Know Your Environment. Protect Your Health.

Bromoform

North Penn 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.

 

199

Samples

0

Samples exceeding legal limit (MCL)

32

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.247 ppb3812ND - 1.34 ppb
20190.161 ppb327ND - 0.982 ppb
20200.147 ppb328ND - 0.674 ppb
20210.113 ppb325ND - 1.01 ppb
20220.0155 ppb331ND - 0.510 ppb
2023ND320ND

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
2018-01-1020180164ND
2018-01-1020180160ND
2018-01-1020180162ND
2018-01-1020180161ND
2018-01-1020180165ND
2018-01-1020180166ND
2018-01-1020180163ND
2018-01-10201801490.500 ppb
2018-03-20201810730.655 ppb
2018-03-20201810741.04 ppb
2018-03-2020181075ND
2018-03-2020181076ND
2018-04-09201813720.541 ppb
2018-04-0920181368ND
2018-04-09201813700.571 ppb
2018-04-0920181369ND
2018-04-0920181373ND
2018-04-0920181374ND
2018-04-09201813710.756 ppb
2018-04-09201813460.692 ppb
2018-07-0920182557ND
2018-07-0920182553ND
2018-07-09201825550.644 ppb
2018-07-0920182554ND
2018-07-09201825580.935 ppb
2018-07-0920182559ND
2018-07-09201825560.819 ppb
2018-07-09201825830.896 ppb
2018-08-068082602-01ND
2018-08-0620182958ND
2018-10-0920183861ND
2018-10-0920183857ND
2018-10-0920183859ND
2018-10-0920183858ND
2018-10-0920183862ND
2018-10-0920183863ND
2018-10-0920183860ND
2018-10-09201838731.34 ppb
2019-01-0720190039ND
2019-01-0720190035ND
2019-01-0720190037ND
2019-01-0720190036ND
2019-01-0720190040ND
2019-01-0720190041ND
2019-01-0720190038ND
2019-01-07201900560.543 ppb
2019-04-0820191333ND
2019-04-0820191337ND
2019-04-0820191334ND
2019-04-0820191335ND
2019-04-0820191331ND
2019-04-0820191330ND
2019-04-0820191332ND
2019-04-0820191336ND
2019-07-0920192613ND
2019-07-0920192617ND
2019-07-0920192614ND
2019-07-0920192615ND
2019-07-09201926110.809 ppb
2019-07-0920192610ND
2019-07-09201926120.813 ppb
2019-07-09201926160.702 ppb
2019-10-0720193926ND
2019-10-0720193930ND
2019-10-0720193927ND
2019-10-0720193928ND
2019-10-07201939240.620 ppb
2019-10-0720193923ND
2019-10-07201939250.677 ppb
2019-10-07201939290.982 ppb
2020-01-07ND
2020-01-07ND
2020-01-07ND
2020-01-07ND
2020-01-07ND
2020-01-07ND
2020-01-070.580 ppb
2020-01-070.510 ppb
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-04-07ND
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-07-070.635 ppb
2020-07-07ND
2020-07-070.528 ppb
2020-07-070.634 ppb
2020-10-07ND
2020-10-07ND
2020-10-07ND
2020-10-07ND
2020-10-070.561 ppb
2020-10-07ND
2020-10-070.674 ppb
2020-10-070.593 ppb
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-01-070.577 ppb
2021-01-07ND
2021-01-070.578 ppb
2021-01-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-070.627 ppb
2021-04-07ND
2021-07-08ND
2021-07-08ND
2021-07-08ND
2021-07-08ND
2021-07-080.839 ppb
2021-07-08ND
2021-07-081.01 ppb
2021-07-08ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2021-10-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-01-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-06ND
2022-04-29ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-07-110.510 ppb
2022-07-11ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2022-10-06ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-07-10ND
2023-10-09ND
2023-10-09ND
2023-10-09ND
2023-10-09ND
2023-10-09ND
2023-10-09ND
2023-10-09ND
2023-10-09ND