Know Your Environment. Protect Your Health.

Manganese

City of Richland

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.000 ppb87ND - 1.90 ppb
20191.35 ppb5235ND - 4.70 ppb
20201.20 ppb21ND - 2.40 ppb
20210.885 ppb41ND - 3.54 ppb
20220.501 ppb123ND - 2.02 ppb
20230.550 ppb21ND - 1.10 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
2021-11-30870-4364-1ND
2021-11-30870-4364-23.54 ppb
2021-11-30870-4364-3ND
2021-11-30870-4364-4ND
2022-02-25870-6036-1ND
2022-02-25870-6036-2ND
2022-02-25870-6036-3ND
2022-02-25870-6036-4ND
2022-09-16870-10989-12.02 ppb
2022-09-16870-10989-2ND
2022-09-16870-10989-3ND
2022-09-16870-10989-4ND
2022-10-18870-11681-1ND
2022-10-18870-11681-22.02 ppb
2022-10-18870-11681-3ND
2022-10-18870-11681-41.97 ppb