Know Your Environment. Protect Your Health.

Chloromethane

Cook Springs Water Authority

NOTE: Cook Springs Water Authority purchases water from Odenville which is required to test for chloromethane. Sample information shown below was taken by Odenville.

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.

 

68

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND70ND
2015ND70ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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

NOTE: Cook Springs Water Authority purchases water from Odenville which is required to test for chloromethane. Sample information shown below was taken by Odenville.

Date Lab ID Result
2014-09-1835155887003AMND
2014-09-1835155887005AMND
2014-09-1835155887001AMND
2014-09-1835155887013AMND
2014-09-1835155887011AMND
2014-09-1835155887007AMND
2014-09-1835155887009AMND
2015-03-1035178882005AMND
2015-03-1035178882001AMND
2015-03-1035178882013AMND
2015-03-1035178882017AMND
2015-03-1035178882009AMND
2015-04-2135185209001AMND
2015-04-2135185209003AMND
2018-02-121802-00225-4ND
2018-02-121802-00225-7ND
2018-02-231802-00412-2ND
2018-04-021804-00026-12AND
2018-04-021804-00026-16AND
2018-08-141808-00215-004ND
2018-08-141808-00215-007ND
2018-11-151811-00326-003ND
2018-11-151811-00326-006ND
2018-11-151811-00326-008ND
2019-02-111902-00119-003ND
2019-02-111902-00119-006ND
2019-02-111902-00119-010ND
2019-05-131905-00211-014ND
2019-05-131905-00211-018ND
2019-08-151908-00227-008ND
2019-08-151908-00227-005ND
2019-11-121911-00174-001ND
2019-11-121911-00174-002ND
2019-11-121911-00174-004ND
2019-11-121911-00174-006ND
2019-11-121911-00174-009ND
2019-11-121911-00174-012ND
2019-11-121911-0074-005ND
2020-02-122002-00224-004ND
2020-02-122002-00224-009ND
2020-02-122002-00224-012ND
2020-05-112005-00172-010ND
2020-05-112005-00172-014ND
2020-08-102008-00136-011AND
2020-08-102008-00136-008AND
2020-10-202010-00131-001AND
2020-10-202010-00313-004AND
2020-10-202010-00313-007AND
2021-02-082102-00117-001AND
2021-02-082102-00117-004AND
2021-02-082102-00117-007BND
2021-05-102105-00143-010AND
2021-05-102105-00143-014AND
2021-08-112108-00215-004ND
2021-08-112108-00215-007ND
2022-01-112201-00155-003ND
2022-01-112201-00155-001ND
2022-01-112201-00155-006ND
2022-08-182208-00379-003ND
2022-11-142211-00276-002ND
2022-11-142211-00276-001ND
2022-11-142211-00276-004ND
2022-11-142211-00276-003ND
2023-02-132302-00274-007ND
2023-02-132302-00274-003ND
2023-08-152308-00319-006ND
2023-11-162311-00366-002ND
2023-11-162311-00366-001ND