Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Asbestos

City of Nogales

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND90ND
2019ND70ND

MFL = million fibers per liter

State and national drinking water standards and health guidelines

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
2018-08-152018-07487-1ND
2018-08-152018-07487-2ND
2018-08-152018-07487-3ND
2018-08-152018-07487-4ND
2018-08-152018-07487-5ND
2018-08-152018-07487-6ND
2018-09-242018-08684-1ND
2018-11-172018-10436-1ND
2018-12-121812-072-01ND
2019-01-291901-145-01ND
2019-02-251902-126-01ND
2019-04-161904-083-01ND
2019-05-311905-198-01ND
2019-06-251906-165-01ND
2019-09-181909-112-01ND
2019-11-131911-081-01ND