Know Your Environment. Protect Your Health.

Asbestos

Heritage Ranch Community Services 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

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND20ND
2020ND20ND
20210.50 MFL21ND - 1.00 MFL
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
2018-05-14CA4010012_001_001-201805141334ND
2018-05-14CA4010012_002_002-201805141341ND
2018-11-01CA4010012_002_002-201811011307ND
2018-11-01CA4010012_002_002-201811011308ND
2018-11-01CA4010012_001_001-201811011307ND
2019-05-09CA4010012_002_002-201905091240ND
2019-05-09CA4010012_001_001-201905091217ND
2020-05-07CA4010012_001_001-202005071035ND
2020-11-19CA4010012_001_001-202011191330ND
2021-06-10CA4010012_001_001-202106101322ND
2021-11-18CA4010012_001_001-2021111810201.00 MFL