Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Polk City Water Supply

NOTE: Polk City Water Supply purchases water from Des Moines Water Works which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Des Moines Water Works.

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND10ND
2021ND20ND
2022ND30ND
2023ND10ND

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

NOTE: Polk City Water Supply purchases water from Des Moines Water Works which is required to test for 1,1,1-trichloroethane. Sample information shown below was taken by Des Moines Water Works.

Date Lab ID Result
2018-07-09OE680202ND
2018-07-16OE683859ND
2018-10-08OE724008ND
2019-07-09OE831885ND
2019-07-16OE835743ND
2019-08-21OE854920ND
2020-10-12OE1332018ND
2021-07-06OE1748365ND
2021-07-06OE1748381ND
2022-07-05OE2128016ND
2022-07-05OE2128018ND
2022-09-19OE2175664ND
2023-10-16OE2350834ND