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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Coachella Valley Water District: I.d. No. 8

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015N/A00N/A
2016ND30ND
2017N/A00N/A
2018N/A00N/A
2019ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-014790-001-0942ND
2014-07-294790-004-0920ND
2014-07-294790-007-0932ND
2016-03-239590-001-1150ND
2016-03-239590-004-1211ND
2016-03-239590-007-1130ND
2019-05-149590-007-1030ND
2019-05-159590-004-0800ND
2019-11-269590-014-0930ND