Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chloromethane

Citizens Water - Indianapolis

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

 

226

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND360ND
2015ND600ND
2016ND320ND
2017ND240ND
2018ND330ND
2019ND410ND

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
2014-01-13666917RV-1401ND
2014-02-12670853RV-1401ND
2014-02-12670855RV-1401ND
2014-02-12670857RV-1401ND
2014-02-12670859RV-1401ND
2014-02-12670869RV-1401ND
2014-02-12670872RV-1401ND
2014-02-12670874RV-1401ND
2014-03-10674196RV-1401ND
2014-04-14678702RV-1402ND
2014-05-14683180RV-1402ND
2014-05-14683182RV-1402ND
2014-05-14683184RV-1402ND
2014-05-14683186RV-1402ND
2014-05-14683190RV-1402ND
2014-05-14683192RV-1402ND
2014-05-14683194RV-1402ND
2014-06-09686658RV-1402ND
2014-07-14391920RV-1403ND
2014-08-13696760RV-1403ND
2014-08-13696762RV-1403ND
2014-08-13696764RV-1403ND
2014-08-13696766RV-1403ND
2014-08-13696768RV-1403ND
2014-08-13696770RV-1403ND
2014-08-13696772RV-1403ND
2014-08-13696774RV-1403ND
2014-09-08700055RV-1403ND
2014-10-13705191RS525-1404ND
2014-11-12710016RV-1404ND
2014-11-12710018RV-1404ND
2014-11-12710020RV-1404ND
2014-11-12710022RV-1404ND
2014-11-12710026RV-1404ND
2014-11-12710028RV-1404ND
2014-11-12710030RV-1404ND
2015-01-02716880RV-1501ND
2015-02-11722640RV-1501ND
2015-02-11722642RV-1501ND
2015-02-11722644RV-1501ND
2015-02-11722648RV-1501ND
2015-02-11722650RV-1501ND
2015-02-11722652RV-1501ND
2015-03-16727115RV-1501ND
2015-03-173208278ND
2015-03-173208218ND
2015-03-173208185ND
2015-04-13730812RV-1502ND
2015-05-13150006501RV-1502ND
2015-05-13150006502RV-1502ND
2015-05-13150006503RV-1502ND
2015-05-13150006504RV-1502ND
2015-05-13150006505RV-1502ND
2015-05-13150006506RV-1502ND
2015-05-13150006507RV-1502ND
2015-05-20150006509RV-1502ND
2015-06-253271609ND
2015-06-253271544ND
2015-06-253271489ND
2015-06-253271512ND
2015-06-253271575ND
2015-06-253271523ND
2015-06-26150006508RV-1502ND
2015-07-133279376RV-1503ND
2015-08-11150054610RV-1503ND
2015-08-12150054601RV-1503ND
2015-08-12150054602RV-1503ND
2015-08-12150054603RV-1503ND
2015-08-12150054604RV-1503ND
2015-08-12150054605RV-1503ND
2015-08-12150054606RV-1503ND
2015-08-12150054607RV-1503ND
2015-08-12150054608RV-1503ND
2015-09-223327747ND
2015-09-223327705ND
2015-09-223327729ND
2015-09-233328786ND
2015-09-233328696ND
2015-09-233328822ND
2015-09-233328745ND
2015-09-233328760ND
2015-09-233328725ND
2015-10-123343611RV-1504ND
2015-11-09150100702RV-1504ND
2015-11-09150100704RV-1504ND
2015-11-09150100706RV-1504ND
2015-11-09150100708RV-1504ND
2015-11-10150102308RV-1504ND
2015-11-11150102910RV-1504ND
2015-11-11150102911RV-1504ND
2015-11-11150102912RV-1504ND
2015-11-11150102913RV-1504ND
2015-12-093372188ND
2015-12-093372006ND
2015-12-093372043ND
2015-12-103372862ND
2016-04-1116049904RV-1602ND
2016-05-1016066622RV-1602ND
2016-05-1116067007RV-1602ND
2016-05-1116067014RV-1602ND
2016-05-1116067021RV-1602ND
2016-05-1116067026RV-1602ND
2016-05-1116067302RV-1602ND
2016-05-1116067304RV-1602ND
2016-06-0816083902RV-1602ND
2016-06-1316085904RV-1602ND
2016-07-1516105012RV-1603ND
2016-08-093518937RV-1603ND
2016-08-093518939RV-1603ND
2016-08-093518941RV-1603ND
2016-08-093518943RV-1603ND
2016-08-103518983RV-1603ND
2016-08-103518985RV-1603ND
2016-08-103518987RV-1603ND
2016-08-103518989RV-1603ND
2016-08-103518991RV-1603ND
2016-09-1216140004RV-1603ND
2016-10-1016157204RV-1604ND
2016-11-0716174602RV-1604ND
2016-11-0716174604RV-1604ND
2016-11-0716174606RV-1604ND
2016-11-0716174608RV-1604ND
2016-11-0816175822RV-1604ND
2016-11-0916176504RV-1604ND
2016-11-0916176506RV-1604ND
2016-11-0916176508RV-1604ND
2016-11-0916176510RV-1604ND
2016-12-1216191704RV-1604ND
2017-01-0917003404RV-1701ND
2017-02-0817020607RV-1701ND
2017-02-0817020801RV-1701ND
2017-02-0817020803RV-1701ND
2017-02-0817020805RV-1701ND
2017-02-0817020807RV-1701ND
2017-02-0817020809RV-1701ND
2017-02-0817020811RV-1701ND
2017-02-0817020813RV-1701ND
2017-03-1317038904RV-1701ND
2017-04-1017053704RV-1702ND
2017-07-1017105104RV-1703ND
2017-08-1517130610RV-1703ND
2017-08-1617130601RV-1703ND
2017-08-1617130604RV-1703ND
2017-08-1617130605RV-1703ND
2017-08-1617130606RV-1703ND
2017-08-1617130607RV-1703ND
2017-08-1617130608RV-1703ND
2017-08-2817137004RV-1703ND
2017-08-2817137006ND
2017-09-11171457004ARV-170ND
2017-10-0917163604RV-1704ND
2017-12-112017121084RV-170ND
2018-05-1518071704RV-1802ND
2018-05-1618072601RV-1802ND
2018-05-1618072602RV-1802ND
2018-05-1618072603RV-1802ND
2018-05-1618072604RV-1802ND
2018-05-1618072605RV-1802ND
2018-05-1618072606RV-1802ND
2018-05-1618072607RV-1802ND
2018-06-1118086904RV-1802ND
2018-07-2318112704RV-1803ND
2018-08-1418127710ND
2018-08-1518128101RV-1803ND
2018-08-1518128102RV-1803ND
2018-08-1518128103ND
2018-08-1518128104ND
2018-08-1518128105ND
2018-08-1518128106ND
2018-08-1518128107ND
2018-08-1518128108ND
2018-08-2118131407ND
2018-08-2318133201ND
2018-09-1018142904ND
2018-10-0818162004ND
2018-11-1218182702ND
2018-11-1218182704ND
2018-11-1218182706ND
2018-11-1218182708ND
2018-11-1318184322ND
2018-11-1418184904ND
2018-11-1418184906ND
2018-11-1418184908ND
2018-11-1418184909ND
2018-12-1018197204RV-1804ND
2019-01-1419007304ND
2019-01-1419007304ND
2019-02-1119023902ND
2019-02-1119023904ND
2019-02-1119023906ND
2019-02-1119023908ND
2019-02-1219025222ND
2019-03-0819041801ND
2019-03-0819041803ND
2019-03-0819041805ND
2019-03-1119042404ND
2019-04-0819063204RV-1902ND
2019-05-1519092601ND
2019-05-1519092602ND
2019-05-1519092603ND
2019-05-1519092604ND
2019-05-1519092605ND
2019-05-1519092606ND
2019-05-1519092607ND
2019-05-1519092612ND
2019-06-1019113104RV-1902ND
2019-08-1219166902ND
2019-08-1219166904ND
2019-08-1219166906ND
2019-08-1219166908ND
2019-08-1319168425ND
2019-08-1419169002ND
2019-08-1419169004ND
2019-08-1419169006ND
2019-08-1419169103ND
2019-09-0919189204RV-1903ND
2019-10-1419216604ND
2019-11-1119237602ND
2019-11-1119237604ND
2019-11-1119237608ND
2019-11-1219239125ND
2019-11-1319239702ND
2019-11-1319239704ND
2019-11-1319239706ND
2019-11-1319239708ND
2019-12-0919254604ND