Know Your Environment. Protect Your Health.

Manganese

Lacey Water Department

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.

 

37

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
20198.78 ppb128ND - 71.6 ppb
20209.60 ppb1310ND - 60.4 ppb
20218.25 ppb124ND - 61.0 ppb
2022N/A00N/A
2023N/A00N/A

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
2019-06-20ND
2019-10-2919-41608-806540.410 ppb
2019-10-2919-41608-806503.50 ppb
2019-10-2919-41608-80649ND
2019-10-2919-41608-806512.80 ppb
2019-10-2919-41608-80648ND
2019-10-2919-41608-8065271.6 ppb
2019-10-2919-41608-806539.30 ppb
2019-10-2919-41608-806559.00 ppb
2019-10-2919-41608-80656ND
2019-10-2919-41608-806578.10 ppb
2019-10-2919-41608-806580.600 ppb
2020-04-0720-11785-228300.600 ppb
2020-04-0720-11785-22826ND
2020-04-0720-11785-2282923.5 ppb
2020-04-0720-11785-2283110.9 ppb
2020-04-0720-11785-2282860.4 ppb
2020-04-0720-11785-22832ND
2020-04-0720-11785-228338.50 ppb
2020-04-0720-11785-228340.600 ppb
2020-04-0720-11785-22825ND
2020-04-0720-11785-2282718.0 ppb
2020-06-2320-20545-392621.40 ppb
2020-07-0220-21831-416120.500 ppb
2020-12-0920-43731-832990.460 ppb
2021-04-294109335ND
2021-05-054115243ND
2021-06-164136305ND
2021-06-164136304ND
2021-07-13415263814.0 ppb
2021-07-134145911ND
2021-07-134145912ND
2021-07-144159366ND
2021-07-14415936461.0 ppb
2021-08-10415936814.0 ppb
2021-08-10415936910.00 ppb
2021-09-134176408ND