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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

City of Bozeman

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

 

58

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.534 ppb169ND - 2.10 ppb
20150.0500 ppb101ND - 0.500 ppb
20160.0875 ppb81ND - 0.700 ppb
20170.0638 ppb81ND - 0.510 ppb
20180.219 ppb83ND - 0.620 ppb
2019ND80ND

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
2014-01-15B14011094-004BND
2014-01-15B14011094-003BND
2014-01-15B14011094-002BND
2014-01-15B14011094-001BND
2014-04-08B14040837-004B1.40 ppb
2014-04-08B14040837-003B1.10 ppb
2014-04-08B14040837-002BND
2014-04-08B14040837-001B2.10 ppb
2014-07-15B14071475-004B0.660 ppb
2014-07-15B14071475-003B0.720 ppb
2014-07-15B14071475-002BND
2014-07-15B14071475-001B0.600 ppb
2014-10-07B14100743-003B0.560 ppb
2014-10-07B14100743-001B0.650 ppb
2014-10-07B14100743-002BND
2014-10-07B14100743-004B0.760 ppb
2015-01-13B15010726-004BND
2015-01-13B15010726-003BND
2015-01-13B15010726-002BND
2015-01-13B15010726-001BND
2015-04-14B15041223-002B0.500 ppb
2015-04-14B15041223-001BND
2015-07-15B15071536-002BND
2015-07-15B15071536-001BND
2015-10-13B15101095-002BND
2015-10-13B15101095-001BND
2016-01-13B16010896-002BND
2016-01-13B16010896-001BND
2016-04-13B16041216-002BND
2016-04-13B16041216-001BND
2016-07-13B16071041-002BND
2016-07-13B16071041-001BND
2016-10-12B16101087-002BND
2016-10-12B16101087-001B0.700 ppb
2017-01-09B17010461-002BND
2017-01-09B17010461-001BND
2017-04-12B17041131-002BND
2017-04-12B17041131-001BND
2017-07-10B17070710-002BND
2017-07-10B17070710-001BND
2017-10-11B17101181-002BND
2017-10-11B17101181-001B0.510 ppb
2018-01-08B18010599-002BND
2018-01-08B18010599-001BND
2018-04-09B18040724-002B0.620 ppb
2018-04-09B18040724-001B0.570 ppb
2018-07-10B18070820-002BND
2018-07-10B18070820-001B0.560 ppb
2018-10-09B18101006-002BND
2018-10-09B18101006-001BND
2019-01-09B19010776-002BND
2019-01-09B19010776-001BND
2019-04-10B19041014-002BND
2019-04-10B19041014-001BND
2019-07-10B19071084-002BND
2019-07-10B19071084-001BND
2019-10-09B19101048-001BND
2019-10-09B19101048-002BND