Know Your Environment. Protect Your Health.

Bromoform

Canton PWS

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

36

Samples

0

Samples exceeding legal limit (MCL)

25

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.683 ppb65ND - 1.12 ppb
20190.770 ppb220.740 ppb - 0.800 ppb
20200.647 ppb32ND - 0.970 ppb
20210.209 ppb83ND - 0.590 ppb
20220.420 ppb86ND - 0.660 ppb
20230.518 ppb97ND - 0.790 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-24AD113610.930 ppb
2018-01-24AD113600.630 ppb
2018-04-18AD18033ND
2018-04-19AD180340.590 ppb
2018-07-25AD292310.830 ppb
2018-07-25AD292321.12 ppb
2019-07-23AD518520.800 ppb
2019-07-23AD518510.740 ppb
2020-07-072009877ND
2020-09-2420113890.970 ppb
2020-09-2420113900.970 ppb
2021-03-0321015040.590 ppb
2021-03-032101505ND
2021-06-142103562ND
2021-06-142103561ND
2021-09-0821134160.510 ppb
2021-09-0821134170.570 ppb
2021-12-142118002ND
2021-12-142118003ND
2022-03-0821213730.560 ppb
2022-03-0821213740.660 ppb
2022-05-2422041810.530 ppb
2022-05-2422041820.560 ppb
2022-09-132214532ND
2022-09-132214533ND
2022-12-1322195470.520 ppb
2022-12-1322195480.530 ppb
2023-03-0722229710.560 ppb
2023-03-072222970ND
2023-05-1623032740.750 ppb
2023-05-1623032750.790 ppb
2023-06-272312400ND
2023-09-1223113870.720 ppb
2023-09-1223113860.610 ppb
2023-12-1223166750.560 ppb
2023-12-1223166760.670 ppb