Know Your Environment. Protect Your Health.

Asbestos

Cws-split Mountain Water System

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2018-01-23CA1500407_006_006-201801230950ND
2018-07-02CA1500407_DST_901-201807021100ND
2019-11-18CA1500407_002_002-201911181018ND
2020-02-24CA1500407_007_007-202002241221ND