Know Your Environment. Protect Your Health.

Manganese

City of Denham Springs 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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
202023.3 ppb2119ND - 129.0 ppb
2021ND10ND
202216.0 ppb52ND - 50.0 ppb
202312.7 ppb115ND - 40.0 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
2018-01-31AE20521ND
2018-01-31AE20521ND
2020-02-1845686716.51 ppb
2020-02-18456791210.6 ppb
2020-02-184568191129.0 ppb
2020-02-1845683174.46 ppb
2020-02-18456793120.1 ppb
2020-02-1845683443.01 ppb
2020-02-1845683933.81 ppb
2020-07-06B2003405-00630.0 ppb
2020-07-06B2003405-00520.0 ppb
2020-07-06B2003405-00410.00 ppb
2020-07-07B2003405-003ND
2020-07-07B2003405-002ND
2020-07-07B2003405-00110.00 ppb
2020-08-1847034614.44 ppb
2020-08-18470345731.8 ppb
2020-08-18470345368.3 ppb
2020-08-18470343692.7 ppb
2020-08-18470343211.6 ppb
2020-08-1847034289.13 ppb
2020-08-1847034653.25 ppb
2020-11-30B2006403-00120.0 ppb
2021-11-29B2106406-001ND
2022-08-23B2203977-00130.0 ppb
2022-08-23B2203977-002ND
2022-08-23B2203977-003ND
2022-08-24B2204024-001ND
2022-11-29B2205601-00150.0 ppb
2023-07-31B2303121-00120.0 ppb
2023-07-31B2303121-007ND
2023-07-31B2303121-00240.0 ppb
2023-07-31B2303121-003ND
2023-07-31B2303121-00410.00 ppb
2023-07-31B2303121-005ND
2023-07-31B2303121-00640.0 ppb
2023-07-31B2303121-010ND
2023-07-31B2303121-009ND
2023-07-31B2303121-00830.0 ppb
2023-12-27B2305393-001ND