND
2023-12-20860-65716-1ND
2023-12-20860-65716-2ND
2023-12-20860-65716-3ND
2023-12-20860-65716-4ND