Hexachlorocyclopentadiene

Saraland Water Service

Hexachlorocyclopentadiene was historically used for the manufacture of currently banned pesticides, such as endrin, dieldrin and chlordane. It’s still used for production of flame retardants, resins and plastics.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	N/A	0	N/A
2014	N/A	0	N/A
2015	N/A	0	N/A
2016	ND	8	ND
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	ND	14	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 2 ppb

The EWG Health Guideline of 2 ppb for hexachlorocyclopentadiene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL) 50 ppb

The legal limit for hexachlorocyclopentadiene, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date	Lab ID	Result
2016-03-15	160316039-1	ND
2016-03-15	160316039-2	ND
2016-03-15	160316039-3	ND
2016-06-16	160617015-1	ND
2016-06-16	160617015-3	ND
2016-06-16	160617015-4	ND
2016-06-16	160617015-2	ND
2016-09-15	160916014-001	ND
2019-03-13	19030450-001B	ND
2019-03-13	19030450-002B	ND
2019-03-13	19030450-003B	ND
2019-06-04	20106618002_ISOC	ND
2019-06-04	20106618001_ISOC	ND
2019-07-30	20114823002_ISOC	ND
2019-07-30	20114823002_ISOC	ND
2019-07-30	20114823001_ISOC	ND
2019-07-30	20114823002_ISOC	ND
2019-07-30	20114823003_ISOC	ND
2019-07-30	20114823001_ISOC	ND
2019-07-30	20114823003_ISOC	ND
2019-07-30	20114823001_ISOC	ND
2019-07-30	20114823003_ISOC	ND