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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Cedarpines Park Mutual Water Company

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND10ND
2017ND130ND
2018ND20ND
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
2014-06-053761-008-0700ND
2016-01-193761-018-0800ND
2017-02-013761-014-1245ND
2017-02-013761-027-1205ND
2017-02-013761-020-1200ND
2017-02-013761-019-1150ND
2017-02-013761-018-1255ND
2017-02-013761-016-1230ND
2017-02-013761-015-1226ND
2017-02-013761-013-1247ND
2017-02-013761-012-1224ND
2017-02-013761-008-1305ND
2017-07-253761-008-0800ND
2017-10-163761-009-1030ND
2017-10-163761-007-1012ND
2018-03-273761-009-0950ND
2018-03-273761-007-0945ND
2019-03-193761-008-1035ND
2019-09-303761-003-0900ND
2019-09-303761-017-0815ND