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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Central Wy Reg Water Sys Jpb

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.

MORE ABOUT THIS CONTAMINANT

 

171

Samples

0

Samples exceeding legal limit (MCL)

160

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20142.97 ppb2724ND - 5.70 ppb
20153.31 ppb3632ND - 6.10 ppb
20162.78 ppb3633ND - 4.90 ppb
20172.99 ppb3635ND - 5.60 ppb
20183.11 ppb36360.910 ppb - 6.50 ppb
2019N/A00N/A

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
2014-04-08C14040258-007B3.90 ppb
2014-04-08C14040258-008A4.40 ppb
2014-04-08C14040258-010A4.00 ppb
2014-04-08C14040258-001B3.60 ppb
2014-04-08C14040258-002B4.40 ppb
2014-04-08C14040258-003B2.20 ppb
2014-04-08C14040258-004B4.60 ppb
2014-04-08C14040258-005B3.90 ppb
2014-04-08C14040258-006B4.50 ppb
2014-07-08C14070272-010A1.40 ppb
2014-07-08C14070272-001B1.80 ppb
2014-07-08C14070272-002B0.870 ppb
2014-07-08C14070272-003B0.800 ppb
2014-07-08C14070272-004B2.10 ppb
2014-07-08C14070272-005B1.50 ppb
2014-07-08C14070272-006B1.50 ppb
2014-07-08C14070272-007B1.60 ppb
2014-07-08C14070272-008A2.00 ppb
2014-10-07C14100434-005B5.40 ppb
2014-10-07C14100434-006B5.20 ppb
2014-10-07C14100434-007B4.60 ppb
2014-10-07C14100434-008AND
2014-10-07C14100434-010A4.90 ppb
2014-10-07C14100434-001B5.40 ppb
2014-10-07C14100434-002BND
2014-10-07C14100434-003BND
2014-10-07C14100434-004B5.70 ppb
2015-01-06C15010069-001B4.40 ppb
2015-01-06C15010069-002B3.50 ppb
2015-01-06C15010069-003B1.60 ppb
2015-01-06C15010069-004B4.60 ppb
2015-01-06C15010069-005B4.60 ppb
2015-01-06C15010069-006B4.60 ppb
2015-01-06C15010069-007B4.50 ppb
2015-01-06C15010069-008A4.50 ppb
2015-01-06C15010069-010A4.60 ppb
2015-04-07C15040208-001B4.40 ppb
2015-04-07C15040208-002B5.60 ppb
2015-04-07C15040208-004B4.20 ppb
2015-04-07C15040208-005B5.00 ppb
2015-04-07C15040208-006B5.70 ppb
2015-04-07C15040208-007B4.80 ppb
2015-04-07C15040208-008A6.10 ppb
2015-04-07C15040208-010A5.60 ppb
2015-04-15C15040496-001A1.80 ppb
2015-07-07C15070202-001B3.30 ppb
2015-07-07C15070202-002B2.50 ppb
2015-07-07C15070202-003BND
2015-07-07C15070202-004B3.20 ppb
2015-07-07C15070202-005B3.40 ppb
2015-07-07C15070202-006B2.20 ppb
2015-07-07C15070202-007B1.60 ppb
2015-07-07C15070202-008A2.40 ppb
2015-07-07C15070202-010A1.50 ppb
2015-10-06C15100213-001B3.60 ppb
2015-10-06C15100213-002BND
2015-10-06C15100213-003BND
2015-10-06C15100213-004B5.10 ppb
2015-10-06C15100213-005B1.90 ppb
2015-10-06C15100213-006B2.80 ppb
2015-10-06C15100213-007B2.80 ppb
2015-10-06C15100213-008AND
2015-10-06C15100213-010A2.80 ppb
2016-01-05C16010071-001B3.40 ppb
2016-01-05C16010071-002B3.50 ppb
2016-01-05C16010071-003BND
2016-01-05C16010071-004B3.60 ppb
2016-01-05C16010071-005B3.50 ppb
2016-01-05C16010071-006B3.80 ppb
2016-01-05C16010071-007B3.60 ppb
2016-01-05C16010071-008A3.50 ppb
2016-01-05C16010071-010A3.40 ppb
2016-04-05C16040146-001B3.30 ppb
2016-04-05C16040146-002B4.50 ppb
2016-04-05C16040146-003B0.660 ppb
2016-04-05C16040146-004B3.70 ppb
2016-04-05C16040146-005B3.60 ppb
2016-04-05C16040146-006B2.60 ppb
2016-04-05C16040146-007B2.10 ppb
2016-04-05C16040146-008A3.00 ppb
2016-04-05C16040146-010A2.80 ppb
2016-07-05C16070073-001B2.00 ppb
2016-07-05C16070073-002B3.40 ppb
2016-07-05C16070073-003B0.800 ppb
2016-07-05C16070073-004B2.40 ppb
2016-07-05C16070073-005B1.30 ppb
2016-07-05C16070073-006B2.00 ppb
2016-07-05C16070073-007B1.80 ppb
2016-07-05C16070073-008A2.10 ppb
2016-07-05C16070073-010A1.50 ppb
2016-10-05C16100154-001B4.90 ppb
2016-10-05C16100154-002B1.40 ppb
2016-10-05C16100154-003BND
2016-10-05C16100154-004B4.80 ppb
2016-10-05C16100154-005B4.60 ppb
2016-10-05C16100154-006B3.60 ppb
2016-10-05C16100154-007B4.50 ppb
2016-10-05C16100154-008BND
2016-10-05C16100154-010B4.50 ppb
2017-01-04C17010096-001B3.70 ppb
2017-01-04C17010096-002B0.920 ppb
2017-01-04C17010096-003B0.770 ppb
2017-01-04C17010096-004B3.70 ppb
2017-01-04C17010096-005B2.80 ppb
2017-01-04C17010096-006B2.80 ppb
2017-01-04C17010096-007B2.80 ppb
2017-01-04C17010096-008A3.00 ppb
2017-01-04C17010096-010A3.50 ppb
2017-04-04C17040071-001B4.40 ppb
2017-04-04C17040071-002B4.40 ppb
2017-04-04C17040071-003B0.930 ppb
2017-04-04C17040071-004B4.80 ppb
2017-04-04C17040071-005B4.70 ppb
2017-04-04C17040071-006B5.00 ppb
2017-04-04C17040071-007B4.90 ppb
2017-04-04C17040071-008A5.10 ppb
2017-04-04C17040071-010A4.90 ppb
2017-07-05C17070062-001B2.60 ppb
2017-07-05C17070062-002B1.20 ppb
2017-07-05C17070062-003B2.60 ppb
2017-07-05C17070062-004BND
2017-07-05C17070062-005B2.00 ppb
2017-07-05C17070062-008A2.00 ppb
2017-07-05C17070062-009B1.70 ppb
2017-07-05C17070062-010A1.50 ppb
2017-07-05C17070062-011B1.60 ppb
2017-10-03C17100100-001B5.60 ppb
2017-10-03C17100100-002B2.80 ppb
2017-10-03C17100100-003B2.50 ppb
2017-10-03C17100100-004B0.870 ppb
2017-10-03C17100100-005B2.20 ppb
2017-10-03C17100100-008A1.70 ppb
2017-10-03C17100100-009B4.70 ppb
2017-10-03C17100100-010A4.30 ppb
2017-10-03C17100100-011B4.70 ppb
2018-01-09C18010249-010A3.80 ppb
2018-01-09C18010249-009B3.20 ppb
2018-01-09C18010249-008A6.50 ppb
2018-01-09C18010249-005B2.80 ppb
2018-01-09C18010249-011B3.60 ppb
2018-01-09C18010249-003B0.910 ppb
2018-01-09C18010249-002B6.00 ppb
2018-01-09C18010249-001B3.70 ppb
2018-01-09C18010249-004B3.20 ppb
2018-04-03C18040084-004B1.20 ppb
2018-04-03C18040084-003B3.10 ppb
2018-04-03C18040084-002B4.40 ppb
2018-04-03C18040084-001B2.30 ppb
2018-04-03C18040084-011B3.30 ppb
2018-04-03C18040084-010A2.80 ppb
2018-04-03C18040084-009B2.80 ppb
2018-04-03C18040084-005B4.10 ppb
2018-04-03C18040084-008A5.00 ppb
2018-07-03C18070084-010A1.80 ppb
2018-07-03C18070084-009B1.80 ppb
2018-07-03C18070084-008A2.70 ppb
2018-07-03C18070084-005B2.70 ppb
2018-07-03C18070084-011B1.50 ppb
2018-07-03C18070084-003B3.40 ppb
2018-07-03C18070084-002B2.30 ppb
2018-07-03C18070084-001B3.50 ppb
2018-07-03C18070084-004B1.10 ppb
2018-10-10C18100435-011B4.80 ppb
2018-10-10C18100435-010A3.40 ppb
2018-10-10C18100435-009B4.00 ppb
2018-10-10C18100435-008A1.40 ppb
2018-10-10C18100435-005B1.90 ppb
2018-10-10C18100435-004B1.90 ppb
2018-10-10C18100435-003B4.90 ppb
2018-10-10C18100435-001B5.10 ppb
2018-10-10C18100435-002B0.960 ppb