Know Your Environment. Protect Your Health.

Bromoform

Littleton Water Department

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.

 

72

Samples

0

Samples exceeding legal limit (MCL)

23

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.673 ppb164ND - 4.78 ppb
20190.590 ppb166ND - 3.41 ppb
20200.706 ppb85ND - 2.34 ppb
20210.644 ppb114ND - 2.72 ppb
20220.0667 ppb91ND - 0.600 ppb
20230.258 ppb123ND - 1.80 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 Result
2018-04-11ND
2018-04-11ND
2018-05-01ND
2018-05-01ND
2018-05-01ND
2018-05-01ND
2018-05-01ND
2018-05-01ND
2018-05-07ND
2018-05-070.600 ppb
2018-05-070.600 ppb
2018-05-07ND
2018-06-19ND
2018-06-19ND
2018-08-214.78 ppb
2018-08-214.78 ppb
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-01ND
2019-05-010.800 ppb
2019-05-010.800 ppb
2019-05-01ND
2019-05-30ND
2019-05-30ND
2019-06-05ND
2019-06-05ND
2019-06-170.510 ppb
2019-06-170.510 ppb
2019-08-063.41 ppb
2019-08-063.41 ppb
2020-05-140.960 ppb
2020-05-140.650 ppb
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-05-260.810 ppb
2020-06-160.890 ppb
2020-08-182.34 ppb
2021-04-05ND
2021-04-05ND
2021-04-050.750 ppb
2021-04-05ND
2021-04-05ND
2021-04-12ND
2021-06-090.890 ppb
2021-07-26ND
2021-08-252.72 ppb
2021-08-252.72 ppb
2021-10-21ND
2022-02-16ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-18ND
2022-05-180.600 ppb
2023-05-250.600 ppb
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-16ND
2023-06-160.700 ppb
2023-07-20ND
2023-08-221.80 ppb
2023-10-04ND