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EWG's Tap Water Database — 2019 UPDATE

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Bromochloroacetic acid

City of Redmond Water System

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

 

188

Samples

0

Samples exceeding legal limit (MCL)

61

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.269 ppb294ND - 2.20 ppb
20130.422 ppb328ND - 2.30 ppb
20140.332 ppb317ND - 1.80 ppb
20150.944 ppb3220ND - 2.26 ppb
20160.957 ppb3215ND - 3.18 ppb
20170.445 ppb327ND - 2.97 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-0602183ND
2012-02-0602185ND
2012-02-0602184ND
2012-02-0602186ND
2012-02-0602187ND
2012-04-0205810ND
2012-04-0205816ND
2012-04-0205812ND
2012-04-02058111.90 ppb
2012-04-0205809ND
2012-04-0205814ND
2012-04-0205813ND
2012-04-02058151.80 ppb
2012-07-0212039ND
2012-07-02120411.90 ppb
2012-07-02120372.20 ppb
2012-07-0212042ND
2012-07-0212036ND
2012-07-0212035ND
2012-07-0212040ND
2012-07-0212038ND
2012-10-0118494ND
2012-10-0118488ND
2012-10-0118492ND
2012-10-0118493ND
2012-10-0118495ND
2012-10-0118490ND
2012-10-0118489ND
2012-10-0118491ND
2013-01-0800414ND
2013-01-0800413ND
2013-01-08004111.70 ppb
2013-01-08004151.60 ppb
2013-01-0800409ND
2013-01-0800416ND
2013-01-0800410ND
2013-01-0800412ND
2013-04-0106775ND
2013-04-0106776ND
2013-04-01067811.90 ppb
2013-04-0106782ND
2013-04-01067772.20 ppb
2013-04-0106778ND
2013-04-0106779ND
2013-04-0106780ND
2013-07-0113347ND
2013-07-0113344ND
2013-07-0113351ND
2013-07-02133501.50 ppb
2013-07-0213349ND
2013-07-0213345ND
2013-07-02133462.30 ppb
2013-09-0318024ND
2013-10-0720410ND
2013-10-07204131.20 ppb
2013-10-0720408ND
2013-10-07204091.10 ppb
2013-10-0720407ND
2013-10-0720414ND
2013-10-0720412ND
2013-10-0720411ND
2014-01-0800363ND
2014-01-0800364ND
2014-01-0800366ND
2014-01-0800367ND
2014-01-0800368ND
2014-01-08003701.20 ppb
2014-01-0800365ND
2014-04-0906211ND
2014-04-0906214ND
2014-04-09062171.30 ppb
2014-04-0906216ND
2014-04-0906215ND
2014-04-0906218ND
2014-04-09062131.80 ppb
2014-04-0906212ND
2014-07-0912238ND
2014-07-09122371.50 ppb
2014-07-0912234ND
2014-07-0912232ND
2014-07-0912231ND
2014-07-0912235ND
2014-07-09122331.80 ppb
2014-07-0912236ND
2014-10-08188731.70 ppb
2014-10-0818872ND
2014-10-0818870ND
2014-10-0818868ND
2014-10-0818871ND
2014-10-0818867ND
2014-10-08188691.000 ppb
2014-10-0818874ND
2015-01-07152081.17 ppb
2015-01-07152071.67 ppb
2015-01-07152031.37 ppb
2015-01-07152021.18 ppb
2015-01-07152061.28 ppb
2015-01-07152011.08 ppb
2015-01-07152041.000 ppb
2015-01-07152051.28 ppb
2015-04-08887071.64 ppb
2015-04-0888708ND
2015-04-0888706ND
2015-04-0888705ND
2015-04-0888704ND
2015-04-08887031.81 ppb
2015-04-0888701ND
2015-04-0888702ND
2015-07-08376071.35 ppb
2015-07-0837608ND
2015-07-0837606ND
2015-07-0837605ND
2015-07-0837604ND
2015-07-08376032.26 ppb
2015-07-0837601ND
2015-07-08376021.44 ppb
2015-10-07189071.57 ppb
2015-10-0718908ND
2015-10-07189062.05 ppb
2015-10-07189051.82 ppb
2015-10-07189041.54 ppb
2015-10-07189032.08 ppb
2015-10-07189011.12 ppb
2015-10-07189021.51 ppb
2016-01-061.79 ppb
2016-01-062.48 ppb
2016-01-062.68 ppb
2016-01-061.25 ppb
2016-01-063.17 ppb
2016-01-061.15 ppb
2016-01-062.44 ppb
2016-01-06ND
2016-04-081.02 ppb
2016-04-08ND
2016-04-08ND
2016-04-08ND
2016-04-081.23 ppb
2016-04-08ND
2016-04-082.25 ppb
2016-04-083.18 ppb
2016-07-06ND
2016-07-06ND
2016-07-062.38 ppb
2016-07-06ND
2016-07-06ND
2016-07-06ND
2016-07-06ND
2016-07-061.85 ppb
2016-10-041.69 ppb
2016-10-04ND
2016-10-04ND
2016-10-042.07 ppb
2016-10-04ND
2016-10-04ND
2016-10-04ND
2016-10-04ND
2017-01-11ND
2017-01-11ND
2017-01-11ND
2017-01-11ND
2017-01-11ND
2017-01-11ND
2017-01-11ND
2017-01-112.15 ppb
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-112.47 ppb
2017-04-112.97 ppb
2017-07-05ND
2017-07-05ND
2017-07-051.04 ppb
2017-07-05ND
2017-07-05ND
2017-07-05ND
2017-07-05ND
2017-07-052.33 ppb
2017-10-111.77 ppb
2017-10-11ND
2017-10-11ND
2017-10-11ND
2017-10-11ND
2017-10-11ND
2017-10-111.52 ppb
2017-10-11ND