Know Your Environment. Protect Your Health.

Bromoform

City of Bismarck

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.

 

192

Samples

0

Samples exceeding legal limit (MCL)

74

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND320ND
20190.0156 ppb321ND - 0.500 ppb
20200.382 ppb3218ND - 0.830 ppb
20210.627 ppb3224ND - 1.06 ppb
20220.559 ppb3216ND - 1.20 ppb
20230.645 ppb3216ND - 1.59 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
2018-01-1718-S65ND
2018-01-1718-S64ND
2018-01-1718-S63ND
2018-01-1718-S61ND
2018-01-1718-S60ND
2018-01-1718-S59ND
2018-01-1718-S66ND
2018-01-1718-S62ND
2018-04-1818-S551ND
2018-04-1818-S554ND
2018-04-1818-S552ND
2018-04-1818-S557ND
2018-04-1818-S555ND
2018-04-1818-S553ND
2018-04-1818-S556ND
2018-04-1818-S550ND
2018-07-1718-S1127ND
2018-07-1718-S1129ND
2018-07-1718-S1132ND
2018-07-1718-S1131ND
2018-07-1718-S1130ND
2018-07-1718-S1128ND
2018-07-1718-S1126ND
2018-07-1718-S1125ND
2018-10-1618-S2275ND
2018-10-1618-S2270ND
2018-10-1618-S2274ND
2018-10-1618-S2273ND
2018-10-1618-S2272ND
2018-10-1618-S2277ND
2018-10-1618-S2271ND
2018-10-1618-S2276ND
2019-01-1419-S20ND
2019-01-1419-S22ND
2019-01-1419-S24ND
2019-01-1419-S25ND
2019-01-1419-S21ND
2019-01-1419-S26ND
2019-01-1419-S19ND
2019-01-1419-S23ND
2019-04-1619-S426ND
2019-04-1619-S4220.500 ppb
2019-04-1619-S421ND
2019-04-1619-S425ND
2019-04-1619-S428ND
2019-04-1619-S427ND
2019-04-1619-S424ND
2019-04-1619-S423ND
2019-07-1519-S1092ND
2019-07-1519-S1093ND
2019-07-1519-S1095ND
2019-07-1519-S1098ND
2019-07-1519-S1097ND
2019-07-1519-S1096ND
2019-07-1519-S1094ND
2019-07-1519-S1091ND
2019-10-1519-S2315ND
2019-10-1519-S2313ND
2019-10-1519-S2316ND
2019-10-1519-S2314ND
2019-10-1519-S2311ND
2019-10-1519-S2318ND
2019-10-1519-S2312ND
2019-10-1519-S2317ND
2020-01-143602730.630 ppb
2020-01-143602740.620 ppb
2020-01-143602750.660 ppb
2020-01-143602760.580 ppb
2020-01-14360277ND
2020-01-143602780.640 ppb
2020-01-143602790.620 ppb
2020-01-143602800.620 ppb
2020-04-133630600.830 ppb
2020-04-133630610.770 ppb
2020-04-133630620.770 ppb
2020-04-133630630.720 ppb
2020-04-133630640.800 ppb
2020-04-133630650.790 ppb
2020-04-133630660.730 ppb
2020-04-133630670.790 ppb
2020-07-20369574ND
2020-07-20369567ND
2020-07-20369569ND
2020-07-20369570ND
2020-07-20369573ND
2020-07-20369571ND
2020-07-20369572ND
2020-07-20369568ND
2020-10-14372372ND
2020-10-143723650.590 ppb
2020-10-14372367ND
2020-10-14372368ND
2020-10-143723710.540 ppb
2020-10-14372369ND
2020-10-14372370ND
2020-10-143723660.530 ppb
2021-01-113758951.000 ppb
2021-01-113758990.910 ppb
2021-01-113759010.960 ppb
2021-01-113758981.04 ppb
2021-01-113758930.980 ppb
2021-01-113759180.960 ppb
2021-01-113759190.940 ppb
2021-01-113759000.960 ppb
2021-04-133787800.840 ppb
2021-04-133787730.720 ppb
2021-04-133787750.760 ppb
2021-04-133787760.890 ppb
2021-04-133787780.830 ppb
2021-04-133787770.700 ppb
2021-04-133787790.760 ppb
2021-04-133787740.930 ppb
2021-07-20382951ND
2021-07-20382952ND
2021-07-20382953ND
2021-07-20382954ND
2021-07-20382955ND
2021-07-20382956ND
2021-07-20382957ND
2021-07-20382958ND
2021-10-113890930.590 ppb
2021-10-113890941.06 ppb
2021-10-113890950.810 ppb
2021-10-113890960.530 ppb
2021-10-113890970.940 ppb
2021-10-113890980.650 ppb
2021-10-113890990.740 ppb
2021-10-113891000.550 ppb
2022-01-103911991.06 ppb
2022-01-103912001.07 ppb
2022-01-103912011.06 ppb
2022-01-103911771.13 ppb
2022-01-103911781.09 ppb
2022-01-103911791.07 ppb
2022-01-103911801.02 ppb
2022-01-103911811.11 ppb
2022-04-113942091.16 ppb
2022-04-113942101.12 ppb
2022-04-113942111.15 ppb
2022-04-113942121.14 ppb
2022-04-113942131.20 ppb
2022-04-113942141.20 ppb
2022-04-113942151.20 ppb
2022-04-113942161.12 ppb
2022-07-18398383ND
2022-07-18398384ND
2022-07-18398385ND
2022-07-18398386ND
2022-07-18398387ND
2022-07-18398388ND
2022-07-18398389ND
2022-07-18398390ND
2022-10-04402549ND
2022-10-04402550ND
2022-10-04402551ND
2022-10-04402552ND
2022-10-04402556ND
2022-10-04402554ND
2022-10-04402555ND
2022-10-04402553ND
2023-01-104058271.59 ppb
2023-01-104058281.53 ppb
2023-01-104058291.54 ppb
2023-01-104058301.41 ppb
2023-01-104058311.31 ppb
2023-01-104058321.58 ppb
2023-01-104058331.53 ppb
2023-01-104058341.33 ppb
2023-04-104100611.14 ppb
2023-04-104100621.08 ppb
2023-04-104100631.09 ppb
2023-04-104100641.12 ppb
2023-04-104100651.06 ppb
2023-04-104100661.08 ppb
2023-04-104100671.10 ppb
2023-04-104100681.16 ppb
2023-07-25414977ND
2023-07-25414978ND
2023-07-25414979ND
2023-07-25414980ND
2023-07-25414981ND
2023-07-25414982ND
2023-07-25414983ND
2023-07-25414984ND
2023-10-10417922ND
2023-10-10418623ND
2023-10-10418624ND
2023-10-10418625ND
2023-10-10418626ND
2023-10-10418627ND
2023-10-10418628ND
2023-10-10418629ND