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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

North Alamo Water Supply Company

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

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59

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND220ND
2014ND70ND
2015ND60ND
2016ND60ND
2017ND60ND
2018ND60ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-181303647-016DND
2013-03-181303647-010DND
2013-03-181303647-012DND
2013-03-181303647-014DND
2013-03-181303647-008DND
2013-03-181303647-018DND
2013-06-17Q1302491009ND
2013-06-17Q1302491005ND
2013-06-17Q1302491003ND
2013-06-17Q1302491007ND
2013-06-17Q1302491001ND
2013-09-19Q1307746005ND
2013-09-19Q1307746011ND
2013-09-19Q1307746001ND
2013-09-19Q1307746003ND
2013-09-19Q1307746007ND
2013-09-19Q1307746009ND
2013-12-10Q1316886005ND
2013-12-10Q1316886001ND
2013-12-10Q1316886007ND
2013-12-10Q1316886003ND
2013-12-10Q1316886009ND
2014-06-17AC57095ND
2014-06-17AC57101ND
2014-09-22AC67643ND
2014-09-22AC67625ND
2014-09-22AC67631ND
2014-09-22AC67635ND
2014-09-22AC67641ND
2015-02-03AC79048ND
2015-07-15AC99685ND
2015-07-15AC99705ND
2015-07-15AC99711ND
2015-07-15AC99695ND
2015-07-15AC99679ND
2016-08-03AD46885ND
2016-08-03AD46889ND
2016-08-03AD46887ND
2016-08-03AD46901ND
2016-08-03AD46903ND
2016-11-16AD58353ND
2017-07-11AD88929ND
2017-07-11AD88933ND
2017-07-11AD88925ND
2017-07-11AD88931ND
2017-07-11AD88927ND
2017-10-03AD99099ND
2018-07-11AE32981ND
2018-07-11AE32979ND
2018-07-11AE32987ND
2018-07-11AE32985ND
2018-07-11AE32983ND
2018-11-06AE45439ND
2019-09-03AE81779ND
2019-09-03AE81759ND
2019-09-03AE81755ND
2019-09-03AE81773ND
2019-09-03AE81775ND
2019-11-05AE88496ND