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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Butte-Silver Bow Water Department

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

 

208

Samples

0

Samples exceeding legal limit (MCL)

201

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.856 ppb48480.540 ppb - 1.70 ppb
20150.808 ppb4846ND - 1.60 ppb
20160.773 ppb4847ND - 1.20 ppb
20170.782 ppb32320.560 ppb - 2.00 ppb
20180.857 ppb16160.510 ppb - 1.50 ppb
20190.607 ppb1612ND - 1.70 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
2014-03-12B14030943-001B0.960 ppb
2014-03-12B14030943-002B0.800 ppb
2014-03-12B14030943-003B0.850 ppb
2014-03-12B14030943-004B0.880 ppb
2014-03-12B14030943-005B0.680 ppb
2014-03-12B14030943-006B0.730 ppb
2014-03-12B14030943-007B1.10 ppb
2014-03-12B14030943-008B0.670 ppb
2014-03-12B14030943-009B1.20 ppb
2014-03-12B14030943-010B1.10 ppb
2014-03-12B14030943-011B1.70 ppb
2014-03-12B14030943-012B1.30 ppb
2014-06-09B14060874-001B0.830 ppb
2014-06-09B14060874-002B0.690 ppb
2014-06-09B14060874-003B0.680 ppb
2014-06-09B14060874-004B0.600 ppb
2014-06-09B14060874-005B0.620 ppb
2014-06-09B14060874-006B0.590 ppb
2014-06-09B14060874-007B0.690 ppb
2014-06-09B14060874-008B0.540 ppb
2014-06-09B14060874-009B0.750 ppb
2014-06-09B14060874-010B0.730 ppb
2014-06-09B14060874-011B0.540 ppb
2014-06-09B14060874-012B0.570 ppb
2014-09-15B14091399-001B0.760 ppb
2014-09-15B14091399-002B0.890 ppb
2014-09-15B14091399-003B1.000 ppb
2014-09-15B14091399-004B1.10 ppb
2014-09-15B14091399-005B1.10 ppb
2014-09-15B14091399-006B1.10 ppb
2014-09-15B14091399-007B0.950 ppb
2014-09-15B14091399-008B1.000 ppb
2014-09-15B14091399-009B1.10 ppb
2014-09-15B14091399-010B1.20 ppb
2014-09-15B14091399-011B0.950 ppb
2014-09-15B14091399-012B0.810 ppb
2014-12-10B14121049-001B0.800 ppb
2014-12-10B14121049-002B0.750 ppb
2014-12-10B14121049-003B0.780 ppb
2014-12-10B14121049-004B0.760 ppb
2014-12-10B14121049-005B0.690 ppb
2014-12-10B14121049-006B0.770 ppb
2014-12-10B14121049-007B0.820 ppb
2014-12-10B14121049-008B0.610 ppb
2014-12-10B14121049-009B0.870 ppb
2014-12-10B14121049-010B0.930 ppb
2014-12-10B14121049-011B0.870 ppb
2014-12-10B14121049-012B0.680 ppb
2015-03-09B15030709-001B0.630 ppb
2015-03-09B15030709-002B0.660 ppb
2015-03-09B15030709-003B0.770 ppb
2015-03-09B15030709-004BND
2015-03-09B15030709-005B0.850 ppb
2015-03-09B15030709-006B0.830 ppb
2015-03-09B15030709-007B0.980 ppb
2015-03-09B15030709-008B0.850 ppb
2015-03-09B15030709-009B1.000 ppb
2015-03-09B15030709-010B0.880 ppb
2015-03-09B15030709-011B0.820 ppb
2015-03-09B15030709-012B0.740 ppb
2015-06-08B15060859-001B0.640 ppb
2015-06-08B15060859-002B0.640 ppb
2015-06-08B15060859-003B0.600 ppb
2015-06-08B15060859-004B0.600 ppb
2015-06-08B15060859-005B0.580 ppb
2015-06-08B15060859-006B0.540 ppb
2015-06-08B15060859-007B0.810 ppb
2015-06-08B15060859-008B0.520 ppb
2015-06-08B15060859-009B0.700 ppb
2015-06-08B15060859-010B0.760 ppb
2015-06-08B15060859-011B0.650 ppb
2015-06-08B15060859-012BND
2015-09-14B15091265-001B0.720 ppb
2015-09-14B15091265-002B0.680 ppb
2015-09-14B15091265-003B1.20 ppb
2015-09-14B15091265-004B1.40 ppb
2015-09-14B15091265-005B1.40 ppb
2015-09-14B15091265-006B1.60 ppb
2015-09-14B15091265-007B1.000 ppb
2015-09-14B15091265-008B1.50 ppb
2015-09-14B15091265-009B1.10 ppb
2015-09-14B15091265-010B1.10 ppb
2015-09-14B15091265-011B1.10 ppb
2015-09-14B15091265-012B0.700 ppb
2015-12-09B15120901-001B0.670 ppb
2015-12-09B15120901-002B0.550 ppb
2015-12-09B15120901-003B0.770 ppb
2015-12-09B15120901-004B0.790 ppb
2015-12-09B15120901-005B0.740 ppb
2015-12-09B15120901-006B0.640 ppb
2015-12-09B15120901-007B0.860 ppb
2015-12-09B15120901-008B0.670 ppb
2015-12-09B15120901-009B0.990 ppb
2015-12-09B15120901-010B0.970 ppb
2015-12-09B15120901-011B0.940 ppb
2015-12-09B15120901-012B0.650 ppb
2016-03-09B16031005-001B0.750 ppb
2016-03-09B16031005-002B0.810 ppb
2016-03-09B16031005-003B0.710 ppb
2016-03-09B16031005-004B0.750 ppb
2016-03-09B16031005-005B0.720 ppb
2016-03-09B16031005-006B0.660 ppb
2016-03-09B16031005-007B0.780 ppb
2016-03-09B16031005-008B0.690 ppb
2016-03-09B16031005-009B1.000 ppb
2016-03-09B16031005-010B0.850 ppb
2016-03-09B16031005-011B0.890 ppb
2016-03-09B16031005-012B0.730 ppb
2016-06-07B16060715-001B0.930 ppb
2016-06-07B16060715-002B0.780 ppb
2016-06-07B16060715-003B0.930 ppb
2016-06-07B16060715-004B1.000 ppb
2016-06-07B16060715-005B0.680 ppb
2016-06-07B16060715-006B0.710 ppb
2016-06-07B16060715-007B0.890 ppb
2016-06-07B16060715-008B0.600 ppb
2016-06-07B16060715-009B0.800 ppb
2016-06-07B16060715-010B0.740 ppb
2016-06-07B16060715-011B0.810 ppb
2016-06-07B16060715-012B0.500 ppb
2016-09-08B16090760-001B1.20 ppb
2016-09-08B16090760-002B0.680 ppb
2016-09-08B16090760-003B0.990 ppb
2016-09-08B16090760-004B1.10 ppb
2016-09-08B16090760-005B0.980 ppb
2016-09-08B16090760-006B1.10 ppb
2016-09-08B16090760-007B0.600 ppb
2016-09-08B16090760-008B1.10 ppb
2016-09-08B16090760-009B0.680 ppb
2016-09-08B16090760-010B0.730 ppb
2016-09-08B16090760-011B0.720 ppb
2016-09-08B16090760-012B0.550 ppb
2016-12-12B16120906-001B0.790 ppb
2016-12-12B16120906-002B0.660 ppb
2016-12-12B16120906-003B0.680 ppb
2016-12-12B16120906-004B0.780 ppb
2016-12-12B16120906-005B0.720 ppb
2016-12-12B16120906-006B0.680 ppb
2016-12-12B16120906-007B0.820 ppb
2016-12-12B16120906-008B0.670 ppb
2016-12-12B16120906-009B0.710 ppb
2016-12-12B16120906-010B0.740 ppb
2016-12-12B16120906-011B0.720 ppb
2016-12-12B16120906-012BND
2017-03-13B17030964-001B0.750 ppb
2017-03-13B17030964-002B0.690 ppb
2017-03-13B17030964-003B0.670 ppb
2017-03-13B17030964-004B0.680 ppb
2017-03-13B17030964-005B0.670 ppb
2017-03-13B17030964-006B0.660 ppb
2017-03-13B17030964-007B0.960 ppb
2017-03-13B17030964-008B0.660 ppb
2017-03-13B17030964-009B0.850 ppb
2017-03-13B17030964-010B0.810 ppb
2017-03-13B17030964-011B0.780 ppb
2017-03-13B17030964-012B0.590 ppb
2017-06-13B17061376-001A0.690 ppb
2017-06-13B17061376-002A0.640 ppb
2017-06-13B17061376-003A0.660 ppb
2017-06-13B17061376-004A0.670 ppb
2017-06-13B17061376-005A0.680 ppb
2017-06-13B17061376-006A0.670 ppb
2017-06-13B17061376-007A0.880 ppb
2017-06-13B17061376-008A0.660 ppb
2017-06-13B17061376-009A0.720 ppb
2017-06-13B17061376-010A0.660 ppb
2017-06-13B17061376-011A0.680 ppb
2017-06-13B17061376-012A0.560 ppb
2017-09-13B17091212-001B2.00 ppb
2017-09-13B17091212-002B1.90 ppb
2017-09-13B17091212-003B0.730 ppb
2017-09-13B17091212-004B0.630 ppb
2017-12-13B17121307-001B0.850 ppb
2017-12-13B17121307-002B0.780 ppb
2017-12-13B17121307-003B0.630 ppb
2017-12-13B17121307-004B0.570 ppb
2018-03-14B18031225-001B0.990 ppb
2018-03-14B18031225-002B0.940 ppb
2018-03-14B18031225-003B0.740 ppb
2018-03-14B18031225-004B0.690 ppb
2018-06-11B18061054-001B0.710 ppb
2018-06-11B18061054-002B0.720 ppb
2018-06-11B18061054-003B0.620 ppb
2018-06-11B18061054-004B0.510 ppb
2018-09-11B18090899-001A1.000 ppb
2018-09-11B18090899-002A1.50 ppb
2018-09-11B18090899-003A1.20 ppb
2018-09-11B18090899-004A0.940 ppb
2018-12-12B18121075-001A0.900 ppb
2018-12-12B18121075-002A0.810 ppb
2018-12-12B18121075-003A0.760 ppb
2018-12-12B18121075-004A0.680 ppb
2019-03-13B19031024-001A0.610 ppb
2019-03-13B19031024-002AND
2019-03-13B19031024-003AND
2019-03-13B19031024-004AND
2019-06-12B19061217-001A0.560 ppb
2019-06-12B19061217-002A0.570 ppb
2019-06-12B19061217-003A0.550 ppb
2019-06-12B19061217-004AND
2019-09-11B19091090-001A1.70 ppb
2019-09-11B19091090-002A1.60 ppb
2019-09-11B19091090-003A0.910 ppb
2019-09-11B19091090-004A0.640 ppb
2019-12-11B19121117-001A0.650 ppb
2019-12-11B19121117-002A0.750 ppb
2019-12-11B19121117-003A0.630 ppb
2019-12-11B19121117-004A0.540 ppb