1,3-Butadiene

Beaumont Cherry Valley WD

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	ND	13	ND
2014	ND	23	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	N/A	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0103 ppb

The EWG Health Guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date	Lab ID	Result
2013-11-04	B3K0231-15	ND
2013-11-04	B3K0231-05	ND
2013-11-04	B3K0231-07	ND
2013-11-04	B3K0231-21	ND
2013-11-04	B3K0231-09	ND
2013-11-04	B3K0231-03	ND
2013-11-04	B3K0231-11	ND
2013-11-04	B3K0231-23	ND
2013-11-04	B3K0231-13	ND
2013-11-04	B3K0231-19	ND
2013-11-04	B3K0231-01	ND
2013-11-04	B3K0231-17	ND
2013-11-12	B3K1053-01	ND
2014-05-21	B4E2100-07	ND
2014-05-21	B4E2100-11	ND
2014-05-21	B4E2100-15	ND
2014-05-21	B4E2100-05	ND
2014-05-21	B4E2100-13	ND
2014-05-21	B4E2100-01	ND
2014-05-21	B4E2100-03	ND
2014-05-21	B4E2100-09	ND
2014-05-22	B4E2255-13	ND
2014-05-22	B4E2255-05	ND
2014-05-22	B4E2255-03	ND
2014-05-22	B4E2255-11	ND
2014-05-22	B4E2255-09	ND
2014-05-22	B4E2255-01	ND
2014-05-22	B4E2255-07	ND
2014-06-17	B4F1685-03	ND
2014-06-17	B4F1685-01	ND
2014-11-13	B4K1304-11	ND
2014-11-13	B4K1304-09	ND
2014-11-13	B4K1304-05	ND
2014-11-13	B4K1304-03	ND
2014-11-13	B4K1304-01	ND
2014-11-13	B4K1304-07	ND