Know Your Environment. Protect Your Health.

Asbestos

North Wales Water Authority

Asbestos is a mineral fiber introduced into water by the dissolution of asbestos-containing minerals and from decay of asbestos cement in water mains. Asbestos causes cancer when ingested or inhaled.

 

12

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
2019N/A00N/A
2020N/A00N/A
2021ND90ND
2022N/A00N/A
2023ND30ND

MFL = million fibers per liter

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 MFL

The legal limit for asbestos, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

MFL = million fibers per liter

All test results

Date Lab ID Result
2021-11-0225589842.00ND
2021-12-0925766036.00ND
2021-12-0925766037.00ND
2021-12-0925766035.00ND
2021-12-0925766038.00ND
2021-12-0925766039.00ND
2021-12-0925766030.00ND
2021-12-0925766031.00ND
2021-12-0925766040.00ND
2023-06-2029110720.00ND
2023-06-2029110721.00ND
2023-06-2029110722.00ND