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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Garden City Park WD

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

 

287

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND580ND
2015ND310ND
2016ND560ND
2017ND570ND
2018ND540ND
2019ND260ND

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
2013-10-1605603ND
2013-10-1706945ND
2013-10-1707512ND
2013-10-2408409ND
2013-10-2410612ND
2014-01-061401087-003-POCSND
2014-01-151401673-002-POCSND
2014-01-231401960-007-POCSND
2014-01-231401960-005-POSND
2014-02-101402387-004-POCSND
2014-02-101402387-002-POCSND
2014-02-111402510-002-POCSND
2014-02-241402B99-003-POCSND
2014-03-031403055-004-POCSND
2014-03-031403055-002-POCSND
2014-03-111403663-002-POCSND
2014-03-191403D49-003-POCSND
2014-04-011404128-002-POCSND
2014-04-071404495-003-POCSND
2014-04-171404D53-002-POCSND
2014-04-28UCMR3 AS0710ND
2014-05-051405215-002-POCSND
2014-05-091405677-002-POCSND
2014-05-121405771-003-POCSND
2014-05-271405I30-002-POCSND
2014-06-041406343-002-POCSND
2014-06-041406343-004-POCSND
2014-06-041406343-003-POCSND
2014-06-041406343-005-POCSND
2014-06-041406349-002-POCSND
2014-06-091406600-003-POCSND
2014-06-091406600-005-POCSND
2014-06-09140600-003-POCSND
2014-06-101406653-002-POCSND
2014-07-071407345-002-POCSND
2014-07-071407344-002-POCSND
2014-07-101407693-002-POCSND
2014-07-141407892-003-POCSND
2014-07-171407C45-002-POCSND
2014-08-041408100-004-POCSND
2014-08-041408100-006-POCSND
2014-08-041408100-002-POCSND
2014-08-111408650-003-POCSND
2014-08-121408781-002-POCSND
2014-09-041409301-002-POCSND
2014-09-041409302-003-POCSND
2014-09-041409302-005-POCSND
2014-09-161409B58-002-POCSND
2014-09-181409E42-002-POCSND
2014-10-061410329-004-POCSND
2014-10-061410329-002-POCSND
2014-10-061410329-006-POCSND
2014-10-141410898-003-POCSND
2014-11-031411051-002-POCSND
2014-11-031410F33-002-POCSND
2014-11-121411796-002-POCSND
2014-11-171411A81-002-POCSND
2014-11-191411D17-002-POCSND
2014-11-241411F89-003-POCSND
2014-12-011412041-002-POCSND
2014-12-101412770-003-POCSND
2014-12-101412770-005-POCSND
2014-12-161412B52-002-POCSND
2015-01-211501C24-009 2ND
2015-01-261501F18-002-POCSND
2015-01-281501F88-003-POCSND
2015-01-281501F88-002-POCSND
2015-01-281501F88-005-POCSND
2015-02-181501C24-009ND
2015-02-241502E53-002ND
2015-02-261502G34-003-POCSND
2015-03-061503416-003 2ND
2015-03-061503416-006ND
2015-03-141503A00-002ND
2015-03-181503C39-003ND
2015-03-241503G35-002-POCSND
2015-03-261503I53-002-POCSND
2015-04-131504864-002-POCSND
2015-04-221504G72-002-POCSND
2015-04-221504G72-004ND
2015-04-281504L79-002ND
2015-04-291504M31-003ND
2015-05-121505797-003ND
2015-05-181505C59-002ND
2015-05-181505C59-004ND
2015-05-281505K28-002-POCSND
2015-05-281505K29-002-POCSND
2015-06-091506720-003-POCSND
2015-06-151506B85-002-POCSND
2015-06-151506B85-004-POCSND
2015-06-181506F25-002-POCSND
2015-06-251506K92-002-POCSND
2015-07-061507309-002-POCSND
2015-07-061507309-005-POCSND
2016-01-041601041-002ND
2016-01-111601617-002ND
2016-01-121601763-002ND
2016-01-261601G96-003ND
2016-01-291601K21-002ND
2016-02-011602021-002ND
2016-02-161602B20-007ND
2016-02-161602B20-002ND
2016-02-231602G01-002ND
2016-02-251602I34-002ND
2016-03-021603174-004ND
2016-03-071603483-004-POCND
2016-03-071603483-002-POCND
2016-03-081603586-003ND
2016-04-041604171-002ND
2016-04-061604499-002ND
2016-04-191604H52-003ND
2016-04-201604J61-002ND
2016-04-221604L23-002ND
2016-05-051605411-002ND
2016-05-091605707-005ND
2016-05-091605707-002ND
2016-05-231605K51-002ND
2016-06-011606098-002ND
2016-06-011606098-005ND
2016-06-011606098-007ND
2016-06-011606098-009ND
2016-07-061607378-002ND
2016-07-061607380-005ND
2016-07-061607380-002ND
2016-07-061607380-007ND
2016-07-211607I30-002ND
2016-08-011608065-005ND
2016-08-011608056-002ND
2016-08-011608059-002ND
2016-08-011608065-003ND
2016-08-021608178-002ND
2016-09-121609860-003ND
2016-09-121609857-002ND
2016-09-121609857-007ND
2016-09-121609860-007ND
2016-09-221609J77-002POCND
2016-10-04701264002ND
2016-10-04701264006ND
2016-10-20702529002-POCND
2016-10-20702532003-POCND
2016-10-20702532008-POCND
2016-11-09704070002-POCND
2016-11-09704072001-POCND
2016-11-16704697005-POCND
2016-11-16704697003-POCND
2016-12-01705804002-POCND
2016-12-01705804003-POCND
2016-12-01705804006-POCND
2016-12-09706493002ND
2016-12-09706493004ND
2017-01-10708709003-POCND
2017-01-10708709005-POCND
2017-01-20709582008-POCND
2017-02-077010715002-POCND
2017-02-077010715003-POCND
2017-02-167011510005ND
2017-02-167011510002ND
2017-02-167011510008ND
2017-03-027012474002-POCND
2017-03-027012474010-POCND
2017-03-027012474003-POCND
2017-03-027012474008-POCND
2017-03-067012667003-POCND
2017-04-147015913002-POCND
2017-04-147015914003-POCND
2017-04-147015914005ND
2017-04-187016140005-POCND
2017-04-187016140003-POCND
2017-05-017017406002-POCND
2017-05-027017406004-POCND
2017-05-097018101003ND
2017-05-117018383004-POCND
2017-05-117018383002-POCND
2017-05-167018723002ND
2017-06-027020216006-POCND
2017-06-027020216004-POCND
2017-06-027020216002-POCND
2017-06-057020314003ND
2017-06-077020598002-POCND
2017-06-197021712002-POCND
2017-07-077023402007-POCSND
2017-07-077023402002-POCSND
2017-07-077023402005-POCSND
2017-07-077023402009-POCSND
2017-07-277025407002-POCSND
2017-08-017025817007-POCND
2017-08-017025817002-POCND
2017-08-017025817004-POCND
2017-08-027025918002-POCND
2017-08-107026748002-POCSND
2017-09-057028824004-POCND
2017-09-057028824002--POCND
2017-09-067028970003-POCND
2017-09-217030649002-POCND
2017-10-027031539002-POCND
2017-10-027031539004-POCND
2017-10-137032867003-POCND
2017-10-207033645002-POCND
2017-11-017034487002-POCND
2017-11-067034915003-POCND
2017-11-097035249002-POCND
2017-11-147035631002-POCND
2017-11-217036283002-POCND
2017-12-057037151005-POCND
2017-12-057037151007-POCND
2017-12-057037151002-POCND
2017-12-157038328002-POCND
2018-01-177040661002-POCND
2018-02-017041856002-POCND
2018-02-147042892003ND
2018-02-157043039002ND
2018-03-027044356002ND
2018-03-057044412002ND
2018-03-237046070003ND
2018-03-237046070005ND
2018-04-047047267003-POCND
2018-04-177048677002ND
2018-04-197048984001ND
2018-05-047050558002ND
2018-05-047050558004ND
2018-05-147051534003ND
2018-05-167051780002ND
2018-06-067053925002ND
2018-06-067053925004ND
2018-06-067053925007ND
2018-07-037057128002ND
2018-07-097057449002-POCND
2018-07-097057451005ND
2018-07-097057451002ND
2018-07-237059102002ND
2018-08-037060362002-POCND
2018-08-067060491002-POCND
2018-08-067060490004-POCND
2018-08-067060490007-POCND
2018-08-067060490002-POCND
2018-08-147061466002-POCND
2018-08-207062075004ND
2018-09-107064170004ND
2018-09-107064170002ND
2018-09-107064170006ND
2018-09-117064331003ND
2018-09-137064731002ND
2018-09-247065685004ND
2018-10-027066598004ND
2018-10-027066598006ND
2018-10-0270665998002ND
2018-10-097067287002ND
2018-10-107067513003ND
2018-10-157067949003ND
2018-10-317069597002ND
2018-11-067070094002ND
2018-11-087070473004ND
2018-11-087070473002ND
2018-11-087070473007ND
2018-11-147071007002ND
2018-11-297072377002ND
2018-12-037072590002ND
2018-12-077073216003ND
2018-12-077073216005ND
2018-12-117073583003ND
2018-12-177074136002ND
2019-01-107076237002ND
2019-01-117076402002ND
2019-01-237077399002ND
2019-01-287077687003ND
2019-02-067078593002ND
2019-02-067078591003ND
2019-02-147079547002ND
2019-02-257080538002ND
2019-03-047081154007ND
2019-03-047081154005ND
2019-03-047081154002ND
2019-03-117081923002ND
2019-04-027084127002ND
2019-04-107085276002ND
2019-05-037088110006ND
2019-05-037088110002ND
2019-06-067092430004ND
2019-06-117093102005ND
2019-07-267099010007-POCND
2019-07-267099010005-POCND
2019-08-0970100581006ND
2019-08-0970100581002ND
2019-09-1070104250002ND
2019-09-2470106028002ND
2019-10-3170110301002ND
2019-11-1370111704002ND