Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

City of Idalou

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

49

Samples

18

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.12 ppb76ND - 15.6 ppb
20198.21 ppb75ND - 17.4 ppb
20204.71 ppb85ND - 14.8 ppb
20215.99 ppb74ND - 17.0 ppb
20224.40 ppb108ND - 11.5 ppb
20236.52 ppb109ND - 12.4 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-21Q18114860053.77 ppb
2018-03-21Q18114860013.01 ppb
2018-04-26Q18169400052.76 ppb
2018-04-26Q18169400046.74 ppb
2018-08-02Q18306920013.95 ppb
2018-10-25Q1842795003ND
2018-11-29Q184872700215.6 ppb
2019-01-30Q190447600517.4 ppb
2019-04-10Q1914418002ND
2019-04-10Q1914418004ND
2019-04-10Q191441800713.8 ppb
2019-09-11Q196395000213.2 ppb
2019-09-11Q19639500051.07 ppb
2019-10-31Q197468200112.0 ppb
2020-03-11Q2010310003ND
2020-03-11Q20103100050.880 ppb
2020-03-11Q2010310007ND
2020-06-09Q202312500510.3 ppb
2020-06-09Q20231250070.860 ppb
2020-08-12Q203214700314.8 ppb
2020-08-12Q2032147009ND
2020-11-16Q204487700110.8 ppb
2021-02-23Q21045600018.29 ppb
2021-02-23Q2104560003ND
2021-06-03Q2114442002ND
2021-06-03Q211444200417.0 ppb
2021-08-30Q2123495001ND
2021-08-30Q21234950038.50 ppb
2021-11-18Q21323650018.12 ppb
2022-02-16Q22057040056.66 ppb
2022-02-16Q22057040071.60 ppb
2022-04-28Q22128150041.82 ppb
2022-04-28Q2212815006ND
2022-04-28Q2212815008ND
2022-04-28Q22128150106.63 ppb
2022-08-24Q22251630032.64 ppb
2022-08-24Q222516300511.5 ppb
2022-12-05Q223604300310.1 ppb
2022-12-05Q22360430053.00 ppb
2023-02-15Q230627800410.3 ppb
2023-02-15Q23062780063.24 ppb
2023-04-25Q23155300070.840 ppb
2023-04-25Q231553000911.3 ppb
2023-04-25Q23155300114.09 ppb
2023-07-26Q2329823002ND
2023-07-26Q232982300412.4 ppb
2023-07-26Q23298230066.37 ppb
2023-12-06Q23521550015.51 ppb
2023-12-06Q235215500311.1 ppb