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EWG's Tap Water Database — 2021 UPDATE

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1,1-Dichloroethylene

City of Broussard Highway 90 Water System

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

MORE ABOUT THIS CONTAMINANT

 

146

Samples

22

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20143.65 ppb2412ND - 9.98 ppb
20155.43 ppb2818ND - 13.4 ppb
20163.19 ppb1812ND - 6.90 ppb
20173.63 ppb2416ND - 8.10 ppb
20182.79 ppb2812ND - 9.60 ppb
20191.42 ppb248ND - 6.10 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-02-17AD890824.53 ppb
2014-02-17AD890824.53 ppb
2014-03-24AD89952ND
2014-03-24AD899539.98 ppb
2014-03-24AD89952ND
2014-03-24AD899539.98 ppb
2014-05-05AD91179ND
2014-05-05AD91180ND
2014-05-05AD91181ND
2014-05-05AD91179ND
2014-05-05AD91180ND
2014-05-05AD91181ND
2014-09-15AD969365.19 ppb
2014-09-15AD969379.27 ppb
2014-09-15AD96938ND
2014-09-15AD969365.19 ppb
2014-09-15AD969379.27 ppb
2014-09-15AD96938ND
2014-11-17AD998095.78 ppb
2014-11-17AD99810ND
2014-11-17AD998119.06 ppb
2014-11-17AD998095.78 ppb
2014-11-17AD99810ND
2014-11-17AD998119.06 ppb
2015-03-23351810160015.50 ppb
2015-03-2335181016002ND
2015-03-23351810160039.30 ppb
2015-03-23351810160015.50 ppb
2015-03-2335181016002ND
2015-03-23351810160039.30 ppb
2015-05-11351880010086.10 ppb
2015-05-1135188001009ND
2015-05-113518800101013.4 ppb
2015-05-11351880010086.10 ppb
2015-05-1135188001009ND
2015-05-113518800101013.4 ppb
2015-09-0135205361016ND
2015-09-013520536101711.7 ppb
2015-09-01352053610187.80 ppb
2015-09-0135205361016ND
2015-09-013520536101711.7 ppb
2015-09-01352053610187.80 ppb
2015-11-09352160720354.60 ppb
2015-11-0935216072036ND
2015-11-09352160720354.60 ppb
2015-11-0935216072036ND
2015-11-3035218949001ND
2015-11-30352189490028.60 ppb
2015-11-30352189490069.00 ppb
2015-11-3035218949001ND
2015-11-30352189490028.60 ppb
2015-11-30352189490069.00 ppb
2016-03-2335235879006ND
2016-03-23352358790073.60 ppb
2016-03-23352358790086.90 ppb
2016-03-2335235879006ND
2016-03-23352358790073.60 ppb
2016-03-23352358790086.90 ppb
2016-06-07352485300063.80 ppb
2016-06-0735248530007ND
2016-06-07352485300086.30 ppb
2016-06-07352485300063.80 ppb
2016-06-0735248530007ND
2016-06-07352485300086.30 ppb
2016-11-01352749580032.90 ppb
2016-11-0135274958004ND
2016-11-01352749580055.20 ppb
2016-11-01352749580032.90 ppb
2016-11-0135274958004ND
2016-11-01352749580055.20 ppb
2017-03-03352991270036.10 ppb
2017-03-03352991270044.20 ppb
2017-03-0335299127005ND
2017-03-03352991270036.10 ppb
2017-03-03352991270044.20 ppb
2017-03-0335299127005ND
2017-05-16353145540263.90 ppb
2017-05-1635314554027ND
2017-05-16353145540286.80 ppb
2017-05-16353145540263.90 ppb
2017-05-1635314554027ND
2017-05-16353145540286.80 ppb
2017-10-2735345001001ND
2017-10-27353450010026.00 ppb
2017-10-27353450010033.10 ppb
2017-10-2735345001001ND
2017-10-27353450010026.00 ppb
2017-10-27353450010033.10 ppb
2017-11-1435348983001ND
2017-11-14353489830028.10 ppb
2017-11-14353489830035.30 ppb
2017-11-1435348983001ND
2017-11-14353489830028.10 ppb
2017-11-14353489830035.30 ppb
2018-02-15353771780017.00 ppb
2018-02-1535377178002ND
2018-02-15353771780036.70 ppb
2018-02-15353771780017.00 ppb
2018-02-1535377178002ND
2018-02-15353771780036.70 ppb
2018-04-19353876300013.10 ppb
2018-04-1935387630002ND
2018-04-1935387630003ND
2018-04-19353876300013.10 ppb
2018-04-1935387630002ND
2018-04-1935387630003ND
2018-06-12353983530015.80 ppb
2018-06-1235398353002ND
2018-06-12353983530015.80 ppb
2018-06-1235398353002ND
2018-08-0635409352001ND
2018-08-0635409352002ND
2018-08-06354093520039.60 ppb
2018-08-0635409352001ND
2018-08-0635409352002ND
2018-08-06354093520039.60 ppb
2018-11-1435431268001ND
2018-11-1435431268002ND
2018-11-14354312680036.90 ppb
2018-11-1435431268001ND
2018-11-1435431268002ND
2018-11-14354312680036.90 ppb
2019-02-0635447217001ND
2019-02-06354472170025.60 ppb
2019-02-06354472170030.380 ppb
2019-02-0635447217001ND
2019-02-06354472170025.60 ppb
2019-02-06354472170030.380 ppb
2019-05-2935471611001ND
2019-05-2935471611002ND
2019-05-2935471611003ND
2019-05-2935471611001ND
2019-05-2935471611002ND
2019-05-2935471611003ND
2019-08-2935494309001ND
2019-08-2935494309002ND
2019-08-29354943090035.00 ppb
2019-08-2935494309001ND
2019-08-2935494309002ND
2019-08-29354943090035.00 ppb
2019-11-1935514171001ND
2019-11-19355141710026.10 ppb
2019-11-1935514171003ND
2019-11-1935514171001ND
2019-11-19355141710026.10 ppb
2019-11-1935514171003ND