Know Your Environment. Protect Your Health.

Bromochloroacetic acid

Port Townsend City Of

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.

 

80

Samples

0

Samples exceeding legal limit (MCL)

34

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.663 ppb168ND - 2.00 ppb
20190.356 ppb165ND - 1.20 ppb
2020N/A00N/A
20210.650 ppb168ND - 1.40 ppb
20220.356 ppb164ND - 1.60 ppb
20230.619 ppb169ND - 1.30 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-131.000 ppb
2018-02-131.000 ppb
2018-02-131.000 ppb
2018-02-13ND
2018-05-08ND
2018-05-08ND
2018-05-08ND
2018-05-080.800 ppb
2018-08-13ND
2018-08-13ND
2018-08-13ND
2018-08-13ND
2018-11-051.70 ppb
2018-11-051.60 ppb
2018-11-052.00 ppb
2018-11-051.50 ppb
2019-02-05ND
2019-02-05ND
2019-02-05ND
2019-02-05ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-08-05ND
2019-08-051.20 ppb
2019-08-051.10 ppb
2019-08-051.10 ppb
2019-10-04ND
2019-11-041.20 ppb
2019-11-041.10 ppb
2019-11-04ND
2021-02-0140757541.30 ppb
2021-02-0140757481.20 ppb
2021-02-0140757501.40 ppb
2021-02-0140757461.40 ppb
2021-05-034112906ND
2021-05-034112908ND
2021-05-034112912ND
2021-05-034112910ND
2021-08-094159181ND
2021-08-094159185ND
2021-08-094159183ND
2021-08-094159187ND
2021-11-0842027461.20 ppb
2021-11-0842027391.20 ppb
2021-11-0842027431.40 ppb
2021-11-0842027411.30 ppb
2022-02-074242025ND
2022-02-074242013ND
2022-02-074242019ND
2022-02-074242015ND
2022-05-094302603ND
2022-05-094302601ND
2022-05-094302605ND
2022-05-0943026071.000 ppb
2022-08-084335173ND
2022-08-084335175ND
2022-08-084335169ND
2022-08-084335171ND
2022-11-0243765581.50 ppb
2022-11-0243765621.60 ppb
2022-11-0243765601.60 ppb
2022-11-024376556ND
2023-02-0744517491.000 ppb
2023-02-0744517531.10 ppb
2023-02-0744517511.30 ppb
2023-02-074451747ND
2023-05-084457466ND
2023-05-084457464ND
2023-05-084457470ND
2023-05-084457468ND
2023-08-0744994501.000 ppb
2023-08-0744994541.000 ppb
2023-08-074499452ND
2023-08-074499448ND
2023-11-1345556171.10 ppb
2023-11-1345556121.10 ppb
2023-11-1345556211.20 ppb
2023-11-1345556141.10 ppb