Know Your Environment. Protect Your Health.

Asbestos

Patterson 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.

 

19

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
2019ND140ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND20ND

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
2019-01-1535442597002ND
2019-01-1535442597001ND
2019-01-1535442597001ND
2019-01-1535442597002ND
2019-07-2435484634001ND
2019-07-2435484634002ND
2019-07-2435484634002ND
2019-07-2435484634001ND
2019-09-0935496011001ND
2019-09-0935496011002ND
2019-09-0935496011001ND
2019-09-0935496011002ND
2019-10-2235507060001ND
2019-10-2235507060001ND
2020-04-2835548548001ND
2021-03-2535622193001ND
2022-01-0635689160001ND
2023-01-3035779491001ND
2023-01-3035779491002ND