Know Your Environment. Protect Your Health.

Dibromochloromethane

United Water Pennsylvania

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

253

Samples

0

Samples exceeding legal limit (MCL)

169

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.687 ppb4018ND - 2.40 ppb
20191.55 ppb4036ND - 7.95 ppb
20201.56 ppb4425ND - 8.00 ppb
20211.60 ppb4128ND - 6.20 ppb
20222.49 ppb4729ND - 8.80 ppb
20231.70 ppb4133ND - 6.00 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was 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 and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-1122880470012.30 ppb
2018-02-1222946280011.60 ppb
2018-02-122294628002ND
2018-02-1222946280031.60 ppb
2018-02-1222946280040.730 ppb
2018-02-1222946280050.850 ppb
2018-02-122294628006ND
2018-02-1222946280071.60 ppb
2018-02-1222946280080.890 ppb
2018-03-052299298001ND
2018-04-092307563001ND
2018-05-0823134570012.00 ppb
2018-05-082313457002ND
2018-05-0823134570032.20 ppb
2018-05-082313457004ND
2018-05-082313457005ND
2018-05-082313457006ND
2018-05-0823134570072.00 ppb
2018-05-082313457008ND
2018-06-072319163001ND
2018-07-0523243340012.40 ppb
2018-08-1323320600011.20 ppb
2018-08-1323320600021.000 ppb
2018-08-1323320600031.90 ppb
2018-08-1323320600041.10 ppb
2018-08-132332060005ND
2018-08-132332060006ND
2018-08-1323320600071.20 ppb
2018-08-132332060008ND
2018-09-1323379160011.80 ppb
2018-10-0123414000011.10 ppb
2018-11-123000055001ND
2018-11-123000055002ND
2018-11-123000055003ND
2018-11-123000055004ND
2018-11-123000055005ND
2018-11-123000055006ND
2018-11-123000055007ND
2018-11-123000055008ND
2018-12-063004070001ND
2019-01-09H9A0602-01ND
2019-02-11H9B0641-010.860 ppb
2019-02-11H9B0641-020.580 ppb
2019-02-11H9B0641-030.820 ppb
2019-02-11H9B0641-040.630 ppb
2019-02-11H9B0641-050.720 ppb
2019-02-11H9B0641-060.550 ppb
2019-02-11H9B0641-071.000 ppb
2019-02-11H9B0641-080.580 ppb
2019-03-11H9C0584-011.40 ppb
2019-04-08H9D0658-011.37 ppb
2019-05-08H9E0656-010.670 ppb
2019-05-08H9E0656-020.620 ppb
2019-05-08H9E0656-030.960 ppb
2019-05-08H9E0656-040.860 ppb
2019-05-08H9E0656-050.660 ppb
2019-05-08H9E0656-060.670 ppb
2019-05-08H9E0656-071.19 ppb
2019-05-08H9E0656-080.650 ppb
2019-06-03H9F0594-011.32 ppb
2019-07-01H9G0670-011.31 ppb
2019-08-08H9H0719-012.84 ppb
2019-08-08H9H0719-022.86 ppb
2019-08-08H9H0719-033.60 ppb
2019-08-08H9H0719-043.09 ppb
2019-08-08H9H0719-053.35 ppb
2019-08-08H9H0719-062.94 ppb
2019-08-08H9H0719-072.72 ppb
2019-08-08H9H0719-082.70 ppb
2019-09-03H9I0538-013.99 ppb
2019-10-08H9J0614-017.95 ppb
2019-11-11H9K0576-011.15 ppb
2019-11-11H9K0576-02ND
2019-11-11H9K0576-031.99 ppb
2019-11-11H9K0576-042.68 ppb
2019-11-11H9K0576-05ND
2019-11-11H9K0576-06ND
2019-11-11H9K0576-071.07 ppb
2019-11-11H9K0576-080.580 ppb
2019-12-11H9L0626-011.20 ppb
2020-01-06ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-03-09ND
2020-04-06ND
2020-05-111.40 ppb
2020-05-11ND
2020-05-111.10 ppb
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-06-01ND
2020-06-17ND
2020-07-144.80 ppb
2020-08-101.20 ppb
2020-08-103.00 ppb
2020-08-101.40 ppb
2020-08-104.60 ppb
2020-08-103.40 ppb
2020-08-102.60 ppb
2020-08-101.60 ppb
2020-08-101.80 ppb
2020-09-143.50 ppb
2020-09-215.40 ppb
2020-10-144.80 ppb
2020-11-091.10 ppb
2020-11-092.10 ppb
2020-11-091.20 ppb
2020-11-098.00 ppb
2020-11-093.00 ppb
2020-11-092.10 ppb
2020-11-091.10 ppb
2020-11-091.60 ppb
2020-12-011.60 ppb
2020-12-013.30 ppb
2020-12-162.80 ppb
2021-01-061.30 ppb
2021-02-102.30 ppb
2021-02-101.70 ppb
2021-02-102.40 ppb
2021-02-101.40 ppb
2021-02-102.20 ppb
2021-02-101.40 ppb
2021-02-102.50 ppb
2021-02-101.70 ppb
2021-03-011.90 ppb
2021-04-05ND
2021-05-10ND
2021-05-10ND
2021-05-10ND
2021-05-10ND
2021-05-10ND
2021-05-10ND
2021-05-101.30 ppb
2021-05-10ND
2021-06-101.40 ppb
2021-07-062.50 ppb
2021-08-094.90 ppb
2021-08-092.40 ppb
2021-08-096.20 ppb
2021-08-091.70 ppb
2021-08-092.40 ppb
2021-08-092.60 ppb
2021-08-095.20 ppb
2021-08-093.40 ppb
2021-09-131.40 ppb
2021-10-071.000 ppb
2021-11-091.80 ppb
2021-11-09ND
2021-11-092.20 ppb
2021-11-09ND
2021-11-09ND
2021-11-09ND
2021-11-091.50 ppb
2021-11-091.10 ppb
2021-12-144.00 ppb
2021-12-14ND
2022-01-041.000 ppb
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-092.10 ppb
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-03-08ND
2022-04-06ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-111.10 ppb
2022-05-11ND
2022-05-261.30 ppb
2022-06-072.80 ppb
2022-06-071.60 ppb
2022-07-063.00 ppb
2022-08-104.30 ppb
2022-08-107.70 ppb
2022-08-106.20 ppb
2022-08-107.00 ppb
2022-08-107.70 ppb
2022-08-108.80 ppb
2022-08-106.00 ppb
2022-08-106.90 ppb
2022-09-194.80 ppb
2022-09-195.50 ppb
2022-09-197.90 ppb
2022-10-133.20 ppb
2022-11-092.40 ppb
2022-11-093.10 ppb
2022-11-092.60 ppb
2022-11-093.70 ppb
2022-11-093.50 ppb
2022-11-093.40 ppb
2022-11-092.70 ppb
2022-11-093.00 ppb
2022-12-122.10 ppb
2022-12-12ND
2022-12-121.50 ppb
2022-12-27ND
2023-01-09ND
2023-02-091.80 ppb
2023-02-091.000 ppb
2023-02-091.90 ppb
2023-02-091.000 ppb
2023-02-091.10 ppb
2023-02-091.000 ppb
2023-02-091.80 ppb
2023-02-091.30 ppb
2023-03-141.30 ppb
2023-04-101.20 ppb
2023-05-101.20 ppb
2023-05-10ND
2023-05-101.30 ppb
2023-05-101.10 ppb
2023-05-10ND
2023-05-10ND
2023-05-101.10 ppb
2023-05-101.20 ppb
2023-06-122.50 ppb
2023-07-114.00 ppb
2023-08-094.90 ppb
2023-08-092.10 ppb
2023-08-096.00 ppb
2023-08-09ND
2023-08-092.30 ppb
2023-08-092.20 ppb
2023-08-095.20 ppb
2023-08-092.40 ppb
2023-09-20ND
2023-10-091.70 ppb
2023-11-083.50 ppb
2023-11-08ND
2023-11-083.00 ppb
2023-11-081.30 ppb
2023-11-081.10 ppb
2023-11-08ND
2023-11-082.70 ppb
2023-11-081.90 ppb
2023-12-072.00 ppb
2023-12-111.40 ppb