Hexachlorobutadiene

City of Crowley

NOTE: City of Crowley purchases water from City of Fort Worth which is required to test for hexachlorobutadiene. Sample information shown below was taken by City of Fort Worth.

Hexachlorobutadiene is an industrial chemical and possible human carcinogen.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	3	ND
2015	ND	7	ND
2016	ND	5	ND
2017	ND	3	ND
2018	ND	5	ND
2019	ND	7	ND

ppb = parts per billion

All test results

NOTE: City of Crowley purchases water from City of Fort Worth which is required to test for hexachlorobutadiene. Sample information shown below was taken by City of Fort Worth.

Date	Lab ID	Result
2014-01-15	Q1401044002	ND
2014-04-23	Q1412967001	ND
2014-07-23	Q1430620017	ND
2014-07-23	Q1430620016	ND
2014-07-23	Q1430620020	ND
2015-01-28	Q1503441002	ND
2015-07-22	Q1528384017	ND
2015-07-22	Q1528384013	ND
2015-07-22	Q1528384014	ND
2015-07-22	Q1528384019	ND
2016-02-17	Q1607005023	ND
2016-07-20	Q1629547017	ND
2016-07-20	Q1629547006	ND
2016-07-20	Q1629547004	ND
2016-09-28	Q1640981001	ND
2016-10-19	Q1644729014	ND
2017-02-22	Q1707727023	ND
2017-04-26	Q1717031002	ND
2017-07-26	Q1730775002	ND
2017-07-26	Q1730775009	ND
2017-08-02	Q1732335003	ND
2017-08-02	Q1732335002	ND
2018-01-24	Q1802705003	ND
2018-07-25	Q1829430002	ND
2018-07-25	Q1829430003	ND
2018-09-12	Q1836536002	ND
2018-09-12	Q1836536004	ND
2019-01-23	Q1903345002	ND
2019-04-24	Q1916570019	ND
2019-07-24	Q1947967022	ND
2019-07-24	Q1947967001	ND
2019-07-24	Q1947967006	ND
2019-07-24	Q1947967004	ND
2019-10-23	Q1973436017	ND