Chloromethane

East Orange Water Commission

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

MORE ABOUT THIS CONTAMINANT

201

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	6	ND
2014	ND	138	ND
2015	ND	53	ND
2016	ND	4	ND
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 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane 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
2013-03-27	201303280358AM	ND
2013-03-27	201303280326AM	ND
2013-06-24	201306250219AM	ND
2013-09-24	201309250185AM	ND
2013-09-24	201309250054AM	ND
2013-12-19	201312200193AM	ND
2014-01-07	24913-1	ND
2014-01-09	24970-1	ND
2014-01-09	24970-2	ND
2014-01-14	25006-1	ND
2014-01-21	25140-1	ND
2014-01-28	25218-1	ND
2014-01-31	25276-1	ND
2014-01-31	25276-2	ND
2014-01-31	25276-5	ND
2014-01-31	25276-3	ND
2014-01-31	25276-4	ND
2014-02-06	25316-1	ND
2014-02-07	25337-1	ND
2014-02-07	25337-2	ND
2014-02-11	25394-1	ND
2014-02-18	25484-1	ND
2014-02-21	25559-2	ND
2014-02-21	25559-1	ND
2014-02-21	25559-3	ND
2014-02-21	25559-5	ND
2014-02-21	25559-4	ND
2014-02-25	25576-1	ND
2014-03-04	25672-1	ND
2014-03-06	25737-2	ND
2014-03-06	25737-3	ND
2014-03-06	25737-1	ND
2014-03-11	25775-1	ND
2014-03-13	25847-2	ND
2014-03-13	25847-1	ND
2014-03-14	25864-3	ND
2014-03-14	25864-4	ND
2014-03-14	25864-2	ND
2014-03-14	25864-1	ND
2014-03-18	25881-1	ND
2014-03-25	26003-1	ND
2014-03-25	26002-2	ND
2014-03-25	26002-3	ND
2014-03-25	26002-1	ND
2014-04-02	26091-1	ND
2014-04-10	26219-1	ND
2014-04-11	26230-1	ND
2014-04-15	26276-1	ND
2014-04-17	26318-2	ND
2014-04-17	26318-1	ND
2014-04-17	26317-1	ND
2014-04-17	26318-3	ND
2014-04-17	26318-4	ND
2014-04-17	26318-5	ND
2014-04-22	26360-1	ND
2014-04-24	26411-2	ND
2014-04-24	26411-1	ND
2014-04-29	26464-1	ND
2014-05-07	26577-1	ND
2014-05-08	26615-2	ND
2014-05-08	26615-1	ND
2014-05-08	26615-3	ND
2014-05-08	26615-4	ND
2014-05-08	26615-5	ND
2014-05-13	26667-1	ND
2014-05-14	26681-1	ND
2014-05-19	26759-1	ND
2014-05-21	26792-1	ND
2014-05-22	26819-4	ND
2014-05-22	26819-1	ND
2014-05-22	26819-2	ND
2014-05-22	26819-3	ND
2014-05-27	26878-1	ND
2014-06-09	27071-1	ND
2014-06-10	27079-1	ND
2014-06-10	27097-1	ND
2014-06-11	27122-1	ND
2014-06-12	27158-1	ND
2014-06-12	27158-2	ND
2014-06-12	27158-3	ND
2014-06-12	27158-4	ND
2014-06-12	27158-5	ND
2014-06-17	27241-1	ND
2014-06-19	27330-1	ND
2014-06-19	27331-1	ND
2014-06-19	27331-2	ND
2014-06-20	27346-1	ND
2014-06-20	27371-1	ND
2014-06-20	27371-2	ND
2014-06-24	27397-1	ND
2014-06-30	27523-1	ND
2014-07-10	27714-1	ND
2014-07-10	27713-1	ND
2014-07-10	27713-2	ND
2014-07-10	27713-3	ND
2014-07-15	27777-1	ND
2014-07-23	27976-1	ND
2014-07-28	28019-1	ND
2014-07-30	28095-1	ND
2014-07-31	28096-1	ND
2014-08-04	28121-1	ND
2014-08-05	28147-1	ND
2014-08-06	DWS031-1	ND
2014-08-06	DWS032-1	ND
2014-08-06	DWS033-1	ND
2014-08-12	28234-1	ND
2014-08-19	28458-1	ND
2014-08-26	28543-1	ND
2014-08-27	28573-1	ND
2014-08-27	28573-2	ND
2014-08-27	28573-3	ND
2014-09-02	28651-1	ND
2014-09-08	28701-2	ND
2014-09-08	28701-1	ND
2014-09-10	28778-1	ND
2014-09-10	28777-1	ND
2014-09-12	28836-1	ND
2014-09-12	28835-1	ND
2014-09-15	28859-1	ND
2014-09-17	28911-1	ND
2014-09-18	28912-1	ND
2014-09-23	29005-1	ND
2014-10-07	29281-1	ND
2014-10-14	29393-1	ND
2014-10-21	29490-1	ND
2014-10-22	29541-1	ND
2014-10-23	29543-1	ND
2014-10-24	29585-1	ND
2014-10-27	29600-1	ND
2014-10-28	29598-1	ND
2014-10-28	29599-1	ND
2014-11-03	29679-1	ND
2014-11-10	29769-1	ND
2014-11-10	29768-1	ND
2014-11-14	29897-1	ND
2014-11-17	29909-1	ND
2014-11-19	29963-1	ND
2014-11-24	30038-1	ND
2014-12-02	30114-1	ND
2014-12-09	30243-1	ND
2014-12-16	30355-1	ND
2014-12-23	30475-1	ND
2014-12-30	30555-1	ND
2014-12-30	30556-1	ND
2015-01-06	30599-1	ND
2015-01-07	30666-1	ND
2015-01-13	30753-1	ND
2015-01-13	30754-1	ND
2015-01-15	30803-1	ND
2015-01-21	30882-1	ND
2015-01-26	30938-1	ND
2015-02-05	31104-1	ND
2015-02-10	31146-1	ND
2015-02-20	31324-1	ND
2015-02-24	31365-1	ND
2015-03-03	31492-1	ND
2015-03-05	31545-2	ND
2015-03-05	31545-1	ND
2015-03-10	31593-1	ND
2015-03-20	31784-1	ND
2015-03-24	31820-1	ND
2015-04-01	31924-1	ND
2015-04-07	DWS111-1	ND
2015-04-14	DWS194-1	ND
2015-04-16	DWS240-1	ND
2015-04-21	DWS310-1	ND
2015-04-28	DWS318-1	ND
2015-05-06	DWS466-1	ND
2015-05-13	DWS534-1	ND
2015-05-19	DWS539-1	ND
2015-05-26	DWS627-1	ND
2015-06-02	DWS686-1	ND
2015-06-09	DWS776-1	ND
2015-06-16	DWS862-1	ND
2015-06-20	DWS982-1	ND
2015-06-23	DWS921-1	ND
2015-07-07	DWS1065-1	ND
2015-07-14	DWSC24-1	ND
2015-07-21	DWSC67-1	ND
2015-07-21	DWSC66-1	ND
2015-07-22	DWSC72-1	ND
2015-07-28	DWSC98-1	ND
2015-08-10	DWSC166-1	ND
2015-08-18	DWSC226-1	ND
2015-08-24	DWSC264-1	ND
2015-08-25	DWSC285-1	ND
2015-09-01	DWSC303-1	ND
2015-09-08	DWSC338-1	ND
2015-09-15	DWSC383-1	ND
2015-10-06	DWSC535-1	ND
2015-10-09	DWSC574-1	ND
2015-10-13	DWSC579-1	ND
2015-10-20	DWSC628-1	ND
2015-10-22	DWSC658-1	ND
2015-10-23	DWSC681-1	ND
2015-10-27	DWSC667-1	ND
2015-10-28	DWSC682-1	ND
2016-03-08	6030253-01	ND
2016-03-15	6030466-01	ND
2016-03-23	6030717-01	ND
2016-03-29	6030898-01	ND