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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Lodi

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

 

265

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0521 ppb731ND - 3.80 ppb
20150.127 ppb798ND - 2.80 ppb
20160.109 ppb471ND - 5.10 ppb
2017ND330ND
2018ND170ND
2019ND160ND

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
2014-01-065802-028-0950ND
2014-01-165802-016-1030ND
2014-01-165802-017-1000ND
2014-01-225802-049-1200ND
2014-02-045802-016-0930ND
2014-02-055802-003-0750ND
2014-03-175802-016-1020ND
2014-03-205802-003-0830ND
2014-04-025802-003-1220ND
2014-04-085802-018-0915ND
2014-04-085802-038-1200ND
2014-04-095802-028-0745ND
2014-04-145802-016-1000ND
2014-04-155802-023-0630ND
2014-05-225802-003-0740ND
2014-05-225802-016-0810ND
2014-06-045802-003-0915ND
2014-06-045802-016-0930ND
2014-07-085802-019-0720ND
2014-07-095802-038-1145ND
2014-07-105802-003-0815ND
2014-07-105802-016-0850ND
2014-07-105802-017-0905ND
2014-07-105802-028-0830ND
2014-07-175802-042-0835ND
2014-08-055802-025-0650ND
2014-08-075802-012-0740ND
2014-08-075802-048-06553.80 ppb
2014-08-135802-040-1135ND
2014-08-145802-009-0740ND
2014-08-195802-003-0930ND
2014-08-205802-016-1000ND
2014-09-155802-016-1330ND
2014-09-165802-003-0800ND
2014-09-17A4H2768-04AND
2014-09-17A4H2772-03AND
2014-09-17A4H2768-15AND
2014-09-17A4H2768-12AND
2014-09-17A4H2772-11AND
2014-09-17A4H2770-06AND
2014-09-17A4H2768-01AND
2014-09-17A4H2770-14AND
2014-09-17A4H2768-09AND
2014-09-17A4H2772-14AND
2014-09-17A4H2770-03AND
2014-09-17A4H2772-08AND
2014-09-18A4H2775-10AND
2014-09-18A4H2779-01AND
2014-09-18A4H2777-07AND
2014-09-18A4H2775-07AND
2014-09-18A4H2779-10AND
2014-09-18A4H2775-13AND
2014-09-18A4H2779-15AND
2014-09-18A4H2779-07AND
2014-09-18A4H2777-04AND
2014-09-18A4H2779-04AND
2014-09-18A4H2777-10AND
2014-09-18A4H2777-01AND
2014-09-18A4H2775-04AND
2014-09-18A4H2775-01AND
2014-10-035867-048-1015ND
2014-10-065802-028-1040ND
2014-10-065867-048-1220ND
2014-10-085802-003-1040ND
2014-10-085802-016-1220ND
2014-10-165802-038-0800ND
2014-11-065802-003-1010ND
2014-11-125802-016-0710ND
2014-11-125802-048-0730ND
2014-12-035802-016-0920ND
2014-12-085802-003-1020ND
2014-12-095802-048-0930ND
2014-12-10A4K1202-01AND
2015-01-085802-028-0855ND
2015-01-145802-003-0800ND
2015-01-145802-017-0850ND
2015-01-155802-016-0830ND
2015-01-155802-019-0715ND
2015-01-155802-048-0845ND
2015-02-105802-048-0810ND
2015-03-125802-003-0815ND
2015-03-125802-016-0745ND
2015-03-18A5B2003-04AND
2015-03-18A5B2020-03AND
2015-03-18A5B2001-01AND
2015-03-18A5B2003-10AND
2015-03-18A5B2007-06AND
2015-03-18A5B2020-11AND
2015-03-18A5B2003-01AND
2015-03-18A5B2003-07AND
2015-03-18A5B2007-11AND
2015-03-18A5B2020-08AND
2015-03-18A5B2020-14AND
2015-03-18A5B2007-03AND
2015-03-19A5B2042-01AND
2015-03-19A5B2026-10AND
2015-03-19A5B2026-07AND
2015-03-19A5B2035-07AND
2015-03-19A5B2042-10AND
2015-03-19A5B2042-15AND
2015-03-19A5B2026-13AND
2015-03-19A5B2042-07AND
2015-03-19A5B2035-04AND
2015-03-19A5B2042-04AND
2015-03-19A5B2035-10AND
2015-03-19A5B2026-04AND
2015-03-19A5B2035-01AND
2015-03-19A5B2026-01AND
2015-03-255802-048-1115ND
2015-04-145802-016-0950ND
2015-04-145802-048-1030ND
2015-04-215802-018-1000ND
2015-04-225802-003-1030ND
2015-04-225802-028-1100ND
2015-04-225802-038-1340ND
2015-05-055802-048-0820ND
2015-05-065802-016-0730ND
2015-06-045802-016-0840ND
2015-06-105802-048-0930ND
2015-06-11A5E1718-01AND
2015-06-165802-003-0920ND
2015-07-025802-003-0830ND
2015-07-145802-019-0900ND
2015-07-155802-017-0945ND
2015-07-155802-042-0900ND
2015-07-165802-038-0830ND
2015-07-205802-028-0800ND
2015-07-215802-048-0800ND
2015-07-235802-016-0800ND
2015-08-035802-028-1200ND
2015-08-045802-006-0800ND
2015-08-045802-018-0730ND
2015-08-065802-029-0930ND
2015-08-115802-002-0800ND
2015-08-115802-048-0950ND
2015-08-125802-019-1015ND
2015-08-255802-003-0830ND
2015-08-255802-016-0810ND
2015-09-035802-048-0830ND
2015-09-105802-003-07501.20 ppb
2015-09-105802-016-0650ND
2015-10-015802-038-08251.10 ppb
2015-10-015802-042-09300.530 ppb
2015-10-065802-028-07352.80 ppb
2015-10-085802-048-08101.40 ppb
2015-10-135802-003-0940ND
2015-10-135802-016-0915ND
2015-11-115802-003-07401.90 ppb
2015-11-115802-016-09200.530 ppb
2015-11-115802-048-08500.550 ppb
2015-12-025802-048-1020ND
2015-12-085802-003-0915ND
2016-01-045802-038-1225ND
2016-01-055802-019-0945ND
2016-01-065802-016-0835ND
2016-01-065802-042-0800ND
2016-01-115802-048-1230ND
2016-01-125802-003-0830ND
2016-01-125802-017-0800ND
2016-01-125802-028-0930ND
2016-02-035802-003-1000ND
2016-02-045802-016-0910ND
2016-03-075802-016-0910ND
2016-04-045802-042-09305.10 ppb
2016-04-055802-038-0820ND
2016-04-135802-003-1010ND
2016-04-145802-016-0820ND
2016-04-145802-018-0750ND
2016-04-205802-028-0810ND
2016-04-215802-042-0650ND
2016-04-225802-042-0800ND
2016-05-045802-042-0825ND
2016-05-055802-016-0840ND
2016-06-085802-016-0855ND
2016-07-055802-038-0700ND
2016-07-065802-003-1045ND
2016-07-065802-016-1245ND
2016-07-075802-035-0910ND
2016-07-145802-042-0945ND
2016-07-195802-019-0900ND
2016-07-195802-028-0840ND
2016-07-265802-017-0850ND
2016-08-025802-033-0830ND
2016-08-105802-016-1300ND
2016-08-105802-017-1230ND
2016-08-105802-031-1330ND
2016-08-165802-021-0850ND
2016-08-165802-023-0930ND
2016-08-185802-046-0820ND
2016-09-135802-016-0820ND
2016-10-065802-038-0940ND
2016-10-105802-042-1420ND
2016-10-185802-003-0730ND
2016-10-185802-003-0800ND
2016-10-185802-028-0800ND
2016-10-205802-016-0800ND
2016-11-015802-016-0930ND
2016-11-105802-041-0710ND
2016-12-155802-016-0930ND
2017-01-055802-038-0910ND
2017-01-055802-042-0715ND
2017-01-125802-003-1115ND
2017-01-125802-017-1320ND
2017-01-125802-048-0955ND
2017-01-175802-016-0915ND
2017-02-095802-016-0855ND
2017-04-115802-016-0810ND
2017-04-115802-028-0630ND
2017-04-185802-018-0800ND
2017-05-085802-016-1020ND
2017-07-065802-042-0700ND
2017-07-115802-028-0930ND
2017-07-115802-038-0730ND
2017-07-125802-003-0950ND
2017-07-125802-017-0800ND
2017-07-135802-019-0755ND
2017-07-275802-016-0700ND
2017-08-015802-009-0720ND
2017-08-095802-048-1350ND
2017-08-105802-025-0715ND
2017-08-105802-040-0640ND
2017-08-145802-003-1315ND
2017-08-145802-012-1415ND
2017-08-145802-016-1340ND
2017-09-125802-016-0820ND
2017-10-035802-042-0740ND
2017-10-055802-038-0715ND
2017-10-095802-003-0850ND
2017-10-095802-028-0830ND
2017-10-105802-016-0730ND
2017-11-135802-016-0800ND
2017-12-125802-016-0810ND
2018-01-115802-038-0740ND
2018-01-165802-016-0845ND
2018-01-165802-048-1025ND
2018-02-125802-016-0750ND
2018-04-055802-038-0730ND
2018-04-105802-016-0735ND
2018-05-155802-016-0830ND
2018-07-115802-016-0915ND
2018-08-075802-018-1030ND
2018-08-075802-019-0840ND
2018-08-095802-002-0800ND
2018-08-095802-006-0735ND
2018-08-145802-029-0750ND
2018-09-255802-028-0700ND
2018-10-025802-038-0740ND
2018-10-025802-042-0700ND
2018-10-095802-016-0850ND
2019-01-035802-042-0800ND
2019-01-085802-016-0945ND
2019-01-085802-038-0730ND
2019-04-025802-016-0830ND
2019-04-025802-038-0800ND
2019-04-025802-042-0900ND
2019-07-015802-016-0920ND
2019-07-025802-038-0810ND
2019-07-025802-042-0700ND
2019-08-155802-023-0920ND
2019-08-205802-021-1010ND
2019-08-205802-033-0805ND
2019-08-215802-041-1325ND
2019-10-025802-038-1505ND
2019-10-025802-042-1400ND
2019-10-035802-016-0900ND