Know Your Environment. Protect Your Health.

Bromoform

Hampton Shaler Water Authority

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)

149

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.88 ppb3227ND - 8.00 ppb
20191.77 ppb3230ND - 3.69 ppb
20203.03 ppb3226ND - 8.44 ppb
20211.88 ppb3231ND - 2.79 ppb
20220.582 ppb3211ND - 2.40 ppb
20231.52 ppb3224ND - 9.03 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
2018-02-08021812042.00 ppb
2018-02-08021812052.00 ppb
2018-02-08021812061.000 ppb
2018-02-0802181207ND
2018-02-08021812081.000 ppb
2018-02-08021812098.00 ppb
2018-02-08021812105.00 ppb
2018-02-09021812111.000 ppb
2018-05-0918E0876-011.46 ppb
2018-05-0918E0876-021.36 ppb
2018-05-0918E0876-03ND
2018-05-0918E0876-04ND
2018-05-0918E0876-051.44 ppb
2018-05-0918E0876-061.42 ppb
2018-05-0918E0876-071.28 ppb
2018-05-0918E0876-080.730 ppb
2018-08-0818H0365-013.37 ppb
2018-08-0818H0365-023.03 ppb
2018-08-0818H0365-032.71 ppb
2018-08-0818H0365-043.06 ppb
2018-08-0818H0365-052.64 ppb
2018-08-0818H0365-063.14 ppb
2018-08-0818H0365-072.60 ppb
2018-08-0818H0365-082.96 ppb
2018-11-0718K0954-011.49 ppb
2018-11-0718K0954-02ND
2018-11-0718K0954-03ND
2018-11-0718K0954-041.22 ppb
2018-11-0718K0954-051.38 ppb
2018-11-0718K0954-061.63 ppb
2018-11-0718K0954-071.61 ppb
2018-11-0718K0954-081.51 ppb
2019-02-0819B0573-012.13 ppb
2019-02-0819B0573-021.48 ppb
2019-02-0819B0573-03ND
2019-02-0819B0573-04ND
2019-02-0819B0573-051.42 ppb
2019-02-0819B0573-061.52 ppb
2019-02-0819B0573-071.59 ppb
2019-02-0819B0573-081.41 ppb
2019-05-0719E0151-011.54 ppb
2019-05-0719E0151-020.996 ppb
2019-05-0719E0151-032.07 ppb
2019-05-0719E0151-041.18 ppb
2019-05-0719E0151-051.23 ppb
2019-05-0719E0151-061.45 ppb
2019-05-0719E0151-071.31 ppb
2019-05-0719E0151-081.30 ppb
2019-08-0719H0175-012.38 ppb
2019-08-0719H0175-021.61 ppb
2019-08-0719H0175-031.64 ppb
2019-08-0719H0175-041.69 ppb
2019-08-0719H0175-051.91 ppb
2019-08-0719H0175-061.91 ppb
2019-08-0719H0175-071.88 ppb
2019-08-0719H0175-081.75 ppb
2019-11-1219K0166-013.69 ppb
2019-11-1219K0166-021.64 ppb
2019-11-1219K0166-033.17 ppb
2019-11-1219K0166-042.91 ppb
2019-11-1219K0166-052.41 ppb
2019-11-1219K0166-062.53 ppb
2019-11-1219K0166-072.36 ppb
2019-11-1219K0166-082.63 ppb
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-100.506 ppb
2020-02-105.26 ppb
2020-02-10ND
2020-05-070.949 ppb
2020-05-071.08 ppb
2020-05-070.937 ppb
2020-05-070.838 ppb
2020-05-071.03 ppb
2020-05-070.677 ppb
2020-05-071.10 ppb
2020-05-070.891 ppb
2020-08-104.72 ppb
2020-08-103.41 ppb
2020-08-103.08 ppb
2020-08-103.92 ppb
2020-08-104.07 ppb
2020-08-104.60 ppb
2020-08-103.45 ppb
2020-08-103.32 ppb
2020-11-105.94 ppb
2020-11-105.66 ppb
2020-11-108.44 ppb
2020-11-106.98 ppb
2020-11-105.74 ppb
2020-11-107.36 ppb
2020-11-107.35 ppb
2020-11-105.74 ppb
2021-02-101.87 ppb
2021-02-101.56 ppb
2021-02-102.39 ppb
2021-02-101.42 ppb
2021-02-101.62 ppb
2021-02-101.43 ppb
2021-02-101.26 ppb
2021-02-101.22 ppb
2021-05-102.70 ppb
2021-05-102.21 ppb
2021-05-101.46 ppb
2021-05-102.16 ppb
2021-05-101.33 ppb
2021-05-101.89 ppb
2021-05-101.71 ppb
2021-05-10ND
2021-08-102.79 ppb
2021-08-102.28 ppb
2021-08-101.72 ppb
2021-08-102.08 ppb
2021-08-101.99 ppb
2021-08-102.43 ppb
2021-08-101.84 ppb
2021-08-102.06 ppb
2021-11-102.50 ppb
2021-11-101.65 ppb
2021-11-102.24 ppb
2021-11-101.95 ppb
2021-11-102.11 ppb
2021-11-102.37 ppb
2021-11-102.01 ppb
2021-11-102.04 ppb
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-08-102.40 ppb
2022-08-102.01 ppb
2022-08-102.19 ppb
2022-08-101.94 ppb
2022-08-101.49 ppb
2022-08-101.67 ppb
2022-08-101.56 ppb
2022-08-101.61 ppb
2022-11-091.47 ppb
2022-11-091.23 ppb
2022-11-091.04 ppb
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-05-110.738 ppb
2023-05-110.717 ppb
2023-05-110.748 ppb
2023-05-110.743 ppb
2023-05-110.706 ppb
2023-05-110.820 ppb
2023-05-110.597 ppb
2023-05-110.688 ppb
2023-08-094.23 ppb
2023-08-093.13 ppb
2023-08-099.03 ppb
2023-08-092.64 ppb
2023-08-092.61 ppb
2023-08-093.15 ppb
2023-08-092.38 ppb
2023-08-092.64 ppb
2023-11-081.43 ppb
2023-11-081.49 ppb
2023-11-081.24 ppb
2023-11-081.39 ppb
2023-11-081.81 ppb
2023-11-081.94 ppb
2023-11-081.99 ppb
2023-11-081.86 ppb