Know Your Environment. Protect Your Health.

Bromoform

Chatham Co-asbury

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.36 ppb83ND - 13.1 ppb
20190.571 ppb41ND - 2.29 ppb
2020ND80ND
20213.51 ppb85ND - 9.18 ppb
20227.28 ppb87ND - 15.3 ppb
20232.30 ppb85ND - 6.81 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
2018-02-2037729_18-06646ND
2018-02-2037729_18-0664413.1 ppb
2018-05-0837729_18-18351ND
2018-05-0837729_18-18342ND
2018-08-1537729_18-339383.20 ppb
2018-08-1537729_18-339392.60 ppb
2018-11-1437729_18-48257ND
2018-11-1437729_18-48258ND
2019-05-1337729_19-19851ND
2019-05-1337729_19-19852ND
2019-08-1337729_19-347022.29 ppb
2019-08-1337729_19-34703ND
2020-02-1137729_20-05881ND
2020-02-1137729_20-05883ND
2020-05-1837729_20-20544ND
2020-05-1837729_20-20545ND
2020-08-1137729_20-34181ND
2020-08-1137729_20-34183ND
2020-11-0937729_20-48844AND
2020-11-0937729_20-48845AND
2021-02-0837729_21-05796ND
2021-02-0837729_21-05797ND
2021-05-1037729_21-19050AND
2021-05-1037729_21-19052A5.00 ppb
2021-08-0937729_21-343154.00 ppb
2021-08-0937729_21-343174.00 ppb
2021-11-0937729_21-500145.87 ppb
2021-11-0937729_21-500159.18 ppb
2022-02-0837729_22-063101.64 ppb
2022-02-0837729_22-063121.60 ppb
2022-05-0937729_22-20841ND
2022-05-0937729_22-208421.01 ppb
2022-08-1637729_22-3928013.6 ppb
2022-08-1637729_22-3926610.6 ppb
2022-11-1537729_22-5656214.6 ppb
2022-11-1537729_22-5656315.3 ppb
2023-02-0737729_23-07090ND
2023-02-0737729_23-07091ND
2023-05-0937729_23-239081.69 ppb
2023-05-0937729_23-23909ND
2023-08-0837729_23-443153.04 ppb
2023-08-0837729_23-443163.01 ppb
2023-11-0737729_23-634143.84 ppb
2023-11-0737729_23-634156.81 ppb