Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Upper Hanover Water Authority

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.533 ppb64ND - 0.800 ppb
20190.540 ppb53ND - 1.000 ppb
20200.511 ppb95ND - 1.000 ppb
20210.170 ppb102ND - 0.900 ppb
2022ND130ND
2023ND70ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-308001978-010.800 ppb
2018-04-258008140-010.800 ppb
2018-07-178017906-010.800 ppb
2018-07-258019752-01ND
2018-07-258019752-02ND
2018-10-108028641-010.800 ppb
2019-01-238038660-010.800 ppb
2019-05-079009685-011.000 ppb
2019-08-218038658-01ND
2019-09-249034252-01ND
2019-12-119033962-010.900 ppb
2020-03-1821847899.001.000 ppb
2020-03-2021847934.001.000 ppb
2020-03-2021847933.00ND
2020-04-2822024175.000.900 ppb
2020-04-2822024174.00ND
2020-06-2422417309.00ND
2020-07-0122417310.000.900 ppb
2020-10-0623183414.000.800 ppb
2020-11-2023362971.00ND
2021-03-1624061102.00ND
2021-03-1924061103.000.800 ppb
2021-04-2124248448.00ND
2021-04-3024248600.00ND
2021-07-0624829859.00ND
2021-07-0924830012.00ND
2021-10-0525405593.000.900 ppb
2021-10-2925405750.00ND
2021-12-2925765028.00ND
2021-12-2925765007.00ND
2022-02-0125943625.00ND
2022-02-0125943624.00ND
2022-02-0125943626.00ND
2022-02-2326118551.00ND
2022-02-2326118552.00ND
2022-05-0526649370.00ND
2022-05-0626649371.00ND
2022-06-0226649548.00ND
2022-06-0326649549.00ND
2022-07-0727037989.00ND
2022-07-0827037990.00ND
2022-12-0127999418.00ND
2022-12-0227999419.00ND
2023-01-0428173532.00ND
2023-04-1028703172.00ND
2023-04-1128703171.00ND
2023-04-1128703170.00ND
2023-07-0329302593.00ND
2023-10-0329700867.00ND
2023-11-2830246504.00ND