Bromoform
Cranberry Twp WTP
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.429 ppb | 16 | 8 | ND - 1.000 ppb |
| 2019 | 0.878 ppb | 16 | 8 | ND - 3.35 ppb |
| 2020 | 0.674 ppb | 16 | 8 | ND - 2.32 ppb |
| 2021 | 0.378 ppb | 16 | 8 | ND - 0.945 ppb |
| 2022 | 0.420 ppb | 16 | 4 | ND - 2.10 ppb |
| 2023 | 0.987 ppb | 17 | 9 | ND - 3.21 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 |
|---|---|---|
| 2018-01-15 | 01181825 | 1.000 ppb |
| 2018-01-15 | 01181824 | ND |
| 2018-01-15 | 01181822 | 1.000 ppb |
| 2018-01-15 | 01181823 | 1.000 ppb |
| 2018-04-16 | 18D1027-03 | ND |
| 2018-04-16 | 18D1027-01 | ND |
| 2018-04-16 | 18D1027-04 | 1.000 ppb |
| 2018-04-16 | 18D1027-02 | ND |
| 2018-07-16 | 18G1299-03 | 0.902 ppb |
| 2018-07-16 | 18G1299-01 | 0.709 ppb |
| 2018-07-16 | 18G1299-04 | 0.591 ppb |
| 2018-07-16 | 18G1299-02 | 0.655 ppb |
| 2018-10-15 | 18J0219-02 | ND |
| 2018-10-15 | 18J0219-03 | ND |
| 2018-10-15 | 18J0219-04 | ND |
| 2018-10-15 | 18J0219-01 | ND |
| 2019-01-18 | 19A1649-02 | ND |
| 2019-01-18 | 19A1649-04 | ND |
| 2019-01-18 | 19A1649-03 | ND |
| 2019-01-18 | 19A1649-01 | ND |
| 2019-04-15 | 19D0090-03 | 0.596 ppb |
| 2019-04-15 | 19D0090-02 | ND |
| 2019-04-15 | 19D0090-01 | ND |
| 2019-04-15 | 19D0090-04 | ND |
| 2019-07-15 | 19G0435-01 | 0.587 ppb |
| 2019-07-15 | 19G0435-03 | ND |
| 2019-07-15 | 19G0435-02 | 0.650 ppb |
| 2019-07-15 | 19G0435-04 | 0.632 ppb |
| 2019-10-15 | 19J0107-04 | 2.48 ppb |
| 2019-10-15 | 19J0107-03 | 3.35 ppb |
| 2019-10-15 | 19J0107-02 | 3.04 ppb |
| 2019-10-15 | 19J0107-01 | 2.72 ppb |
| 2020-01-14 | ND | |
| 2020-01-14 | ND | |
| 2020-01-14 | ND | |
| 2020-01-14 | ND | |
| 2020-04-14 | ND | |
| 2020-04-14 | ND | |
| 2020-04-14 | ND | |
| 2020-04-14 | ND | |
| 2020-07-14 | 0.693 ppb | |
| 2020-07-14 | 0.621 ppb | |
| 2020-07-14 | 0.587 ppb | |
| 2020-07-14 | 0.546 ppb | |
| 2020-10-13 | 2.11 ppb | |
| 2020-10-13 | 1.91 ppb | |
| 2020-10-13 | 2.32 ppb | |
| 2020-10-13 | 2.00 ppb | |
| 2021-01-19 | ND | |
| 2021-01-19 | 0.817 ppb | |
| 2021-01-19 | ND | |
| 2021-01-19 | ND | |
| 2021-04-13 | 0.900 ppb | |
| 2021-04-13 | ND | |
| 2021-04-13 | 0.780 ppb | |
| 2021-04-13 | 0.644 ppb | |
| 2021-07-13 | ND | |
| 2021-07-13 | 0.633 ppb | |
| 2021-07-13 | ND | |
| 2021-07-13 | 0.761 ppb | |
| 2021-10-12 | 0.563 ppb | |
| 2021-10-12 | 0.945 ppb | |
| 2021-10-12 | ND | |
| 2021-10-12 | ND | |
| 2022-01-18 | ND | |
| 2022-01-18 | ND | |
| 2022-01-18 | ND | |
| 2022-01-18 | ND | |
| 2022-04-19 | ND | |
| 2022-04-19 | ND | |
| 2022-04-19 | ND | |
| 2022-04-19 | ND | |
| 2022-07-19 | 1.62 ppb | |
| 2022-07-19 | 1.39 ppb | |
| 2022-07-19 | 1.61 ppb | |
| 2022-07-19 | 2.10 ppb | |
| 2022-10-18 | ND | |
| 2022-10-18 | ND | |
| 2022-10-18 | ND | |
| 2022-10-18 | ND | |
| 2023-01-17 | ND | |
| 2023-01-17 | ND | |
| 2023-01-17 | ND | |
| 2023-01-17 | ND | |
| 2023-04-18 | ND | |
| 2023-04-18 | ND | |
| 2023-04-18 | ND | |
| 2023-04-18 | ND | |
| 2023-07-18 | 2.94 ppb | |
| 2023-07-18 | 2.93 ppb | |
| 2023-07-18 | 3.10 ppb | |
| 2023-07-18 | 3.21 ppb | |
| 2023-10-17 | 0.916 ppb | |
| 2023-10-17 | 0.936 ppb | |
| 2023-10-17 | 0.888 ppb | |
| 2023-10-17 | 0.917 ppb | |
| 2023-10-17 | 0.947 ppb |