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EWG's Tap Water Database — 2021 UPDATE

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Asbestos

Chino Basin Desalter Authority - Desalter 1

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.

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93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND130ND
2015ND140ND
2016ND180ND
2017ND150ND
2018ND150ND
2019ND180ND

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
2014-07-020004-001-0845ND
2014-07-020004-002-0745ND
2014-07-020004-004-0600ND
2014-07-090004-005-0645ND
2014-07-090004-006-0845ND
2014-07-090004-008-0745ND
2014-07-090004-007-0915ND
2014-07-160004-013-0915ND
2014-07-160004-011-0800ND
2014-07-160004-010-0700ND
2014-07-160004-009-0600ND
2014-07-230004-015-0600ND
2014-08-130004-014-0900ND
2015-01-070004-001-0910ND
2015-02-180004-009-1400ND
2015-07-010004-004-1014ND
2015-07-010004-002-0830ND
2015-07-080004-008-0820ND
2015-07-080004-009-0915ND
2015-07-080004-011-1123ND
2015-07-080004-005-0730ND
2015-07-080004-010-1020ND
2015-07-150004-021-0650ND
2015-07-220004-006-1122ND
2015-07-220004-013-0945ND
2015-07-220004-007-1045ND
2015-07-220004-014-0853ND
2016-04-042283-015-0945ND
2016-07-062283-009-0800ND
2016-07-062283-010-0910ND
2016-07-062283-008-0650ND
2016-07-062283-005-0600ND
2016-07-062283-002-0650ND
2016-07-132283-016-0800ND
2016-07-132283-017-0845ND
2016-07-132283-007-0630ND
2016-07-132283-021-0800ND
2016-07-132283-006-0700ND
2016-07-202283-014-0900ND
2016-07-202283-020-1000ND
2016-07-202283-013-0800ND
2016-07-202283-011-0700ND
2016-07-272283-001-0700ND
2016-07-272283-002-0730ND
2016-07-272283-004-0845ND
2017-07-052283-005-0940ND
2017-07-052283-010-1130ND
2017-07-052283-008-0815ND
2017-07-052283-009-1030ND
2017-07-122283-020-0600ND
2017-07-122283-024-0630ND
2017-07-192283-013-0630ND
2017-07-192283-011-0530ND
2017-07-192283-015-0830ND
2017-07-192283-014-0730ND
2017-07-262283-021-0700ND
2017-07-262283-006-0900ND
2017-07-262283-007-0930ND
2017-08-022283-001-0700ND
2017-08-022283-004-0815ND
2018-07-122283-006-0930ND
2018-07-122283-021-0700ND
2018-07-172283-010-1100ND
2018-07-172283-008-0715ND
2018-07-172283-005-0830ND
2018-07-172283-009-1015ND
2018-07-242283-015-0900ND
2018-07-242283-011-0635ND
2018-07-242283-013-0720ND
2018-07-242283-014-0800ND
2018-07-312283-002-0530ND
2018-07-312283-004-0830ND
2018-08-072283-023-0945ND
2018-08-142283-020-0730ND
2018-08-212283-024-0635ND
2019-07-102283-001-1015ND
2019-07-102283-004-1100ND
2019-07-102283-002-0915ND
2019-07-172283-010-0800ND
2019-07-172283-005-0745ND
2019-07-172283-009-0900ND
2019-07-172283-008-0830ND
2019-07-242283-014-0900ND
2019-07-242283-013-0930ND
2019-07-242283-011-0830ND
2019-07-242283-015-1000ND
2019-07-312283-007-0900ND
2019-07-312283-006-1000ND
2019-07-312283-021-0945ND
2019-08-072283-024-0730ND
2019-08-072283-023-0800ND
2019-08-142283-009-0830ND
2019-08-142283-020-0830ND