Know Your Environment. Protect Your Health.

Aluminum

Guadalupe Blanco River Authority

Aluminum is a metal released from metal refineries and mining operations. Too much aluminum exposure can impair children's brain development.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201871.6 ppb1171.6 ppb
201948.1 ppb1148.1 ppb
202045.8 ppb1145.8 ppb
202142.5 ppb1142.5 ppb
202231.8 ppb1131.8 ppb
202340.5 ppb1140.5 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 600 ppb

The EWG Health Guideline of 600 ppb for aluminum was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-01AE1624971.6 ppb
2019-02-25AE5584348.1 ppb
2020-03-16AF0287345.8 ppb
2021-03-22AF4781542.5 ppb
2022-02-14AF8449531.8 ppb
2023-02-15AG2901040.5 ppb