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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Tulare

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

 

155

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND690ND
20150.310 ppb176ND - 1.20 ppb
2016ND150ND
2017ND110ND
2018ND190ND
2019ND240ND

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
2014-01-22A4A0173-09AND
2014-01-22A4A0159-01AND
2014-01-22A4A0167-01AND
2014-01-22A4A0173-05AND
2014-01-22A4A0167-05AND
2014-01-22A4A0167-09AND
2014-01-22A4A0173-01AND
2014-01-22A4A0159-05AND
2014-01-22A4A0159-09AND
2014-01-23A4A0152-09AND
2014-01-23A4A0174-01AND
2014-01-23A4A0171-09AND
2014-01-23A4A0174-09AND
2014-01-23A4A0174-13AND
2014-01-23A4A0152-01AND
2014-01-23A4A0171-05AND
2014-01-23A4A0171-01AND
2014-01-23A4A0174-05AND
2014-01-23A4A0152-05AND
2014-01-24A4A0175-09AND
2014-01-24A4A0175-13AND
2014-01-24A4A0172-09AND
2014-01-24A4A0175-01AND
2014-01-24A4A0172-01AND
2014-01-24A4A0172-05AND
2014-01-24A4A0161-01AND
2014-01-24A4A0161-05AND
2014-01-24A4A0175-05AND
2014-06-185810-008-0700ND
2014-06-185810-011-0730ND
2014-06-185810-012-0800ND
2014-06-185810-013-0820ND
2014-07-15A4G0620-11AND
2014-07-15A4G0608-11AND
2014-07-15A4G0617-01AND
2014-07-15A4G0608-01AND
2014-07-15A4G0617-11AND
2014-07-15A4G0617-06AND
2014-07-15A4G0620-06AND
2014-07-15A4G0608-06AND
2014-07-15A4G0620-01AND
2014-07-16A4G1353-16AND
2014-07-16A4G1353-11AND
2014-07-16A4G1343-01AND
2014-07-16A4G1353-01AND
2014-07-16A4G1349-01AND
2014-07-16A4G1353-06AND
2014-07-16A4G1349-06AND
2014-07-16A4G1343-11AND
2014-07-17A4G1388-11AND
2014-07-17A4G1388-16AND
2014-07-17A4G1388-01AND
2014-07-17A4G1382-11AND
2014-07-17A4G1382-06AND
2014-07-17A4G1382-01AND
2014-07-17A4G1363-06AND
2014-07-17A4G1388-06AND
2014-07-17A4G1343-06AND
2014-07-17A4G1363-01AND
2014-08-285810-001-0840ND
2014-08-285810-002-0730ND
2014-08-285810-014-0645ND
2014-08-285810-015-0755ND
2014-08-285810-017-0715ND
2014-08-285810-047-0845ND
2014-12-105810-025-1025ND
2014-12-105810-026-1120ND
2014-12-105810-033-0800ND
2014-12-105810-048-0915ND
2015-06-265810-001-1130ND
2015-06-265810-002-0740ND
2015-06-265810-008-0845ND
2015-06-265810-012-1015ND
2015-09-175810-012-08301.10 ppb
2015-09-175810-013-07151.20 ppb
2015-09-175810-015-06300.930 ppb
2015-09-175810-017-09400.740 ppb
2015-09-175810-025-11150.760 ppb
2015-09-175810-048-10200.540 ppb
2015-12-155810-026-0850ND
2015-12-155810-047-0950ND
2015-12-155810-051-0820ND
2015-12-155810-052-0815ND
2015-12-155810-055-0855ND
2015-12-155810-056-0830ND
2015-12-155810-057-0905ND
2016-06-165810-014-0840ND
2016-06-165810-019-0750ND
2016-06-165810-021-0840ND
2016-06-165810-022-0840ND
2016-06-165810-069-0705ND
2016-06-245810-025-0845ND
2016-07-115810-061-1110ND
2016-08-255810-011-0700ND
2016-09-155810-026-0735ND
2016-09-155810-047-1045ND
2016-09-155810-061-0955ND
2016-09-155810-065-0748ND
2016-09-155810-069-0850ND
2016-12-205810-033-1040ND
2016-12-205810-067-0730ND
2017-05-185810-073-1200ND
2017-09-215810-002-0810ND
2017-09-215810-008-0320ND
2017-09-215810-011-0850ND
2017-09-215810-061-0855ND
2017-09-215810-065-0715ND
2017-09-215810-069-0815ND
2017-12-215810-012-0930ND
2017-12-215810-013-0850ND
2017-12-215810-015-0855ND
2017-12-215810-017-0815ND
2018-06-075810-021-1025ND
2018-06-075810-025-1045ND
2018-06-075810-026-0940ND
2018-06-075810-051-0835ND
2018-06-075810-055-0930ND
2018-06-255810-073-1110ND
2018-09-205810-001-0930ND
2018-09-205810-033-0820ND
2018-09-205810-047-0830ND
2018-09-205810-048-0830ND
2018-09-205810-052-0715ND
2018-09-205810-073-0730ND
2018-12-205810-017-1020ND
2018-12-205810-056-1220ND
2018-12-205810-057-1300ND
2018-12-205810-061-0855ND
2018-12-205810-065-0845ND
2018-12-205810-069-1015ND
2018-12-205810-073-0812ND
2019-03-215810-014-0830ND
2019-03-215810-015-0930ND
2019-03-215810-073-0930ND
2019-03-225810-075-1130ND
2019-06-205810-017-0515ND
2019-06-205810-048-0700ND
2019-06-205810-051-0630ND
2019-06-205810-055-0740ND
2019-06-205810-056-0825ND
2019-06-205810-073-0720ND
2019-06-205810-075-0645ND
2019-07-195810-077-1315ND
2019-09-175810-011-0900ND
2019-09-175810-012-0945ND
2019-09-175810-061-0805ND
2019-09-175810-065-0715ND
2019-09-175810-069-0830ND
2019-09-175810-073-0900ND
2019-09-175810-075-0805ND
2019-09-245810-077-0700ND
2019-12-195810-013-0930ND
2019-12-195810-073-0845ND
2019-12-195810-075-0945ND
2019-12-195810-077-0815ND