Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chloromethane

Hornell City

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.

 

150

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND130ND
2015ND370ND
2016ND590ND
2017ND190ND
2018ND80ND
2019ND140ND

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
2014-03-12POC-1403848-008AND
2014-05-1414052627-003AND
2014-05-1414052627-004AND
2014-07-23POC-S4G2328-01ND
2014-07-23POC-S4G2328-02ND
2014-08-13POC-S4H1492-04ND
2014-08-13POC-S4H1492-05ND
2014-09-10A&C-S4I1157-04ND
2014-11-12POC-S4K1037-04ND
2014-11-12POC-S4K1037-05ND
2014-11-12POC-S4K1037-03ND
2014-12-10POC-S4L0988-03ND
2014-12-10POC-S4L0988-04ND
2015-01-13POC-S5A1020-03ND
2015-01-13POC-S5A1020-04ND
2015-01-13POC-S5A1020-05ND
2015-02-10POC-S5B0964-01ND
2015-02-10POC-S5B0964-02ND
2015-02-10POC-S5B0964-03ND
2015-03-18POC-S5C1395-02ND
2015-03-18POC-S5C1395-03ND
2015-03-18POC-S5C1395-01ND
2015-04-15POC-S5D0994-01ND
2015-04-15POC-S5D0994-03ND
2015-04-15POC-S5D0977-03ND
2015-04-15POC-S5D0994-02ND
2015-05-13POC-S5E1246-03ND
2015-05-13POC-S5E1246-01ND
2015-05-13POC-S5E1246-02ND
2015-06-10POC-S5F1583-01ND
2015-06-10POC-S5F1583-02ND
2015-06-10POC-S5F1583-03ND
2015-07-08POC-S5G1424-01ND
2015-07-08POC-S5G1424-03ND
2015-07-08POC-S5G1424-02ND
2015-08-12POC-S5H0995-03ND
2015-08-12POC-S5H0995-02ND
2015-08-12POC-S5H0995-01ND
2015-09-09POC-S5I0818-03ND
2015-09-09POC-S5I0818-02ND
2015-09-09POC-S5I0818-01ND
2015-10-14POC-S5J1155-01ND
2015-10-14POC-S5J1155-03ND
2015-10-14POC-S5J1155-02ND
2015-11-10POC-S5K0884-03ND
2015-11-10POC-S5K0884-01ND
2015-11-10POC-S5K0884-02ND
2015-12-09POC-S5L0661-01ND
2015-12-09POC-S5L0661-03ND
2015-12-09POC-S5L066102ND
2016-01-13POC-S6A0422-02ND
2016-01-13POC-S6A0422-03ND
2016-01-13POC-S6A0422-01ND
2016-02-10POC-S6B0492-03ND
2016-02-10POC-S6B0492-01ND
2016-02-10POC-S6B0492-02ND
2016-03-09POCSS6C0479-01ND
2016-03-09POCSS6C0479-03ND
2016-03-09POCSS6C0479-02ND
2016-04-13POCSS6D0498-03ND
2016-04-13POC-S6D0498-04ND
2016-04-13POCSS6D0498-002ND
2016-04-13VOCS6D0498-01ND
2016-04-13POC-S6D0498-03ND
2016-04-13POCS6D0498-04ND
2016-04-13POC-S6D0498-01ND
2016-04-13POC-S6D0498-02ND
2016-05-11POCSS6E0546-01ND
2016-05-11POCSS6E0546-02ND
2016-05-11POCSS6E0546-03ND
2016-06-08POC-S6F0403-02ND
2016-06-08POCF0403-03-06/1ND
2016-06-08POC-S6F0403-01ND
2016-06-08POC-S6F0403-03ND
2016-06-08POCF0403-02-06/1ND
2016-06-08POCF0403-01-06/1ND
2016-07-13POCG0447-01-07/1ND
2016-07-13POC-G0447-03-07/ND
2016-07-13POCG0447-02-07/1ND
2016-08-10POCH0473-01-08/1ND
2016-08-10POCH0473-04-08/1ND
2016-08-10POCH0473-06-08/1ND
2016-08-10POCH0473-05-08/1ND
2016-08-10POCH0473-03-08/1ND
2016-08-10POCH0473-02-08/1ND
2016-09-14POCI0517-06-09/1ND
2016-09-14POCI0517-02-09/1ND
2016-09-14POCI0517-04-09/1ND
2016-09-14POCI0517-03-09/1ND
2016-09-14POCI0517-05-09/1ND
2016-09-14POCI0517-01-09/1ND
2016-10-12POCJ0760-06-10/1ND
2016-10-12POCJ0670-03-10/1ND
2016-10-12POCJ0760-05-10/1ND
2016-10-12POCJ0760-04-10/1ND
2016-10-12POCJ0760-02-10/1ND
2016-10-12POCJ0760-01-10/1ND
2016-11-17POCK1009-06-11/1ND
2016-11-17POCK1009-04-11/1ND
2016-11-17POCK1009-01-11/1ND
2016-11-17POCK1009-03-11/1ND
2016-11-17POCK1009-05-11/1ND
2016-11-17POCK1009-02-11/1ND
2016-12-14POCL0917-03-12/1ND
2016-12-14POCL0917-04-12/1ND
2016-12-14POCL0917-05-12/1ND
2016-12-14POCL0917-02-12/1ND
2016-12-14POCL0917-01-12/1ND
2016-12-14POCL0917-06-12/1ND
2017-01-11POCA0728-02-01/1ND
2017-01-11POCA0728-04-01/1ND
2017-01-11POCA0728-05-01/1ND
2017-01-11POCA0728-01-01/1ND
2017-01-11POCA0728-03-01/1ND
2017-01-11POCA0728-06-01/1ND
2017-04-12POCD0871-03004/1ND
2017-04-12POCD0871-01-04/1ND
2017-04-12POCD0871-02-04/1ND
2017-04-12POCD0857-02-04/1ND
2017-04-12POCD0871-04-04/1ND
2017-04-12POCD0871-05-04/1ND
2017-04-12POCD0871-06-04/1ND
2017-07-12POCG1192-04-07/1ND
2017-07-12POCG1192-06-07/1ND
2017-07-12POCG1192-05-07/1ND
2017-07-12POCG1192-03-07/1ND
2017-07-12POCG1192-02-07/1ND
2017-07-12POCG1192-01-07/1ND
2018-03-14J8C0887-01ND
2018-07-11S8G0194-03POCSND
2018-07-11S8G0194-02POCSND
2018-07-11S8G0194-01POCSND
2018-08-08S8H0148-02POCSND
2018-08-08S8H0148-01POCSND
2018-10-10S8J0142-02POCSND
2018-10-10S8J0142-01POCSND
2019-03-13S9C0185-03POCSND
2019-03-13S9C0185-04POCSND
2019-03-13S9C0185-02POCSND
2019-03-13S9C0185-01POCSND
2019-07-10S9G0241-03POCSND
2019-07-10S9G0241-01POCSND
2019-07-10S9G0241-02POCSND
2019-07-10S9G0241-03POCSX2ND
2019-08-14S9H0143-02POCSND
2019-08-14S9H0143-01POCSND
2019-08-14S9H0143-03POCSND
2019-08-14S9H0143-04POCSND
2019-10-09S9J0146-02POCSND
2019-10-09S9J0146-03POCSND