Know Your Environment. Protect Your Health.

Bromochloroacetic acid

City of Redmond Water System

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.

 

160

Samples

0

Samples exceeding legal limit (MCL)

32

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.298 ppb326ND - 2.30 ppb
20190.299 ppb326ND - 1.88 ppb
2020N/A00N/A
20210.358 ppb327ND - 2.66 ppb
20220.234 ppb325ND - 2.27 ppb
20230.369 ppb328ND - 2.05 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
2018-01-10ND
2018-01-10ND
2018-01-101.48 ppb
2018-01-10ND
2018-01-10ND
2018-01-10ND
2018-01-10ND
2018-01-10ND
2018-04-04ND
2018-04-04ND
2018-04-041.84 ppb
2018-04-04ND
2018-04-04ND
2018-04-04ND
2018-04-04ND
2018-04-041.20 ppb
2018-07-03ND
2018-07-03ND
2018-07-032.30 ppb
2018-07-03ND
2018-07-03ND
2018-07-03ND
2018-07-03ND
2018-07-031.17 ppb
2018-10-03ND
2018-10-03ND
2018-10-031.56 ppb
2018-10-03ND
2018-10-03ND
2018-10-03ND
2018-10-03ND
2018-10-03ND
2019-01-09ND
2019-01-09ND
2019-01-091.83 ppb
2019-01-09ND
2019-01-09ND
2019-01-09ND
2019-01-09ND
2019-01-09ND
2019-04-03ND
2019-04-03ND
2019-04-031.74 ppb
2019-04-03ND
2019-04-03ND
2019-04-03ND
2019-04-03ND
2019-04-031.20 ppb
2019-07-01ND
2019-07-01ND
2019-07-011.85 ppb
2019-07-01ND
2019-07-01ND
2019-07-01ND
2019-07-01ND
2019-07-011.06 ppb
2019-10-02ND
2019-10-02ND
2019-10-021.88 ppb
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2019-10-02ND
2021-01-0640642651.20 ppb
2021-01-064064264ND
2021-01-064064266ND
2021-01-064064259ND
2021-01-064064260ND
2021-01-064064263ND
2021-01-0640642611.88 ppb
2021-01-064064262ND
2021-04-0741015851.59 ppb
2021-04-074101584ND
2021-04-074101590ND
2021-04-074101588ND
2021-04-074101583ND
2021-04-074101586ND
2021-04-074101587ND
2021-04-0741015891.04 ppb
2021-07-074172254ND
2021-07-074172252ND
2021-07-074172248ND
2021-07-074172250ND
2021-07-074172247ND
2021-07-0741722492.66 ppb
2021-07-074172251ND
2021-07-0741722531.60 ppb
2021-10-064195668ND
2021-10-064195667ND
2021-10-064195674ND
2021-10-064195670ND
2021-10-0641956691.49 ppb
2021-10-064195673ND
2021-10-064195672ND
2021-10-064195671ND
2022-01-1242300351.46 ppb
2022-01-124230037ND
2022-01-1242300391.44 ppb
2022-01-124230040ND
2022-01-124230033ND
2022-01-124230034ND
2022-01-124230038ND
2022-01-124230036ND
2022-04-064270490ND
2022-04-064270486ND
2022-04-064270488ND
2022-04-064270491ND
2022-04-064270492ND
2022-04-064270489ND
2022-04-064270487ND
2022-04-064270493ND
2022-07-064310232ND
2022-07-064310228ND
2022-07-064310230ND
2022-07-064310227ND
2022-07-0643102331.30 ppb
2022-07-064310234ND
2022-07-0643102292.27 ppb
2022-07-064310231ND
2022-10-0543619151.01 ppb
2022-10-054361913ND
2022-10-054361917ND
2022-10-054361919ND
2022-10-054361918ND
2022-10-054361920ND
2022-10-054361916ND
2022-10-054361914ND
2023-01-034397663ND
2023-01-034397661ND
2023-01-0343976661.48 ppb
2023-01-0343976621.60 ppb
2023-01-034397664ND
2023-01-034397667ND
2023-01-034397665ND
2023-01-034397660ND
2023-04-074442026ND
2023-04-074442024ND
2023-04-074442022ND
2023-04-074442028ND
2023-04-074442021ND
2023-04-0744420231.68 ppb
2023-04-074442025ND
2023-04-0744420271.30 ppb
2023-07-074482763ND
2023-07-074482757ND
2023-07-074482758ND
2023-07-074482760ND
2023-07-074482762ND
2023-07-074482764ND
2023-07-0744827592.05 ppb
2023-07-074482761ND
2023-10-0245293301.04 ppb
2023-10-024529332ND
2023-10-024529328ND
2023-10-0245293271.05 ppb
2023-10-0245293291.60 ppb
2023-10-024529334ND
2023-10-024529331ND
2023-10-024529333ND