Know Your Environment. Protect Your Health.

Dibromochloromethane

City of Richland

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.

 

202

Samples

0

Samples exceeding legal limit (MCL)

132

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.74 ppb3324ND - 4.90 ppb
20193.50 ppb4433ND - 14.1 ppb
2020N/A00N/A
20212.90 ppb4328ND - 9.69 ppb
20222.61 ppb4531ND - 9.12 ppb
20231.57 ppb3716ND - 8.16 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
2018-03-132.77 ppb
2018-03-134.19 ppb
2018-03-133.83 ppb
2018-03-134.54 ppb
2018-03-134.90 ppb
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-06-122.11 ppb
2018-06-121.59 ppb
2018-06-121.62 ppb
2018-06-121.64 ppb
2018-06-121.80 ppb
2018-06-12ND
2018-06-12ND
2018-06-12ND
2018-07-05ND
2018-09-111.48 ppb
2018-09-111.64 ppb
2018-09-111.53 ppb
2018-09-110.240 ppb
2018-09-110.310 ppb
2018-09-111.91 ppb
2018-09-111.37 ppb
2018-09-110.330 ppb
2018-12-114.18 ppb
2018-12-114.77 ppb
2018-12-113.90 ppb
2018-12-110.410 ppb
2018-12-11ND
2018-12-114.39 ppb
2018-12-112.10 ppb
2018-12-11ND
2019-03-087.88 ppb
2019-03-122.20 ppb
2019-03-125.06 ppb
2019-03-12ND
2019-03-12ND
2019-03-123.85 ppb
2019-03-123.76 ppb
2019-03-124.74 ppb
2019-03-123.47 ppb
2019-04-1114.1 ppb
2019-05-097.34 ppb
2019-06-067.56 ppb
2019-06-111.75 ppb
2019-06-11ND
2019-06-11ND
2019-06-11ND
2019-06-111.72 ppb
2019-06-111.66 ppb
2019-06-112.40 ppb
2019-06-111.89 ppb
2019-07-117.37 ppb
2019-08-088.70 ppb
2019-09-10ND
2019-09-101.90 ppb
2019-09-10ND
2019-09-10ND
2019-09-101.64 ppb
2019-09-101.90 ppb
2019-09-102.17 ppb
2019-09-101.75 ppb
2019-09-128.36 ppb
2019-09-18ND
2019-10-108.20 ppb
2019-11-077.78 ppb
2019-12-103.54 ppb
2019-12-104.61 ppb
2019-12-10ND
2019-12-10ND
2019-12-104.49 ppb
2019-12-104.91 ppb
2019-12-104.92 ppb
2019-12-104.61 ppb
2019-12-127.30 ppb
2019-12-130.500 ppb
2021-01-2140706297.61 ppb
2021-02-1240768837.76 ppb
2021-03-0940878404.47 ppb
2021-03-0940878383.72 ppb
2021-03-094087850ND
2021-03-0940878524.45 ppb
2021-03-0940878423.92 ppb
2021-03-094087846ND
2021-03-094087848ND
2021-03-0940878444.86 ppb
2021-03-1140874697.47 ppb
2021-05-184118748ND
2021-05-184118749ND
2021-06-0841302971.03 ppb
2021-06-084130295ND
2021-06-0841302991.10 ppb
2021-06-0841303011.13 ppb
2021-06-0841303031.25 ppb
2021-06-0841303051.000 ppb
2021-06-084131643ND
2021-06-084131645ND
2021-07-0841428127.53 ppb
2021-08-1941692309.69 ppb
2021-09-0941789328.69 ppb
2021-09-214183470ND
2021-09-214183472ND
2021-09-2141830351.46 ppb
2021-09-2141834621.37 ppb
2021-09-214183468ND
2021-09-2141834641.45 ppb
2021-09-2141834601.49 ppb
2021-09-2141834661.38 ppb
2021-10-134194903ND
2021-11-1742086368.01 ppb
2021-12-0842166297.20 ppb
2021-12-1442214385.20 ppb
2021-12-1442214365.05 ppb
2021-12-1442214345.19 ppb
2021-12-1442214325.69 ppb
2021-12-144221444ND
2021-12-144221442ND
2021-12-144221446ND
2021-12-1442214405.55 ppb
2022-01-1242336042.86 ppb
2022-02-0942417154.87 ppb
2022-03-084258045ND
2022-03-084258050ND
2022-03-0842580614.78 ppb
2022-03-0842580374.34 ppb
2022-03-0842580593.44 ppb
2022-03-084258053ND
2022-03-0842580554.46 ppb
2022-03-0842580404.43 ppb
2022-03-0942584633.01 ppb
2022-04-1442725826.70 ppb
2022-05-1142797947.67 ppb
2022-06-0742966761.26 ppb
2022-06-0742967941.24 ppb
2022-06-074296788ND
2022-06-074296790ND
2022-06-0742966781.22 ppb
2022-06-074296792ND
2022-06-0742967961.14 ppb
2022-06-0742966741.16 ppb
2022-06-0842967446.79 ppb
2022-07-1343159457.34 ppb
2022-08-104330297ND
2022-09-074346809ND
2022-09-0743468111.27 ppb
2022-09-0743468221.17 ppb
2022-09-0743468131.29 ppb
2022-09-074365720ND
2022-09-074365733ND
2022-09-0743468151.15 ppb
2022-09-0743468191.31 ppb
2022-09-1443656018.10 ppb
2022-10-134361675ND
2022-10-1343616769.12 ppb
2022-11-094381443ND
2022-12-064388455ND
2022-12-0643884573.67 ppb
2022-12-0643884594.03 ppb
2022-12-0643884534.07 ppb
2022-12-0643884513.85 ppb
2022-12-0643884493.69 ppb
2022-12-064388447ND
2022-12-0643884450.860 ppb
2022-12-1443924657.15 ppb
2023-01-1143992297.57 ppb
2023-03-0844269408.16 ppb
2023-03-1444324663.09 ppb
2023-03-1444324623.29 ppb
2023-03-1444324603.10 ppb
2023-03-144432456ND
2023-03-1444324580.650 ppb
2023-03-1444324643.08 ppb
2023-03-144432454ND
2023-03-1444324682.54 ppb
2023-04-1244431447.07 ppb
2023-05-1044528096.56 ppb
2023-06-1344738391.14 ppb
2023-06-134473854ND
2023-06-1344738521.05 ppb
2023-06-1344738421.08 ppb
2023-06-1344738441.05 ppb
2023-06-1344738480.990 ppb
2023-06-134473860ND
2023-06-134473856ND
2023-06-2044828537.74 ppb
2023-09-134522671ND
2023-09-134522663ND
2023-09-134522665ND
2023-09-134522673ND
2023-09-134522669ND
2023-09-134522675ND
2023-09-134522677ND
2023-09-134522667ND
2023-12-124564719ND
2023-12-124564721ND
2023-12-124564717ND
2023-12-124564731ND
2023-12-124564725ND
2023-12-124564723ND
2023-12-124564727ND
2023-12-124564729ND