Know Your Environment. Protect Your Health.

Aluminum

Tud - Tuolumne Water System

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019115.0 ppb21ND - 230.0 ppb
2020265.0 ppb21ND - 530.0 ppb
2021105.0 ppb21ND - 210.0 ppb
2022110.0 ppb21ND - 220.0 ppb
2023ND20ND

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
2018-08-22CA5510003_002_002-201808220810ND
2018-08-22CA5510003_003_003-201808220824ND
2019-08-13CA5510003_002_002-201908131105230.0 ppb
2019-08-13CA5510003_003_003-201908131135ND
2020-08-13CA5510003_002_002-202008130940530.0 ppb
2020-08-13CA5510003_003_003-202008130925ND
2021-08-23CA5510003_002_002-202108231405210.0 ppb
2021-08-23CA5510003_003_003-202108231350ND
2022-08-10CA5510003_002_002-202208100755220.0 ppb
2022-08-10CA5510003_003_003-202208100745ND
2023-08-03CA5510003_003_003-202308030905ND
2023-08-03CA5510003_002_002-202308030855ND