Bromochloroacetic acid
City of Billings
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 2.15 ppb | 13 | 13 | 1.20 ppb - 3.20 ppb |
2015 | 2.12 ppb | 36 | 36 | 0.680 ppb - 3.70 ppb |
2016 | 1.84 ppb | 36 | 36 | 0.720 ppb - 3.40 ppb |
2017 | 2.49 ppb | 34 | 34 | 1.50 ppb - 3.80 ppb |
2018 | 3.29 ppb | 36 | 36 | 1.40 ppb - 4.90 ppb |
2019 | 2.79 ppb | 36 | 36 | 1.10 ppb - 4.00 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 |
---|---|---|
2014-05-12 | B14051004-001 | 1.40 ppb |
2014-05-12 | B14051004-001B | 1.40 ppb |
2014-08-11 | B14081054-001E | 2.60 ppb |
2014-09-02 | B14090072-001B | 2.60 ppb |
2014-11-12 | B14110966-001B | 3.00 ppb |
2014-11-12 | B14110966-002B | 2.20 ppb |
2014-11-12 | B14110966-003B | 2.20 ppb |
2014-11-12 | B14110966-004B | 3.20 ppb |
2014-11-12 | B14110966-005B | 1.20 ppb |
2014-11-12 | B14110966-006B | 2.60 ppb |
2014-11-12 | B14110966-007B | 2.10 ppb |
2014-11-12 | B14110966-008B | 2.30 ppb |
2014-11-12 | B14110966-009B | 1.20 ppb |
2015-02-09 | B15020974-001E | 1.90 ppb |
2015-02-09 | B15020974-002B | 3.10 ppb |
2015-02-09 | B15020974-003B | 3.60 ppb |
2015-02-09 | B15020974-004B | 2.00 ppb |
2015-02-10 | B15020974-005B | 2.60 ppb |
2015-02-10 | B15020974-006B | 3.10 ppb |
2015-02-10 | B15020974-007B | 3.20 ppb |
2015-02-11 | B15020974-008B | 2.60 ppb |
2015-02-11 | B15020974-009B | 2.60 ppb |
2015-05-11 | B15051144-003B | 1.20 ppb |
2015-05-11 | B15051144-004B | 1.50 ppb |
2015-05-11 | B15051144-006B | 0.880 ppb |
2015-05-11 | B15051144-009B | 0.680 ppb |
2015-05-12 | B15051144-002B | 2.00 ppb |
2015-05-12 | B15051144-005B | 1.90 ppb |
2015-05-12 | B15051144-007B | 1.000 ppb |
2015-05-13 | B15051144-001B | 1.20 ppb |
2015-05-13 | B15051144-008B | 1.10 ppb |
2015-08-10 | B15080796-002B | 2.90 ppb |
2015-08-10 | B15080796-004B | 3.60 ppb |
2015-08-10 | B15080796-005B | 2.00 ppb |
2015-08-10 | B15080796-006B | 3.20 ppb |
2015-08-10 | B15080796-007B | 3.30 ppb |
2015-08-10 | B15080796-008B | 3.70 ppb |
2015-08-10 | B15080796-009B | 3.70 ppb |
2015-08-10 | B15080796-010B | 3.50 ppb |
2015-08-11 | B15080910-001B | 1.80 ppb |
2015-11-09 | B15110678-001B | 1.80 ppb |
2015-11-09 | B15110678-002B | 1.90 ppb |
2015-11-09 | B15110678-003B | 0.940 ppb |
2015-11-09 | B15110678-004B | 1.80 ppb |
2015-11-09 | B15110678-005B | 1.30 ppb |
2015-11-09 | B15110678-006B | 1.000 ppb |
2015-11-09 | B15110678-007B | 1.40 ppb |
2015-11-09 | B15110678-008B | 1.30 ppb |
2015-11-09 | B15110678-009B | 1.10 ppb |
2016-02-08 | B16020890-001E | 1.60 ppb |
2016-02-08 | B16020890-004B | 1.90 ppb |
2016-02-08 | B16020890-005B | 2.80 ppb |
2016-02-08 | B16020890-007B | 2.50 ppb |
2016-02-09 | B16020890-003B | 2.60 ppb |
2016-02-09 | B16020890-006B | 2.70 ppb |
2016-02-09 | B16020890-008B | 2.40 ppb |
2016-02-10 | B16020890-002B | 2.40 ppb |
2016-02-10 | B16020890-009B | 1.000 ppb |
2016-05-09 | B16051069-005B | 1.90 ppb |
2016-05-10 | B16051069-001B | 0.720 ppb |
2016-05-10 | B16051069-003B | 2.20 ppb |
2016-05-11 | B16051069-002B | 1.20 ppb |
2016-05-11 | B16051069-009B | 1.90 ppb |
2016-05-26 | B16052073-001B | 0.880 ppb |
2016-05-26 | B16052073-002B | 1.10 ppb |
2016-05-26 | B16052073-003B | 0.870 ppb |
2016-05-26 | B16052073-004B | 0.880 ppb |
2016-08-08 | B16081057-001B | 2.30 ppb |
2016-08-08 | B16081057-002B | 2.80 ppb |
2016-08-08 | B16081057-003B | 3.10 ppb |
2016-08-08 | B16081057-004B | 3.10 ppb |
2016-08-09 | B16081057-005B | 1.30 ppb |
2016-08-09 | B16081057-006B | 1.20 ppb |
2016-08-09 | B16081057-007B | 2.70 ppb |
2016-08-10 | B16081057-008B | 3.40 ppb |
2016-08-10 | B16081057-009B | 2.30 ppb |
2016-11-09 | B16110820-001B | 1.50 ppb |
2016-11-09 | B16110820-002B | 1.50 ppb |
2016-11-09 | B16110820-003B | 0.880 ppb |
2016-11-09 | B16110820-004B | 1.70 ppb |
2016-11-09 | B16110820-005B | 1.30 ppb |
2016-11-09 | B16110820-006B | 1.000 ppb |
2016-11-09 | B16110820-007B | 1.70 ppb |
2016-11-09 | B16110820-008B | 1.60 ppb |
2016-11-09 | B16110820-009B | 1.20 ppb |
2017-02-06 | B17020497-005B | 2.00 ppb |
2017-02-06 | B17020497-006B | 3.10 ppb |
2017-02-06 | B17020497-008B | 2.20 ppb |
2017-02-07 | B17020497-004B | 2.60 ppb |
2017-02-07 | B17020497-007B | 2.80 ppb |
2017-02-07 | B17020497-009B | 2.10 ppb |
2017-02-08 | B17020497-003B | 2.40 ppb |
2017-02-08 | B17020497-010B | 2.40 ppb |
2017-05-08 | B17051019-001E | 1.50 ppb |
2017-05-08 | B17051019-002B | 2.70 ppb |
2017-05-08 | B17051019-003B | 2.00 ppb |
2017-05-08 | B17051019-004B | 2.40 ppb |
2017-05-09 | B17051019-005B | 2.70 ppb |
2017-05-09 | B17051019-006B | 2.00 ppb |
2017-05-09 | B17051019-007B | 2.70 ppb |
2017-05-10 | B17051019-008B | 2.00 ppb |
2017-05-10 | B17051019-009B | 2.60 ppb |
2017-08-07 | B17081099-004B | 2.40 ppb |
2017-08-07 | B17081099-005B | 1.70 ppb |
2017-08-07 | B17081099-007B | 2.30 ppb |
2017-08-08 | B17081099-003B | 1.70 ppb |
2017-08-08 | B17081099-006B | 2.00 ppb |
2017-08-08 | B17081099-008B | 2.30 ppb |
2017-08-09 | B17081099-002B | 2.40 ppb |
2017-08-09 | B17081099-009B | 2.40 ppb |
2017-11-06 | B17110842-001B | 3.40 ppb |
2017-11-06 | B17110842-002B | 3.50 ppb |
2017-11-06 | B17110842-003B | 2.70 ppb |
2017-11-07 | B17110842-004B | 2.20 ppb |
2017-11-07 | B17110842-005B | 3.40 ppb |
2017-11-08 | B17110842-006B | 3.40 ppb |
2017-11-08 | B17110842-007B | 3.80 ppb |
2017-11-08 | B17110842-008B | 2.30 ppb |
2017-11-09 | B17110842-009B | 2.60 ppb |
2018-02-05 | B18020545-001H | 2.10 ppb |
2018-02-05 | B18020545-004B | 3.10 ppb |
2018-02-05 | B18020545-005B | 2.60 ppb |
2018-02-06 | B18020545-006B | 3.60 ppb |
2018-02-06 | B18020545-007B | 3.60 ppb |
2018-02-06 | B18020545-008B | 3.60 ppb |
2018-02-06 | B18020545-009B | 3.50 ppb |
2018-02-07 | B18020545-010B | 3.20 ppb |
2018-02-07 | B18020545-011B | 3.50 ppb |
2018-05-07 | B18051134-001H | 3.30 ppb |
2018-05-07 | B18051134-003B | 3.00 ppb |
2018-05-07 | B18051134-004B | 3.00 ppb |
2018-05-08 | B18051134-005B | 4.90 ppb |
2018-05-08 | B18051134-006B | 3.80 ppb |
2018-05-08 | B18051134-007B | 4.00 ppb |
2018-05-08 | B18051134-008B | 4.00 ppb |
2018-05-09 | B18051134-009B | 3.80 ppb |
2018-05-09 | B18051134-010B | 3.00 ppb |
2018-05-09 | B18051134-011B | 3.30 ppb |
2018-08-06 | B18080949-001H | 4.20 ppb |
2018-08-06 | B18080949-003B | 4.10 ppb |
2018-08-06 | B18080949-004B | 3.80 ppb |
2018-08-07 | B18080949-005B | 2.60 ppb |
2018-08-07 | B18080949-006B | 3.40 ppb |
2018-08-07 | B18080949-007B | 3.10 ppb |
2018-08-08 | B18080949-008B | 4.00 ppb |
2018-08-08 | B18080949-009B | 3.90 ppb |
2018-08-08 | B18080949-010B | 4.20 ppb |
2018-11-07 | B18110767-003B | 1.50 ppb |
2018-11-07 | B18110767-004B | 3.10 ppb |
2018-11-07 | B18110767-005B | 3.90 ppb |
2018-11-07 | B18110767-006B | 3.00 ppb |
2018-11-07 | B18110767-007B | 2.80 ppb |
2018-11-08 | B18110767-008B | 2.10 ppb |
2018-11-08 | B18110767-009B | 2.60 ppb |
2018-11-08 | B18110767-010B | 1.40 ppb |
2019-02-11 | B19020608-001H | 2.80 ppb |
2019-02-11 | B19020608-002B | 4.00 ppb |
2019-02-11 | B19020608-003B | 3.70 ppb |
2019-02-11 | B19020608-004B | 3.10 ppb |
2019-02-11 | B19020608-005B | 3.70 ppb |
2019-02-11 | B19020608-006B | 3.70 ppb |
2019-02-11 | B19020608-007B | 3.90 ppb |
2019-02-11 | B19020608-008B | 3.70 ppb |
2019-02-11 | B19020608-009B | 3.60 ppb |
2019-05-13 | B19051523-001B | 2.30 ppb |
2019-05-13 | B19051523-004B | 2.50 ppb |
2019-05-13 | B19051523-009B | 3.00 ppb |
2019-05-14 | B19051523-003B | 3.30 ppb |
2019-05-14 | B19051523-006B | 3.30 ppb |
2019-05-14 | B19051523-008B | 2.70 ppb |
2019-05-15 | B19051523-002B | 2.70 ppb |
2019-05-15 | B19051523-005B | 3.00 ppb |
2019-05-15 | B19051523-007B | 2.70 ppb |
2019-08-12 | B19081432-004B | 2.80 ppb |
2019-08-12 | B19081432-009B | 3.00 ppb |
2019-08-13 | B19081432-003B | 1.50 ppb |
2019-08-13 | B19081432-006B | 1.70 ppb |
2019-08-13 | B19081432-008B | 2.40 ppb |
2019-08-14 | B19081432-002B | 3.40 ppb |
2019-08-14 | B19081432-005B | 3.30 ppb |
2019-08-14 | B19081432-007B | 3.10 ppb |
2019-08-14 | B19081432-010A | 2.40 ppb |
2019-11-13 | B19111116-001B | 2.00 ppb |
2019-11-13 | B19111116-003B | 3.00 ppb |
2019-11-13 | B19111116-004B | 1.40 ppb |
2019-11-13 | B19111116-005B | 2.40 ppb |
2019-11-13 | B19111116-006B | 1.10 ppb |
2019-11-13 | B19111116-007B | 1.20 ppb |
2019-11-13 | B19111116-008B | 3.10 ppb |
2019-11-13 | B19111116-009B | 2.70 ppb |
2019-11-13 | B19111116-010B | 2.40 ppb |