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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 3.65 ppb | 24 | 12 | ND - 9.98 ppb |
2015 | 5.43 ppb | 28 | 18 | ND - 13.4 ppb |
2016 | 3.19 ppb | 18 | 12 | ND - 6.90 ppb |
2017 | 3.63 ppb | 24 | 16 | ND - 8.10 ppb |
2018 | 2.79 ppb | 28 | 12 | ND - 9.60 ppb |
2019 | 1.42 ppb | 24 | 8 | ND - 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 |
---|---|---|
2014-02-17 | AD89082 | 4.53 ppb |
2014-02-17 | AD89082 | 4.53 ppb |
2014-03-24 | AD89952 | ND |
2014-03-24 | AD89953 | 9.98 ppb |
2014-03-24 | AD89952 | ND |
2014-03-24 | AD89953 | 9.98 ppb |
2014-05-05 | AD91179 | ND |
2014-05-05 | AD91180 | ND |
2014-05-05 | AD91181 | ND |
2014-05-05 | AD91179 | ND |
2014-05-05 | AD91180 | ND |
2014-05-05 | AD91181 | ND |
2014-09-15 | AD96936 | 5.19 ppb |
2014-09-15 | AD96937 | 9.27 ppb |
2014-09-15 | AD96938 | ND |
2014-09-15 | AD96936 | 5.19 ppb |
2014-09-15 | AD96937 | 9.27 ppb |
2014-09-15 | AD96938 | ND |
2014-11-17 | AD99809 | 5.78 ppb |
2014-11-17 | AD99810 | ND |
2014-11-17 | AD99811 | 9.06 ppb |
2014-11-17 | AD99809 | 5.78 ppb |
2014-11-17 | AD99810 | ND |
2014-11-17 | AD99811 | 9.06 ppb |
2015-03-23 | 35181016001 | 5.50 ppb |
2015-03-23 | 35181016002 | ND |
2015-03-23 | 35181016003 | 9.30 ppb |
2015-03-23 | 35181016001 | 5.50 ppb |
2015-03-23 | 35181016002 | ND |
2015-03-23 | 35181016003 | 9.30 ppb |
2015-05-11 | 35188001008 | 6.10 ppb |
2015-05-11 | 35188001009 | ND |
2015-05-11 | 35188001010 | 13.4 ppb |
2015-05-11 | 35188001008 | 6.10 ppb |
2015-05-11 | 35188001009 | ND |
2015-05-11 | 35188001010 | 13.4 ppb |
2015-09-01 | 35205361016 | ND |
2015-09-01 | 35205361017 | 11.7 ppb |
2015-09-01 | 35205361018 | 7.80 ppb |
2015-09-01 | 35205361016 | ND |
2015-09-01 | 35205361017 | 11.7 ppb |
2015-09-01 | 35205361018 | 7.80 ppb |
2015-11-09 | 35216072035 | 4.60 ppb |
2015-11-09 | 35216072036 | ND |
2015-11-09 | 35216072035 | 4.60 ppb |
2015-11-09 | 35216072036 | ND |
2015-11-30 | 35218949001 | ND |
2015-11-30 | 35218949002 | 8.60 ppb |
2015-11-30 | 35218949006 | 9.00 ppb |
2015-11-30 | 35218949001 | ND |
2015-11-30 | 35218949002 | 8.60 ppb |
2015-11-30 | 35218949006 | 9.00 ppb |
2016-03-23 | 35235879006 | ND |
2016-03-23 | 35235879007 | 3.60 ppb |
2016-03-23 | 35235879008 | 6.90 ppb |
2016-03-23 | 35235879006 | ND |
2016-03-23 | 35235879007 | 3.60 ppb |
2016-03-23 | 35235879008 | 6.90 ppb |
2016-06-07 | 35248530006 | 3.80 ppb |
2016-06-07 | 35248530007 | ND |
2016-06-07 | 35248530008 | 6.30 ppb |
2016-06-07 | 35248530006 | 3.80 ppb |
2016-06-07 | 35248530007 | ND |
2016-06-07 | 35248530008 | 6.30 ppb |
2016-11-01 | 35274958003 | 2.90 ppb |
2016-11-01 | 35274958004 | ND |
2016-11-01 | 35274958005 | 5.20 ppb |
2016-11-01 | 35274958003 | 2.90 ppb |
2016-11-01 | 35274958004 | ND |
2016-11-01 | 35274958005 | 5.20 ppb |
2017-03-03 | 35299127003 | 6.10 ppb |
2017-03-03 | 35299127004 | 4.20 ppb |
2017-03-03 | 35299127005 | ND |
2017-03-03 | 35299127003 | 6.10 ppb |
2017-03-03 | 35299127004 | 4.20 ppb |
2017-03-03 | 35299127005 | ND |
2017-05-16 | 35314554026 | 3.90 ppb |
2017-05-16 | 35314554027 | ND |
2017-05-16 | 35314554028 | 6.80 ppb |
2017-05-16 | 35314554026 | 3.90 ppb |
2017-05-16 | 35314554027 | ND |
2017-05-16 | 35314554028 | 6.80 ppb |
2017-10-27 | 35345001001 | ND |
2017-10-27 | 35345001002 | 6.00 ppb |
2017-10-27 | 35345001003 | 3.10 ppb |
2017-10-27 | 35345001001 | ND |
2017-10-27 | 35345001002 | 6.00 ppb |
2017-10-27 | 35345001003 | 3.10 ppb |
2017-11-14 | 35348983001 | ND |
2017-11-14 | 35348983002 | 8.10 ppb |
2017-11-14 | 35348983003 | 5.30 ppb |
2017-11-14 | 35348983001 | ND |
2017-11-14 | 35348983002 | 8.10 ppb |
2017-11-14 | 35348983003 | 5.30 ppb |
2018-02-15 | 35377178001 | 7.00 ppb |
2018-02-15 | 35377178002 | ND |
2018-02-15 | 35377178003 | 6.70 ppb |
2018-02-15 | 35377178001 | 7.00 ppb |
2018-02-15 | 35377178002 | ND |
2018-02-15 | 35377178003 | 6.70 ppb |
2018-04-19 | 35387630001 | 3.10 ppb |
2018-04-19 | 35387630002 | ND |
2018-04-19 | 35387630003 | ND |
2018-04-19 | 35387630001 | 3.10 ppb |
2018-04-19 | 35387630002 | ND |
2018-04-19 | 35387630003 | ND |
2018-06-12 | 35398353001 | 5.80 ppb |
2018-06-12 | 35398353002 | ND |
2018-06-12 | 35398353001 | 5.80 ppb |
2018-06-12 | 35398353002 | ND |
2018-08-06 | 35409352001 | ND |
2018-08-06 | 35409352002 | ND |
2018-08-06 | 35409352003 | 9.60 ppb |
2018-08-06 | 35409352001 | ND |
2018-08-06 | 35409352002 | ND |
2018-08-06 | 35409352003 | 9.60 ppb |
2018-11-14 | 35431268001 | ND |
2018-11-14 | 35431268002 | ND |
2018-11-14 | 35431268003 | 6.90 ppb |
2018-11-14 | 35431268001 | ND |
2018-11-14 | 35431268002 | ND |
2018-11-14 | 35431268003 | 6.90 ppb |
2019-02-06 | 35447217001 | ND |
2019-02-06 | 35447217002 | 5.60 ppb |
2019-02-06 | 35447217003 | 0.380 ppb |
2019-02-06 | 35447217001 | ND |
2019-02-06 | 35447217002 | 5.60 ppb |
2019-02-06 | 35447217003 | 0.380 ppb |
2019-05-29 | 35471611001 | ND |
2019-05-29 | 35471611002 | ND |
2019-05-29 | 35471611003 | ND |
2019-05-29 | 35471611001 | ND |
2019-05-29 | 35471611002 | ND |
2019-05-29 | 35471611003 | ND |
2019-08-29 | 35494309001 | ND |
2019-08-29 | 35494309002 | ND |
2019-08-29 | 35494309003 | 5.00 ppb |
2019-08-29 | 35494309001 | ND |
2019-08-29 | 35494309002 | ND |
2019-08-29 | 35494309003 | 5.00 ppb |
2019-11-19 | 35514171001 | ND |
2019-11-19 | 35514171002 | 6.10 ppb |
2019-11-19 | 35514171003 | ND |
2019-11-19 | 35514171001 | ND |
2019-11-19 | 35514171002 | 6.10 ppb |
2019-11-19 | 35514171003 | ND |