Know Your Environment. Protect Your Health.

Asbestos

Four Way Special Utility District

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.

 

11

Samples

1

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
20213.15 MFL31ND - 9.46 MFL
20220.05 MFL41ND - 0.20 MFL
20230.10 MFL41ND - 0.38 MFL

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
2021-06-02CAL210651979.46 MFL
2021-06-24CAL21066018ND
2021-12-09CAL211211026ND
2022-03-07CAL220320250.20 MFL
2022-04-20CAL22043689ND
2022-08-08CAL22087897ND
2022-10-17CAL221010487ND
2023-01-09CAL2301219ND
2023-04-243239901ND
2023-08-0233408970.38 MFL
2023-10-103417083ND