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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Sammamish Plateau Water and Sewer

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.

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192

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0606 ppb332ND - 1.000 ppb
20150.209 ppb323ND - 2.80 ppb
20160.118 ppb313ND - 1.45 ppb
20170.133 ppb324ND - 1.12 ppb
20180.150 ppb324ND - 1.53 ppb
2019ND320ND

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
2014-01-2282917ND
2014-02-1202756ND
2014-02-1202751ND
2014-02-1202754ND
2014-02-1202755ND
2014-02-1202752ND
2014-02-1202758ND
2014-02-1202757ND
2014-02-1202753ND
2014-05-1308497ND
2014-05-1308499ND
2014-05-1308500ND
2014-05-1308498ND
2014-05-1308502ND
2014-05-1308501ND
2014-05-13085031.000 ppb
2014-05-1308504ND
2014-08-1214640ND
2014-08-1214645ND
2014-08-1214647ND
2014-08-1214643ND
2014-08-1214646ND
2014-08-1214642ND
2014-08-1214641ND
2014-08-1214644ND
2014-11-1822131ND
2014-11-1822127ND
2014-11-18221321.000 ppb
2014-11-1822128ND
2014-11-1822129ND
2014-11-1822126ND
2014-11-1822130ND
2014-11-1822125ND
2015-02-1746105ND
2015-02-1746104ND
2015-02-1746103ND
2015-02-1746108ND
2015-02-1746102ND
2015-02-1746101ND
2015-02-1746106ND
2015-02-1746107ND
2015-05-1917304ND
2015-05-1917305ND
2015-05-1917301ND
2015-05-1917307ND
2015-05-1917308ND
2015-05-1917306ND
2015-05-1917302ND
2015-05-1917303ND
2015-08-1874504ND
2015-08-1874505ND
2015-08-1874501ND
2015-08-1874507ND
2015-08-1874508ND
2015-08-1874506ND
2015-08-1874502ND
2015-08-1874503ND
2015-11-1047804ND
2015-11-10478052.80 ppb
2015-11-1047801ND
2015-11-1047807ND
2015-11-10478081.99 ppb
2015-11-10478061.90 ppb
2015-11-1047802ND
2015-11-1047803ND
2016-02-09ND
2016-02-09ND
2016-02-091.45 ppb
2016-02-091.11 ppb
2016-02-091.09 ppb
2016-02-09ND
2016-02-09ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2016-08-16ND
2016-11-09ND
2016-11-09ND
2016-11-09ND
2016-11-09ND
2016-11-09ND
2016-11-09ND
2016-11-09ND
2016-11-09ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-02-16ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-30ND
2017-05-301.06 ppb
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-14ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-08-15ND
2017-11-201.12 ppb
2017-11-20ND
2017-11-201.03 ppb
2017-11-201.03 ppb
2017-11-21ND
2017-11-21ND
2017-11-21ND
2017-11-21ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-02-201.04 ppb
2018-02-20ND
2018-02-20ND
2018-02-20ND
2018-05-151.18 ppb
2018-05-15ND
2018-05-151.53 ppb
2018-05-151.06 ppb
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-05-15ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-11-12ND
2018-11-12ND
2018-11-12ND
2018-11-12ND
2018-11-13ND
2018-11-13ND
2018-11-13ND
2018-11-13ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-02-19ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-05-22ND
2019-08-12ND
2019-08-12ND
2019-08-12ND
2019-08-12ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND
2019-11-12ND