Know Your Environment. Protect Your Health.

Dibromoacetic acid

St Charles Water District 1 East Bank

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

224

Samples

0

Samples exceeding legal limit (MCL)

189

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.29 ppb3224ND - 2.50 ppb
20191.36 ppb64640.520 ppb - 5.50 ppb
20200.890 ppb3222ND - 2.30 ppb
20211.17 ppb32320.630 ppb - 1.90 ppb
20221.31 ppb3225ND - 2.30 ppb
20231.00 ppb3222ND - 2.00 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for dibromoacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-1335380152001ND
2018-03-1335380152002ND
2018-03-1335380152003ND
2018-03-1335380152004ND
2018-03-1335380152001ND
2018-03-1335380152002ND
2018-03-1335380152003ND
2018-03-1335380152004ND
2018-06-12353981210012.00 ppb
2018-06-12353981210021.80 ppb
2018-06-12353981210031.80 ppb
2018-06-12353981210041.90 ppb
2018-06-12353981210012.00 ppb
2018-06-12353981210021.80 ppb
2018-06-12353981210031.80 ppb
2018-06-12353981210041.90 ppb
2018-09-20354194600012.50 ppb
2018-09-20354194600022.40 ppb
2018-09-20354194600032.40 ppb
2018-09-20354194600042.50 ppb
2018-09-20354194600012.50 ppb
2018-09-20354194600022.40 ppb
2018-09-20354194600032.40 ppb
2018-09-20354194600042.50 ppb
2018-12-13354372520010.830 ppb
2018-12-13354372520020.780 ppb
2018-12-13354372520030.780 ppb
2018-12-13354372520040.920 ppb
2018-12-13354372520010.830 ppb
2018-12-13354372520020.780 ppb
2018-12-13354372520030.780 ppb
2018-12-13354372520040.920 ppb
2019-03-14354547050010.930 ppb
2019-03-14354547050020.840 ppb
2019-03-14354547050030.870 ppb
2019-03-14354547050045.50 ppb
2019-03-14354547050010.930 ppb
2019-03-14354547050020.840 ppb
2019-03-14354547050030.870 ppb
2019-03-14354547050045.50 ppb
2019-06-12354756930010.950 ppb
2019-06-12354756930020.860 ppb
2019-06-12354756930030.630 ppb
2019-06-12354756930040.880 ppb
2019-06-12354756930010.950 ppb
2019-06-12354756930020.860 ppb
2019-06-12354756930030.630 ppb
2019-06-12354756930040.880 ppb
2019-09-05354952030011.50 ppb
2019-09-05354952030021.30 ppb
2019-09-05354952030031.40 ppb
2019-09-05354952030041.50 ppb
2019-09-05354952030051.50 ppb
2019-09-05354952030061.50 ppb
2019-09-05354952030071.70 ppb
2019-09-05354952030081.50 ppb
2019-09-05354952030011.50 ppb
2019-09-05354952030021.30 ppb
2019-09-05354952030031.40 ppb
2019-09-05354952030041.50 ppb
2019-09-05354952030051.50 ppb
2019-09-05354952030061.50 ppb
2019-09-05354952030071.70 ppb
2019-09-05354952030081.50 ppb
2019-10-10355044230011.70 ppb
2019-10-10355044230021.70 ppb
2019-10-10355044230031.90 ppb
2019-10-10355044230041.80 ppb
2019-10-10355044230051.70 ppb
2019-10-10355044230061.80 ppb
2019-10-10355044230072.80 ppb
2019-10-10355044230081.80 ppb
2019-10-10355044230011.70 ppb
2019-10-10355044230021.70 ppb
2019-10-10355044230031.90 ppb
2019-10-10355044230041.80 ppb
2019-10-10355044230051.70 ppb
2019-10-10355044230061.80 ppb
2019-10-10355044230072.80 ppb
2019-10-10355044230081.80 ppb
2019-12-10355181260010.520 ppb
2019-12-10355181260020.560 ppb
2019-12-10355181260030.570 ppb
2019-12-10355181260040.740 ppb
2019-12-10355181260050.710 ppb
2019-12-10355181260060.590 ppb
2019-12-10355181260070.640 ppb
2019-12-10355181260080.570 ppb
2019-12-10355181260010.520 ppb
2019-12-10355181260020.560 ppb
2019-12-10355181260030.570 ppb
2019-12-10355181260040.740 ppb
2019-12-10355181260050.710 ppb
2019-12-10355181260060.590 ppb
2019-12-10355181260070.640 ppb
2019-12-10355181260080.570 ppb
2020-03-05355355240010.580 ppb
2020-03-05355355240020.580 ppb
2020-03-05355355240030.580 ppb
2020-03-05355355240040.630 ppb
2020-03-05355355240050.620 ppb
2020-03-05355355240060.620 ppb
2020-03-0535535524007ND
2020-03-0535535524008ND
2020-06-1835557773001ND
2020-06-1835557773002ND
2020-06-1835557773003ND
2020-06-1835557773004ND
2020-06-1835557773005ND
2020-06-1835557773006ND
2020-06-1835557773007ND
2020-06-1835557773008ND
2020-09-18355790100012.00 ppb
2020-09-18355790100022.00 ppb
2020-09-18355790100032.10 ppb
2020-09-18355790100042.30 ppb
2020-09-18355790100052.20 ppb
2020-09-18355790100062.30 ppb
2020-09-18355790100072.20 ppb
2020-09-18355790100081.90 ppb
2020-12-11355985460010.850 ppb
2020-12-11355985460020.890 ppb
2020-12-11355985460030.930 ppb
2020-12-11355985460040.940 ppb
2020-12-11355985460051.10 ppb
2020-12-11355985460061.10 ppb
2020-12-11355985460070.960 ppb
2020-12-11355985460081.10 ppb
2021-03-11356186770011.10 ppb
2021-03-11356186770021.10 ppb
2021-03-11356186770031.20 ppb
2021-03-11356186770041.10 ppb
2021-03-11356186770051.000 ppb
2021-03-11356186770060.990 ppb
2021-03-11356186770070.880 ppb
2021-03-11356186770080.870 ppb
2021-06-09356397430010.670 ppb
2021-06-09356397430020.650 ppb
2021-06-09356397430030.640 ppb
2021-06-09356397430040.670 ppb
2021-06-09356397430050.670 ppb
2021-06-09356397430060.640 ppb
2021-06-09356397430070.650 ppb
2021-06-09356397430080.630 ppb
2021-09-22356660650011.20 ppb
2021-09-22356660650021.30 ppb
2021-09-22356660650031.20 ppb
2021-09-22356660650041.40 ppb
2021-09-22356660650051.30 ppb
2021-09-22356660650061.10 ppb
2021-09-22356660650071.30 ppb
2021-09-22356660650081.10 ppb
2021-12-21356859490011.60 ppb
2021-12-21356859490021.60 ppb
2021-12-21356859490031.70 ppb
2021-12-21356859490041.90 ppb
2021-12-21356859490051.90 ppb
2021-12-21356859490061.80 ppb
2021-12-21356859490071.60 ppb
2021-12-21356859490081.90 ppb
2022-03-02357015600011.20 ppb
2022-03-02357015600021.10 ppb
2022-03-02357015600031.10 ppb
2022-03-02357015600041.10 ppb
2022-03-02357015600051.20 ppb
2022-03-02357015600061.20 ppb
2022-03-02357015600071.10 ppb
2022-03-02357015600081.20 ppb
2022-06-09B2202697-0011.01 ppb
2022-06-09B2202697-002ND
2022-06-09B2202697-003ND
2022-06-09B2202697-004ND
2022-06-09B2202697-005ND
2022-06-09B2202697-006ND
2022-06-09B2202697-007ND
2022-06-09B2202697-008ND
2022-09-15357472180011.60 ppb
2022-09-15357472180021.40 ppb
2022-09-15357472180031.80 ppb
2022-09-15357472180042.20 ppb
2022-09-15357472180052.00 ppb
2022-09-15357472180062.20 ppb
2022-09-15357472180072.30 ppb
2022-09-15357472180081.80 ppb
2022-12-15357672030012.00 ppb
2022-12-15357672030021.80 ppb
2022-12-15357672030032.00 ppb
2022-12-15357672030042.10 ppb
2022-12-15357672030052.10 ppb
2022-12-15357672030062.20 ppb
2022-12-15357672030072.30 ppb
2022-12-15357672030082.00 ppb
2023-03-1435785900001ND
2023-03-1435785900002ND
2023-03-1435785900003ND
2023-03-1435785900004ND
2023-03-1435785900005ND
2023-03-1435785900006ND
2023-03-1435785900007ND
2023-03-1435785900008ND
2023-06-0935805553001ND
2023-06-0935805553002ND
2023-06-09358055530030.710 ppb
2023-06-09358055530040.830 ppb
2023-06-09358055530050.720 ppb
2023-06-09358055530060.830 ppb
2023-06-09358055530070.800 ppb
2023-06-09358055530080.640 ppb
2023-09-06358261170011.40 ppb
2023-09-06358261170021.40 ppb
2023-09-06358261170031.50 ppb
2023-09-06358261170041.70 ppb
2023-09-06358261170051.70 ppb
2023-09-06358261170062.00 ppb
2023-09-06358261170071.90 ppb
2023-09-06358261170081.50 ppb
2023-12-19358493650011.90 ppb
2023-12-19358493650021.80 ppb
2023-12-19358493650032.00 ppb
2023-12-19358493650041.90 ppb
2023-12-19358493650061.60 ppb
2023-12-19358493650071.90 ppb
2023-12-19358493650081.60 ppb
2023-12-19358499910011.80 ppb